Merge pull request #1220 from p12tic/types

Enforce types using mypy

examples/hello-python/app/web.py

@@ -3,8 +3,8 @@
 import asyncio  # noqa: F401
 import os
 
-import aioredis
+import aioredis  # type: ignore[import-not-found]
-from aiohttp import web
+from aiohttp import web  # type: ignore[import-not-found]
 
 REDIS_HOST = os.environ.get("REDIS_HOST", "localhost")
 REDIS_PORT = int(os.environ.get("REDIS_PORT", "6379"))
@@ -16,13 +16,13 @@ routes = web.RouteTableDef()
 
 
 @routes.get("/")
-async def hello(request):  # pylint: disable=unused-argument
+async def hello(request: web.Request) -> web.Response:  # pylint: disable=unused-argument
     counter = await redis.incr("mycounter")
     return web.Response(text=f"counter={counter}")
 
 
 @routes.get("/hello.json")
-async def hello_json(request):  # pylint: disable=unused-argument
+async def hello_json(request: web.Request) -> web.Response:  # pylint: disable=unused-argument
     counter = await redis.incr("mycounter")
     data = {"counter": counter}
     return web.json_response(data)
@@ -31,7 +31,7 @@ async def hello_json(request):  # pylint: disable=unused-argument
 app.add_routes(routes)
 
 
-def main():
+def main() -> None:
     web.run_app(app, port=8080)
 
 

pyproject.toml

@@ -53,3 +53,21 @@ quote-style = "preserve"
         directory = "misc"
         name = "Misc"
         showcontent = true
+
+[tool.mypy]
+python_version = "3.9"
+namespace_packages = true
+explicit_package_bases = true
+pretty = true
+warn_redundant_casts = true
+disallow_untyped_calls = false
+disallow_untyped_defs = true
+no_implicit_optional = true
+mypy_path = "$MYPY_CONFIG_FILE_DIR"
+exclude = "build"
+
+[[tool.mypy.overrides]]
+module = [
+    "parameterized.*",
+]
+ignore_missing_imports = true

test-requirements.txt

@@ -4,8 +4,12 @@ cryptography==44.0.3
 parameterized==0.9.0
 pytest==8.0.2
 tox==4.13.0
-ruff==0.3.1
+mypy==1.15.0
+ruff==0.11.11
 pylint==3.1.0
+types-PyYAML==6.0.12.20250402
+types-requests==2.32.0.20250328
+types-setuptools==80.7.0.20250516
 
 # The packages below are transitive dependencies of the packages above and are included here
 # to make testing reproducible.
@@ -24,6 +28,7 @@ filelock==3.13.1
 iniconfig==2.0.0
 isort==5.13.2
 mccabe==0.7.0
+mypy_extensions==1.1.0
 packaging==23.2
 platformdirs==4.2.0
 pluggy==1.4.0
@@ -32,4 +37,5 @@ python-dotenv==1.0.1
 PyYAML==6.0.1
 requests
 tomlkit==0.12.4
+typing_extensions==4.13.2
 virtualenv==20.26.6

tests/integration/__init__.py

@@ -2,7 +2,7 @@ import os
 import subprocess
 
 
-def create_base_test_image():
+def create_base_test_image() -> None:
     subprocess.check_call(
         ['podman', 'build', '-t', 'nopush/podman-compose-test', '.'],
         cwd=os.path.join(os.path.dirname(__file__), "base_image"),

tests/integration/abort/test_podman_compose_abort.py

@@ -10,7 +10,7 @@ from tests.integration.test_utils import podman_compose_path
 from tests.integration.test_utils import test_path
 
 
-def compose_yaml_path(failure_order):
+def compose_yaml_path(failure_order: str) -> str:
     return os.path.join(test_path(), "abort", f"docker-compose-fail-{failure_order}.yaml")
 
 
@@ -25,7 +25,7 @@ class TestComposeAbort(unittest.TestCase, RunSubprocessMixin):
         ("exit", "none", 0),
         ("failure", "none", 0),
     ])
-    def test_abort(self, abort_type, failure_order, expected_exit_code):
+    def test_abort(self, abort_type: str, failure_order: str, expected_exit_code: int) -> None:
         try:
             self.run_subprocess_assert_returncode(
                 [

tests/integration/additional_contexts/test_podman_compose_additional_contexts.py

@@ -11,13 +11,13 @@ from tests.integration.test_utils import podman_compose_path
 from tests.integration.test_utils import test_path
 
 
-def compose_yaml_path():
+def compose_yaml_path() -> str:
     """ "Returns the path to the compose file used for this test module"""
     return os.path.join(test_path(), "additional_contexts", "project")
 
 
 class TestComposeBuildAdditionalContexts(unittest.TestCase):
-    def test_build_additional_context(self):
+    def test_build_additional_context(self) -> None:
         """podman build should receive additional contexts as --build-context
 
         See additional_context/project/docker-compose.yaml for context paths

tests/integration/default_net_behavior/test_podman_compose_default_net_behavior.py

@@ -10,7 +10,7 @@ from tests.integration.test_utils import podman_compose_path
 from tests.integration.test_utils import test_path
 
 
-def compose_yaml_path(scenario):
+def compose_yaml_path(scenario: str) -> str:
     return os.path.join(
         os.path.join(test_path(), "default_net_behavior"), f"docker-compose_{scenario}.yaml"
     )
@@ -27,13 +27,13 @@ class TestComposeDefaultNetBehavior(unittest.TestCase, RunSubprocessMixin):
         ('two_nets_compat', 'default_net_behavior_default'),
         ('with_default_compat', 'default_net_behavior_default'),
     ])
-    def test_nethost(self, scenario, default_net):
+    def test_nethost(self, scenario: str, default_net: str) -> None:
         try:
             self.run_subprocess_assert_returncode(
                 [podman_compose_path(), "-f", compose_yaml_path(scenario), "up", "-d"],
             )
 
-            container_id, _ = self.run_subprocess_assert_returncode(
+            container_id_out, _ = self.run_subprocess_assert_returncode(
                 [
                     podman_compose_path(),
                     "-f",
@@ -43,7 +43,7 @@ class TestComposeDefaultNetBehavior(unittest.TestCase, RunSubprocessMixin):
                     '{{.ID}}',
                 ],
             )
-            container_id = container_id.decode('utf-8').split('\n')[0]
+            container_id = container_id_out.decode('utf-8').split('\n')[0]
             output, _ = self.run_subprocess_assert_returncode(
                 [
                     "podman",

tests/integration/deps/test_podman_compose_deps.py

@@ -9,12 +9,12 @@ from tests.integration.test_utils import podman_compose_path
 from tests.integration.test_utils import test_path
 
 
-def compose_yaml_path(suffix=""):
+def compose_yaml_path(suffix: str = "") -> str:
     return os.path.join(os.path.join(test_path(), "deps"), f"docker-compose{suffix}.yaml")
 
 
 class TestComposeBaseDeps(unittest.TestCase, RunSubprocessMixin):
-    def test_deps(self):
+    def test_deps(self) -> None:
         try:
             output, _ = self.run_subprocess_assert_returncode([
                 podman_compose_path(),
@@ -37,7 +37,7 @@ class TestComposeBaseDeps(unittest.TestCase, RunSubprocessMixin):
                 "down",
             ])
 
-    def test_run_nodeps(self):
+    def test_run_nodeps(self) -> None:
         try:
             output, _ = self.run_subprocess_assert_returncode([
                 podman_compose_path(),
@@ -62,7 +62,7 @@ class TestComposeBaseDeps(unittest.TestCase, RunSubprocessMixin):
                 "down",
             ])
 
-    def test_up_nodeps(self):
+    def test_up_nodeps(self) -> None:
         try:
             self.run_subprocess_assert_returncode([
                 podman_compose_path(),
@@ -89,7 +89,7 @@ class TestComposeBaseDeps(unittest.TestCase, RunSubprocessMixin):
                 "down",
             ])
 
-    def test_podman_compose_run(self):
+    def test_podman_compose_run(self) -> None:
         """
         This will test depends_on as well
         """
@@ -143,7 +143,7 @@ class TestComposeBaseDeps(unittest.TestCase, RunSubprocessMixin):
 
 
 class TestComposeConditionalDeps(unittest.TestCase, RunSubprocessMixin):
-    def test_deps_succeeds(self):
+    def test_deps_succeeds(self) -> None:
         suffix = "-conditional-succeeds"
         try:
             output, _ = self.run_subprocess_assert_returncode([
@@ -167,7 +167,7 @@ class TestComposeConditionalDeps(unittest.TestCase, RunSubprocessMixin):
                 "down",
             ])
 
-    def test_deps_fails(self):
+    def test_deps_fails(self) -> None:
         suffix = "-conditional-fails"
         try:
             output, _ = self.run_subprocess_assert_returncode([
@@ -188,10 +188,10 @@ class TestComposeConditionalDeps(unittest.TestCase, RunSubprocessMixin):
 
 
 class TestComposeConditionalDepsHealthy(unittest.TestCase, PodmanAwareRunSubprocessMixin):
-    def setUp(self):
+    def setUp(self) -> None:
         self.podman_version = self.retrieve_podman_version()
 
-    def test_up_deps_healthy(self):
+    def test_up_deps_healthy(self) -> None:
         suffix = "-conditional-healthy"
         try:
             self.run_subprocess_assert_returncode([
@@ -261,6 +261,6 @@ class TestComposeConditionalDepsHealthy(unittest.TestCase, PodmanAwareRunSubproc
             self.run_subprocess_assert_returncode([
                 podman_compose_path(),
                 "-f",
-                compose_yaml_path(),
+                compose_yaml_path(suffix),
                 "down",
             ])

tests/integration/env_file_tests/test_podman_compose_env_file.py

@@ -8,12 +8,12 @@ from tests.integration.test_utils import podman_compose_path
 from tests.integration.test_utils import test_path
 
 
-def compose_base_path():
+def compose_base_path() -> str:
     return os.path.join(test_path(), "env_file_tests")
 
 
 class TestComposeEnvFile(unittest.TestCase, RunSubprocessMixin):
-    def test_path_env_file_inline(self):
+    def test_path_env_file_inline(self) -> None:
         # Test taking env variable value directly from env-file when its path is inline path
         base_path = compose_base_path()
         path_compose_file = os.path.join(base_path, "project/container-compose.yaml")
@@ -42,7 +42,7 @@ class TestComposeEnvFile(unittest.TestCase, RunSubprocessMixin):
                 "down",
             ])
 
-    def test_path_env_file_flat_in_compose_file(self):
+    def test_path_env_file_flat_in_compose_file(self) -> None:
         # Test taking env variable value from env-file/project-1.env which was declared in
         # compose file's env_file
         base_path = compose_base_path()
@@ -74,7 +74,7 @@ class TestComposeEnvFile(unittest.TestCase, RunSubprocessMixin):
                 "down",
             ])
 
-    def test_path_env_file_obj_in_compose_file(self):
+    def test_path_env_file_obj_in_compose_file(self) -> None:
         # take variable value from env-file project-1.env which was declared in compose
         # file's env_file by -path: ...
         base_path = compose_base_path()
@@ -106,7 +106,7 @@ class TestComposeEnvFile(unittest.TestCase, RunSubprocessMixin):
                 "down",
             ])
 
-    def test_exists_optional_env_file_path_in_compose_file(self):
+    def test_exists_optional_env_file_path_in_compose_file(self) -> None:
         # test taking env variable values from several env-files when one of them is optional
         # and exists
         base_path = compose_base_path()
@@ -139,7 +139,7 @@ class TestComposeEnvFile(unittest.TestCase, RunSubprocessMixin):
                 "down",
             ])
 
-    def test_missing_optional_env_file_path_in_compose_file(self):
+    def test_missing_optional_env_file_path_in_compose_file(self) -> None:
         # test taking env variable values from several env-files when one of them is optional and
         # is missing (silently skip it)
         base_path = compose_base_path()
@@ -173,7 +173,7 @@ class TestComposeEnvFile(unittest.TestCase, RunSubprocessMixin):
                 "down",
             ])
 
-    def test_var_value_inline_overrides_env_file_path_inline(self):
+    def test_var_value_inline_overrides_env_file_path_inline(self) -> None:
         # Test overriding env value when value is declared in inline command
         base_path = compose_base_path()
         path_compose_file = os.path.join(base_path, "project/container-compose.yaml")
@@ -204,7 +204,7 @@ class TestComposeEnvFile(unittest.TestCase, RunSubprocessMixin):
                 "down",
             ])
 
-    def test_taking_env_variables_from_env_files_from_different_directories(self):
+    def test_taking_env_variables_from_env_files_from_different_directories(self) -> None:
         # FIXME: It is not clear what this test actually tests, but from README.md it looks like:
         # Test overriding env values by directory env-files-tests/.env file values
         # and only take value from project/.env, when it does not exist in env-files-tests/.env

tests/integration/env_tests/test_podman_compose_env.py

@@ -8,14 +8,14 @@ from tests.integration.test_utils import podman_compose_path
 from tests.integration.test_utils import test_path
 
 
-def compose_yaml_path():
+def compose_yaml_path() -> str:
     return os.path.join(os.path.join(test_path(), "env_tests"), "container-compose.yml")
 
 
 class TestComposeEnv(unittest.TestCase, RunSubprocessMixin):
     """Test that inline environment variable overrides environment variable from compose file."""
 
