black.assert_equivalent(source, actual)
black.assert_stable(source, actual, black.FileMode())
- @unittest.expectedFailure
- @patch("black.dump_to_file", dump_to_stderr)
- def test_trailing_comma_optional_parens_stability1(self) -> None:
- source, _expected = read_data("trailing_comma_optional_parens1")
- actual = fs(source)
- black.assert_stable(source, actual, DEFAULT_MODE)
-
- @unittest.expectedFailure
- @patch("black.dump_to_file", dump_to_stderr)
- def test_trailing_comma_optional_parens_stability2(self) -> None:
- source, _expected = read_data("trailing_comma_optional_parens2")
- actual = fs(source)
- black.assert_stable(source, actual, DEFAULT_MODE)
-
- @unittest.expectedFailure
- @patch("black.dump_to_file", dump_to_stderr)
- def test_trailing_comma_optional_parens_stability3(self) -> None:
- source, _expected = read_data("trailing_comma_optional_parens3")
- actual = fs(source)
- black.assert_stable(source, actual, DEFAULT_MODE)
-
- @patch("black.dump_to_file", dump_to_stderr)
- def test_trailing_comma_optional_parens_stability1_pass2(self) -> None:
- source, _expected = read_data("trailing_comma_optional_parens1")
- actual = fs(fs(source)) # this is what `format_file_contents` does with --safe
- black.assert_stable(source, actual, DEFAULT_MODE)
-
- @patch("black.dump_to_file", dump_to_stderr)
- def test_trailing_comma_optional_parens_stability2_pass2(self) -> None:
- source, _expected = read_data("trailing_comma_optional_parens2")
- actual = fs(fs(source)) # this is what `format_file_contents` does with --safe
- black.assert_stable(source, actual, DEFAULT_MODE)
-
- @patch("black.dump_to_file", dump_to_stderr)
- def test_trailing_comma_optional_parens_stability3_pass2(self) -> None:
- source, _expected = read_data("trailing_comma_optional_parens3")
- actual = fs(fs(source)) # this is what `format_file_contents` does with --safe
- black.assert_stable(source, actual, DEFAULT_MODE)
-
def test_pep_572_version_detection(self) -> None:
source, _ = read_data("pep_572")
root = black.lib2to3_parse(source)
# Multi file command.
self.invokeBlack([str(src1), str(src2), "--diff", "--check"], exit_code=1)
- def test_no_files(self) -> None:
+ def test_no_src_fails(self) -> None:
+ with cache_dir():
+ self.invokeBlack([], exit_code=1)
+
+ def test_src_and_code_fails(self) -> None:
with cache_dir():
- # Without an argument, black exits with error code 0.
- self.invokeBlack([])
+ self.invokeBlack([".", "-c", "0"], exit_code=1)
def test_broken_symlink(self) -> None:
with cache_dir() as workspace:
def test_required_version_matches_version(self) -> None:
self.invokeBlack(
- ["--required-version", black.__version__], exit_code=0, ignore_config=True
+ ["--required-version", black.__version__, "-c", "0"],
+ exit_code=0,
+ ignore_config=True,
)
def test_required_version_does_not_match_version(self) -> None:
- self.invokeBlack(
- ["--required-version", "20.99b"], exit_code=1, ignore_config=True
+ result = BlackRunner().invoke(
+ black.main,
+ ["--required-version", "20.99b", "-c", "0"],
)
+ self.assertEqual(result.exit_code, 1)
+ self.assertIn("required version", result.stderr)
def test_preserves_line_endings(self) -> None:
with TemporaryDirectory() as workspace: