1 files changed, 33 insertions, 0 deletions
diff --git a/pre_commit_hooks/tests_should_end_in_test.py b/pre_commit_hooks/tests_should_end_in_test.py
new file mode 100644
index 0000000..bffb0c4
--- /dev/null
+++ b/pre_commit_hooks/tests_should_end_in_test.py
@@ -0,0 +1,33 @@
+import argparse
+import os.path
+import re
+from typing import Optional
+from typing import Sequence
+
+
+def main(argv: Optional[Sequence[str]] = None) -> int:
+    parser = argparse.ArgumentParser()
+    parser.add_argument('filenames', nargs='*')
+    parser.add_argument(
+        '--django', default=False, action='store_true',
+        help='Use Django-style test naming pattern (test*.py)',
+    )
+    args = parser.parse_args(argv)
+
+    retcode = 0
+    test_name_pattern = r'test.*\.py' if args.django else r'.*_test\.py'
+    for filename in args.filenames:
+        base = os.path.basename(filename)
+        if (
+                not re.match(test_name_pattern, base) and
+                not base == '__init__.py' and
+                not base == 'conftest.py'
+        ):
+            retcode = 1
+            print(f'{filename} does not match pattern "{test_name_pattern}"')
+
+    return retcode
+
+
+if __name__ == '__main__':
+    raise SystemExit(main())