-    def test_env(self):
+    def test_env(self) -> None:
         try:
             output, _ = self.run_subprocess_assert_returncode([
                 podman_compose_path(),
@@ -50,7 +50,7 @@ class TestComposeEnv(unittest.TestCase, RunSubprocessMixin):
     - https://github.com/compose-spec/compose-spec/blob/main/04-version-and-name.md
     """
 
-    def test_project_name(self):
+    def test_project_name(self) -> None:
         try:
             output, _ = self.run_subprocess_assert_returncode([
                 podman_compose_path(),
@@ -68,7 +68,7 @@ class TestComposeEnv(unittest.TestCase, RunSubprocessMixin):
                 "down",
             ])
 
-    def test_project_name_override(self):
+    def test_project_name_override(self) -> None:
         try:
             output, _ = self.run_subprocess_assert_returncode([
                 podman_compose_path(),

tests/integration/exit_from/test_podman_compose_exit_from.py

@@ -8,12 +8,12 @@ from tests.integration.test_utils import podman_compose_path
 from tests.integration.test_utils import test_path
 
 
-def compose_yaml_path():
+def compose_yaml_path() -> str:
     return os.path.join(os.path.join(test_path(), "exit_from"), "docker-compose.yaml")
 
 
 class TestComposeExitFrom(unittest.TestCase, RunSubprocessMixin):
-    def test_exit_code_sh1(self):
+    def test_exit_code_sh1(self) -> None:
         try:
             self.run_subprocess_assert_returncode(
                 [
@@ -33,7 +33,7 @@ class TestComposeExitFrom(unittest.TestCase, RunSubprocessMixin):
                 "down",
             ])
 
-    def test_exit_code_sh2(self):
+    def test_exit_code_sh2(self) -> None:
         try:
             self.run_subprocess_assert_returncode(
                 [
@@ -53,7 +53,7 @@ class TestComposeExitFrom(unittest.TestCase, RunSubprocessMixin):
                 "down",
             ])
 
-    def test_podman_compose_exit_from(self):
+    def test_podman_compose_exit_from(self) -> None:
         up_cmd = [
             "coverage",
             "run",

tests/integration/extends/test_podman_compose_extends.py

@@ -8,12 +8,12 @@ from tests.integration.test_utils import podman_compose_path
 from tests.integration.test_utils import test_path
 
 
-def compose_yaml_path():
+def compose_yaml_path() -> str:
     return os.path.join(os.path.join(test_path(), "extends"), "docker-compose.yaml")
 
 
 class TestComposeExteds(unittest.TestCase, RunSubprocessMixin):
-    def test_extends_service_launch_echo(self):
+    def test_extends_service_launch_echo(self) -> None:
         try:
             self.run_subprocess_assert_returncode([
                 podman_compose_path(),
@@ -38,7 +38,7 @@ class TestComposeExteds(unittest.TestCase, RunSubprocessMixin):
                 "down",
             ])
 
-    def test_extends_service_launch_echo1(self):
+    def test_extends_service_launch_echo1(self) -> None:
         try:
             self.run_subprocess_assert_returncode([
                 podman_compose_path(),
@@ -63,7 +63,7 @@ class TestComposeExteds(unittest.TestCase, RunSubprocessMixin):
                 "down",
             ])
 
-    def test_extends_service_launch_env1(self):
+    def test_extends_service_launch_env1(self) -> None:
         try:
             self.run_subprocess_assert_returncode([
                 podman_compose_path(),

tests/integration/extends_w_empty_service/test_podman_compose_extends_w_empty_service.py

@@ -9,12 +9,12 @@ from tests.integration.test_utils import podman_compose_path
 from tests.integration.test_utils import test_path
 
 
-def compose_yaml_path():
+def compose_yaml_path() -> str:
     return os.path.join(os.path.join(test_path(), "extends_w_empty_service"), "docker-compose.yml")
 
 
 class TestComposeExtendsWithEmptyService(unittest.TestCase, RunSubprocessMixin):
-    def test_extends_w_empty_service(self):
+    def test_extends_w_empty_service(self) -> None:
         try:
             self.run_subprocess_assert_returncode(
                 [
@@ -39,7 +39,7 @@ class TestComposeExtendsWithEmptyService(unittest.TestCase, RunSubprocessMixin):
                 "down",
             ])
 
-    def test_podman_compose_extends_w_empty_service(self):
+    def test_podman_compose_extends_w_empty_service(self) -> None:
         """
         Test that podman-compose can execute podman-compose -f <file> up with extended File which
         includes an empty service. (e.g. if the file is used as placeholder for more complex

tests/integration/extends_w_file/test_podman_compose_extends_w_file.py

@@ -8,12 +8,12 @@ from tests.integration.test_utils import podman_compose_path
 from tests.integration.test_utils import test_path
 
 
-def compose_yaml_path():
+def compose_yaml_path() -> str:
     return os.path.join(os.path.join(test_path(), "extends_w_file"), "docker-compose.yml")
 
 
 class TestComposeExtendsWithFile(unittest.TestCase, RunSubprocessMixin):
-    def test_extends_w_file(self):  # when file is Dockerfile for building the image
+    def test_extends_w_file(self) -> None:  # when file is Dockerfile for building the image
         try:
             self.run_subprocess_assert_returncode(
                 [

tests/integration/extends_w_file_subdir/test_podman_compose_extends_w_file_subdir.py

@@ -9,12 +9,12 @@ from tests.integration.test_utils import podman_compose_path
 from tests.integration.test_utils import test_path
 
 
-def compose_yaml_path():
+def compose_yaml_path() -> str:
     return os.path.join(os.path.join(test_path(), "extends_w_file_subdir"), "docker-compose.yml")
 
 
 class TestComposeExtendsWithFileSubdir(unittest.TestCase, RunSubprocessMixin):
-    def test_extends_w_file_subdir(self):  # when file is Dockerfile for building the image
+    def test_extends_w_file_subdir(self) -> None:  # when file is Dockerfile for building the image
         try:
             self.run_subprocess_assert_returncode(
                 [
@@ -39,7 +39,7 @@ class TestComposeExtendsWithFileSubdir(unittest.TestCase, RunSubprocessMixin):
                 "down",
             ])
 
-    def test_podman_compose_extends_w_file_subdir(self):
+    def test_podman_compose_extends_w_file_subdir(self) -> None:
         """
         Test that podman-compose can execute podman-compose -f <file> up with extended File which
         includes a build context

tests/integration/filesystem/test_podman_compose_filesystem.py

@@ -10,7 +10,7 @@ from tests.integration.test_utils import test_path
 
 
 class TestFilesystem(unittest.TestCase, RunSubprocessMixin):
-    def test_compose_symlink(self):
+    def test_compose_symlink(self) -> None:
         """The context of podman-compose.yml should come from the same directory as the file even
         if it is a symlink
         """

tests/integration/in_pod/test_podman_compose_in_pod.py

@@ -6,26 +6,26 @@ import unittest
 from tests.integration.test_utils import RunSubprocessMixin
 
 
-def base_path():
+def base_path() -> str:
     """Returns the base path for the project"""
     return os.path.dirname(os.path.dirname(os.path.dirname(os.path.dirname(__file__))))
 
 
-def test_path():
+def test_path() -> str:
     """Returns the path to the tests directory"""
     return os.path.join(base_path(), "tests/integration")
 
 
-def podman_compose_path():
+def podman_compose_path() -> str:
     """Returns the path to the podman compose script"""
     return os.path.join(base_path(), "podman_compose.py")
 
 
-def is_root():
+def is_root() -> bool:
     return os.geteuid() == 0
 
 
-def failure_exitcode_when_rootful():
+def failure_exitcode_when_rootful() -> int:
     if is_root():
         return 125
     return 0
@@ -37,7 +37,7 @@ def failure_exitcode_when_rootful():
 # Test all combinations of command line argument in_pod and compose file argument in_pod.
 class TestPodmanComposeInPod(unittest.TestCase, RunSubprocessMixin):
     # compose file provides x-podman in_pod=false
-    def test_x_podman_in_pod_false_command_line_in_pod_not_exists(self):
+    def test_x_podman_in_pod_false_command_line_in_pod_not_exists(self) -> None:
         """
         Test that podman-compose will not create a pod, when x-podman in_pod=false and command line
         does not provide this option
@@ -82,7 +82,7 @@ class TestPodmanComposeInPod(unittest.TestCase, RunSubprocessMixin):
             # throws an error, can not actually find this pod because it was not created
             self.run_subprocess_assert_returncode(command_rm_pod, expected_returncode=1)
 
-    def test_x_podman_in_pod_false_command_line_in_pod_true(self):
+    def test_x_podman_in_pod_false_command_line_in_pod_true(self) -> None:
         """
         Test that podman-compose does not allow pod creating even with command line in_pod=True
         when --userns and --pod are set together: throws an error
@@ -115,7 +115,7 @@ class TestPodmanComposeInPod(unittest.TestCase, RunSubprocessMixin):
             # been created) and have expected_returncode=1 (see FIXME above)
             self.run_subprocess_assert_returncode(command_rm_pod)
 
-    def test_x_podman_in_pod_false_command_line_in_pod_false(self):
+    def test_x_podman_in_pod_false_command_line_in_pod_false(self) -> None:
         """
         Test that podman-compose will not create a pod as command line sets in_pod=False
         """
@@ -160,7 +160,7 @@ class TestPodmanComposeInPod(unittest.TestCase, RunSubprocessMixin):
             # can not actually find this pod because it was not created
             self.run_subprocess_assert_returncode(command_rm_pod, 1)
 
-    def test_x_podman_in_pod_false_command_line_in_pod_empty_string(self):
+    def test_x_podman_in_pod_false_command_line_in_pod_empty_string(self) -> None:
         """
         Test that podman-compose will not create a pod, when x-podman in_pod=false and command line
         command line in_pod=""
@@ -207,7 +207,7 @@ class TestPodmanComposeInPod(unittest.TestCase, RunSubprocessMixin):
             self.run_subprocess_assert_returncode(command_rm_pod, 1)
 
     # compose file provides x-podman in_pod=true
-    def test_x_podman_in_pod_true_command_line_in_pod_not_exists(self):
+    def test_x_podman_in_pod_true_command_line_in_pod_not_exists(self) -> None:
         """
         Test that podman-compose does not allow pod creating when --userns and --pod are set
         together even when x-podman in_pod=true: throws an error
@@ -240,7 +240,7 @@ class TestPodmanComposeInPod(unittest.TestCase, RunSubprocessMixin):
             # created) and have expected_returncode=1 (see FIXME above)
             self.run_subprocess_assert_returncode(command_rm_pod)
 
-    def test_x_podman_in_pod_true_command_line_in_pod_true(self):
+    def test_x_podman_in_pod_true_command_line_in_pod_true(self) -> None:
         """
         Test that podman-compose does not allow pod creating when --userns and --pod are set
         together even when x-podman in_pod=true and and command line in_pod=True: throws an error
@@ -274,7 +274,7 @@ class TestPodmanComposeInPod(unittest.TestCase, RunSubprocessMixin):
             # been created) and have expected_returncode=1 (see FIXME above)
             self.run_subprocess_assert_returncode(command_rm_pod)
 
-    def test_x_podman_in_pod_true_command_line_in_pod_false(self):
+    def test_x_podman_in_pod_true_command_line_in_pod_false(self) -> None:
         """
         Test that podman-compose will not create a pod as command line sets in_pod=False
         """
@@ -319,7 +319,7 @@ class TestPodmanComposeInPod(unittest.TestCase, RunSubprocessMixin):
             # can not actually find this pod because it was not created
             self.run_subprocess_assert_returncode(command_rm_pod, 1)
 
-    def test_x_podman_in_pod_true_command_line_in_pod_empty_string(self):
+    def test_x_podman_in_pod_true_command_line_in_pod_empty_string(self) -> None:
         """
         Test that podman-compose does not allow pod creating when --userns and --pod are set
         together even when x-podman in_pod=true and command line in_pod="": throws an error
@@ -354,7 +354,7 @@ class TestPodmanComposeInPod(unittest.TestCase, RunSubprocessMixin):
             self.run_subprocess_assert_returncode(command_rm_pod)
 
     # compose file does not provide x-podman in_pod
-    def test_x_podman_in_pod_not_exists_command_line_in_pod_not_exists(self):
+    def test_x_podman_in_pod_not_exists_command_line_in_pod_not_exists(self) -> None:
         """
         Test that podman-compose does not allow pod creating when --userns and --pod are set
         together: throws an error
@@ -387,7 +387,7 @@ class TestPodmanComposeInPod(unittest.TestCase, RunSubprocessMixin):
             # created) and have expected_returncode=1 (see FIXME above)
             self.run_subprocess_assert_returncode(command_rm_pod)
 
