+ def test_root_logger_not_used_directly(self) -> None:
+ def fail(*args: Any, **kwargs: Any) -> None:
+ self.fail("Record created with root logger")
+
+ with patch.multiple(
+ logging.root,
+ debug=fail,
+ info=fail,
+ warning=fail,
+ error=fail,
+ critical=fail,
+ log=fail,
+ ):
+ ff(THIS_DIR / "util.py")
+
+ def test_invalid_config_return_code(self) -> None:
+ tmp_file = Path(black.dump_to_file())
+ try:
+ tmp_config = Path(black.dump_to_file())
+ tmp_config.unlink()
+ args = ["--config", str(tmp_config), str(tmp_file)]
+ self.invokeBlack(args, exit_code=2, ignore_config=False)
+ finally:
+ tmp_file.unlink()
+
+ def test_parse_pyproject_toml(self) -> None:
+ test_toml_file = THIS_DIR / "test.toml"
+ config = black.parse_pyproject_toml(str(test_toml_file))
+ self.assertEqual(config["verbose"], 1)
+ self.assertEqual(config["check"], "no")
+ self.assertEqual(config["diff"], "y")
+ self.assertEqual(config["color"], True)
+ self.assertEqual(config["line_length"], 79)
+ self.assertEqual(config["target_version"], ["py36", "py37", "py38"])
+ self.assertEqual(config["python_cell_magics"], ["custom1", "custom2"])
+ self.assertEqual(config["exclude"], r"\.pyi?$")
+ self.assertEqual(config["include"], r"\.py?$")
+
+ def test_parse_pyproject_toml_project_metadata(self) -> None:
+ for test_toml, expected in [
+ ("only_black_pyproject.toml", ["py310"]),
+ ("only_metadata_pyproject.toml", ["py37", "py38", "py39", "py310"]),
+ ("neither_pyproject.toml", None),
+ ("both_pyproject.toml", ["py310"]),
+ ]:
+ test_toml_file = THIS_DIR / "data" / "project_metadata" / test_toml
+ config = black.parse_pyproject_toml(str(test_toml_file))
+ self.assertEqual(config.get("target_version"), expected)
+
+ def test_infer_target_version(self) -> None:
+ for version, expected in [
+ ("3.6", [TargetVersion.PY36]),
+ ("3.11.0rc1", [TargetVersion.PY311]),
+ (">=3.10", [TargetVersion.PY310, TargetVersion.PY311, TargetVersion.PY312]),
+ (
+ ">=3.10.6",
+ [TargetVersion.PY310, TargetVersion.PY311, TargetVersion.PY312],
+ ),
+ ("<3.6", [TargetVersion.PY33, TargetVersion.PY34, TargetVersion.PY35]),
+ (">3.7,<3.10", [TargetVersion.PY38, TargetVersion.PY39]),
+ (
+ ">3.7,!=3.8,!=3.9",
+ [TargetVersion.PY310, TargetVersion.PY311, TargetVersion.PY312],
+ ),
+ (
+ "> 3.9.4, != 3.10.3",
+ [
+ TargetVersion.PY39,
+ TargetVersion.PY310,
+ TargetVersion.PY311,
+ TargetVersion.PY312,
+ ],
+ ),
+ (
+ "!=3.3,!=3.4",
+ [
+ TargetVersion.PY35,
+ TargetVersion.PY36,
+ TargetVersion.PY37,
+ TargetVersion.PY38,
+ TargetVersion.PY39,
+ TargetVersion.PY310,
+ TargetVersion.PY311,
+ TargetVersion.PY312,
+ ],
+ ),
+ (
+ "==3.*",
+ [
+ TargetVersion.PY33,
+ TargetVersion.PY34,
+ TargetVersion.PY35,
+ TargetVersion.PY36,
+ TargetVersion.PY37,
+ TargetVersion.PY38,
+ TargetVersion.PY39,
+ TargetVersion.PY310,
+ TargetVersion.PY311,
+ TargetVersion.PY312,
+ ],
+ ),
+ ("==3.8.*", [TargetVersion.PY38]),
+ (None, None),
+ ("", None),
+ ("invalid", None),
+ ("==invalid", None),
+ (">3.9,!=invalid", None),
+ ("3", None),
+ ("3.2", None),
+ ("2.7.18", None),
+ ("==2.7", None),
+ (">3.10,<3.11", None),
+ ]:
+ test_toml = {"project": {"requires-python": version}}
+ result = black.files.infer_target_version(test_toml)
+ self.assertEqual(result, expected)
+
+ def test_read_pyproject_toml(self) -> None:
+ test_toml_file = THIS_DIR / "test.toml"
+ fake_ctx = FakeContext()
+ black.read_pyproject_toml(fake_ctx, FakeParameter(), str(test_toml_file))
+ config = fake_ctx.default_map
+ self.assertEqual(config["verbose"], "1")
+ self.assertEqual(config["check"], "no")
+ self.assertEqual(config["diff"], "y")
+ self.assertEqual(config["color"], "True")
+ self.assertEqual(config["line_length"], "79")
+ self.assertEqual(config["target_version"], ["py36", "py37", "py38"])
+ self.assertEqual(config["exclude"], r"\.pyi?$")
+ self.assertEqual(config["include"], r"\.py?$")
+
+ def test_read_pyproject_toml_from_stdin(self) -> None:
+ with TemporaryDirectory() as workspace:
+ root = Path(workspace)
+
+ src_dir = root / "src"
+ src_dir.mkdir()
+
+ src_pyproject = src_dir / "pyproject.toml"
+ src_pyproject.touch()
+
+ test_toml_content = (THIS_DIR / "test.toml").read_text(encoding="utf-8")
+ src_pyproject.write_text(test_toml_content, encoding="utf-8")
+
+ src_python = src_dir / "foo.py"
+ src_python.touch()
+
+ fake_ctx = FakeContext()
+ fake_ctx.params["src"] = ("-",)
+ fake_ctx.params["stdin_filename"] = str(src_python)
+
+ with change_directory(root):
+ black.read_pyproject_toml(fake_ctx, FakeParameter(), None)
+
+ config = fake_ctx.default_map
+ self.assertEqual(config["verbose"], "1")
+ self.assertEqual(config["check"], "no")
+ self.assertEqual(config["diff"], "y")
+ self.assertEqual(config["color"], "True")
+ self.assertEqual(config["line_length"], "79")
+ self.assertEqual(config["target_version"], ["py36", "py37", "py38"])
+ self.assertEqual(config["exclude"], r"\.pyi?$")
+ self.assertEqual(config["include"], r"\.py?$")
+
+ @pytest.mark.incompatible_with_mypyc
+ def test_find_project_root(self) -> None:
+ with TemporaryDirectory() as workspace:
+ root = Path(workspace)
+ test_dir = root / "test"
+ test_dir.mkdir()
+
+ src_dir = root / "src"
+ src_dir.mkdir()
+
+ root_pyproject = root / "pyproject.toml"
+ root_pyproject.touch()
+ src_pyproject = src_dir / "pyproject.toml"
+ src_pyproject.touch()
+ src_python = src_dir / "foo.py"
+ src_python.touch()
+
+ self.assertEqual(
+ black.find_project_root((src_dir, test_dir)),
+ (root.resolve(), "pyproject.toml"),
+ )
+ self.assertEqual(
+ black.find_project_root((src_dir,)),
+ (src_dir.resolve(), "pyproject.toml"),
+ )
+ self.assertEqual(
+ black.find_project_root((src_python,)),
+ (src_dir.resolve(), "pyproject.toml"),
+ )
+
+ with change_directory(test_dir):
+ self.assertEqual(
+ black.find_project_root(("-",), stdin_filename="../src/a.py"),
+ (src_dir.resolve(), "pyproject.toml"),
+ )
+
+ @patch(
+ "black.files.find_user_pyproject_toml",
+ )
+ def test_find_pyproject_toml(self, find_user_pyproject_toml: MagicMock) -> None:
+ find_user_pyproject_toml.side_effect = RuntimeError()
+
+ with redirect_stderr(io.StringIO()) as stderr:
+ result = black.files.find_pyproject_toml(
+ path_search_start=(str(Path.cwd().root),)
+ )
+
+ assert result is None
+ err = stderr.getvalue()
+ assert "Ignoring user configuration" in err
+
+ @patch(
+ "black.files.find_user_pyproject_toml",
+ black.files.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.files.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.files.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.files.find_user_pyproject_toml(), user_config_path.resolve()
+ )
+
+ def test_bpo_33660_workaround(self) -> None:
+ if system() == "Windows":
+ return
+
+ # https://bugs.python.org/issue33660
+ root = Path("/")
+ with change_directory(root):
+ path = Path("workspace") / "project"
+ report = black.Report(verbose=True)
+ normalized_path = black.normalize_path_maybe_ignore(path, root, report)
+ self.assertEqual(normalized_path, "workspace/project")
+
+ def test_normalize_path_ignore_windows_junctions_outside_of_root(self) -> None:
+ if system() != "Windows":
+ return
+
+ with TemporaryDirectory() as workspace:
+ root = Path(workspace)
+ junction_dir = root / "junction"
+ junction_target_outside_of_root = root / ".."
+ os.system(f"mklink /J {junction_dir} {junction_target_outside_of_root}")
+
+ report = black.Report(verbose=True)
+ normalized_path = black.normalize_path_maybe_ignore(
+ junction_dir, root, report
+ )
+ # Manually delete for Python < 3.8
+ os.system(f"rmdir {junction_dir}")
+
+ self.assertEqual(normalized_path, None)
+
+ 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("miscellaneous", "missing_final_newline")
+ # read_data adds a trailing newline
+ source = source.rstrip()
+ expected, _ = read_data("miscellaneous", "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)
+
+ @staticmethod
+ def compare_results(
+ result: click.testing.Result, expected_value: str, expected_exit_code: int
+ ) -> None:
+ """Helper method to test the value and exit code of a click Result."""
+ assert (
+ result.output == expected_value
+ ), "The output did not match the expected value."
+ assert result.exit_code == expected_exit_code, "The exit code is incorrect."
+
+ def test_code_option(self) -> None:
+ """Test the code option with no changes."""
+ code = 'print("Hello world")\n'
+ args = ["--code", code]
+ result = CliRunner().invoke(black.main, args)
+
+ self.compare_results(result, code, 0)
+
+ def test_code_option_changed(self) -> None:
+ """Test the code option when changes are required."""
+ code = "print('hello world')"
+ formatted = black.format_str(code, mode=DEFAULT_MODE)
+
+ args = ["--code", code]
+ result = CliRunner().invoke(black.main, args)
+
+ self.compare_results(result, formatted, 0)
+
+ def test_code_option_check(self) -> None:
+ """Test the code option when check is passed."""
+ args = ["--check", "--code", 'print("Hello world")\n']
+ result = CliRunner().invoke(black.main, args)
+ self.compare_results(result, "", 0)
+
+ def test_code_option_check_changed(self) -> None:
+ """Test the code option when changes are required, and check is passed."""
+ args = ["--check", "--code", "print('hello world')"]
+ result = CliRunner().invoke(black.main, args)
+ self.compare_results(result, "", 1)
+
+ def test_code_option_diff(self) -> None:
+ """Test the code option when diff is passed."""
+ code = "print('hello world')"
+ formatted = black.format_str(code, mode=DEFAULT_MODE)
+ result_diff = diff(code, formatted, "STDIN", "STDOUT")
+
+ args = ["--diff", "--code", code]
+ result = CliRunner().invoke(black.main, args)
+
+ # Remove time from diff
+ output = DIFF_TIME.sub("", result.output)
+
+ assert output == result_diff, "The output did not match the expected value."
+ assert result.exit_code == 0, "The exit code is incorrect."
+
+ def test_code_option_color_diff(self) -> None:
+ """Test the code option when color and diff are passed."""
+ code = "print('hello world')"
+ formatted = black.format_str(code, mode=DEFAULT_MODE)
+
+ result_diff = diff(code, formatted, "STDIN", "STDOUT")
+ result_diff = color_diff(result_diff)
+
+ args = ["--diff", "--color", "--code", code]
+ result = CliRunner().invoke(black.main, args)
+
+ # Remove time from diff
+ output = DIFF_TIME.sub("", result.output)
+
+ assert output == result_diff, "The output did not match the expected value."
+ assert result.exit_code == 0, "The exit code is incorrect."
+
+ @pytest.mark.incompatible_with_mypyc
+ def test_code_option_safe(self) -> None:
+ """Test that the code option throws an error when the sanity checks fail."""
