from concurrent.futures import ThreadPoolExecutor
from contextlib import contextmanager
from functools import partial
-from io import StringIO
+from io import BytesIO, TextIOWrapper
import os
from pathlib import Path
import sys
from typing import Any, List, Tuple, Iterator
import unittest
from unittest.mock import patch
+import re
from click import unstyle
from click.testing import CliRunner
source, expected = read_data("../black")
hold_stdin, hold_stdout = sys.stdin, sys.stdout
try:
- sys.stdin, sys.stdout = StringIO(source), StringIO()
- sys.stdin.name = "<stdin>"
+ sys.stdin = TextIOWrapper(BytesIO(source.encode("utf8")), encoding="utf8")
+ sys.stdout = TextIOWrapper(BytesIO(), encoding="utf8")
+ sys.stdin.buffer.name = "<stdin>" # type: ignore
black.format_stdin_to_stdout(
line_length=ll, fast=True, write_back=black.WriteBack.YES
)
expected, _ = read_data("expression.diff")
hold_stdin, hold_stdout = sys.stdin, sys.stdout
try:
- sys.stdin, sys.stdout = StringIO(source), StringIO()
- sys.stdin.name = "<stdin>"
+ sys.stdin = TextIOWrapper(BytesIO(source.encode("utf8")), encoding="utf8")
+ sys.stdout = TextIOWrapper(BytesIO(), encoding="utf8")
+ sys.stdin.buffer.name = "<stdin>" # type: ignore
black.format_stdin_to_stdout(
line_length=ll, fast=True, write_back=black.WriteBack.DIFF
)
tmp_file = Path(black.dump_to_file(source))
hold_stdout = sys.stdout
try:
- sys.stdout = StringIO()
+ sys.stdout = TextIOWrapper(BytesIO(), encoding="utf8")
self.assertTrue(ff(tmp_file, write_back=black.WriteBack.DIFF))
sys.stdout.seek(0)
actual = sys.stdout.read()
self.assertFormatEqual(expected, actual)
black.assert_equivalent(source, actual)
black.assert_stable(source, actual, line_length=ll)
+ mode = black.FileMode.NO_STRING_NORMALIZATION
+ not_normalized = fs(source, mode=mode)
+ self.assertFormatEqual(source, not_normalized)
+ black.assert_equivalent(source, not_normalized)
+ black.assert_stable(source, not_normalized, line_length=ll, mode=mode)
@patch("black.dump_to_file", dump_to_stderr)
def test_slices(self) -> None:
@patch("black.dump_to_file", dump_to_stderr)
def test_stub(self) -> None:
+ mode = black.FileMode.PYI
source, expected = read_data("stub.pyi")
- actual = fs(source, is_pyi=True)
+ actual = fs(source, mode=mode)
self.assertFormatEqual(expected, actual)
- black.assert_stable(source, actual, line_length=ll, is_pyi=True)
+ black.assert_stable(source, actual, line_length=ll, mode=mode)
@patch("black.dump_to_file", dump_to_stderr)
def test_fmtonoff(self) -> None:
black.assert_equivalent(source, actual)
black.assert_stable(source, actual, line_length=ll)
- def test_report(self) -> None:
- report = black.Report()
+ @patch("black.dump_to_file", dump_to_stderr)
+ def test_new_line_between_class_and_code(self) -> None:
+ source, expected = read_data("class_methods_new_line")
+ actual = fs(source)
+ self.assertFormatEqual(expected, actual)
+ black.assert_equivalent(source, actual)
+ black.assert_stable(source, actual, line_length=ll)
+
+ def test_report_verbose(self) -> None:
+ report = black.Report(verbose=True)
out_lines = []
err_lines = []
"2 files failed to reformat.",
)
self.assertEqual(report.return_code, 123)
- report.done(Path("f4"), black.Changed.NO)
+ report.path_ignored(Path("wat"), "no match")
self.assertEqual(len(out_lines), 5)
self.assertEqual(len(err_lines), 2)
+ self.assertEqual(out_lines[-1], "wat ignored: no match")
+ self.assertEqual(
+ unstyle(str(report)),
+ "2 files reformatted, 2 files left unchanged, "
+ "2 files failed to reformat.",
+ )
+ self.assertEqual(report.return_code, 123)
+ report.done(Path("f4"), black.Changed.NO)
+ self.assertEqual(len(out_lines), 6)
+ self.assertEqual(len(err_lines), 2)
self.assertEqual(out_lines[-1], "f4 already well formatted, good job.")
self.assertEqual(
unstyle(str(report)),
"2 files would fail to reformat.",
)
+ def test_report_quiet(self) -> None:
+ report = black.Report(quiet=True)
+ out_lines = []
+ err_lines = []
+
+ def out(msg: str, **kwargs: Any) -> None:
+ out_lines.append(msg)
+
+ def err(msg: str, **kwargs: Any) -> None:
+ err_lines.append(msg)
+
+ with patch("black.out", out), patch("black.err", err):
+ report.done(Path("f1"), black.Changed.NO)
+ self.assertEqual(len(out_lines), 0)
+ self.assertEqual(len(err_lines), 0)
+ self.assertEqual(unstyle(str(report)), "1 file left unchanged.")