-    def test_x_podman_in_pod_not_exists_command_line_in_pod_true(self):
+    def test_x_podman_in_pod_not_exists_command_line_in_pod_true(self) -> None:
         """
         Test that podman-compose does not allow pod creating when --userns and --pod are set
         together even when x-podman in_pod=true: throws an error
@@ -421,7 +421,7 @@ class TestPodmanComposeInPod(unittest.TestCase, RunSubprocessMixin):
             # been created) and have expected_returncode=1 (see FIXME above)
             self.run_subprocess_assert_returncode(command_rm_pod)
 
-    def test_x_podman_in_pod_not_exists_command_line_in_pod_false(self):
+    def test_x_podman_in_pod_not_exists_command_line_in_pod_false(self) -> None:
         """
         Test that podman-compose will not create a pod as command line sets in_pod=False
         """
@@ -467,7 +467,7 @@ class TestPodmanComposeInPod(unittest.TestCase, RunSubprocessMixin):
             # can not actually find this pod because it was not created
             self.run_subprocess_assert_returncode(command_rm_pod, 1)
 
-    def test_x_podman_in_pod_custom_name(self):
+    def test_x_podman_in_pod_custom_name(self) -> None:
         """
         Test that podman-compose will create a pod with a custom name
         """
@@ -494,7 +494,7 @@ class TestPodmanComposeInPod(unittest.TestCase, RunSubprocessMixin):
             command_rm_pod = ["podman", "pod", "rm", "custom_test_pod_name"]
             self.run_subprocess_assert_returncode(command_rm_pod)
 
-    def test_x_podman_in_pod_not_exists_command_line_in_pod_empty_string(self):
+    def test_x_podman_in_pod_not_exists_command_line_in_pod_empty_string(self) -> None:
         """
         Test that podman-compose does not allow pod creating when --userns and --pod are set
         together: throws an error

tests/integration/include/test_podman_compose_include.py

@@ -7,7 +7,7 @@ from tests.integration.test_utils import RunSubprocessMixin
 
 
 class TestPodmanComposeInclude(unittest.TestCase, RunSubprocessMixin):
-    def test_podman_compose_include(self):
+    def test_podman_compose_include(self) -> None:
         """
         Test that podman-compose can execute podman-compose -f <file> up with include
         :return:

tests/integration/interpolation/test_podman_compose_interpolation.py

@@ -8,12 +8,12 @@ from tests.integration.test_utils import podman_compose_path
 from tests.integration.test_utils import test_path
 
 
-def compose_yaml_path():
+def compose_yaml_path() -> str:
     return os.path.join(os.path.join(test_path(), "interpolation"), "docker-compose.yml")
 
 
 class TestComposeInterpolation(unittest.TestCase, RunSubprocessMixin):
-    def test_interpolation(self):
+    def test_interpolation(self) -> None:
         try:
             self.run_subprocess_assert_returncode([
                 "env",

tests/integration/ipam_default/test_podman_compose_ipam_default.py

@@ -9,12 +9,12 @@ from tests.integration.test_utils import podman_compose_path
 from tests.integration.test_utils import test_path
 
 
-def compose_yaml_path():
+def compose_yaml_path() -> str:
     return os.path.join(os.path.join(test_path(), "ipam_default"), "docker-compose.yaml")
 
 
 class TestComposeIpamDefault(unittest.TestCase, RunSubprocessMixin):
-    def test_ipam_default(self):
+    def test_ipam_default(self) -> None:
         try:
             self.run_subprocess_assert_returncode(
                 [podman_compose_path(), "-f", compose_yaml_path(), "up", "-d"],

tests/integration/lifetime/test_lifetime.py

@@ -12,7 +12,7 @@ from tests.integration.test_utils import test_path
 
 
 class TestLifetime(unittest.TestCase, RunSubprocessMixin):
-    def test_up_single_container(self):
+    def test_up_single_container(self) -> None:
         """Podman compose up should be able to start containers one after another"""
 
         compose_path = os.path.join(test_path(), "lifetime/up_single_container/docker-compose.yml")
@@ -68,7 +68,7 @@ class TestLifetime(unittest.TestCase, RunSubprocessMixin):
         ("no_ports", "up_single_container_many_times"),
         ("with_ports", "up_single_container_many_times_with_ports"),
     ])
-    def test_up_single_container_many_times(self, name, subdir):
+    def test_up_single_container_many_times(self, name: str, subdir: str) -> None:
         """Podman compose up should be able to start a container many times after it finishes
         running.
         """

tests/integration/merge/reset_and_override_tags/override_tag_attribute/test_podman_compose_override_tag_attribute.py

@@ -9,7 +9,7 @@ from tests.integration.test_utils import podman_compose_path
 from tests.integration.test_utils import test_path
 
 
-def compose_yaml_path():
+def compose_yaml_path() -> str:
     return os.path.join(
         test_path(),
         "merge/reset_and_override_tags/override_tag_attribute/docker-compose.yaml",
@@ -18,7 +18,7 @@ def compose_yaml_path():
 
 class TestComposeOverrideTagAttribute(unittest.TestCase, RunSubprocessMixin):
     # test if a service attribute from docker-compose.yaml file is overridden
-    def test_override_tag_attribute(self):
+    def test_override_tag_attribute(self) -> None:
         override_file = os.path.join(
             test_path(),
             "merge/reset_and_override_tags/override_tag_attribute/docker-compose.override_attribute.yaml",

tests/integration/merge/reset_and_override_tags/override_tag_service/test_podman_compose_override_tag_service.py

@@ -9,7 +9,7 @@ from tests.integration.test_utils import podman_compose_path
 from tests.integration.test_utils import test_path
 
 
-def compose_yaml_path():
+def compose_yaml_path() -> str:
     return os.path.join(
         test_path(),
         "merge/reset_and_override_tags/override_tag_service/docker-compose.yaml",
@@ -18,7 +18,7 @@ def compose_yaml_path():
 
 class TestComposeOverrideTagService(unittest.TestCase, RunSubprocessMixin):
     # test if whole service from docker-compose.yaml file is overridden in another file
-    def test_override_tag_service(self):
+    def test_override_tag_service(self) -> None:
         override_file = os.path.join(
             test_path(),
             "merge/reset_and_override_tags/override_tag_service/docker-compose.override_service.yaml",

tests/integration/merge/reset_and_override_tags/reset_tag_attribute/test_podman_compose_reset_tag_attribute.py

@@ -8,7 +8,7 @@ from tests.integration.test_utils import podman_compose_path
 from tests.integration.test_utils import test_path
 
 
-def compose_yaml_path():
+def compose_yaml_path() -> str:
     return os.path.join(
         test_path(),
         "merge/reset_and_override_tags/reset_tag_attribute/docker-compose.yaml",
@@ -17,7 +17,7 @@ def compose_yaml_path():
 
 class TestComposeResetTagAttribute(unittest.TestCase, RunSubprocessMixin):
     # test if the attribute of the service is correctly reset
-    def test_reset_tag_attribute(self):
+    def test_reset_tag_attribute(self) -> None:
         reset_file = os.path.join(
             test_path(),
             "merge/reset_and_override_tags/reset_tag_attribute/docker-compose.reset_attribute.yaml",

tests/integration/merge/reset_and_override_tags/reset_tag_service/test_podman_compose_reset_tag_service.py

@@ -8,7 +8,7 @@ from tests.integration.test_utils import podman_compose_path
 from tests.integration.test_utils import test_path
 
 
-def compose_yaml_path():
+def compose_yaml_path() -> str:
     return os.path.join(
         test_path(), "merge/reset_and_override_tags/reset_tag_service/docker-compose.yaml"
     )
@@ -16,7 +16,7 @@ def compose_yaml_path():
 
 class TestComposeResetTagService(unittest.TestCase, RunSubprocessMixin):
     # test if whole service from docker-compose.yaml file is reset
-    def test_reset_tag_service(self):
+    def test_reset_tag_service(self) -> None:
         reset_file = os.path.join(
             test_path(),
             "merge/reset_and_override_tags/reset_tag_service/docker-compose.reset_service.yaml",

tests/integration/merge/volumes_merge/test_podman_compose_volumes_merge.py

@@ -9,14 +9,14 @@ from tests.integration.test_utils import podman_compose_path
 from tests.integration.test_utils import test_path
 
 
-def compose_yaml_path(compose_name):
+def compose_yaml_path(compose_name: str) -> str:
     """ "Returns the path to the compose file used for this test module"""
     base_path = os.path.join(test_path(), "merge/volumes_merge/")
     return os.path.join(base_path, compose_name)
 
 
 class TestComposeVolumesMerge(unittest.TestCase, RunSubprocessMixin):
-    def test_volumes_merge(self):
+    def test_volumes_merge(self) -> None:
         # test if additional compose file overrides host path and access mode of a volume
         try:
             self.run_subprocess_assert_returncode([

tests/integration/multicompose/test_podman_compose_multicompose.py

@@ -8,12 +8,12 @@ from tests.integration.test_utils import podman_compose_path
 from tests.integration.test_utils import test_path
 
 
-def compose_yaml_path():
+def compose_yaml_path() -> str:
     return os.path.join(os.path.join(test_path(), "multicompose"), "docker-compose.yml")
 
 
 class TestComposeMulticompose(unittest.TestCase, RunSubprocessMixin):
-    def test_multicompose(self):
+    def test_multicompose(self) -> None:
         try:
             self.run_subprocess_assert_returncode(
                 [

tests/integration/nethost/test_podman_compose_nethost.py

@@ -10,20 +10,20 @@ from tests.integration.test_utils import podman_compose_path
 from tests.integration.test_utils import test_path
 
 
-def compose_yaml_path():
+def compose_yaml_path() -> str:
     return os.path.join(os.path.join(test_path(), "nethost"), "docker-compose.yaml")
 
 
 class TestComposeNethost(unittest.TestCase, RunSubprocessMixin):
     # check if container listens for http requests and sends response back
     # as network_mode: host allows to connect to container easily
-    def test_nethost(self):
+    def test_nethost(self) -> None:
         try:
             self.run_subprocess_assert_returncode(
                 [podman_compose_path(), "-f", compose_yaml_path(), "up", "-d"],
             )
 
-            container_id, _ = self.run_subprocess_assert_returncode(
+            container_id_out, _ = self.run_subprocess_assert_returncode(
                 [
                     podman_compose_path(),
                     "-f",
@@ -33,7 +33,7 @@ class TestComposeNethost(unittest.TestCase, RunSubprocessMixin):
                     '{{.ID}}',
                 ],
             )
-            container_id = container_id.decode('utf-8').split('\n')[0]
+            container_id = container_id_out.decode('utf-8').split('\n')[0]
             output, _ = self.run_subprocess_assert_returncode(
                 [
                     "podman",

tests/integration/nets_test1/test_podman_compose_nets_test1.py

@@ -11,13 +11,13 @@ from tests.integration.test_utils import podman_compose_path
 from tests.integration.test_utils import test_path
 
 
-def compose_yaml_path():
+def compose_yaml_path() -> str:
     return os.path.join(os.path.join(test_path(), "nets_test1"), "docker-compose.yml")
 
 
 class TestComposeNetsTest1(unittest.TestCase, RunSubprocessMixin):
     # test if port mapping works as expected
-    def test_nets_test1(self):
+    def test_nets_test1(self) -> None:
         try:
             self.run_subprocess_assert_returncode(
                 [

tests/integration/nets_test2/test_podman_compose_nets_test2.py

@@ -11,13 +11,13 @@ from tests.integration.test_utils import podman_compose_path
 from tests.integration.test_utils import test_path
 
 
-def compose_yaml_path():
+def compose_yaml_path() -> str:
     return os.path.join(os.path.join(test_path(), "nets_test2"), "docker-compose.yml")
 
 
 class TestComposeNetsTest2(unittest.TestCase, RunSubprocessMixin):
     # test if port mapping works as expected with networks top-level element
-    def test_nets_test2(self):
+    def test_nets_test2(self) -> None:
         try:
             self.run_subprocess_assert_returncode(
                 [

tests/integration/nets_test3/test_podman_compose_nets_test3.py

@@ -10,7 +10,7 @@ from tests.integration.test_utils import podman_compose_path
 from tests.integration.test_utils import test_path
 
 
-def compose_yaml_path():
+def compose_yaml_path() -> str:
     return os.path.join(os.path.join(test_path(), "nets_test3"), "docker-compose.yml")
 
 
@@ -28,8 +28,12 @@ class TestComposeNetsTest3(unittest.TestCase, RunSubprocessMixin):
         ("nets_test3_web1_1", "alias21", b"", 1),
     ])
     def test_nets_test3(
-        self, container_name, nework_alias_name, expected_text, expected_returncode
+        self,
-    ):
+        container_name: str,
+        nework_alias_name: str,
+        expected_text: bytes,
+        expected_returncode: int,
+    ) -> None:
         try:
             self.run_subprocess_assert_returncode(
                 [

tests/integration/nets_test_ip/test_podman_compose_nets_test_ip.py

@@ -8,14 +8,14 @@ from tests.integration.test_utils import podman_compose_path
 from tests.integration.test_utils import test_path
 