+ # Patch black.assert_equivalent to ensure the sanity checks fail
+ with patch.object(black, "assert_equivalent", side_effect=AssertionError):
+ code = 'print("Hello world")'
+ error_msg = f"{code}\nerror: cannot format <string>: \n"
+
+ args = ["--safe", "--code", code]
+ result = CliRunner().invoke(black.main, args)
+
+ self.compare_results(result, error_msg, 123)
+
+ def test_code_option_fast(self) -> None:
+ """Test that the code option ignores errors when the sanity checks fail."""
+ # Patch black.assert_equivalent to ensure the sanity checks fail
+ with patch.object(black, "assert_equivalent", side_effect=AssertionError):
+ code = 'print("Hello world")'
+ formatted = black.format_str(code, mode=DEFAULT_MODE)
+
+ args = ["--fast", "--code", code]
+ result = CliRunner().invoke(black.main, args)
+
+ self.compare_results(result, formatted, 0)
+
+ @pytest.mark.incompatible_with_mypyc
+ def test_code_option_config(self) -> None:
+ """
+ Test that the code option finds the pyproject.toml in the current directory.
+ """
+ with patch.object(black, "parse_pyproject_toml", return_value={}) as parse:
+ args = ["--code", "print"]
+ # This is the only directory known to contain a pyproject.toml
+ with change_directory(PROJECT_ROOT):
+ CliRunner().invoke(black.main, args)
+ pyproject_path = Path(Path.cwd(), "pyproject.toml").resolve()
+
+ assert (
+ len(parse.mock_calls) >= 1
+ ), "Expected config parse to be called with the current directory."
+
+ _, call_args, _ = parse.mock_calls[0]
+ assert (
+ call_args[0].lower() == str(pyproject_path).lower()
+ ), "Incorrect config loaded."
+
+ @pytest.mark.incompatible_with_mypyc
+ def test_code_option_parent_config(self) -> None:
+ """
+ Test that the code option finds the pyproject.toml in the parent directory.
+ """
+ with patch.object(black, "parse_pyproject_toml", return_value={}) as parse:
+ with change_directory(THIS_DIR):
+ args = ["--code", "print"]
+ CliRunner().invoke(black.main, args)
+
+ pyproject_path = Path(Path().cwd().parent, "pyproject.toml").resolve()
+ assert (
+ len(parse.mock_calls) >= 1
+ ), "Expected config parse to be called with the current directory."
+
+ _, call_args, _ = parse.mock_calls[0]
+ assert (
+ call_args[0].lower() == str(pyproject_path).lower()
+ ), "Incorrect config loaded."
+
+ def test_for_handled_unexpected_eof_error(self) -> None:
+ """
+ Test that an unexpected EOF SyntaxError is nicely presented.
+ """
+ with pytest.raises(black.parsing.InvalidInput) as exc_info:
+ black.lib2to3_parse("print(", {})
+
+ exc_info.match("Cannot parse: 2:0: EOF in multi-line statement")
+
+ def test_equivalency_ast_parse_failure_includes_error(self) -> None:
+ with pytest.raises(AssertionError) as err:
+ black.assert_equivalent("a«»a = 1", "a«»a = 1")
+
+ err.match("--safe")
+ # Unfortunately the SyntaxError message has changed in newer versions so we
+ # can't match it directly.
+ err.match("invalid character")
+ err.match(r"\(<unknown>, line 1\)")
+
+
+class TestCaching:
+ def test_get_cache_dir(
+ self,
+ tmp_path: Path,
+ monkeypatch: pytest.MonkeyPatch,
+ ) -> None:
+ # Create multiple cache directories
+ workspace1 = tmp_path / "ws1"
+ workspace1.mkdir()
+ workspace2 = tmp_path / "ws2"
+ workspace2.mkdir()
+
+ # Force user_cache_dir to use the temporary directory for easier assertions
+ patch_user_cache_dir = patch(
+ target="black.cache.user_cache_dir",
+ autospec=True,
+ return_value=str(workspace1),
+ )
+
+ # If BLACK_CACHE_DIR is not set, use user_cache_dir
+ monkeypatch.delenv("BLACK_CACHE_DIR", raising=False)
+ with patch_user_cache_dir:
+ assert get_cache_dir() == workspace1
+
+ # If it is set, use the path provided in the env var.
