Adding basic support for --profile argument

Signed-off-by: Dixon Whitmire <dixonwh@gmail.com>

tests/test_podman_compose_config.py

@@ -0,0 +1,78 @@
+"""
+test_podman_compose_config.py
+
+Tests the podman-compose config command which is used to return defined compose services.
+"""
+import pytest
+import os
+from test_podman_compose import capture
+
+
+@pytest.fixture
+def profile_compose_file(test_path):
+    """"Returns the path to the `profile` compose file used for this test module"""
+    return os.path.join(test_path, "profile", "docker-compose.yml")
+
+
+def test_config_no_profiles(podman_compose_path, profile_compose_file):
+    """
+    Tests podman-compose config command without profile enablement.
+
+    :param podman_compose_path: The fixture used to specify the path to the podman compose file.
+    :param profile_compose_file: The fixtued used to specify the path to the "profile" compose used in the test.
+    """
+    config_cmd = [
+        "python3",
+        podman_compose_path,
+        "-f",
+        profile_compose_file,
+        "config"
+    ]
+
+    out, err, return_code = capture(config_cmd)
+    assert return_code == 0
+
+    string_output = out.decode("utf-8")
+    assert "default-service" in string_output
+    assert "service-1" not in string_output
+    assert "service-2" not in string_output
+
+
+@pytest.mark.parametrize("profiles, expected_services",
+                         [
+                             (["--profile", "profile-1", "config"],
+                              {"default-service": True, "service-1": True, "service-2": False}),
+                             (["--profile", "profile-2", "config"],
+                              {"default-service": True, "service-1": False, "service-2": True}),
+                             (["--profile", "profile-1", "--profile", "profile-2", "config"],
+                              {"default-service": True, "service-1": True, "service-2": True})
+                         ])
+def test_config_profiles(podman_compose_path, profile_compose_file, profiles, expected_services):
+    """
+    Tests podman-compose
+    :param podman_compose_path: The fixture used to specify the path to the podman compose file.
+    :param profile_compose_file: The fixtued used to specify the path to the "profile" compose used in the test.
+    :param profiles: The enabled profiles for the parameterized test.
+    :param expected_services: Dictionary used to model the expected "enabled" services in the profile.
+        Key = service name, Value = True if the service is enabled, otherwise False.
+    """
+    config_cmd = [
+        "python3",
+        podman_compose_path,
+        "-f",
+        profile_compose_file
+    ]
+    config_cmd.extend(profiles)
+
+    out, err, return_code = capture(config_cmd)
+    assert return_code == 0
+
+    actual_output = out.decode("utf-8")
+
+    assert len(expected_services) == 3
+
+    actual_services = {}
+    for service, expected_check in expected_services.items():
+        actual_services[service] = service in actual_output
+
+    assert expected_services == actual_services