 
-def compose_yaml_path():
+def compose_yaml_path() -> str:
     return os.path.join(os.path.join(test_path(), "nets_test_ip"), "docker-compose.yml")
 
 
 class TestComposeNetsTestIp(unittest.TestCase, RunSubprocessMixin):
     # test if services retain custom ipv4_address and mac_address matching the subnet provided
     # in networks top-level element
-    def test_nets_test_ip(self):
+    def test_nets_test_ip(self) -> None:
         try:
             self.run_subprocess_assert_returncode(
                 [

tests/integration/network/test_podman_compose_network.py

@@ -9,6 +9,7 @@ Tests the podman networking parameters
 # pylint: disable=redefined-outer-name
 import os
 import unittest
+from typing import Generator
 
 from tests.integration.test_utils import RunSubprocessMixin
 from tests.integration.test_utils import podman_compose_path
@@ -17,11 +18,11 @@ from tests.integration.test_utils import test_path
 
 class TestPodmanComposeNetwork(RunSubprocessMixin, unittest.TestCase):
     @staticmethod
-    def compose_file():
+    def compose_file() -> str:
         """Returns the path to the compose file used for this test module"""
         return os.path.join(test_path(), "nets_test_ip", "docker-compose.yml")
 
-    def teardown(self):
+    def teardown(self) -> Generator[None, None, None]:
         """
         Ensures that the services within the "profile compose file" are removed between
         each test case.
@@ -40,7 +41,7 @@ class TestPodmanComposeNetwork(RunSubprocessMixin, unittest.TestCase):
         ]
         self.run_subprocess(down_cmd)
 
-    def test_networks(self):
+    def test_networks(self) -> None:
         up_cmd = [
             "coverage",
             "run",
@@ -115,7 +116,7 @@ class TestPodmanComposeNetwork(RunSubprocessMixin, unittest.TestCase):
                 self.assertIn(f"ether {mac}", out.decode('utf-8'))
                 self.assertIn(f"inet {ip}/", out.decode('utf-8'))
 
-    def test_down_with_network(self):
+    def test_down_with_network(self) -> None:
         try:
             self.run_subprocess_assert_returncode([
                 "coverage",

tests/integration/network_interface_name/test_podman_compose_network_interface_name.py

@@ -10,10 +10,10 @@ from tests.integration.test_utils import test_path
 
 
 class TestPodmanComposeNetworkInterfaceName(RunSubprocessMixin, unittest.TestCase):
-    def compose_file(self):
+    def compose_file(self) -> str:
         return os.path.join(test_path(), "network_interface_name", "docker-compose.yml")
 
-    def up(self):
+    def up(self) -> None:
         up_cmd = [
             "coverage",
             "run",
@@ -26,7 +26,7 @@ class TestPodmanComposeNetworkInterfaceName(RunSubprocessMixin, unittest.TestCas
         ]
         self.run_subprocess_assert_returncode(up_cmd)
 
-    def down(self):
+    def down(self) -> None:
         down_cmd = [
             "coverage",
             "run",
@@ -38,7 +38,7 @@ class TestPodmanComposeNetworkInterfaceName(RunSubprocessMixin, unittest.TestCas
         ]
         self.run_subprocess(down_cmd)
 
-    def test_interface_name(self):
+    def test_interface_name(self) -> None:
         try:
             self.up()
 

tests/integration/network_scoped_aliases/test_podman_compose_network_scoped_aliases.py

@@ -11,18 +11,18 @@ from tests.integration.test_utils import test_path
 
 class TestPodmanComposeNetworkScopedAliases(RunSubprocessMixin, unittest.TestCase):
     @staticmethod
-    def compose_file():
+    def compose_file() -> str:
         """Returns the path to the compose file used for this test module"""
         return os.path.join(test_path(), "network_scoped_aliases", "docker-compose.yaml")
 
-    def test_network_scoped_aliases(self):
+    def test_network_scoped_aliases(self) -> None:
         try:
             self.up()
             self.verify()
         finally:
             self.down()
 
-    def up(self):
+    def up(self) -> None:
         up_cmd = [
             "coverage",
             "run",
@@ -36,7 +36,7 @@ class TestPodmanComposeNetworkScopedAliases(RunSubprocessMixin, unittest.TestCas
 
         self.run_subprocess_assert_returncode(up_cmd)
 
-    def down(self):
+    def down(self) -> None:
         down_cmd = [
             "coverage",
             "run",
@@ -48,7 +48,7 @@ class TestPodmanComposeNetworkScopedAliases(RunSubprocessMixin, unittest.TestCas
         ]
         self.run_subprocess(down_cmd)
 
-    def verify(self):
+    def verify(self) -> None:
         expected_results = [
             ("utils-net0", "web1", ["172.19.3.11"]),
             ("utils-net0", "secure-web", ["172.19.3.11"]),
@@ -72,7 +72,7 @@ class TestPodmanComposeNetworkScopedAliases(RunSubprocessMixin, unittest.TestCas
             addresses = self.parse_dnslookup(out.decode())
             self.assertEqual(addresses, expected_result)
 
-    def parse_dnslookup(self, output):
+    def parse_dnslookup(self, output: str) -> list[str]:
         lines = output.splitlines()
         addresses = []
         for line in lines:

tests/integration/no_services/test_podman_compose_no_services.py

@@ -8,13 +8,13 @@ from tests.integration.test_utils import podman_compose_path
 from tests.integration.test_utils import test_path
 
 
-def compose_yaml_path():
+def compose_yaml_path() -> str:
     return os.path.join(os.path.join(test_path(), "no_services"), "docker-compose.yaml")
 
 
 class TestComposeNoServices(unittest.TestCase, RunSubprocessMixin):
     # test if a network was created, but not the services
-    def test_no_services(self):
+    def test_no_services(self) -> None:
         try:
             output, return_code = self.run_subprocess_assert_returncode(
                 [

tests/integration/pod_args/test_podman_compose_pod_args.py

@@ -7,23 +7,23 @@ import unittest
 from tests.integration.test_utils import RunSubprocessMixin
 
 
-def base_path():
+def base_path() -> str:
     """Returns the base path for the project"""
     return os.path.dirname(os.path.dirname(os.path.dirname(os.path.dirname(__file__))))
 
 
-def test_path():
+def test_path() -> str:
     """Returns the path to the tests directory"""
     return os.path.join(base_path(), "tests/integration")
 
 
-def podman_compose_path():
+def podman_compose_path() -> str:
     """Returns the path to the podman compose script"""
     return os.path.join(base_path(), "podman_compose.py")
 
 
 class TestPodmanComposePodArgs(unittest.TestCase, RunSubprocessMixin):
-    def load_pod_info(self, pod_name):
+    def load_pod_info(self, pod_name: str) -> dict:
         output, _ = self.run_subprocess_assert_returncode([
             "podman",
             "pod",
@@ -37,7 +37,7 @@ class TestPodmanComposePodArgs(unittest.TestCase, RunSubprocessMixin):
             return pod_info[0]
         return pod_info
 
-    def run_pod_args_test(self, config, args, expected):
+    def run_pod_args_test(self, config: str, args: list, expected: list) -> None:
         """
         Helper to run podman up with a docker-compose.yml config, additional
         (--pod-args) arguments and compare the CreateCommand of the resulting
@@ -78,7 +78,7 @@ class TestPodmanComposePodArgs(unittest.TestCase, RunSubprocessMixin):
             command_rm_pod = ["podman", "pod", "rm", pod_name]
             self.run_subprocess_assert_returncode(command_rm_pod)
 
-    def test_x_podman_pod_args_unset_unset(self):
+    def test_x_podman_pod_args_unset_unset(self) -> None:
         """
         Test that podman-compose will use the default pod-args when unset in
         both docker-compose.yml and command line
@@ -89,7 +89,7 @@ class TestPodmanComposePodArgs(unittest.TestCase, RunSubprocessMixin):
             ["--infra=false", "--share="],
         )
 
-    def test_x_podman_pod_args_unset_empty(self):
+    def test_x_podman_pod_args_unset_empty(self) -> None:
         """
         Test that podman-compose will use empty pod-args when unset in
         docker-compose.yml and passing an empty value on the command line
@@ -100,7 +100,7 @@ class TestPodmanComposePodArgs(unittest.TestCase, RunSubprocessMixin):
             [],
         )
 
-    def test_x_podman_pod_args_unset_set(self):
+    def test_x_podman_pod_args_unset_set(self) -> None:
         """
         Test that podman-compose will use the passed pod-args when unset in
         docker-compose.yml and passing a non-empty value on the command line
@@ -111,7 +111,7 @@ class TestPodmanComposePodArgs(unittest.TestCase, RunSubprocessMixin):
             ["--infra=false", "--share=", "--cpus=1"],
         )
 
-    def test_x_podman_pod_args_empty_unset(self):
+    def test_x_podman_pod_args_empty_unset(self) -> None:
         """
         Test that podman-compose will use empty pod-args when set to an
         empty value in docker-compose.yml and unset on the command line
@@ -122,7 +122,7 @@ class TestPodmanComposePodArgs(unittest.TestCase, RunSubprocessMixin):
             [],
         )
 
-    def test_x_podman_pod_args_empty_empty(self):
+    def test_x_podman_pod_args_empty_empty(self) -> None:
         """
         Test that podman-compose will use empty pod-args when set to an
         empty value in both docker-compose.yml and command line
@@ -133,7 +133,7 @@ class TestPodmanComposePodArgs(unittest.TestCase, RunSubprocessMixin):
             [],
         )
 
-    def test_x_podman_pod_args_empty_set(self):
+    def test_x_podman_pod_args_empty_set(self) -> None:
         """
         Test that podman-compose will use the passed pod-args when set to an
         empty value in docker-compose.yml and passing a non-empty value on the
@@ -145,7 +145,7 @@ class TestPodmanComposePodArgs(unittest.TestCase, RunSubprocessMixin):
             ["--infra=false", "--share=", "--cpus=1"],
         )
 
-    def test_x_podman_pod_args_set_unset(self):
+    def test_x_podman_pod_args_set_unset(self) -> None:
         """
         Test that podman-compose will use the set pod-args when set to a
         non-empty value in docker-compose.yml and unset on the command line
@@ -156,7 +156,7 @@ class TestPodmanComposePodArgs(unittest.TestCase, RunSubprocessMixin):
             ["--infra=false", "--share=", "--cpus=2"],
         )
 
-    def test_x_podman_pod_args_set_empty(self):
+    def test_x_podman_pod_args_set_empty(self) -> None:
         """
         Test that podman-compose will use empty pod-args when set to a
         non-empty value in docker-compose.yml and passing an empty value on
@@ -168,7 +168,7 @@ class TestPodmanComposePodArgs(unittest.TestCase, RunSubprocessMixin):
             [],
         )
 
-    def test_x_podman_pod_args_set_set(self):
+    def test_x_podman_pod_args_set_set(self) -> None:
         """
         Test that podman-compose will use the passed pod-args when set to a
         non-empty value in both docker-compose.yml and command line

tests/integration/ports/test_podman_compose_ports.py

@@ -15,7 +15,7 @@ from tests.integration.test_utils import test_path
 
 
 class TestPodmanCompose(unittest.TestCase, RunSubprocessMixin):
-    def test_up_with_ports(self):
+    def test_up_with_ports(self) -> None:
         up_cmd = [
             "coverage",
             "run",

tests/integration/profile/test_podman_compose_config.py

@@ -17,13 +17,13 @@ from tests.integration.test_utils import podman_compose_path
 from tests.integration.test_utils import test_path
 
 
-def profile_compose_file():
+def profile_compose_file() -> str:
     """ "Returns the path to the `profile` compose file used for this test module"""
     return os.path.join(test_path(), "profile", "docker-compose.yml")
 
 
 class TestComposeConfig(unittest.TestCase, RunSubprocessMixin):
-    def test_config_no_profiles(self):
+    def test_config_no_profiles(self) -> None:
         """
         Tests podman-compose config command without profile enablement.
         """
@@ -59,7 +59,7 @@ class TestComposeConfig(unittest.TestCase, RunSubprocessMixin):
             ),
         ],
     )
-    def test_config_profiles(self, profiles, expected_services):
+    def test_config_profiles(self, profiles: list, expected_services: dict) -> None:
         """
         Tests podman-compose
         :param profiles: The enabled profiles for the parameterized test.
@@ -81,7 +81,7 @@ class TestComposeConfig(unittest.TestCase, RunSubprocessMixin):
 
         self.assertEqual(expected_services, actual_services)
 
-    def test_config_quiet(self):
+    def test_config_quiet(self) -> None:
         """
         Tests podman-compose config command with the --quiet flag.
         """

tests/integration/profile/test_podman_compose_up_down.py

@@ -9,6 +9,7 @@ Tests the podman compose up and down commands used to create and remove services
 # pylint: disable=redefined-outer-name
 import os
 import unittest
+from typing import List
 
 from parameterized import parameterized
 
@@ -17,13 +18,13 @@ from tests.integration.test_utils import podman_compose_path
 from tests.integration.test_utils import test_path
 