+ monkeypatch.setenv("BLACK_CACHE_DIR", str(workspace2))
+ assert get_cache_dir() == workspace2
+
+ def test_cache_broken_file(self) -> None:
+ mode = DEFAULT_MODE
+ with cache_dir() as workspace:
+ cache_file = get_cache_file(mode)
+ cache_file.write_text("this is not a pickle", encoding="utf-8")
+ assert black.Cache.read(mode).file_data == {}
+ src = (workspace / "test.py").resolve()
+ src.write_text("print('hello')", encoding="utf-8")
+ invokeBlack([str(src)])
+ cache = black.Cache.read(mode)
+ assert not cache.is_changed(src)
+
+ def test_cache_single_file_already_cached(self) -> None:
+ mode = DEFAULT_MODE
+ with cache_dir() as workspace:
+ src = (workspace / "test.py").resolve()
+ src.write_text("print('hello')", encoding="utf-8")
+ cache = black.Cache.read(mode)
+ cache.write([src])
+ invokeBlack([str(src)])
+ assert src.read_text(encoding="utf-8") == "print('hello')"
+
+ @event_loop()
+ def test_cache_multiple_files(self) -> None:
+ mode = DEFAULT_MODE
+ with cache_dir() as workspace, patch(
+ "concurrent.futures.ProcessPoolExecutor", new=ThreadPoolExecutor
+ ):
+ one = (workspace / "one.py").resolve()
+ one.write_text("print('hello')", encoding="utf-8")
+ two = (workspace / "two.py").resolve()
+ two.write_text("print('hello')", encoding="utf-8")
+ cache = black.Cache.read(mode)
+ cache.write([one])
+ invokeBlack([str(workspace)])
+ assert one.read_text(encoding="utf-8") == "print('hello')"
+ assert two.read_text(encoding="utf-8") == 'print("hello")\n'
+ cache = black.Cache.read(mode)
+ assert not cache.is_changed(one)
+ assert not cache.is_changed(two)
+
+ @pytest.mark.incompatible_with_mypyc
+ @pytest.mark.parametrize("color", [False, True], ids=["no-color", "with-color"])
+ def test_no_cache_when_writeback_diff(self, color: bool) -> None:
+ mode = DEFAULT_MODE
+ with cache_dir() as workspace:
+ src = (workspace / "test.py").resolve()
+ src.write_text("print('hello')", encoding="utf-8")
+ with patch.object(black.Cache, "read") as read_cache, patch.object(
+ black.Cache, "write"
+ ) as write_cache:
+ cmd = [str(src), "--diff"]
+ if color:
+ cmd.append("--color")
+ invokeBlack(cmd)
+ cache_file = get_cache_file(mode)
+ assert cache_file.exists() is False
+ read_cache.assert_called_once()
+ write_cache.assert_not_called()
+
+ @pytest.mark.parametrize("color", [False, True], ids=["no-color", "with-color"])
+ @event_loop()
+ def test_output_locking_when_writeback_diff(self, color: bool) -> None:
+ with cache_dir() as workspace:
+ for tag in range(0, 4):
+ src = (workspace / f"test{tag}.py").resolve()
+ src.write_text("print('hello')", encoding="utf-8")
+ with patch(
+ "black.concurrency.Manager", wraps=multiprocessing.Manager
+ ) as mgr:
+ cmd = ["--diff", str(workspace)]
+ if color:
+ cmd.append("--color")
+ invokeBlack(cmd, exit_code=0)
+ # this isn't quite doing what we want, but if it _isn't_
+ # called then we cannot be using the lock it provides
+ mgr.assert_called()
+
+ def test_no_cache_when_stdin(self) -> None:
+ mode = DEFAULT_MODE
+ with cache_dir():
+ result = CliRunner().invoke(
+ black.main, ["-"], input=BytesIO(b"print('hello')")
+ )
+ assert not result.exit_code
+ cache_file = get_cache_file(mode)
+ assert not cache_file.exists()
+
+ def test_read_cache_no_cachefile(self) -> None:
+ mode = DEFAULT_MODE
+ with cache_dir():
+ assert black.Cache.read(mode).file_data == {}
+
+ def test_write_cache_read_cache(self) -> None:
+ mode = DEFAULT_MODE
+ with cache_dir() as workspace:
+ src = (workspace / "test.py").resolve()
+ src.touch()
