X-Git-Url: https://git.madduck.net/etc/vim.git/blobdiff_plain/e6cd10e7615f4df537e2eaefcf3904a4feecad1f..67d5532c3392280de0ce717a1ab728eca2beb698:/tests/test_black.py?ds=sidebyside diff --git a/tests/test_black.py b/tests/test_black.py index b0cf6ed..8733b7a 100644 --- a/tests/test_black.py +++ b/tests/test_black.py @@ -254,6 +254,24 @@ class BlackTestCase(BlackBaseTestCase): 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) + @patch("black.dump_to_file", dump_to_stderr) def test_pep_572(self) -> None: source, expected = read_data("pep_572") @@ -263,6 +281,15 @@ class BlackTestCase(BlackBaseTestCase): if sys.version_info >= (3, 8): black.assert_equivalent(source, actual) + @patch("black.dump_to_file", dump_to_stderr) + def test_pep_572_remove_parens(self) -> None: + source, expected = read_data("pep_572_remove_parens") + actual = fs(source) + self.assertFormatEqual(expected, actual) + black.assert_stable(source, actual, DEFAULT_MODE) + if sys.version_info >= (3, 8): + black.assert_equivalent(source, actual) + def test_pep_572_version_detection(self) -> None: source, _ = read_data("pep_572") root = black.lib2to3_parse(source) @@ -287,6 +314,7 @@ class BlackTestCase(BlackBaseTestCase): def test_expression_diff(self) -> None: source, _ = read_data("expression.py") + config = THIS_DIR / "data" / "empty_pyproject.toml" expected, _ = read_data("expression.diff") tmp_file = Path(black.dump_to_file(source)) diff_header = re.compile( @@ -294,13 +322,14 @@ class BlackTestCase(BlackBaseTestCase): r"\d\d:\d\d:\d\d\.\d\d\d\d\d\d \+\d\d\d\d" ) try: - result = BlackRunner().invoke(black.main, ["--diff", str(tmp_file)]) + result = BlackRunner().invoke( + black.main, ["--diff", str(tmp_file), f"--config={config}"] + ) self.assertEqual(result.exit_code, 0) finally: os.unlink(tmp_file) actual = result.output actual = diff_header.sub(DETERMINISTIC_HEADER, actual) - actual = actual.rstrip() + "\n" # the diff output has a trailing space if expected != actual: dump = black.dump_to_file(actual) msg = ( @@ -312,11 +341,12 @@ class BlackTestCase(BlackBaseTestCase): def test_expression_diff_with_color(self) -> None: source, _ = read_data("expression.py") + config = THIS_DIR / "data" / "empty_pyproject.toml" expected, _ = read_data("expression.diff") tmp_file = Path(black.dump_to_file(source)) try: result = BlackRunner().invoke( - black.main, ["--diff", "--color", str(tmp_file)] + black.main, ["--diff", "--color", str(tmp_file), f"--config={config}"] ) finally: os.unlink(tmp_file) @@ -395,6 +425,31 @@ class BlackTestCase(BlackBaseTestCase): black.assert_equivalent(source, actual) black.assert_stable(source, actual, mode) + def test_skip_magic_trailing_comma(self) -> None: + source, _ = read_data("expression.py") + expected, _ = read_data("expression_skip_magic_trailing_comma.diff") + tmp_file = Path(black.dump_to_file(source)) + diff_header = re.compile( + rf"{re.escape(str(tmp_file))}\t\d\d\d\d-\d\d-\d\d " + r"\d\d:\d\d:\d\d\.\d\d\d\d\d\d \+\d\d\d\d" + ) + try: + result = BlackRunner().invoke(black.main, ["-C", "--diff", str(tmp_file)]) + self.assertEqual(result.exit_code, 0) + finally: + os.unlink(tmp_file) + actual = result.output + actual = diff_header.sub(DETERMINISTIC_HEADER, actual) + actual = actual.rstrip() + "\n" # the diff output has a trailing space + if expected != actual: + dump = black.dump_to_file(actual) + msg = ( + "Expected diff isn't equal to the actual. If you made changes to" + " expression.py and this is an anticipated difference, overwrite" + f" tests/data/expression_skip_magic_trailing_comma.diff with {dump}" + ) + self.assertEqual(expected, actual, msg) + @patch("black.dump_to_file", dump_to_stderr) def test_python2_print_function(self) -> None: source, expected = read_data("python2_print_function") @@ -978,7 +1033,7 @@ class BlackTestCase(BlackBaseTestCase): fobj.write("print('hello')") self.invokeBlack([str(src)]) cache = black.read_cache(mode) - self.assertIn(src, cache) + self.assertIn(str(src), cache) def test_cache_single_file_already_cached(self) -> None: mode = DEFAULT_MODE @@ -1010,8 +1065,8 @@ class BlackTestCase(BlackBaseTestCase): with two.open("r") as fobj: self.assertEqual(fobj.read(), 'print("hello")\n') cache = black.read_cache(mode) - self.assertIn(one, cache) - self.assertIn(two, cache) + self.assertIn(str(one), cache) + self.assertIn(str(two), cache) def test_no_cache_when_writeback_diff(self) -> None: mode = DEFAULT_MODE @@ -1091,8 +1146,8 @@ class BlackTestCase(BlackBaseTestCase): src.touch() black.write_cache({}, [src], mode) cache = black.read_cache(mode) - self.assertIn(src, cache) - self.assertEqual(cache[src], black.get_cache_info(src)) + self.assertIn(str(src), cache) + self.assertEqual(cache[str(src)], black.get_cache_info(src)) def test_filter_cached(self) -> None: with TemporaryDirectory() as workspace: @@ -1103,7 +1158,10 @@ class BlackTestCase(BlackBaseTestCase): uncached.touch() cached.touch() cached_but_changed.touch() - cache = {cached: black.get_cache_info(cached), cached_but_changed: (0.0, 0)} + cache = { + str(cached): black.get_cache_info(cached), + str(cached_but_changed): (0.0, 0), + } todo, done = black.filter_cached( cache, {uncached, cached, cached_but_changed} ) @@ -1131,8 +1189,8 @@ class BlackTestCase(BlackBaseTestCase): fobj.write('print("hello")\n') self.invokeBlack([str(workspace)], exit_code=123) cache = black.read_cache(mode) - self.assertNotIn(failing, cache) - self.assertIn(clean, cache) + self.assertNotIn(str(failing), cache) + self.assertIn(str(clean), cache) def test_write_cache_write_fail(self) -> None: mode = DEFAULT_MODE @@ -1185,9 +1243,9 @@ class BlackTestCase(BlackBaseTestCase): path.touch() black.write_cache({}, [path], mode) one = black.read_cache(mode) - self.assertIn(path, one) + self.assertIn(str(path), one) two = black.read_cache(short_mode) - self.assertNotIn(path, two) + self.assertNotIn(str(path), two) def test_single_file_force_pyi(self) -> None: pyi_mode = replace(DEFAULT_MODE, is_pyi=True) @@ -1201,9 +1259,9 @@ class BlackTestCase(BlackBaseTestCase): actual = fh.read() # verify cache with --pyi is separate pyi_cache = black.read_cache(pyi_mode) - self.assertIn(path, pyi_cache) + self.assertIn(str(path), pyi_cache) normal_cache = black.read_cache(DEFAULT_MODE) - self.assertNotIn(path, normal_cache) + self.assertNotIn(str(path), normal_cache) self.assertFormatEqual(expected, actual) black.assert_equivalent(contents, actual) black.assert_stable(contents, actual, pyi_mode) @@ -1230,8 +1288,8 @@ class BlackTestCase(BlackBaseTestCase): pyi_cache = black.read_cache(pyi_mode) normal_cache = black.read_cache(reg_mode) for path in paths: - self.assertIn(path, pyi_cache) - self.assertNotIn(path, normal_cache) + self.assertIn(str(path), pyi_cache) + self.assertNotIn(str(path), normal_cache) def test_pipe_force_pyi(self) -> None: source, expected = read_data("force_pyi") @@ -1255,9 +1313,9 @@ class BlackTestCase(BlackBaseTestCase): actual = fh.read() # verify cache with --target-version is separate py36_cache = black.read_cache(py36_mode) - self.assertIn(path, py36_cache) + self.assertIn(str(path), py36_cache) normal_cache = black.read_cache(reg_mode) - self.assertNotIn(path, normal_cache) + self.assertNotIn(str(path), normal_cache) self.assertEqual(actual, expected) @event_loop() @@ -1282,8 +1340,8 @@ class BlackTestCase(BlackBaseTestCase): pyi_cache = black.read_cache(py36_mode) normal_cache = black.read_cache(reg_mode) for path in paths: - self.assertIn(path, pyi_cache) - self.assertNotIn(path, normal_cache) + self.assertIn(str(path), pyi_cache) + self.assertNotIn(str(path), normal_cache) def test_pipe_force_py36(self) -> None: source, expected = read_data("force_py36") @@ -1310,7 +1368,14 @@ class BlackTestCase(BlackBaseTestCase): this_abs = THIS_DIR.resolve() sources.extend( black.gen_python_files( - path.iterdir(), this_abs, include, exclude, None, report, gitignore + path.iterdir(), + this_abs, + include, + exclude, + None, + None, + report, + gitignore, ) ) self.assertEqual(sorted(expected), sorted(sources)) @@ -1332,14 +1397,206 @@ class BlackTestCase(BlackBaseTestCase): src=(src,), quiet=True, verbose=False, - include=include, - exclude=exclude, + include=re.compile(include), + exclude=re.compile(exclude), + extend_exclude=None, + force_exclude=None, + report=report, + stdin_filename=None, + ) + ) + self.assertEqual(sorted(expected), sorted(sources)) + + @patch("black.find_project_root", lambda *args: THIS_DIR.resolve()) + def test_get_sources_with_stdin(self) -> None: + include = "" + exclude = r"/exclude/|a\.py" + src = "-" + report = black.Report() + expected = [Path("-")] + sources = list( + black.get_sources( + ctx=FakeContext(), + src=(src,), + quiet=True, + verbose=False, + include=re.compile(include), + exclude=re.compile(exclude), + extend_exclude=None, + force_exclude=None, + report=report, + stdin_filename=None, + ) + ) + self.assertEqual(sorted(expected), sorted(sources)) + + @patch("black.find_project_root", lambda *args: THIS_DIR.resolve()) + def test_get_sources_with_stdin_filename(self) -> None: + include = "" + exclude = r"/exclude/|a\.py" + src = "-" + report = black.Report() + stdin_filename = str(THIS_DIR / "data/collections.py") + expected = [Path(f"__BLACK_STDIN_FILENAME__{stdin_filename}")] + sources = list( + black.get_sources( + ctx=FakeContext(), + src=(src,), + quiet=True, + verbose=False, + include=re.compile(include), + exclude=re.compile(exclude), + extend_exclude=None, + force_exclude=None, + report=report, + stdin_filename=stdin_filename, + ) + ) + self.assertEqual(sorted(expected), sorted(sources)) + + @patch("black.find_project_root", lambda *args: THIS_DIR.resolve()) + def test_get_sources_with_stdin_filename_and_exclude(self) -> None: + # Exclude shouldn't exclude stdin_filename since it is mimicing the + # file being passed directly. This is the same as + # test_exclude_for_issue_1572 + path = THIS_DIR / "data" / "include_exclude_tests" + include = "" + exclude = r"/exclude/|a\.py" + src = "-" + report = black.Report() + stdin_filename = str(path / "b/exclude/a.py") + expected = [Path(f"__BLACK_STDIN_FILENAME__{stdin_filename}")] + sources = list( + black.get_sources( + ctx=FakeContext(), + src=(src,), + quiet=True, + verbose=False, + include=re.compile(include), + exclude=re.compile(exclude), + extend_exclude=None, + force_exclude=None, + report=report, + stdin_filename=stdin_filename, + ) + ) + self.assertEqual(sorted(expected), sorted(sources)) + + @patch("black.find_project_root", lambda *args: THIS_DIR.resolve()) + def test_get_sources_with_stdin_filename_and_extend_exclude(self) -> None: + # Extend exclude shouldn't exclude stdin_filename since it is mimicking the + # file being passed directly. This is the same as + # test_exclude_for_issue_1572 + path = THIS_DIR / "data" / "include_exclude_tests" + include = "" + extend_exclude = r"/exclude/|a\.py" + src = "-" + report = black.Report() + stdin_filename = str(path / "b/exclude/a.py") + expected = [Path(f"__BLACK_STDIN_FILENAME__{stdin_filename}")] + sources = list( + black.get_sources( + ctx=FakeContext(), + src=(src,), + quiet=True, + verbose=False, + include=re.compile(include), + exclude=re.compile(""), + extend_exclude=re.compile(extend_exclude), force_exclude=None, report=report, + stdin_filename=stdin_filename, ) ) self.assertEqual(sorted(expected), sorted(sources)) + @patch("black.find_project_root", lambda *args: THIS_DIR.resolve()) + def test_get_sources_with_stdin_filename_and_force_exclude(self) -> None: + # Force exclude should exclude the file when passing it through + # stdin_filename + path = THIS_DIR / "data" / "include_exclude_tests" + include = "" + force_exclude = r"/exclude/|a\.py" + src = "-" + report = black.Report() + stdin_filename = str(path / "b/exclude/a.py") + sources = list( + black.get_sources( + ctx=FakeContext(), + src=(src,), + quiet=True, + verbose=False, + include=re.compile(include), + exclude=re.compile(""), + extend_exclude=None, + force_exclude=re.compile(force_exclude), + report=report, + stdin_filename=stdin_filename, + ) + ) + self.assertEqual([], sorted(sources)) + + def test_reformat_one_with_stdin(self) -> None: + with patch( + "black.format_stdin_to_stdout", + return_value=lambda *args, **kwargs: black.Changed.YES, + ) as fsts: + report = MagicMock() + path = Path("-") + black.reformat_one( + path, + fast=True, + write_back=black.WriteBack.YES, + mode=DEFAULT_MODE, + report=report, + ) + fsts.assert_called_once() + report.done.assert_called_with(path, black.Changed.YES) + + def test_reformat_one_with_stdin_filename(self) -> None: + with patch( + "black.format_stdin_to_stdout", + return_value=lambda *args, **kwargs: black.Changed.YES, + ) as fsts: + report = MagicMock() + p = "foo.py" + path = Path(f"__BLACK_STDIN_FILENAME__{p}") + expected = Path(p) + black.reformat_one( + path, + fast=True, + write_back=black.WriteBack.YES, + mode=DEFAULT_MODE, + report=report, + ) + fsts.assert_called_once() + # __BLACK_STDIN_FILENAME__ should have been striped + report.done.assert_called_with(expected, black.Changed.YES) + + def test_reformat_one_with_stdin_and_existing_path(self) -> None: + with patch( + "black.format_stdin_to_stdout", + return_value=lambda *args, **kwargs: black.Changed.YES, + ) as fsts: + report = MagicMock() + # Even with an existing file, since we are forcing stdin, black + # should output to stdout and not modify the file inplace + p = Path(str(THIS_DIR / "data/collections.py")) + # Make sure is_file actually returns True + self.assertTrue(p.is_file()) + path = Path(f"__BLACK_STDIN_FILENAME__{p}") + expected = Path(p) + black.reformat_one( + path, + fast=True, + write_back=black.WriteBack.YES, + mode=DEFAULT_MODE, + report=report, + ) + fsts.assert_called_once() + # __BLACK_STDIN_FILENAME__ should have been striped + report.done.assert_called_with(expected, black.Changed.YES) + def test_gitignore_exclude(self) -> None: path = THIS_DIR / "data" / "include_exclude_tests" include = re.compile(r"\.pyi?$") @@ -1356,7 +1613,14 @@ class BlackTestCase(BlackBaseTestCase): this_abs = THIS_DIR.resolve() sources.extend( black.gen_python_files( - path.iterdir(), this_abs, include, exclude, None, report, gitignore + path.iterdir(), + this_abs, + include, + exclude, + None, + None, + report, + gitignore, ) ) self.assertEqual(sorted(expected), sorted(sources)) @@ -1386,25 +1650,21 @@ class BlackTestCase(BlackBaseTestCase): empty, re.compile(black.DEFAULT_EXCLUDES), None, + None, report, gitignore, ) ) self.assertEqual(sorted(expected), sorted(sources)) - def test_empty_exclude(self) -> None: + def test_extend_exclude(self) -> None: path = THIS_DIR / "data" / "include_exclude_tests" report = black.Report() gitignore = PathSpec.from_lines("gitwildmatch", []) - empty = re.compile(r"") sources: List[Path] = [] expected = [ - Path(path / "b/dont_exclude/a.py"), - Path(path / "b/dont_exclude/a.pyi"), Path(path / "b/exclude/a.py"), - Path(path / "b/exclude/a.pyi"), - Path(path / "b/.definitely_exclude/a.py"), - Path(path / "b/.definitely_exclude/a.pyi"), + Path(path / "b/dont_exclude/a.py"), ] this_abs = THIS_DIR.resolve() sources.extend( @@ -1412,7 +1672,8 @@ class BlackTestCase(BlackBaseTestCase): path.iterdir(), this_abs, re.compile(black.DEFAULT_INCLUDES), - empty, + re.compile(r"\.pyi$"), + re.compile(r"\.definitely_exclude"), None, report, gitignore, @@ -1420,8 +1681,8 @@ class BlackTestCase(BlackBaseTestCase): ) self.assertEqual(sorted(expected), sorted(sources)) - def test_invalid_include_exclude(self) -> None: - for option in ["--include", "--exclude"]: + def test_invalid_cli_regex(self) -> None: + for option in ["--include", "--exclude", "--extend-exclude", "--force-exclude"]: self.invokeBlack(["-", option, "**()(!!