Add setup and --help command to pylint-config

1 files changed, 44 insertions, 0 deletions

diff --git a/tests/config/pylint_config/test_pylint_config_help.py b/tests/config/pylint_config/test_pylint_config_help.py
new file mode 100644
index 000000000..fcd57894a
--- /dev/null
+++ b/tests/config/pylint_config/test_pylint_config_help.py
@@ -0,0 +1,44 @@
+# Licensed under the GPL: https://www.gnu.org/licenses/old-licenses/gpl-2.0.html
+# For details: https://github.com/PyCQA/pylint/blob/main/LICENSE
+# Copyright (c) https://github.com/PyCQA/pylint/blob/main/CONTRIBUTORS.txt
+
+"""Test for the 'pylint-config generate' command."""
+
+
+import warnings
+
+import pytest
+from pytest import CaptureFixture
+
+from pylint.lint.run import _PylintConfigRun as Run
+
+
+def test_pylint_config_main_messages(capsys: CaptureFixture[str]) -> None:
+    """Check that the help messages are displayed correctly."""
+    with warnings.catch_warnings():
+        warnings.filterwarnings("ignore", message="NOTE:.*", category=UserWarning)
+        Run([], exit=False)
+        captured = capsys.readouterr()
+        assert captured.out.startswith("usage: pylint-config [options]")
+        assert "--interactive" not in captured.out
+
+        Run(["-h"], exit=False)
+        captured_two = capsys.readouterr()
+        assert captured_two.out == captured.out
+
+        with pytest.raises(SystemExit):
+            Run(["generate", "-h"])
+        captured = capsys.readouterr()
+        assert captured.out.startswith("usage: pylint-config [options] generate")
+        assert "--interactive" in captured.out
+
+        with pytest.raises(SystemExit) as ex:
+            Run(["generate"])
+        captured_two = capsys.readouterr()
+        assert captured_two.out == captured.out
+        # This gets auto-raised by argparse to be 0.
+        assert ex.value.code == 32
+
+        with pytest.raises(SystemExit) as ex:
+            Run(["-h"])
+        assert ex.value.code == 32