+ write_cache = black.Cache.read(mode)
+ write_cache.write([src])
+ read_cache = black.Cache.read(mode)
+ assert not read_cache.is_changed(src)
+
+ @pytest.mark.incompatible_with_mypyc
+ def test_filter_cached(self) -> None:
+ with TemporaryDirectory() as workspace:
+ path = Path(workspace)
+ uncached = (path / "uncached").resolve()
+ cached = (path / "cached").resolve()
+ cached_but_changed = (path / "changed").resolve()
+ uncached.touch()
+ cached.touch()
+ cached_but_changed.touch()
+ cache = black.Cache.read(DEFAULT_MODE)
+
+ orig_func = black.Cache.get_file_data
+
+ def wrapped_func(path: Path) -> FileData:
+ if path == cached:
+ return orig_func(path)
+ if path == cached_but_changed:
+ return FileData(0.0, 0, "")
+ raise AssertionError
+
+ with patch.object(black.Cache, "get_file_data", side_effect=wrapped_func):
+ cache.write([cached, cached_but_changed])
+ todo, done = cache.filtered_cached({uncached, cached, cached_but_changed})
+ assert todo == {uncached, cached_but_changed}
+ assert done == {cached}
+
+ def test_filter_cached_hash(self) -> None:
+ with TemporaryDirectory() as workspace:
+ path = Path(workspace)
+ src = (path / "test.py").resolve()
+ src.write_text("print('hello')", encoding="utf-8")
+ st = src.stat()
+ cache = black.Cache.read(DEFAULT_MODE)
+ cache.write([src])
+ cached_file_data = cache.file_data[str(src)]
+
+ todo, done = cache.filtered_cached([src])
+ assert todo == set()
+ assert done == {src}
+ assert cached_file_data.st_mtime == st.st_mtime
+
+ # Modify st_mtime
+ cached_file_data = cache.file_data[str(src)] = FileData(
+ cached_file_data.st_mtime - 1,
+ cached_file_data.st_size,
+ cached_file_data.hash,
+ )
+ todo, done = cache.filtered_cached([src])
+ assert todo == set()
+ assert done == {src}
+ assert cached_file_data.st_mtime < st.st_mtime
+ assert cached_file_data.st_size == st.st_size
+ assert cached_file_data.hash == black.Cache.hash_digest(src)
+
+ # Modify contents
+ src.write_text("print('hello world')", encoding="utf-8")
+ new_st = src.stat()
+ todo, done = cache.filtered_cached([src])
+ assert todo == {src}
+ assert done == set()
+ assert cached_file_data.st_mtime < new_st.st_mtime
+ assert cached_file_data.st_size != new_st.st_size
+ assert cached_file_data.hash != black.Cache.hash_digest(src)
+
+ def test_write_cache_creates_directory_if_needed(self) -> None:
+ mode = DEFAULT_MODE
+ with cache_dir(exists=False) as workspace:
+ assert not workspace.exists()
+ cache = black.Cache.read(mode)
+ cache.write([])
+ assert workspace.exists()
+
+ @event_loop()
+ def test_failed_formatting_does_not_get_cached(self) -> None:
+ mode = DEFAULT_MODE
+ with cache_dir() as workspace, patch(
+ "concurrent.futures.ProcessPoolExecutor", new=ThreadPoolExecutor
+ ):
+ failing = (workspace / "failing.py").resolve()
+ failing.write_text("not actually python", encoding="utf-8")
+ clean = (workspace / "clean.py").resolve()
+ clean.write_text('print("hello")\n', encoding="utf-8")
+ invokeBlack([str(workspace)], exit_code=123)
+ cache = black.Cache.read(mode)
+ assert cache.is_changed(failing)
+ assert not cache.is_changed(clean)
+
+ def test_write_cache_write_fail(self) -> None:
+ mode = DEFAULT_MODE
+ with cache_dir():
+ cache = black.Cache.read(mode)
+ with patch.object(Path, "open") as mock:
+ mock.side_effect = OSError
+ cache.write([])
+
+ def test_read_cache_line_lengths(self) -> None:
+ mode = DEFAULT_MODE
+ short_mode = replace(DEFAULT_MODE, line_length=1)
+ with cache_dir() as workspace:
+ path = (workspace / "file.py").resolve()
+ path.touch()