*)"], exit_code=2) def test_preserves_line_endings(self) -> None: @@ -1470,7 +1731,14 @@ class BlackTestCase(BlackBaseTestCase): try: list( black.gen_python_files( - path.iterdir(), root, include, exclude, None, report, gitignore + path.iterdir(), + root, + include, + exclude, + None, + None, + report, + gitignore, ) ) except ValueError as ve: @@ -1484,7 +1752,14 @@ class BlackTestCase(BlackBaseTestCase): with self.assertRaises(ValueError): list( black.gen_python_files( - path.iterdir(), root, include, exclude, None, report, gitignore + path.iterdir(), + root, + include, + exclude, + None, + None, + report, + gitignore, ) ) path.iterdir.assert_called() @@ -1589,6 +1864,34 @@ class BlackTestCase(BlackBaseTestCase): self.assertEqual(black.find_project_root((src_dir,)), src_dir.resolve()) self.assertEqual(black.find_project_root((src_python,)), src_dir.resolve()) + @patch("black.find_user_pyproject_toml", black.find_user_pyproject_toml.__wrapped__) + def test_find_user_pyproject_toml_linux(self) -> None: + if system() == "Windows": + return + + # Test if XDG_CONFIG_HOME is checked + with TemporaryDirectory() as workspace: + tmp_user_config = Path(workspace) / "black" + with patch.dict("os.environ", {"XDG_CONFIG_HOME": workspace}): + self.assertEqual( + black.find_user_pyproject_toml(), tmp_user_config.resolve() + ) + + # Test fallback for XDG_CONFIG_HOME + with patch.dict("os.environ"): + os.environ.pop("XDG_CONFIG_HOME", None) + fallback_user_config = Path("~/.config").expanduser() / "black" + self.assertEqual( + black.find_user_pyproject_toml(), fallback_user_config.resolve() + ) + + def test_find_user_pyproject_toml_windows(self) -> None: + if system() != "Windows": + return + + user_config_path = Path.home() / ".black" + self.assertEqual(black.find_user_pyproject_toml(), user_config_path.resolve()) + def test_bpo_33660_workaround(self) -> None: if system() == "Windows": return @@ -1606,6 +1909,53 @@ class BlackTestCase(BlackBaseTestCase): finally: os.chdir(str(old_cwd)) + def test_newline_comment_interaction(self) -> None: + source = "class A:\\\r\n# type: ignore\n pass\n" + output = black.format_str(source, mode=DEFAULT_MODE) + black.assert_stable(source, output, mode=DEFAULT_MODE) + + def test_bpo_2142_workaround(self) -> None: + + # https://bugs.python.org/issue2142 + + source, _ = read_data("missing_final_newline.py") + # read_data adds a trailing newline + source = source.rstrip() + expected, _ = read_data("missing_final_newline.diff") + tmp_file = Path(black.dump_to_file(source, ensure_final_newline=False)) + diff_header = re.compile( + rf"{re.escape(str(tmp_file))}\t\d\d\d\d-\d\d-\d\d " + r"\d\d:\d\d:\d\d\.\d\d\d\d\d\d \+\d\d\d\d" + ) + try: + result = BlackRunner().invoke(black.main, ["--diff", str(tmp_file)]) + self.assertEqual(result.exit_code, 0) + finally: + os.unlink(tmp_file) + actual = result.output + actual = diff_header.sub(DETERMINISTIC_HEADER, actual) + self.assertEqual(actual, expected) + + def test_docstring_reformat_for_py27(self) -> None: + """ + Check that stripping trailing whitespace from Python 2 docstrings + doesn't trigger a "not equivalent to source" error + """ + source = ( + b'def foo():\r\n """Testing\r\n Testing """\r\n print "Foo"\r\n' + ) + expected = 'def foo():\n """Testing\n Testing"""\n print "Foo"\n' + + result = CliRunner().invoke( + black.main, + ["-", "-q", "--target-version=py27"], + input=BytesIO(source), + ) + + self.assertEqual(result.exit_code, 0) + actual = result.output + self.assertFormatEqual(actual, expected) + with open(black.__file__, "r", encoding="utf-8") as _bf: black_source_lines = _bf.readlines()