+ self.assertEqual(report.return_code, 0)
+ report.done(Path("f2"), black.Changed.YES)
+ self.assertEqual(len(out_lines), 0)
+ self.assertEqual(len(err_lines), 0)
+ self.assertEqual(
+ unstyle(str(report)), "1 file reformatted, 1 file left unchanged."
+ )
+ report.done(Path("f3"), black.Changed.CACHED)
+ self.assertEqual(len(out_lines), 0)
+ self.assertEqual(len(err_lines), 0)
+ self.assertEqual(
+ unstyle(str(report)), "1 file reformatted, 2 files left unchanged."
+ )
+ self.assertEqual(report.return_code, 0)
+ report.check = True
+ self.assertEqual(report.return_code, 1)
+ report.check = False
+ report.failed(Path("e1"), "boom")
+ self.assertEqual(len(out_lines), 0)
+ self.assertEqual(len(err_lines), 1)
+ self.assertEqual(err_lines[-1], "error: cannot format e1: boom")
+ self.assertEqual(
+ unstyle(str(report)),
+ "1 file reformatted, 2 files left unchanged, "
+ "1 file failed to reformat.",
+ )
+ self.assertEqual(report.return_code, 123)
+ report.done(Path("f3"), black.Changed.YES)
+ self.assertEqual(len(out_lines), 0)
+ self.assertEqual(len(err_lines), 1)
+ self.assertEqual(
+ unstyle(str(report)),
+ "2 files reformatted, 2 files left unchanged, "
+ "1 file failed to reformat.",
+ )
+ self.assertEqual(report.return_code, 123)
+ report.failed(Path("e2"), "boom")
+ self.assertEqual(len(out_lines), 0)
+ self.assertEqual(len(err_lines), 2)
+ self.assertEqual(err_lines[-1], "error: cannot format e2: boom")
+ self.assertEqual(
+ unstyle(str(report)),
+ "2 files reformatted, 2 files left unchanged, "
+ "2 files failed to reformat.",
+ )
+ self.assertEqual(report.return_code, 123)
+ report.path_ignored(Path("wat"), "no match")
+ self.assertEqual(len(out_lines), 0)
+ self.assertEqual(len(err_lines), 2)
+ self.assertEqual(
+ unstyle(str(report)),
+ "2 files reformatted, 2 files left unchanged, "
+ "2 files failed to reformat.",
+ )
+ self.assertEqual(report.return_code, 123)
+ report.done(Path("f4"), black.Changed.NO)
+ self.assertEqual(len(out_lines), 0)
+ self.assertEqual(len(err_lines), 2)
+ self.assertEqual(
+ unstyle(str(report)),
+ "2 files reformatted, 3 files left unchanged, "
+ "2 files failed to reformat.",
+ )
+ self.assertEqual(report.return_code, 123)
+ report.check = True
+ self.assertEqual(
+ unstyle(str(report)),
+ "2 files would be reformatted, 3 files would be left unchanged, "
+ "2 files would fail to reformat.",
+ )
+
+ def test_report_normal(self) -> None:
+ report = black.Report()
+ out_lines = []
+ err_lines = []
+
+ def out(msg: str, **kwargs: Any) -> None:
+ out_lines.append(msg)
+
+ def err(msg: str, **kwargs: Any) -> None:
+ err_lines.append(msg)
+
+ with patch("black.out", out), patch("black.err", err):
+ report.done(Path("f1"), black.Changed.NO)
+ self.assertEqual(len(out_lines), 0)
+ self.assertEqual(len(err_lines), 0)
+ self.assertEqual(unstyle(str(report)), "1 file left unchanged.")
+ self.assertEqual(report.return_code, 0)
+ report.done(Path("f2"), black.Changed.YES)
+ self.assertEqual(len(out_lines), 1)
+ self.assertEqual(len(err_lines), 0)
+ self.assertEqual(out_lines[-1], "reformatted f2")
+ self.assertEqual(
+ unstyle(str(report)), "1 file reformatted, 1 file left unchanged."
+ )
+ report.done(Path("f3"), black.Changed.CACHED)
+ self.assertEqual(len(out_lines), 1)
+ self.assertEqual(len(err_lines), 0)
+ self.assertEqual(out_lines[-1], "reformatted f2")
+ self.assertEqual(
+ unstyle(str(report)), "1 file reformatted, 2 files left unchanged."