 
-def profile_compose_file():
+def profile_compose_file() -> str:
     """ "Returns the path to the `profile` compose file used for this test module"""
     return os.path.join(test_path(), "profile", "docker-compose.yml")
 
 
 class TestUpDown(unittest.TestCase, RunSubprocessMixin):
-    def tearDown(self):
+    def tearDown(self) -> None:
         """
         Ensures that the services within the "profile compose file" are removed between each test
         case.
@@ -60,7 +61,7 @@ class TestUpDown(unittest.TestCase, RunSubprocessMixin):
             ),
         ],
     )
-    def test_up(self, profiles, expected_services):
+    def test_up(self, profiles: List[str], expected_services: dict) -> None:
         up_cmd = [
             "coverage",
             "run",

tests/integration/seccomp/test_podman_compose_seccomp.py

@@ -8,7 +8,7 @@ from tests.integration.test_utils import podman_compose_path
 from tests.integration.test_utils import test_path
 
 
-def compose_yaml_path():
+def compose_yaml_path() -> str:
     return os.path.join(os.path.join(test_path(), "seccomp"), "docker-compose.yml")
 
 
@@ -20,7 +20,7 @@ class TestComposeSeccomp(unittest.TestCase, RunSubprocessMixin):
     )
     # test if seccomp uses custom seccomp profile file 'default.json' where command mkdir is not
     # allowed
-    def test_seccomp(self):
+    def test_seccomp(self) -> None:
         try:
             output, _, return_code = self.run_subprocess(
                 [podman_compose_path(), "-f", compose_yaml_path(), "run", "--rm", "web1"],

tests/integration/secrets/test_podman_compose_secrets.py

@@ -10,7 +10,7 @@ from tests.integration.test_utils import podman_compose_path
 from tests.integration.test_utils import test_path
 
 
-def compose_yaml_path():
+def compose_yaml_path() -> str:
     return os.path.join(os.path.join(test_path(), "secrets"), "docker-compose.yaml")
 
 
@@ -22,12 +22,12 @@ class TestComposeNoSecrets(unittest.TestCase, RunSubprocessMixin):
         "podman_compose_test_secret_custom_name",
     ]
 
-    def setUp(self):
+    def setUp(self) -> None:
         for secret in self.created_secrets:
             p = Popen(["podman", "secret", "create", secret, "-"], stdin=PIPE)
             p.communicate(secret.encode('utf-8'))
 
-    def tearDown(self):
+    def tearDown(self) -> None:
         for secret in self.created_secrets:
             self.run_subprocess_assert_returncode([
                 "podman",
@@ -37,7 +37,7 @@ class TestComposeNoSecrets(unittest.TestCase, RunSubprocessMixin):
             ])
 
     # test if secrets are saved and available in respective files of a container
-    def test_secrets(self):
+    def test_secrets(self) -> None:
         try:
             _, error, _ = self.run_subprocess(
                 [

tests/integration/selinux/test_podman_compose_selinux.py

@@ -11,7 +11,7 @@ from tests.integration.test_utils import test_path
 
 
 class TestPodmanCompose(unittest.TestCase, RunSubprocessMixin):
-    def test_selinux(self):
+    def test_selinux(self) -> None:
         # test if when using volumes type:bind with selinux:z option, container ackquires a
         # respective host:source:z mapping in CreateCommand list
         compose_path = os.path.join(test_path(), "selinux", "docker-compose.yml")

tests/integration/service_scale/test_podman_compose_scale.py

@@ -8,13 +8,13 @@ from tests.integration.test_utils import podman_compose_path
 from tests.integration.test_utils import test_path
 
 
-def compose_yaml_path(test_ref_folder):
+def compose_yaml_path(test_ref_folder: str) -> str:
     return os.path.join(test_path(), "service_scale", test_ref_folder, "docker-compose.yml")
 
 
 class TestComposeScale(unittest.TestCase, RunSubprocessMixin):
     # scale-up using `scale` prarmeter in docker-compose.yml
-    def test_scaleup_scale_parameter(self):
+    def test_scaleup_scale_parameter(self) -> None:
         try:
             output, _, return_code = self.run_subprocess([
                 podman_compose_path(),
@@ -43,7 +43,7 @@ class TestComposeScale(unittest.TestCase, RunSubprocessMixin):
             ])
 
     # scale-up using `deploy => replicas` prarmeter in docker-compose.yml
-    def test_scaleup_deploy_replicas_parameter(self):
+    def test_scaleup_deploy_replicas_parameter(self) -> None:
         try:
             output, _, return_code = self.run_subprocess([
                 podman_compose_path(),
@@ -72,7 +72,7 @@ class TestComposeScale(unittest.TestCase, RunSubprocessMixin):
             ])
 
     # scale-up using `--scale <SERVICE>=<number of replicas>` argument in CLI
-    def test_scaleup_cli(self):
+    def test_scaleup_cli(self) -> None:
         try:
             output, _, return_code = self.run_subprocess([
                 podman_compose_path(),

tests/integration/test_utils.py

@@ -7,22 +7,22 @@ import time
 from pathlib import Path
 
 
-def base_path():
+def base_path() -> Path:
     """Returns the base path for the project"""
     return Path(__file__).parent.parent.parent
 
 
-def test_path():
+def test_path() -> str:
     """Returns the path to the tests directory"""
     return os.path.join(base_path(), "tests/integration")
 
 
-def podman_compose_path():
+def podman_compose_path() -> str:
     """Returns the path to the podman compose script"""
     return os.path.join(base_path(), "podman_compose.py")
 
 
-def is_systemd_available():
+def is_systemd_available() -> bool:
     try:
         with open("/proc/1/comm", "r", encoding="utf-8") as fh:
             return fh.read().strip() == "systemd"
@@ -31,10 +31,10 @@ def is_systemd_available():
 
 
 class RunSubprocessMixin:
-    def is_debug_enabled(self):
+    def is_debug_enabled(self) -> bool:
         return "TESTS_DEBUG" in os.environ
 
-    def run_subprocess(self, args):
+    def run_subprocess(self, args: list[str]) -> tuple[bytes, bytes, int]:
         begin = time.time()
         if self.is_debug_enabled():
             print("TEST_CALL", args)
@@ -50,11 +50,13 @@ class RunSubprocessMixin:
             print("STDERR:", err.decode('utf-8'))
         return out, err, proc.returncode
 
-    def run_subprocess_assert_returncode(self, args, expected_returncode=0):
+    def run_subprocess_assert_returncode(
+        self, args: list[str], expected_returncode: int = 0
+    ) -> tuple[bytes, bytes]:
         out, err, returncode = self.run_subprocess(args)
         decoded_out = out.decode('utf-8')
         decoded_err = err.decode('utf-8')
-        self.assertEqual(
+        self.assertEqual(  # type: ignore[attr-defined]
             returncode,
             expected_returncode,
             f"Invalid return code of process {returncode} != {expected_returncode}\n"
@@ -64,7 +66,7 @@ class RunSubprocessMixin:
 
 
 class PodmanAwareRunSubprocessMixin(RunSubprocessMixin):
-    def retrieve_podman_version(self):
+    def retrieve_podman_version(self) -> tuple[int, int, int]:
         out, _ = self.run_subprocess_assert_returncode(["podman", "--version"])
         matcher = re.match(r"\D*(\d+)\.(\d+)\.(\d+)", out.decode('utf-8'))
         if matcher:

tests/integration/uidmaps/test_podman_compose_uidmaps.py

@@ -10,7 +10,7 @@ from tests.integration.test_utils import test_path
 
 
 class TestPodmanCompose(unittest.TestCase, RunSubprocessMixin):
-    def test_uidmaps(self):
+    def test_uidmaps(self) -> None:
         compose_path = os.path.join(test_path(), "uidmaps", "docker-compose.yml")
         try:
             self.run_subprocess_assert_returncode([

tests/integration/ulimit/test_podman_compose_ulimit.py

@@ -10,7 +10,7 @@ from tests.integration.test_utils import test_path
 
 
 class TestUlimit(unittest.TestCase, RunSubprocessMixin):
-    def test_ulimit(self):
+    def test_ulimit(self) -> None:
         compose_path = os.path.join(test_path(), "ulimit/docker-compose.yaml")
         try:
             self.run_subprocess_assert_returncode([

tests/integration/up_down/test_podman_compose_up_down.py

@@ -26,7 +26,7 @@ class TestPodmanCompose(unittest.TestCase, RunSubprocessMixin):
         "--force-recreate",
     ]
 
-    def setUp(self):
+    def setUp(self) -> None:
         """
         Retag the debian image before each test to no mess with the other integration tests when
         testing the `--rmi` argument
@@ -40,7 +40,7 @@ class TestPodmanCompose(unittest.TestCase, RunSubprocessMixin):
         self.run_subprocess_assert_returncode(tag_cmd)
 
     @classmethod
-    def tearDownClass(cls):
+    def tearDownClass(cls) -> None:
         """
         Ensures that the images that were created for this tests will be removed
         """
@@ -54,7 +54,7 @@ class TestPodmanCompose(unittest.TestCase, RunSubprocessMixin):
         ]
         cls().run_subprocess_assert_returncode(rmi_cmd)
 
-    def test_down(self):
+    def test_down(self) -> None:
         down_cmd = [
             "coverage",
             "run",
@@ -116,7 +116,7 @@ class TestPodmanCompose(unittest.TestCase, RunSubprocessMixin):
             "docker.io/library/debian:up-down-test",
         ])
 
-    def test_down_with_volumes(self):
+    def test_down_with_volumes(self) -> None:
         down_cmd = [
             "coverage",
             "run",
@@ -179,7 +179,7 @@ class TestPodmanCompose(unittest.TestCase, RunSubprocessMixin):
             "docker.io/library/debian:up-down-test",
         ])
 
-    def test_down_without_orphans(self):
+    def test_down_without_orphans(self) -> None:
         down_cmd = [
             "coverage",
             "run",
@@ -258,7 +258,7 @@ class TestPodmanCompose(unittest.TestCase, RunSubprocessMixin):
         )
         self.run_subprocess_assert_returncode(["podman", "volume", "exists", "up_down_web2_vol"], 1)
 
-    def test_down_with_orphans(self):
+    def test_down_with_orphans(self) -> None:
         down_cmd = [
             "coverage",
             "run",
@@ -322,7 +322,7 @@ class TestPodmanCompose(unittest.TestCase, RunSubprocessMixin):
             "docker.io/library/debian:up-down-test",
         ])
 
-    def test_down_with_images_default(self):
+    def test_down_with_images_default(self) -> None:
         down_cmd = [
             "coverage",
             "run",
@@ -379,7 +379,7 @@ class TestPodmanCompose(unittest.TestCase, RunSubprocessMixin):
             ["podman", "image", "exists", "docker.io/library/debian:up-down-test"], 1
         )
 
-    def test_down_with_images_all(self):
+    def test_down_with_images_all(self) -> None:
         down_cmd = [
             "coverage",
             "run",
@@ -437,7 +437,7 @@ class TestPodmanCompose(unittest.TestCase, RunSubprocessMixin):
             ["podman", "image", "exists", "docker.io/library/debian:up-down-test"], 1
         )
 
-    def test_down_with_images_all_and_orphans(self):
+    def test_down_with_images_all_and_orphans(self) -> None:
         down_cmd = [
             "coverage",
             "run",
@@ -497,7 +497,7 @@ class TestPodmanCompose(unittest.TestCase, RunSubprocessMixin):
             ["podman", "image", "exists", "docker.io/library/debian:up-down-test"], 1
         )
 
-    def test_down_with_images_local(self):
+    def test_down_with_images_local(self) -> None:
         down_cmd = [
             "coverage",
             "run",

tests/integration/vol/test_podman_compose_vol.py

@@ -16,7 +16,7 @@ from tests.integration.test_utils import test_path
 
 
 class TestPodmanCompose(unittest.TestCase, RunSubprocessMixin):
-    def test_down_with_vols(self):
+    def test_down_with_vols(self) -> None:
         up_cmd = [
             "coverage",
             "run",

tests/unit/test_compose_exec_args.py

@@ -7,7 +7,7 @@ from podman_compose import compose_exec_args
 
 
 class TestComposeExecArgs(unittest.TestCase):
-    def test_minimal(self):
+    def test_minimal(self) -> None:
         cnt = get_minimal_container()
         args = get_minimal_args()
 
@@ -15,7 +15,7 @@ class TestComposeExecArgs(unittest.TestCase):
         expected = ["--interactive", "--tty", "container_name"]
         self.assertEqual(result, expected)
 
-    def test_additional_env_value_equals(self):
+    def test_additional_env_value_equals(self) -> None:
         cnt = get_minimal_container()
         args = get_minimal_args()
         args.env = ["key=valuepart1=valuepart2"]
@@ -31,11 +31,11 @@ class TestComposeExecArgs(unittest.TestCase):
         self.assertEqual(result, expected)
 
 
-def get_minimal_container():
+def get_minimal_container() -> dict:
     return {}
 
