TEST: Add tests for skipped case

src/main.py

@@ -5,7 +5,7 @@
 from comparison import CompareAppVersion, CompareComposeVersion
 
 
-def main():
+def main() -> bool:
     """
     The entry point function for the action.
     Here we get environment variables then set environment variables when finished.
@@ -20,14 +20,12 @@ def main():
 
     labels = os.environ.get("INPUT_LABELS")
     if any(label in labels for label in ["documentation", "workflow"]):
-        return
-    
+        return False
+
     CompareAppVersion().run(main_path / app_path, branch_path / app_path)
     if compose_path:
         compose_path = Path(compose_path)
-        CompareComposeVersion().run(
-            branch_path / app_path, branch_path / compose_path
-        )
+        CompareComposeVersion().run(branch_path / app_path, branch_path / compose_path)
 
     github_env = os.getenv("GITHUB_ENV")
     with open(github_env, "a", encoding="utf-8") as env:
@@ -36,6 +34,7 @@ def main():
         if compose_path:
             env.write("compose_updated=true")
         env.write(f"release_tag={release_version}")
+    return True
 
 
 if __name__ == "__main__":

tests/test_main.py

@@ -18,7 +18,7 @@ def test_main(mock_os, mock_compare_app, mock_compare_compose):
     ]
 
     with patch("builtins.open", mock_open(read_data="1.0.0")):
-        main()
+        res = main()
     mock_os.environ.get.assert_any_call("INPUT_LABELS")
     mock_os.environ.get.assert_any_call("INPUT_APP_VERSION_PATH")
     mock_os.environ.get.assert_any_call("INPUT_DOCKER_COMPOSE_PATH")
@@ -31,3 +31,18 @@ def test_main(mock_os, mock_compare_app, mock_compare_compose):
     mock_compare_compose.return_value.run.assert_called_once_with(
         mock_branch_path / "app", mock_branch_path / "compose"
     )
+    assert res
+
+
+@patch("main.os")
+def test_main_skip(mock_os):
+    """Test the main method skips the comparison methods."""
+    mock_os.environ.get.side_effect = [
+        Path("app"),
+        Path("compose"),
+        Path("workspace"),
+        ["workflow", "documentation"],
+    ]
+    with patch("builtins.open", mock_open(read_data="1.0.0")):
+        res = main()
+    assert not res