Merge pull request #1175 from mokibit/automate-volumes-merge-test

tests/integration: Automate manual `volumes_merge` test

tests/integration/volumes_merge/__init__.py

@@ -0,0 +1 @@
+

tests/integration/volumes_merge/test_podman_compose_volumes_merge.py

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+# SPDX-License-Identifier: GPL-2.0
+
+import json
+import os
+import unittest
+
+from tests.integration.test_utils import RunSubprocessMixin
+from tests.integration.test_utils import podman_compose_path
+from tests.integration.test_utils import test_path
+
+
+def compose_yaml_path(compose_name):
+    """ "Returns the path to the compose file used for this test module"""
+    base_path = os.path.join(test_path(), "volumes_merge/")
+    return os.path.join(base_path, compose_name)
+
+
+class TestComposeVolumesMerge(unittest.TestCase, RunSubprocessMixin):
+    def test_volumes_merge(self):
+        # test if additional compose file overrides host path and access mode of a volume
+        try:
+            self.run_subprocess_assert_returncode([
+                podman_compose_path(),
+                "-f",
+                compose_yaml_path("docker-compose.yaml"),
+                "-f",
+                compose_yaml_path("docker-compose.override.yaml"),
+                "up",
+                "-d",
+            ])
+
+            out, _ = self.run_subprocess_assert_returncode([
+                "podman",
+                "exec",
+                "-ti",
+                "volumes_merge_web_1",
+                "cat",
+                "/var/www/html/index.html",
+                "/var/www/html/index2.html",
+                "/var/www/html/index3.html",
+            ])
+            self.assertEqual(
+                out,
+                b"The file from docker-compose.override.yaml\r\n"
+                b"The file from docker-compose.override.yaml\r\n"
+                b"The file from docker-compose.override.yaml\r\n",
+            )
+
+            out, _ = self.run_subprocess_assert_returncode([
+                "podman",
+                "inspect",
+                "volumes_merge_web_1",
+            ])
+            volumes_info = json.loads(out.decode('utf-8'))[0]
+            binds_info = volumes_info["HostConfig"]["Binds"]
+            binds_info.sort()
+
+            file_path = os.path.join(test_path(), "volumes_merge/override.txt")
+            expected = [
+                f'{file_path}:/var/www/html/index.html:ro,rprivate,rbind',
+                f'{file_path}:/var/www/html/index2.html:rw,rprivate,rbind',
+                f'{file_path}:/var/www/html/index3.html:rw,rprivate,rbind',
+            ]
+            self.assertEqual(binds_info, expected)
+        finally:
+            out, _ = self.run_subprocess_assert_returncode([
+                podman_compose_path(),
+                "-f",
+                compose_yaml_path("docker-compose.yaml"),
+                "-f",
+                compose_yaml_path("docker-compose.override.yaml"),
+                "down",
+                "-t",
+                "0",
+            ])