List,
Optional,
Sequence,
+ Type,
TypeVar,
Union,
)
os.unlink(tmp_file)
self.assertFormatEqual(expected, actual)
+ @patch("black.dump_to_file", dump_to_stderr)
+ def test_one_empty_line(self) -> None:
+ mode = black.Mode(preview=True)
+ for nl in ["\n", "\r\n"]:
+ source = expected = nl
+ assert_format(source, expected, mode=mode)
+
+ def test_one_empty_line_ff(self) -> None:
+ mode = black.Mode(preview=True)
+ for nl in ["\n", "\r\n"]:
+ expected = nl
+ tmp_file = Path(black.dump_to_file(nl))
+ if system() == "Windows":
+ # Writing files in text mode automatically uses the system newline,
+ # but in this case we don't want this for testing reasons. See:
+ # https://github.com/psf/black/pull/3348
+ with open(tmp_file, "wb") as f:
+ f.write(nl.encode("utf-8"))
+ try:
+ self.assertFalse(
+ ff(tmp_file, mode=mode, write_back=black.WriteBack.YES)
+ )
+ with open(tmp_file, "rb") as f:
+ actual = f.read().decode("utf8")
+ finally:
+ 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_format_file_contents(self) -> None:
- empty = ""
mode = DEFAULT_MODE
+ empty = ""
with self.assertRaises(black.NothingChanged):
black.format_file_contents(empty, mode=mode, fast=False)
just_nl = "\n"
black.format_file_contents(invalid, mode=mode, fast=False)
self.assertEqual(str(e.exception), "Cannot parse: 1:7: return if you can")
+ mode = black.Mode(preview=True)
+ just_crlf = "\r\n"
+ with self.assertRaises(black.NothingChanged):
+ black.format_file_contents(just_crlf, mode=mode, fast=False)
+ just_whitespace_nl = "\n\t\n \n\t \n \t\n\n"
+ actual = black.format_file_contents(just_whitespace_nl, mode=mode, fast=False)
+ self.assertEqual("\n", actual)
+ just_whitespace_crlf = "\r\n\t\r\n \r\n\t \r\n \t\r\n\r\n"
+ actual = black.format_file_contents(just_whitespace_crlf, mode=mode, fast=False)
+ self.assertEqual("\r\n", actual)
+
def test_endmarker(self) -> None:
n = black.lib2to3_parse("\n")
self.assertEqual(n.type, black.syms.file_input)
report.done.assert_called_with(expected, black.Changed.YES)
def test_reformat_one_with_stdin_empty(self) -> None:
+ cases = [
+ ("", ""),
+ ("\n", "\n"),
+ ("\r\n", "\r\n"),
+ (" \t", ""),
+ (" \t\n\t ", "\n"),
+ (" \t\r\n\t ", "\r\n"),
+ ]
+
+ def _new_wrapper(
+ output: io.StringIO, io_TextIOWrapper: Type[io.TextIOWrapper]
+ ) -> Callable[[Any, Any], io.TextIOWrapper]:
+ def get_output(*args: Any, **kwargs: Any) -> io.TextIOWrapper:
+ if args == (sys.stdout.buffer,):
+ # It's `format_stdin_to_stdout()` calling `io.TextIOWrapper()`,
+ # return our mock object.
+ return output
+ # It's something else (i.e. `decode_bytes()`) calling
+ # `io.TextIOWrapper()`, pass through to the original implementation.
+ # See discussion in https://github.com/psf/black/pull/2489
+ return io_TextIOWrapper(*args, **kwargs)
+
+ return get_output
+
+ mode = black.Mode(preview=True)
+ for content, expected in cases:
+ output = io.StringIO()
+ io_TextIOWrapper = io.TextIOWrapper
+
+ with patch("io.TextIOWrapper", _new_wrapper(output, io_TextIOWrapper)):
+ try:
+ black.format_stdin_to_stdout(
+ fast=True,
+ content=content,
+ write_back=black.WriteBack.YES,
+ mode=mode,
+ )
+ except io.UnsupportedOperation:
+ pass # StringIO does not support detach
+ assert output.getvalue() == expected
+
+ # An empty string is the only test case for `preview=False`
output = io.StringIO()
- with patch("io.TextIOWrapper", lambda *args, **kwargs: output):
+ io_TextIOWrapper = io.TextIOWrapper
+ with patch("io.TextIOWrapper", _new_wrapper(output, io_TextIOWrapper)):
try:
black.format_stdin_to_stdout(
fast=True,
ctx.obj["root"] = base
assert_collected_sources(src, expected, ctx=ctx, 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",
+ ]
+ ctx = FakeContext()
+ ctx.obj["root"] = root
+ src = [root / "dir1", root / "dir2"]
+ assert_collected_sources(src, expected, ctx=ctx)
+
@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
None,
None,
report,
- gitignore,
+ {path: gitignore},
verbose=False,
quiet=False,
)
None,
None,
report,
- root_gitignore,
+ {path: root_gitignore},
verbose=False,
quiet=False,
)
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"]
+ ctx = FakeContext()
+ ctx.obj["root"] = root
+ assert_collected_sources([root], expected, ctx=ctx)
+
+ # If .gitignore with */* is nested
+ root = Path(DATA_DIR / "ignore_subfolders_gitignore_tests")
+ expected = [
+ root / "a.py",
+ root / "subdir" / "b.py",
+ ]
+ ctx = FakeContext()
+ ctx.obj["root"] = root
+ assert_collected_sources([root], expected, ctx=ctx)
+
+ # If command is executed from outer dir
+ root = Path(DATA_DIR / "ignore_subfolders_gitignore_tests")
+ target = root / "subdir"
+ expected = [target / "b.py"]
+ ctx = FakeContext()
+ ctx.obj["root"] = root
+ assert_collected_sources([target], expected, ctx=ctx)
+
def test_empty_include(self) -> None:
path = DATA_DIR / "include_exclude_tests"
src = [path]
None,
None,
report,
- gitignore,
+ {path: gitignore},
verbose=False,
quiet=False,
)
projects / etc / vim.git / blobdiff