 
-def get_minimal_args():
+def get_minimal_args() -> argparse.Namespace:
     return argparse.Namespace(
         T=None,
         cnt_command=None,

tests/unit/test_compose_run_log_format.py

@@ -3,66 +3,67 @@
 
 import io
 import unittest
+from typing import Union
 
 from podman_compose import Podman
 
 
 class DummyReader:
-    def __init__(self, data=None):
+    def __init__(self, data: Union[list[bytes], None] = None):
         self.data = data or []
 
-    async def readuntil(self, _):
+    async def readuntil(self, _: str) -> bytes:
         return self.data.pop(0)
 
-    def at_eof(self):
+    def at_eof(self) -> bool:
         return len(self.data) == 0
 
 
 class TestComposeRunLogFormat(unittest.IsolatedAsyncioTestCase):
-    def setUp(self):
+    def setUp(self) -> None:
         self.p = get_minimal_podman()
         self.buffer = io.StringIO()
 
-    async def test_single_line_single_chunk(self):
+    async def test_single_line_single_chunk(self) -> None:
         reader = DummyReader([b'hello, world\n'])
-        await self.p._format_stream(reader, self.buffer, 'LL:')
+        await self.p._format_stream(reader, self.buffer, 'LL:')  # type: ignore[arg-type]
         self.assertEqual(self.buffer.getvalue(), 'LL: hello, world\n')
 
-    async def test_empty(self):
+    async def test_empty(self) -> None:
         reader = DummyReader([])
-        await self.p._format_stream(reader, self.buffer, 'LL:')
+        await self.p._format_stream(reader, self.buffer, 'LL:')  # type: ignore[arg-type]
         self.assertEqual(self.buffer.getvalue(), '')
 
-    async def test_empty2(self):
+    async def test_empty2(self) -> None:
         reader = DummyReader([b''])
-        await self.p._format_stream(reader, self.buffer, 'LL:')
+        await self.p._format_stream(reader, self.buffer, 'LL:')  # type: ignore[arg-type]
         self.assertEqual(self.buffer.getvalue(), '')
 
-    async def test_empty_line(self):
+    async def test_empty_line(self) -> None:
         reader = DummyReader([b'\n'])
-        await self.p._format_stream(reader, self.buffer, 'LL:')
+        await self.p._format_stream(reader, self.buffer, 'LL:')  # type: ignore[arg-type]
         self.assertEqual(self.buffer.getvalue(), 'LL: \n')
 
-    async def test_line_split(self):
+    async def test_line_split(self) -> None:
         reader = DummyReader([b'hello,', b' world\n'])
-        await self.p._format_stream(reader, self.buffer, 'LL:')
+        await self.p._format_stream(reader, self.buffer, 'LL:')  # type: ignore[arg-type]
         self.assertEqual(self.buffer.getvalue(), 'LL: hello, world\n')
 
-    async def test_two_lines_in_one_chunk(self):
+    async def test_two_lines_in_one_chunk(self) -> None:
         reader = DummyReader([b'hello\nbye\n'])
-        await self.p._format_stream(reader, self.buffer, 'LL:')
+        await self.p._format_stream(reader, self.buffer, 'LL:')  # type: ignore[arg-type]
         self.assertEqual(self.buffer.getvalue(), 'LL: hello\nLL: bye\n')
 
-    async def test_double_blank(self):
+    async def test_double_blank(self) -> None:
         reader = DummyReader([b'hello\n\n\nbye\n'])
-        await self.p._format_stream(reader, self.buffer, 'LL:')
+        await self.p._format_stream(reader, self.buffer, 'LL:')  # type: ignore[arg-type]
         self.assertEqual(self.buffer.getvalue(), 'LL: hello\nLL: \nLL: \nLL: bye\n')
 
-    async def test_no_new_line_at_end(self):
+    async def test_no_new_line_at_end(self) -> None:
         reader = DummyReader([b'hello\nbye'])
-        await self.p._format_stream(reader, self.buffer, 'LL:')
+        await self.p._format_stream(reader, self.buffer, 'LL:')  # type: ignore[arg-type]
         self.assertEqual(self.buffer.getvalue(), 'LL: hello\nLL: bye\n')
 
 
-def get_minimal_podman():
+def get_minimal_podman() -> Podman:
-    return Podman(None)
+    return Podman(None)  # type: ignore[arg-type]

tests/unit/test_compose_run_update_container_from_args.py

@@ -8,7 +8,7 @@ from podman_compose import compose_run_update_container_from_args
 
 
 class TestComposeRunUpdateContainerFromArgs(unittest.TestCase):
-    def test_minimal(self):
+    def test_minimal(self) -> None:
         cnt = get_minimal_container()
         compose = get_minimal_compose()
         args = get_minimal_args()
@@ -18,7 +18,7 @@ class TestComposeRunUpdateContainerFromArgs(unittest.TestCase):
         expected_cnt = {"name": "default_name", "tty": True}
         self.assertEqual(cnt, expected_cnt)
 
-    def test_additional_env_value_equals(self):
+    def test_additional_env_value_equals(self) -> None:
         cnt = get_minimal_container()
         compose = get_minimal_compose()
         args = get_minimal_args()
@@ -35,7 +35,7 @@ class TestComposeRunUpdateContainerFromArgs(unittest.TestCase):
         }
         self.assertEqual(cnt, expected_cnt)
 
-    def test_publish_ports(self):
+    def test_publish_ports(self) -> None:
         cnt = get_minimal_container()
         compose = get_minimal_compose()
         args = get_minimal_args()
@@ -51,15 +51,15 @@ class TestComposeRunUpdateContainerFromArgs(unittest.TestCase):
         self.assertEqual(cnt, expected_cnt)
 
 
-def get_minimal_container():
+def get_minimal_container() -> dict:
     return {}
 
 
-def get_minimal_compose():
+def get_minimal_compose() -> PodmanCompose:
     return PodmanCompose()
 
 
-def get_minimal_args():
+def get_minimal_args() -> argparse.Namespace:
     return argparse.Namespace(
         T=None,
         cnt_command=None,

tests/unit/test_container_to_args.py

@@ -2,14 +2,16 @@
 
 import os
 import unittest
+from typing import Any
 from unittest import mock
 
 from parameterized import parameterized
 
+from podman_compose import PodmanCompose
 from podman_compose import container_to_args
 
 
-def create_compose_mock(project_name="test_project_name"):
+def create_compose_mock(project_name: str = "test_project_name") -> PodmanCompose:
     compose = mock.Mock()
     compose.project_name = project_name
     compose.dirname = "test_dirname"
@@ -19,14 +21,14 @@ def create_compose_mock(project_name="test_project_name"):
     compose.networks = {}
     compose.x_podman = {}
 
-    async def podman_output(*args, **kwargs):
+    async def podman_output(*args: Any, **kwargs: Any) -> None:
         pass
 
     compose.podman.output = mock.Mock(side_effect=podman_output)
     return compose
 
 
-def get_minimal_container():
+def get_minimal_container() -> dict[str, Any]:
     return {
         "name": "project_name_service_name1",
         "service_name": "service_name",
@@ -34,13 +36,13 @@ def get_minimal_container():
     }
 
 
-def get_test_file_path(rel_path):
+def get_test_file_path(rel_path: str) -> str:
     repo_root = os.path.dirname(os.path.dirname(os.path.dirname(__file__)))
     return os.path.realpath(os.path.join(repo_root, rel_path))
 
 
 class TestContainerToArgs(unittest.IsolatedAsyncioTestCase):
-    async def test_minimal(self):
+    async def test_minimal(self) -> None:
         c = create_compose_mock()
 
         cnt = get_minimal_container()
@@ -56,7 +58,7 @@ class TestContainerToArgs(unittest.IsolatedAsyncioTestCase):
             ],
         )
 
-    async def test_runtime(self):
+    async def test_runtime(self) -> None:
         c = create_compose_mock()
 
         cnt = get_minimal_container()
@@ -75,7 +77,7 @@ class TestContainerToArgs(unittest.IsolatedAsyncioTestCase):
             ],
         )
 
-    async def test_sysctl_list(self):
+    async def test_sysctl_list(self) -> None:
         c = create_compose_mock()
 
         cnt = get_minimal_container()
@@ -99,7 +101,7 @@ class TestContainerToArgs(unittest.IsolatedAsyncioTestCase):
             ],
         )
 
-    async def test_sysctl_map(self):
+    async def test_sysctl_map(self) -> None:
         c = create_compose_mock()
 
         cnt = get_minimal_container()
@@ -123,7 +125,7 @@ class TestContainerToArgs(unittest.IsolatedAsyncioTestCase):
             ],
         )
 
-    async def test_sysctl_wrong_type(self):
+    async def test_sysctl_wrong_type(self) -> None:
         c = create_compose_mock()
         cnt = get_minimal_container()
 
@@ -133,7 +135,7 @@ class TestContainerToArgs(unittest.IsolatedAsyncioTestCase):
                 cnt["sysctls"] = wrong_type
                 await container_to_args(c, cnt)
 
-    async def test_pid(self):
+    async def test_pid(self) -> None:
         c = create_compose_mock()
         cnt = get_minimal_container()
 
@@ -152,7 +154,7 @@ class TestContainerToArgs(unittest.IsolatedAsyncioTestCase):
             ],
         )
 
-    async def test_http_proxy(self):
+    async def test_http_proxy(self) -> None:
         c = create_compose_mock()
 
         cnt = get_minimal_container()
@@ -170,7 +172,7 @@ class TestContainerToArgs(unittest.IsolatedAsyncioTestCase):
             ],
         )
 
-    async def test_uidmaps_extension_old_path(self):
+    async def test_uidmaps_extension_old_path(self) -> None:
         c = create_compose_mock()
 
         cnt = get_minimal_container()
@@ -179,7 +181,7 @@ class TestContainerToArgs(unittest.IsolatedAsyncioTestCase):
         with self.assertRaises(ValueError):
             await container_to_args(c, cnt)
 
-    async def test_uidmaps_extension(self):
+    async def test_uidmaps_extension(self) -> None:
         c = create_compose_mock()
 
         cnt = get_minimal_container()
@@ -200,7 +202,7 @@ class TestContainerToArgs(unittest.IsolatedAsyncioTestCase):
             ],
         )
 
-    async def test_gidmaps_extension(self):
+    async def test_gidmaps_extension(self) -> None:
         c = create_compose_mock()
 
         cnt = get_minimal_container()
@@ -221,7 +223,7 @@ class TestContainerToArgs(unittest.IsolatedAsyncioTestCase):
             ],
         )
 
-    async def test_rootfs_extension(self):
+    async def test_rootfs_extension(self) -> None:
         c = create_compose_mock()
 
         cnt = get_minimal_container()
@@ -240,7 +242,7 @@ class TestContainerToArgs(unittest.IsolatedAsyncioTestCase):
             ],
         )
 
-    async def test_no_hosts_extension(self):
+    async def test_no_hosts_extension(self) -> None:
         c = create_compose_mock()
 
         cnt = get_minimal_container()
@@ -258,7 +260,7 @@ class TestContainerToArgs(unittest.IsolatedAsyncioTestCase):
             ],
         )
 
-    async def test_env_file_str(self):
+    async def test_env_file_str(self) -> None:
         c = create_compose_mock()
 
         cnt = get_minimal_container()
@@ -282,7 +284,7 @@ class TestContainerToArgs(unittest.IsolatedAsyncioTestCase):
             ],
         )
 
-    async def test_env_file_str_not_exists(self):
+    async def test_env_file_str_not_exists(self) -> None:
         c = create_compose_mock()
 
         cnt = get_minimal_container()
@@ -291,7 +293,7 @@ class TestContainerToArgs(unittest.IsolatedAsyncioTestCase):
         with self.assertRaises(ValueError):
             await container_to_args(c, cnt)
 
-    async def test_env_file_str_array_one_path(self):
+    async def test_env_file_str_array_one_path(self) -> None:
         c = create_compose_mock()
 
         cnt = get_minimal_container()
@@ -315,7 +317,7 @@ class TestContainerToArgs(unittest.IsolatedAsyncioTestCase):
             ],
         )
 
-    async def test_env_file_str_array_two_paths(self):
+    async def test_env_file_str_array_two_paths(self) -> None:
         c = create_compose_mock()
 
         cnt = get_minimal_container()
@@ -344,7 +346,7 @@ class TestContainerToArgs(unittest.IsolatedAsyncioTestCase):
             ],
         )
 
-    async def test_env_file_obj_required(self):
+    async def test_env_file_obj_required(self) -> None:
         c = create_compose_mock()
 
         cnt = get_minimal_container()
@@ -368,7 +370,7 @@ class TestContainerToArgs(unittest.IsolatedAsyncioTestCase):
             ],
         )
 
-    async def test_env_file_obj_required_non_existent_path(self):
+    async def test_env_file_obj_required_non_existent_path(self) -> None:
         c = create_compose_mock()
 
         cnt = get_minimal_container()
@@ -377,7 +379,7 @@ class TestContainerToArgs(unittest.IsolatedAsyncioTestCase):
         with self.assertRaises(ValueError):
             await container_to_args(c, cnt)
 