+ cache = black.Cache.read(mode)
+ cache.write([path])
+ one = black.Cache.read(mode)
+ assert not one.is_changed(path)
+ two = black.Cache.read(short_mode)
+ assert two.is_changed(path)
+
+
+def assert_collected_sources(
+ src: Sequence[Union[str, Path]],
+ expected: Sequence[Union[str, Path]],
+ *,
+ root: Optional[Path] = None,
+ exclude: Optional[str] = None,
+ include: Optional[str] = None,
+ extend_exclude: Optional[str] = None,
+ force_exclude: Optional[str] = None,
+ stdin_filename: Optional[str] = None,
+) -> None:
+ gs_src = tuple(str(Path(s)) for s in src)
+ gs_expected = [Path(s) for s in expected]
+ gs_exclude = None if exclude is None else compile_pattern(exclude)
+ gs_include = DEFAULT_INCLUDE if include is None else compile_pattern(include)
+ gs_extend_exclude = (
+ None if extend_exclude is None else compile_pattern(extend_exclude)
+ )
+ gs_force_exclude = None if force_exclude is None else compile_pattern(force_exclude)
+ collected = black.get_sources(
+ root=root or THIS_DIR,
+ src=gs_src,
+ quiet=False,
+ verbose=False,
+ include=gs_include,
+ exclude=gs_exclude,
+ extend_exclude=gs_extend_exclude,
+ force_exclude=gs_force_exclude,
+ report=black.Report(),
+ stdin_filename=stdin_filename,
+ )
+ assert sorted(collected) == sorted(gs_expected)
+
+
+class TestFileCollection:
+ def test_include_exclude(self) -> None:
+ path = THIS_DIR / "data" / "include_exclude_tests"
+ src = [path]
+ expected = [
+ Path(path / "b/dont_exclude/a.py"),
+ Path(path / "b/dont_exclude/a.pyi"),
+ ]
+ assert_collected_sources(
+ src,
+ expected,
+ include=r"\.pyi?$",
+ exclude=r"/exclude/|/\.definitely_exclude/",
+ )
+
+ def test_gitignore_used_as_default(self) -> None:
+ base = Path(DATA_DIR / "include_exclude_tests")
+ expected = [
+ base / "b/.definitely_exclude/a.py",
+ base / "b/.definitely_exclude/a.pyi",
+ ]
+ src = [base / "b/"]
+ assert_collected_sources(src, expected, root=base, extend_exclude=r"/exclude/")
+
+ def test_gitignore_used_on_multiple_sources(self) -> None:
+ root = Path(DATA_DIR / "gitignore_used_on_multiple_sources")
+ expected = [
+ root / "dir1" / "b.py",
+ root / "dir2" / "b.py",
+ ]
+ src = [root / "dir1", root / "dir2"]
+ assert_collected_sources(src, expected, root=root)
+
+ @patch("black.find_project_root", lambda *args: (THIS_DIR.resolve(), None))
+ def test_exclude_for_issue_1572(self) -> None:
+ # Exclude shouldn't touch files that were explicitly given to Black through the
+ # CLI. Exclude is supposed to only apply to the recursive discovery of files.
+ # https://github.com/psf/black/issues/1572
+ path = DATA_DIR / "include_exclude_tests"
+ src = [path / "b/exclude/a.py"]
+ expected = [path / "b/exclude/a.py"]
+ assert_collected_sources(src, expected, include="", exclude=r"/exclude/|a\.py")
+
+ def test_gitignore_exclude(self) -> None:
+ path = THIS_DIR / "data" / "include_exclude_tests"
+ include = re.compile(r"\.pyi?$")
+ exclude = re.compile(r"")
+ report = black.Report()
+ gitignore = PathSpec.from_lines(
+ "gitwildmatch", ["exclude/", ".definitely_exclude"]
+ )
+ sources: List[Path] = []
+ expected = [
+ Path(path / "b/dont_exclude/a.py"),
+ Path(path / "b/dont_exclude/a.pyi"),
+ ]
+ this_abs = THIS_DIR.resolve()
+ sources.extend(
+ black.gen_python_files(
+ path.iterdir(),
+ this_abs,
+ include,
+ exclude,
+ None,
+ None,
+ report,
+ {path: gitignore},
+ verbose=False,
+ quiet=False,
+ )
+ )
+ assert sorted(expected) == sorted(sources)
+
+ def test_nested_gitignore(self) -> None:
+ path = Path(THIS_DIR / "data" / "nested_gitignore_tests")
