import black.files
from black import Feature, TargetVersion
from black import re_compile_maybe_verbose as compile_pattern
-from black.cache import get_cache_file
+from black.cache import get_cache_dir, get_cache_file
from black.debug import DebugVisitor
from black.output import color_diff, diff
from black.report import Report
def __init__(self) -> None:
self.default_map: Dict[str, Any] = {}
+ # Dummy root, since most of the tests don't care about it
+ self.obj: Dict[str, Any] = {"root": PROJECT_ROOT}
class FakeParameter(click.Parameter):
os.unlink(tmp_file)
self.assertFormatEqual(expected, actual)
+ def test_experimental_string_processing_warns(self) -> None:
+ self.assertWarns(
+ black.mode.Deprecated, black.Mode, experimental_string_processing=True
+ )
+
def test_piping(self) -> None:
source, expected = read_data("src/black/__init__", data=False)
result = BlackRunner().invoke(
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)
@patch("black.dump_to_file", dump_to_stderr)
def test_string_quotes(self) -> None:
source, expected = read_data("string_quotes")
- mode = black.Mode(experimental_string_processing=True)
+ mode = black.Mode(preview=True)
assert_format(source, expected, mode)
mode = replace(mode, string_normalization=False)
not_normalized = fs(source, mode=mode)
self.assertFormatEqual("j = [1, 2, 3]", "j = [1, 2, 3,]")
out_str = "".join(out_lines)
- self.assertTrue("Expected tree:" in out_str)
- self.assertTrue("Actual tree:" in out_str)
+ self.assertIn("Expected tree:", out_str)
+ self.assertIn("Actual tree:", out_str)
self.assertEqual("".join(err_lines), "")
@event_loop()
# 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:
+ def test_required_version_matches_partial_version(self) -> None:
self.invokeBlack(
- ["--required-version", "20.99b"], exit_code=1, ignore_config=True
+ ["--required-version", black.__version__.split(".")[0], "-c", "0"],
+ exit_code=0,
+ ignore_config=True,
)
+ def test_required_version_does_not_match_on_minor_version(self) -> None:
+ self.invokeBlack(
+ ["--required-version", black.__version__.split(".")[0] + ".999", "-c", "0"],
+ exit_code=1,
+ ignore_config=True,
+ )
+
+ def test_required_version_does_not_match_version(self) -> None:
+ 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:
test_file = Path(workspace) / "test.py"
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?$")
self.assertEqual(config["include"], r"\.py?$")
src_python.touch()
self.assertEqual(
- black.find_project_root((src_dir, test_dir)), root.resolve()
+ 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"),
)
- self.assertEqual(black.find_project_root((src_dir,)), src_dir.resolve())
- self.assertEqual(black.find_project_root((src_python,)), src_dir.resolve())
@patch(
"black.files.find_user_pyproject_toml",
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:
src: Sequence[Union[str, Path]],
expected: Sequence[Union[str, Path]],
*,
+ ctx: Optional[FakeContext] = None,
exclude: Optional[str] = None,
include: Optional[str] = None,
extend_exclude: Optional[str] = None,
)
gs_force_exclude = None if force_exclude is None else compile_pattern(force_exclude)
collected = black.get_sources(
- ctx=FakeContext(),
+ ctx=ctx or FakeContext(),
src=gs_src,
quiet=False,
verbose=False,
base / "b/.definitely_exclude/a.pyi",
]
src = [base / "b/"]
- assert_collected_sources(src, expected, extend_exclude=r"/exclude/")
+ ctx = FakeContext()
+ ctx.obj["root"] = base
+ assert_collected_sources(src, expected, ctx=ctx, extend_exclude=r"/exclude/")
- @patch("black.find_project_root", lambda *args: THIS_DIR.resolve())
+ @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.
child.is_symlink.assert_called()
assert child.is_symlink.call_count == 2
- @patch("black.find_project_root", lambda *args: THIS_DIR.resolve())
+ @patch("black.find_project_root", lambda *args: (THIS_DIR.resolve(), None))
def test_get_sources_with_stdin(self) -> None:
src = ["-"]
expected = ["-"]
assert_collected_sources(src, expected, include="", exclude=r"/exclude/|a\.py")
- @patch("black.find_project_root", lambda *args: THIS_DIR.resolve())
+ @patch("black.find_project_root", lambda *args: (THIS_DIR.resolve(), None))
def test_get_sources_with_stdin_filename(self) -> None:
src = ["-"]
stdin_filename = str(THIS_DIR / "data/collections.py")
stdin_filename=stdin_filename,
)
- @patch("black.find_project_root", lambda *args: THIS_DIR.resolve())
+ @patch("black.find_project_root", lambda *args: (THIS_DIR.resolve(), None))
def test_get_sources_with_stdin_filename_and_exclude(self) -> None:
# Exclude shouldn't exclude stdin_filename since it is mimicking the
# file being passed directly. This is the same as
stdin_filename=stdin_filename,
)
- @patch("black.find_project_root", lambda *args: THIS_DIR.resolve())
+ @patch("black.find_project_root", lambda *args: (THIS_DIR.resolve(), None))
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
stdin_filename=stdin_filename,
)
- @patch("black.find_project_root", lambda *args: THIS_DIR.resolve())
+ @patch("black.find_project_root", lambda *args: (THIS_DIR.resolve(), None))
def test_get_sources_with_stdin_filename_and_force_exclude(self) -> None:
# Force exclude should exclude the file when passing it through
# stdin_filename
projects / etc / vim.git / blobdiff