+ def test_include_exclude(self) -> None:
+ path = THIS_DIR / "include_exclude_tests"
+ include = re.compile(r"\.pyi?$")
+ exclude = re.compile(r"/exclude/|/\.definitely_exclude/")
+ sources: List[Path] = []
+ expected = [
+ Path(THIS_DIR / "include_exclude_tests/b/dont_exclude/a.py"),
+ Path(THIS_DIR / "include_exclude_tests/b/dont_exclude/a.pyi"),
+ ]
+ sources.extend(black.gen_python_files_in_dir(path, include, exclude))
+ self.assertEqual(sorted(expected), sorted(sources))
+
+ def test_empty_include(self) -> None:
+ path = THIS_DIR / "include_exclude_tests"
+ empty = re.compile(r"")
+ sources: List[Path] = []
+ sources.extend(
+ black.gen_python_files_in_dir(
+ path, empty, re.compile(black.DEFAULT_EXCLUDES)
+ )
+ )
+ self.assertEqual([], (sources))
+
+ def test_empty_exclude(self) -> None:
+ path = THIS_DIR / "include_exclude_tests"
+ empty = re.compile(r"")
+ sources: List[Path] = []
+ expected = [
+ Path(THIS_DIR / "include_exclude_tests/b/dont_exclude/a.py"),
+ Path(THIS_DIR / "include_exclude_tests/b/dont_exclude/a.pyi"),
+ Path(THIS_DIR / "include_exclude_tests/b/exclude/a.py"),
+ Path(THIS_DIR / "include_exclude_tests/b/exclude/a.pyi"),
+ Path(THIS_DIR / "include_exclude_tests/b/.definitely_exclude/a.py"),
+ Path(THIS_DIR / "include_exclude_tests/b/.definitely_exclude/a.pyi"),
+ ]
+ sources.extend(
+ black.gen_python_files_in_dir(
+ path, re.compile(black.DEFAULT_INCLUDES), empty
+ )
+ )
+ self.assertEqual(sorted(expected), sorted(sources))
+
+ def test_invalid_include_exclude(self) -> None:
+ for option in ["--include", "--exclude"]:
+ result = CliRunner().invoke(black.main, ["-", option, "**()(!!*)"])
+ self.assertEqual(result.exit_code, 2)
+