Merge pull request #3 from amartani/main

Avoid passing __init__.py files to pytest to mitigate bug

Author: caseyduquettesc

python_pytest/pytest_shim.py

@@ -9,6 +9,10 @@
 if __name__ == "__main__":
     pytest_args = ["--ignore=external"]
 
+    # pytest runs tests twice if __init__.py is passed explicitly as an argument. Remove any __init__.py file to avoid that.
+    # https://github.com/pytest-dev/pytest/issues/9313
+    args = [arg for arg in sys.argv[1:] if arg.startswith("-") or os.path.basename(arg) != "__init__.py"]
+
     if os.environ.get("XML_OUTPUT_FILE"):
         pytest_args.append("--junitxml={xml_output_file}".format(xml_output_file=os.environ.get("XML_OUTPUT_FILE")))
 
@@ -19,19 +23,19 @@
         # If the test filter does not start with a class-like name, then use test filtering instead
         # --test_filter=test_fn
         if not module_name[0].isupper():
-            pytest_args.extend(sys.argv[1:])
+            pytest_args.extend(args)
             pytest_args.append("-k={filter}".format(filter=module_name))
         else:
             # --test_filter=TestClass.test_fn
             # Add test filter to path-like args
-            for arg in sys.argv[1:]:
+            for arg in args:
                 if not arg.startswith("--"):
                     # Maybe a src file? Add test class/method selection to it. Not sure if this will work if the
                     # symbol can't be found in the test file.
                     arg = "{arg}::{module_fn}".format(arg=arg, module_fn=module_name)
                 pytest_args.append(arg)
     else:
-        pytest_args.extend(sys.argv[1:])
+        pytest_args.extend(args)
 
     print(pytest_args, file=sys.stderr)
     raise SystemExit(pytest.main(pytest_args))