+ include = re.compile(r"\.pyi?$")
+ exclude = re.compile(r"")
+ root_gitignore = black.files.get_gitignore(path)
+ report = black.Report()
+ expected: List[Path] = [
+ Path(path / "x.py"),
+ Path(path / "root/b.py"),
+ Path(path / "root/c.py"),
+ Path(path / "root/child/c.py"),
+ ]
+ this_abs = THIS_DIR.resolve()
+ sources = list(
+ black.gen_python_files(
+ path.iterdir(),
+ this_abs,
+ include,
+ exclude,
+ None,
+ None,
+ report,
+ {path: root_gitignore},
+ verbose=False,
+ quiet=False,
+ )
+ )
+ assert sorted(expected) == sorted(sources)
+
+ def test_nested_gitignore_directly_in_source_directory(self) -> None:
+ # https://github.com/psf/black/issues/2598
+ path = Path(DATA_DIR / "nested_gitignore_tests")
+ src = Path(path / "root" / "child")
+ expected = [src / "a.py", src / "c.py"]
+ assert_collected_sources([src], expected)
+
+ def test_invalid_gitignore(self) -> None:
+ path = THIS_DIR / "data" / "invalid_gitignore_tests"
+ empty_config = path / "pyproject.toml"
+ result = BlackRunner().invoke(
+ black.main, ["--verbose", "--config", str(empty_config), str(path)]
+ )
+ assert result.exit_code == 1
+ assert result.stderr_bytes is not None
+
+ gitignore = path / ".gitignore"
+ assert f"Could not parse {gitignore}" in result.stderr_bytes.decode()
+
+ def test_invalid_nested_gitignore(self) -> None:
+ path = THIS_DIR / "data" / "invalid_nested_gitignore_tests"
+ empty_config = path / "pyproject.toml"
+ result = BlackRunner().invoke(
+ black.main, ["--verbose", "--config", str(empty_config), str(path)]
+ )
+ assert result.exit_code == 1
+ assert result.stderr_bytes is not None
+
+ gitignore = path / "a" / ".gitignore"
+ assert f"Could not parse {gitignore}" in result.stderr_bytes.decode()
+
+ def test_gitignore_that_ignores_subfolders(self) -> None:
+ # If gitignore with */* is in root
+ root = Path(DATA_DIR / "ignore_subfolders_gitignore_tests" / "subdir")
+ expected = [root / "b.py"]
+ assert_collected_sources([root], expected, root=root)
+
+ # If .gitignore with */* is nested
+ root = Path(DATA_DIR / "ignore_subfolders_gitignore_tests")
+ expected = [
+ root / "a.py",
+ root / "subdir" / "b.py",
+ ]
+ assert_collected_sources([root], expected, root=root)
+
+ # If command is executed from outer dir
+ root = Path(DATA_DIR / "ignore_subfolders_gitignore_tests")
+ target = root / "subdir"
+ expected = [target / "b.py"]
+ assert_collected_sources([target], expected, root=root)
+
+ def test_empty_include(self) -> None:
+ path = DATA_DIR / "include_exclude_tests"
+ src = [path]
+ expected = [
+ Path(path / "b/exclude/a.pie"),
+ Path(path / "b/exclude/a.py"),
+ Path(path / "b/exclude/a.pyi"),
+ Path(path / "b/dont_exclude/a.pie"),
+ Path(path / "b/dont_exclude/a.py"),
+ Path(path / "b/dont_exclude/a.pyi"),
+ Path(path / "b/.definitely_exclude/a.pie"),
+ Path(path / "b/.definitely_exclude/a.py"),
+ Path(path / "b/.definitely_exclude/a.pyi"),
+ Path(path / ".gitignore"),
+ Path(path / "pyproject.toml"),
+ ]
+ # Setting exclude explicitly to an empty string to block .gitignore usage.
+ assert_collected_sources(src, expected, include="", exclude="")
+
+ def test_extend_exclude(self) -> None:
+ path = DATA_DIR / "include_exclude_tests"
+ src = [path]
+ expected = [
+ Path(path / "b/exclude/a.py"),
+ Path(path / "b/dont_exclude/a.py"),
+ ]
+ assert_collected_sources(
+ src, expected, exclude=r"\.pyi$", extend_exclude=r"\.definitely_exclude"
+ )
+
+ @pytest.mark.incompatible_with_mypyc
+ def test_symlinks(self) -> None:
projects / etc / vim.git / blobdiff