-    async def test_env_file_obj_optional(self):
+    async def test_env_file_obj_optional(self) -> None:
         c = create_compose_mock()
 
         cnt = get_minimal_container()
@@ -394,7 +396,7 @@ class TestContainerToArgs(unittest.IsolatedAsyncioTestCase):
             ],
         )
 
-    async def test_gpu_count_all(self):
+    async def test_gpu_count_all(self) -> None:
         c = create_compose_mock()
 
         cnt = get_minimal_container()
@@ -422,7 +424,7 @@ class TestContainerToArgs(unittest.IsolatedAsyncioTestCase):
             ],
         )
 
-    async def test_gpu_count_specific(self):
+    async def test_gpu_count_specific(self) -> None:
         c = create_compose_mock()
 
         cnt = get_minimal_container()
@@ -458,7 +460,7 @@ class TestContainerToArgs(unittest.IsolatedAsyncioTestCase):
             ],
         )
 
-    async def test_gpu_device_ids_all(self):
+    async def test_gpu_device_ids_all(self) -> None:
         c = create_compose_mock()
 
         cnt = get_minimal_container()
@@ -492,7 +494,7 @@ class TestContainerToArgs(unittest.IsolatedAsyncioTestCase):
             ],
         )
 
-    async def test_gpu_device_ids_specific(self):
+    async def test_gpu_device_ids_specific(self) -> None:
         c = create_compose_mock()
 
         cnt = get_minimal_container()
@@ -534,7 +536,9 @@ class TestContainerToArgs(unittest.IsolatedAsyncioTestCase):
         (True, "z", ["-v", "./foo:/mnt:z"]),
         (True, "Z", ["-v", "./foo:/mnt:Z"]),
     ])
-    async def test_selinux_volume(self, prefer_volume, selinux_type, expected_additional_args):
+    async def test_selinux_volume(
+        self, prefer_volume: bool, selinux_type: str, expected_additional_args: list
+    ) -> None:
         c = create_compose_mock()
         c.prefer_volume_over_mount = prefer_volume
 
@@ -572,7 +576,9 @@ class TestContainerToArgs(unittest.IsolatedAsyncioTestCase):
         ("compat_no_dash", True, "test_project_name", "test_project_name_network1"),
         ("compat_dash", True, "test_project-name", "test_projectname_network1"),
     ])
-    async def test_network_default_name(self, name, is_compat, project_name, expected_network_name):
+    async def test_network_default_name(
+        self, name: str, is_compat: bool, project_name: str, expected_network_name: str
+    ) -> None:
         c = create_compose_mock(project_name)
         c.x_podman = {"default_net_name_compat": is_compat}
         c.networks = {'network1': {}}
@@ -591,7 +597,7 @@ class TestContainerToArgs(unittest.IsolatedAsyncioTestCase):
             ],
         )
 
-    async def test_device(self):
+    async def test_device(self) -> None:
         c = create_compose_mock()
         cnt = get_minimal_container()
 
@@ -613,7 +619,7 @@ class TestContainerToArgs(unittest.IsolatedAsyncioTestCase):
             ],
         )
 
-    async def test_cpuset(self):
+    async def test_cpuset(self) -> None:
         c = create_compose_mock()
         cnt = get_minimal_container()
         cnt["cpuset"] = "0-1"
@@ -631,7 +637,7 @@ class TestContainerToArgs(unittest.IsolatedAsyncioTestCase):
             ],
         )
 
-    async def test_pids_limit_container_level(self):
+    async def test_pids_limit_container_level(self) -> None:
         c = create_compose_mock()
         cnt = get_minimal_container()
         cnt["pids_limit"] = 100
@@ -649,7 +655,7 @@ class TestContainerToArgs(unittest.IsolatedAsyncioTestCase):
             ],
         )
 
-    async def test_pids_limit_deploy_section(self):
+    async def test_pids_limit_deploy_section(self) -> None:
         c = create_compose_mock()
         cnt = get_minimal_container()
         cnt["deploy"] = {"resources": {"limits": {"pids": 100}}}
@@ -667,7 +673,7 @@ class TestContainerToArgs(unittest.IsolatedAsyncioTestCase):
             ],
         )
 
-    async def test_pids_limit_both_same(self):
+    async def test_pids_limit_both_same(self) -> None:
         c = create_compose_mock()
         cnt = get_minimal_container()
         cnt["pids_limit"] = 100
@@ -686,7 +692,7 @@ class TestContainerToArgs(unittest.IsolatedAsyncioTestCase):
             ],
         )
 
-    async def test_pids_limit_both_different(self):
+    async def test_pids_limit_both_different(self) -> None:
         c = create_compose_mock()
         cnt = get_minimal_container()
         cnt["pids_limit"] = 100
@@ -695,7 +701,7 @@ class TestContainerToArgs(unittest.IsolatedAsyncioTestCase):
         with self.assertRaises(ValueError):
             await container_to_args(c, cnt)
 
-    async def test_heathcheck_string(self):
+    async def test_healthcheck_string(self) -> None:
         c = create_compose_mock()
         cnt = get_minimal_container()
         cnt["healthcheck"] = {
@@ -715,7 +721,7 @@ class TestContainerToArgs(unittest.IsolatedAsyncioTestCase):
             ],
         )
 
-    async def test_heathcheck_cmd_args(self):
+    async def test_healthcheck_cmd_args(self) -> None:
         c = create_compose_mock()
         cnt = get_minimal_container()
         cnt["healthcheck"] = {
@@ -735,7 +741,7 @@ class TestContainerToArgs(unittest.IsolatedAsyncioTestCase):
             ],
         )
 
-    async def test_heathcheck_cmd_shell(self):
+    async def test_healthcheck_cmd_shell(self) -> None:
         c = create_compose_mock()
         cnt = get_minimal_container()
         cnt["healthcheck"] = {
@@ -755,7 +761,7 @@ class TestContainerToArgs(unittest.IsolatedAsyncioTestCase):
             ],
         )
 
-    async def test_heathcheck_cmd_shell_error(self):
+    async def test_healthcheck_cmd_shell_error(self) -> None:
         c = create_compose_mock()
         cnt = get_minimal_container()
         cnt["healthcheck"] = {

tests/unit/test_container_to_args_secrets.py

@@ -10,12 +10,12 @@ from tests.unit.test_container_to_args import create_compose_mock
 from tests.unit.test_container_to_args import get_minimal_container
 
 
-def repo_root():
+def repo_root() -> str:
     return os.path.dirname(os.path.dirname(os.path.dirname(__file__)))
 
 
 class TestContainerToArgsSecrets(unittest.IsolatedAsyncioTestCase):
-    async def test_pass_secret_as_env_variable(self):
+    async def test_pass_secret_as_env_variable(self) -> None:
         c = create_compose_mock()
         c.declared_secrets = {
             "my_secret": {"external": "true"}  # must have external or name value
@@ -43,7 +43,7 @@ class TestContainerToArgsSecrets(unittest.IsolatedAsyncioTestCase):
             ],
         )
 
-    async def test_secret_as_env_external_true_has_no_name(self):
+    async def test_secret_as_env_external_true_has_no_name(self) -> None:
         c = create_compose_mock()
         c.declared_secrets = {
             "my_secret": {
@@ -74,7 +74,7 @@ class TestContainerToArgsSecrets(unittest.IsolatedAsyncioTestCase):
             ],
         )
 
-    async def test_pass_secret_as_env_variable_no_external(self):
+    async def test_pass_secret_as_env_variable_no_external(self) -> None:
         c = create_compose_mock()
         c.declared_secrets = {
             "my_secret": {}  # must have external or name value
@@ -124,7 +124,9 @@ class TestContainerToArgsSecrets(unittest.IsolatedAsyncioTestCase):
             },
         ),
     ])
-    async def test_secret_name(self, test_name, declared_secrets, add_to_minimal_container):
+    async def test_secret_name(
+        self, test_name: str, declared_secrets: dict, add_to_minimal_container: dict
+    ) -> None:
         c = create_compose_mock()
         c.declared_secrets = declared_secrets
 
@@ -136,7 +138,7 @@ class TestContainerToArgsSecrets(unittest.IsolatedAsyncioTestCase):
             await container_to_args(c, cnt)
         self.assertIn('ERROR: undeclared secret: ', str(context.exception))
 
-    async def test_secret_string_no_external_name_in_declared_secrets(self):
+    async def test_secret_string_no_external_name_in_declared_secrets(self) -> None:
         c = create_compose_mock()
         c.declared_secrets = {"my_secret_name": {"external": "true"}}
         cnt = get_minimal_container()
@@ -157,7 +159,7 @@ class TestContainerToArgsSecrets(unittest.IsolatedAsyncioTestCase):
             ],
         )
 
-    async def test_secret_string_options_external_name_in_declared_secrets(self):
+    async def test_secret_string_options_external_name_in_declared_secrets(self) -> None:
         c = create_compose_mock()
         c.declared_secrets = {
             "my_secret_name": {
@@ -195,7 +197,9 @@ class TestContainerToArgsSecrets(unittest.IsolatedAsyncioTestCase):
             ],
         )
 
-    async def test_secret_string_external_name_in_declared_secrets_does_not_match_secret(self):
+    async def test_secret_string_external_name_in_declared_secrets_does_not_match_secret(
+        self,
+    ) -> None:
         c = create_compose_mock()
         c.declared_secrets = {
             "my_secret_name": {
@@ -213,7 +217,7 @@ class TestContainerToArgsSecrets(unittest.IsolatedAsyncioTestCase):
             await container_to_args(c, cnt)
         self.assertIn('ERROR: Custom name/target reference ', str(context.exception))
 
-    async def test_secret_target_does_not_match_secret_name_secret_type_not_env(self):
+    async def test_secret_target_does_not_match_secret_name_secret_type_not_env(self) -> None:
         c = create_compose_mock()
         c.declared_secrets = {
             "my_secret_name": {
@@ -234,7 +238,7 @@ class TestContainerToArgsSecrets(unittest.IsolatedAsyncioTestCase):
             await container_to_args(c, cnt)
         self.assertIn('ERROR: Custom name/target reference ', str(context.exception))
 
-    async def test_secret_target_does_not_match_secret_name_secret_type_env(self):
+    async def test_secret_target_does_not_match_secret_name_secret_type_env(self) -> None:
         c = create_compose_mock()
         c.declared_secrets = {
             "my_secret_name": {
@@ -260,7 +264,7 @@ class TestContainerToArgsSecrets(unittest.IsolatedAsyncioTestCase):
             ],
         )
 
-    async def test_secret_target_matches_secret_name_secret_type_not_env(self):
+    async def test_secret_target_matches_secret_name_secret_type_not_env(self) -> None:
         c = create_compose_mock()
         c.declared_secrets = {
             "my_secret_name": {
@@ -342,8 +346,12 @@ class TestContainerToArgsSecrets(unittest.IsolatedAsyncioTestCase):
         ),
     ])
     async def test_file_secret(
-        self, test_name, declared_secrets, add_to_minimal_container, expected_volume_ref
+        self,
-    ):
+        test_name: str,
+        declared_secrets: dict,
+        add_to_minimal_container: dict,
+        expected_volume_ref: str,
+    ) -> None:
         c = create_compose_mock()
         c.declared_secrets = declared_secrets
         cnt = get_minimal_container()
@@ -362,7 +370,7 @@ class TestContainerToArgsSecrets(unittest.IsolatedAsyncioTestCase):
             ],
         )
 
-    async def test_file_secret_unused_params_warning(self):
+    async def test_file_secret_unused_params_warning(self) -> None:
         c = create_compose_mock()
         c.declared_secrets = {
             "file_secret": {

tests/unit/test_get_net_args.py

@@ -2,6 +2,7 @@ import unittest
 
 from parameterized import parameterized
 
+from podman_compose import PodmanCompose
 from podman_compose import get_net_args
 from tests.unit.test_container_to_args import create_compose_mock
 
@@ -10,7 +11,7 @@ SERVICE_NAME = "service_name"
 CONTAINER_NAME = f"{PROJECT_NAME}_{SERVICE_NAME}_1"
 
 
-def get_networked_compose(num_networks=1):
+def get_networked_compose(num_networks: int = 1) -> PodmanCompose:
     compose = create_compose_mock(PROJECT_NAME)
     for network in range(num_networks):
         compose.networks[f"net{network}"] = {
@@ -30,7 +31,7 @@ def get_networked_compose(num_networks=1):
     return compose
 
 
-def get_minimal_container():
+def get_minimal_container() -> dict:
     return {
         "name": CONTAINER_NAME,
         "service_name": SERVICE_NAME,
@@ -39,7 +40,7 @@ def get_minimal_container():
 
 
 class TestGetNetArgs(unittest.TestCase):
-    def test_minimal(self):
+    def test_minimal(self) -> None:
         compose = get_networked_compose()
         container = get_minimal_container()
 
@@ -49,7 +50,7 @@ class TestGetNetArgs(unittest.TestCase):
         args = get_net_args(compose, container)
         self.assertListEqual(expected_args, args)
 
-    def test_default_net_is_None(self):
+    def test_default_net_is_None(self) -> None:
         compose = get_networked_compose()
         container = get_minimal_container()
 
