test: always ensure clean config environment

tests/conftest.py

@@ -1,11 +1,29 @@
 import pytest
 
+import gitlab
+
 
 @pytest.fixture(scope="session")
 def test_dir(pytestconfig):
     return pytestconfig.rootdir / "tests"
 
 
+@pytest.fixture(autouse=True)
+def mock_clean_config(monkeypatch):
+    """Ensures user-defined environment variables do not interfere with tests."""
+    monkeypatch.delenv("PYTHON_GITLAB_CFG", raising=False)
+    monkeypatch.delenv("GITLAB_PRIVATE_TOKEN", raising=False)
+    monkeypatch.delenv("GITLAB_URL", raising=False)
+    monkeypatch.delenv("CI_JOB_TOKEN", raising=False)
+    monkeypatch.delenv("CI_SERVER_URL", raising=False)
+
+
+@pytest.fixture(autouse=True)
+def default_files(monkeypatch):
+    """Ensures user configuration files do not interfere with tests."""
+    monkeypatch.setattr(gitlab.config, "_DEFAULT_FILES", [])
+
+
 @pytest.fixture
 def valid_gitlab_ci_yml():
     return """---

tests/functional/cli/test_cli_variables.py

@@ -3,7 +3,6 @@
 import pytest
 import responses
 
-from gitlab import config
 from gitlab.const import DEFAULT_URL
 
 
@@ -37,10 +36,7 @@ def test_list_project_variables_with_path(gitlab_cli, project):
 
 @pytest.mark.script_launch_mode("inprocess")
 @responses.activate
-def test_list_project_variables_with_path_url_check(
-    monkeypatch, script_runner, resp_get_project
-):
-    monkeypatch.setattr(config, "_DEFAULT_FILES", [])
+def test_list_project_variables_with_path_url_check(script_runner, resp_get_project):
     resp_get_project_variables = copy.deepcopy(resp_get_project)
     resp_get_project_variables.update(
         url=f"{DEFAULT_URL}/api/v4/projects/project%2Fwith%2Fa%2Fnamespace/variables"

tests/unit/test_config.py

@@ -100,6 +100,12 @@
 """
 
 
+@pytest.fixture(autouse=True)
+def default_files(monkeypatch):
+    """Overrides mocked default files from conftest.py as we have our own mocks here."""
+    monkeypatch.setattr(gitlab.config, "_DEFAULT_FILES", config._DEFAULT_FILES)
+
+
 def global_retry_transient_errors(value: bool) -> str:
     return f"""[global]
 default = one
@@ -129,24 +135,19 @@ def _mock_existent_file(path, *args, **kwargs):
     return path
 
 
-@pytest.fixture
-def mock_clean_env(monkeypatch):
-    monkeypatch.delenv("PYTHON_GITLAB_CFG", raising=False)
-
-
 def test_env_config_missing_file_raises(monkeypatch):
     monkeypatch.setenv("PYTHON_GITLAB_CFG", "/some/path")
     with pytest.raises(config.GitlabConfigMissingError):
         config._get_config_files()
 
 
-def test_env_config_not_defined_does_not_raise(mock_clean_env, monkeypatch):
+def test_env_config_not_defined_does_not_raise(monkeypatch):
     with monkeypatch.context() as m:
         m.setattr(config, "_DEFAULT_FILES", [])
         assert config._get_config_files() == []
 
 
-def test_default_config(mock_clean_env, monkeypatch):
+def test_default_config(monkeypatch):
     with monkeypatch.context() as m:
         m.setattr(Path, "resolve", _mock_nonexistent_file)
         cp = config.GitlabConfigParser()
@@ -169,7 +170,7 @@ def test_default_config(mock_clean_env, monkeypatch):
 
 
 @mock.patch("builtins.open")
-def test_invalid_id(m_open, mock_clean_env, monkeypatch):
+def test_invalid_id(m_open, monkeypatch):
     fd = io.StringIO(no_default_config)
     fd.close = mock.Mock(return_value=None)
     m_open.return_value = fd

tests/unit/test_gitlab.py

@@ -20,7 +20,6 @@
 import logging
 import pickle
 from http.client import HTTPConnection
-from typing import List, Optional, Union
 
 import pytest
 import responses
@@ -301,11 +300,7 @@ def test_gitlab_from_config(default_config):
     gitlab.Gitlab.from_config("one", [config_path])
 
 
-def test_gitlab_from_config_without_files_raises(monkeypatch):
-    def no_files(config_files: Optional[List[str]] = None) -> Union[str, List[str]]:
-        return []
-
-    monkeypatch.setattr(gitlab.config, "_get_config_files", no_files)
+def test_gitlab_from_config_without_files_raises():
     with pytest.raises(GitlabConfigMissingError, match="non-existing"):
         gitlab.Gitlab.from_config("non-existing")