@@ -64,7 +65,7 @@ class TestGetNetArgs(unittest.TestCase):
         args = get_net_args(compose, container)
         self.assertListEqual(expected_args, args)
 
-    def test_one_net(self):
+    def test_one_net(self) -> None:
         compose = get_networked_compose()
         container = get_minimal_container()
         container["networks"] = {"net0": {}}
@@ -75,7 +76,7 @@ class TestGetNetArgs(unittest.TestCase):
         args = get_net_args(compose, container)
         self.assertListEqual(expected_args, args)
 
-    def test_alias(self):
+    def test_alias(self) -> None:
         compose = get_networked_compose()
         container = get_minimal_container()
         container["networks"] = {"net0": {}}
@@ -87,7 +88,7 @@ class TestGetNetArgs(unittest.TestCase):
         args = get_net_args(compose, container)
         self.assertListEqual(expected_args, args)
 
-    def test_aliases_on_network_scope(self):
+    def test_aliases_on_network_scope(self) -> None:
         compose = get_networked_compose()
         container = get_minimal_container()
         container["networks"] = {"net0": {"aliases": ["alias1"]}}
@@ -98,7 +99,7 @@ class TestGetNetArgs(unittest.TestCase):
         args = get_net_args(compose, container)
         self.assertListEqual(expected_args, args)
 
-    def test_one_ipv4(self):
+    def test_one_ipv4(self) -> None:
         ip = "192.168.0.42"
         compose = get_networked_compose()
         container = get_minimal_container()
@@ -110,7 +111,7 @@ class TestGetNetArgs(unittest.TestCase):
         args = get_net_args(compose, container)
         self.assertEqual(expected_args, args)
 
-    def test_one_ipv6(self):
+    def test_one_ipv6(self) -> None:
         ipv6_address = "fd00:0::42"
         compose = get_networked_compose()
         container = get_minimal_container()
@@ -122,7 +123,7 @@ class TestGetNetArgs(unittest.TestCase):
         args = get_net_args(compose, container)
         self.assertListEqual(expected_args, args)
 
-    def test_one_mac(self):
+    def test_one_mac(self) -> None:
         mac = "00:11:22:33:44:55"
         compose = get_networked_compose()
         container = get_minimal_container()
@@ -135,7 +136,7 @@ class TestGetNetArgs(unittest.TestCase):
         args = get_net_args(compose, container)
         self.assertListEqual(expected_args, args)
 
-    def test_one_mac_two_nets(self):
+    def test_one_mac_two_nets(self) -> None:
         mac = "00:11:22:33:44:55"
         compose = get_networked_compose(num_networks=6)
         container = get_minimal_container()
@@ -153,7 +154,7 @@ class TestGetNetArgs(unittest.TestCase):
         "mac_address",
         "x-podman.mac_address",
     ])
-    def test_mac_on_network(self, mac_attr):
+    def test_mac_on_network(self, mac_attr: str) -> None:
         mac = "00:11:22:33:44:55"
         compose = get_networked_compose()
         container = get_minimal_container()
@@ -165,7 +166,7 @@ class TestGetNetArgs(unittest.TestCase):
         args = get_net_args(compose, container)
         self.assertListEqual(expected_args, args)
 
-    def test_two_nets_as_dict(self):
+    def test_two_nets_as_dict(self) -> None:
         compose = get_networked_compose(num_networks=2)
         container = get_minimal_container()
         container["networks"] = {"net0": {}, "net1": {}}
@@ -177,7 +178,7 @@ class TestGetNetArgs(unittest.TestCase):
         args = get_net_args(compose, container)
         self.assertListEqual(expected_args, args)
 
-    def test_two_nets_as_list(self):
+    def test_two_nets_as_list(self) -> None:
         compose = get_networked_compose(num_networks=2)
         container = get_minimal_container()
         container["networks"] = ["net0", "net1"]
@@ -189,7 +190,7 @@ class TestGetNetArgs(unittest.TestCase):
         args = get_net_args(compose, container)
         self.assertListEqual(expected_args, args)
 
-    def test_two_ipv4(self):
+    def test_two_ipv4(self) -> None:
         ip0 = "192.168.0.42"
         ip1 = "192.168.1.42"
         compose = get_networked_compose(num_networks=2)
@@ -203,7 +204,7 @@ class TestGetNetArgs(unittest.TestCase):
         args = get_net_args(compose, container)
         self.assertListEqual(expected_args, args)
 
-    def test_two_ipv6(self):
+    def test_two_ipv6(self) -> None:
         ip0 = "fd00:0::42"
         ip1 = "fd00:1::42"
         compose = get_networked_compose(num_networks=2)
@@ -218,7 +219,7 @@ class TestGetNetArgs(unittest.TestCase):
         self.assertListEqual(expected_args, args)
 
     # custom extension; not supported by docker-compose
-    def test_two_mac(self):
+    def test_two_mac(self) -> None:
         mac0 = "00:00:00:00:00:01"
         mac1 = "00:00:00:00:00:02"
         compose = get_networked_compose(num_networks=2)
@@ -235,7 +236,7 @@ class TestGetNetArgs(unittest.TestCase):
         args = get_net_args(compose, container)
         self.assertListEqual(expected_args, args)
 
-    def test_mixed_mac(self):
+    def test_mixed_mac(self) -> None:
         ip4_0 = "192.168.0.42"
         ip4_1 = "192.168.1.42"
         ip4_2 = "192.168.2.42"
@@ -256,7 +257,7 @@ class TestGetNetArgs(unittest.TestCase):
         )
         self.assertRaisesRegex(RuntimeError, expected_exception, get_net_args, compose, container)
 
-    def test_mixed_config(self):
+    def test_mixed_config(self) -> None:
         ip4_0 = "192.168.0.42"
         ip4_1 = "192.168.1.42"
         ip6_0 = "fd00:0::42"
@@ -297,7 +298,7 @@ class TestGetNetArgs(unittest.TestCase):
         ("ns:my_namespace", ["--network=ns:my_namespace"]),
         ("container:my_container", ["--network=container:my_container"]),
     ])
-    def test_network_modes(self, network_mode, expected_args):
+    def test_network_modes(self, network_mode: str, expected_args: list) -> None:
         compose = get_networked_compose()
         container = get_minimal_container()
         container["network_mode"] = network_mode
@@ -309,7 +310,7 @@ class TestGetNetArgs(unittest.TestCase):
         args = get_net_args(compose, container)
         self.assertListEqual(expected_args, args)
 
-    def test_network_mode_invalid(self):
+    def test_network_mode_invalid(self) -> None:
         compose = get_networked_compose()
         container = get_minimal_container()
         container["network_mode"] = "invalid_mode"
@@ -317,7 +318,7 @@ class TestGetNetArgs(unittest.TestCase):
         with self.assertRaises(SystemExit):
             get_net_args(compose, container)
 
-    def test_network__mode_service(self):
+    def test_network__mode_service(self) -> None:
         compose = get_networked_compose()
         compose.container_names_by_service = {
             "service_1": ["container_1"],

tests/unit/test_get_network_create_args.py

@@ -4,7 +4,7 @@ from podman_compose import get_network_create_args
 
 
 class TestGetNetworkCreateArgs(unittest.TestCase):
-    def test_minimal(self):
+    def test_minimal(self) -> None:
         net_desc = {
             "labels": [],
             "internal": False,
@@ -26,7 +26,7 @@ class TestGetNetworkCreateArgs(unittest.TestCase):
         args = get_network_create_args(net_desc, proj_name, net_name)
         self.assertEqual(args, expected_args)
 
-    def test_ipv6(self):
+    def test_ipv6(self) -> None:
         net_desc = {
             "labels": [],
             "internal": False,
@@ -49,7 +49,7 @@ class TestGetNetworkCreateArgs(unittest.TestCase):
         args = get_network_create_args(net_desc, proj_name, net_name)
         self.assertEqual(args, expected_args)
 
-    def test_bridge(self):
+    def test_bridge(self) -> None:
         net_desc = {
             "labels": [],
             "internal": False,
@@ -77,7 +77,7 @@ class TestGetNetworkCreateArgs(unittest.TestCase):
         args = get_network_create_args(net_desc, proj_name, net_name)
         self.assertEqual(args, expected_args)
 
-    def test_ipam_driver_default(self):
+    def test_ipam_driver_default(self) -> None:
         net_desc = {
             "labels": [],
             "internal": False,
@@ -113,7 +113,7 @@ class TestGetNetworkCreateArgs(unittest.TestCase):
         args = get_network_create_args(net_desc, proj_name, net_name)
         self.assertEqual(args, expected_args)
 
-    def test_ipam_driver(self):
+    def test_ipam_driver(self) -> None:
         net_desc = {
             "labels": [],
             "internal": False,
@@ -151,7 +151,7 @@ class TestGetNetworkCreateArgs(unittest.TestCase):
         args = get_network_create_args(net_desc, proj_name, net_name)
         self.assertEqual(args, expected_args)
 
-    def test_complete(self):
+    def test_complete(self) -> None:
         net_desc = {
             "labels": ["label1", "label2"],
             "internal": True,
@@ -202,7 +202,7 @@ class TestGetNetworkCreateArgs(unittest.TestCase):
         args = get_network_create_args(net_desc, proj_name, net_name)
         self.assertEqual(args, expected_args)
 
-    def test_disable_dns(self):
+    def test_disable_dns(self) -> None:
         net_desc = {
             "labels": [],
             "internal": False,
@@ -226,7 +226,7 @@ class TestGetNetworkCreateArgs(unittest.TestCase):
         args = get_network_create_args(net_desc, proj_name, net_name)
         self.assertEqual(args, expected_args)
 
-    def test_dns_string(self):
+    def test_dns_string(self) -> None:
         net_desc = {
             "labels": [],
             "internal": False,
@@ -251,7 +251,7 @@ class TestGetNetworkCreateArgs(unittest.TestCase):
         args = get_network_create_args(net_desc, proj_name, net_name)
         self.assertEqual(args, expected_args)
 
-    def test_dns_list(self):
+    def test_dns_list(self) -> None:
         net_desc = {
             "labels": [],
             "internal": False,

tests/unit/test_is_path_git_url.py

@@ -18,5 +18,5 @@ class TestIsPathGitUrl(unittest.TestCase):
         ("suffix_and_prefix", "git://host.xz/path/to/repo.git", True),
         ("empty_url_path", "http://#fragment", False),
     ])
-    def test_is_path_git_url(self, test_name, path, result):
+    def test_is_path_git_url(self, test_name: str, path: str, result: bool) -> None:
         self.assertEqual(is_path_git_url(path), result)

tests/unit/test_normalize_service.py

@@ -1,5 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0
 import unittest
+from typing import Any
+from typing import Union
 
 from parameterized import parameterized
 
@@ -29,7 +31,7 @@ class TestNormalizeService(unittest.TestCase):
             {"build": {"additional_contexts": ["ctx=../ctx", "ctx2=../ctx2"]}},
         ),
     ])
-    def test_simple(self, input, expected):
+    def test_simple(self, input: dict[str, Any], expected: dict[str, Any]) -> None:
         self.assertEqual(normalize_service(input), expected)
 
     @parameterized.expand([
@@ -46,7 +48,9 @@ class TestNormalizeService(unittest.TestCase):
             {"build": {"context": "./sub_dir/dir-1", "dockerfile": "dockerfile-1"}},
         ),
     ])
-    def test_normalize_service_with_sub_dir(self, input, expected):
+    def test_normalize_service_with_sub_dir(
+        self, input: dict[str, Any], expected: dict[str, Any]
+    ) -> None:
         self.assertEqual(normalize_service(input, sub_dir="./sub_dir"), expected)
 
     @parameterized.expand([
@@ -60,7 +64,7 @@ class TestNormalizeService(unittest.TestCase):
             ["bash", "-c", "sleep infinity"],
         ),
     ])
-    def test_command_like(self, input, expected):
+    def test_command_like(self, input: Union[list[str], str], expected: list[str]) -> None:
         for key in ['command', 'entrypoint']:
             input_service = {}
             input_service[key] = input

tests/unit/test_rec_subs.py

@@ -2,6 +2,7 @@
 # pylint: disable=protected-access
 
 import unittest
+from typing import Any
 
 from parameterized import parameterized
 
@@ -66,7 +67,7 @@ class TestRecSubs(unittest.TestCase):
     ]
 
     @parameterized.expand(substitutions)
-    def test_rec_subs(self, desc, input, expected):
+    def test_rec_subs(self, desc: str, input: Any, expected: Any) -> None:
         sub_dict = {"v1": "high priority", "empty": ""}
         result = rec_subs(input, sub_dict)
         self.assertEqual(result, expected, msg=desc)

tests/unit/test_volumes.py

@@ -6,7 +6,7 @@ from podman_compose import parse_short_mount
 
 
 class ParseShortMountTests(unittest.TestCase):
-    def test_multi_propagation(self):
+    def test_multi_propagation(self) -> None:
         self.assertEqual(
             parse_short_mount("/foo/bar:/baz:U,Z", "/"),
             {