+ )
+ self.assertEqual(report.return_code, 0)
+ report.check = True
+ self.assertEqual(report.return_code, 1)
+ report.check = False
+ report.failed(Path("e1"), "boom")
+ self.assertEqual(len(out_lines), 1)
+ self.assertEqual(len(err_lines), 1)
+ self.assertEqual(err_lines[-1], "error: cannot format e1: boom")
+ self.assertEqual(
+ unstyle(str(report)),
+ "1 file reformatted, 2 files left unchanged, "
+ "1 file failed to reformat.",
+ )
+ self.assertEqual(report.return_code, 123)
+ report.done(Path("f3"), black.Changed.YES)
+ self.assertEqual(len(out_lines), 2)
+ self.assertEqual(len(err_lines), 1)
+ self.assertEqual(out_lines[-1], "reformatted f3")
+ self.assertEqual(
+ unstyle(str(report)),
+ "2 files reformatted, 2 files left unchanged, "
+ "1 file failed to reformat.",
+ )
+ self.assertEqual(report.return_code, 123)
+ report.failed(Path("e2"), "boom")
+ self.assertEqual(len(out_lines), 2)
+ self.assertEqual(len(err_lines), 2)
+ self.assertEqual(err_lines[-1], "error: cannot format e2: boom")
+ self.assertEqual(
+ unstyle(str(report)),
+ "2 files reformatted, 2 files left unchanged, "
+ "2 files failed to reformat.",
+ )
+ self.assertEqual(report.return_code, 123)
+ report.path_ignored(Path("wat"), "no match")
+ self.assertEqual(len(out_lines), 2)
+ self.assertEqual(len(err_lines), 2)
+ self.assertEqual(
+ unstyle(str(report)),
+ "2 files reformatted, 2 files left unchanged, "
+ "2 files failed to reformat.",
+ )
+ self.assertEqual(report.return_code, 123)
+ report.done(Path("f4"), black.Changed.NO)
+ self.assertEqual(len(out_lines), 2)
+ self.assertEqual(len(err_lines), 2)
+ self.assertEqual(
+ unstyle(str(report)),
+ "2 files reformatted, 3 files left unchanged, "
+ "2 files failed to reformat.",
+ )
+ self.assertEqual(report.return_code, 123)
+ report.check = True
+ self.assertEqual(
+ unstyle(str(report)),
+ "2 files would be reformatted, 3 files would be left unchanged, "
+ "2 files would fail to reformat.",
+ )
+
def test_is_python36(self) -> None:
node = black.lib2to3_parse("def f(*, arg): ...\n")
self.assertFalse(black.is_python36(node))
self.assertEqual("".join(err_lines), "")
def test_cache_broken_file(self) -> None:
+ mode = black.FileMode.AUTO_DETECT
with cache_dir() as workspace:
- cache_file = black.get_cache_file(black.DEFAULT_LINE_LENGTH)
+ cache_file = black.get_cache_file(black.DEFAULT_LINE_LENGTH, mode)
with cache_file.open("w") as fobj:
fobj.write("this is not a pickle")
- self.assertEqual(black.read_cache(black.DEFAULT_LINE_LENGTH), {})
+ self.assertEqual(black.read_cache(black.DEFAULT_LINE_LENGTH, mode), {})
src = (workspace / "test.py").resolve()
with src.open("w") as fobj:
fobj.write("print('hello')")
result = CliRunner().invoke(black.main, [str(src)])
self.assertEqual(result.exit_code, 0)
- cache = black.read_cache(black.DEFAULT_LINE_LENGTH)
+ cache = black.read_cache(black.DEFAULT_LINE_LENGTH, mode)
self.assertIn(src, cache)
def test_cache_single_file_already_cached(self) -> None:
+ mode = black.FileMode.AUTO_DETECT
with cache_dir() as workspace:
src = (workspace / "test.py").resolve()
with src.open("w") as fobj:
fobj.write("print('hello')")
- black.write_cache({}, [src], black.DEFAULT_LINE_LENGTH)
+ black.write_cache({}, [src], black.DEFAULT_LINE_LENGTH, mode)
result = CliRunner().invoke(black.main, [str(src)])
self.assertEqual(result.exit_code, 0)
with src.open("r") as fobj:
@event_loop(close=False)
def test_cache_multiple_files(self) -> None:
+ mode = black.FileMode.AUTO_DETECT
with cache_dir() as workspace, patch(
"black.ProcessPoolExecutor", new=ThreadPoolExecutor
):
two = (workspace / "two.py").resolve()
with two.open("w") as fobj:
fobj.write("print('hello')")
- black.write_cache({}, [one], black.DEFAULT_LINE_LENGTH)
+ black.write_cache({}, [one], black.DEFAULT_LINE_LENGTH, mode)
result = CliRunner().invoke(black.main, [str(workspace)])
self.assertEqual(result.exit_code, 0)
with one.open("r") as fobj:
self.assertEqual(fobj.read(), "print('hello')")
with two.open("r") as fobj:
self.assertEqual(fobj.read(), 'print("hello")\n')
- cache = black.read_cache(black.DEFAULT_LINE_LENGTH)
+ cache = black.read_cache(black.DEFAULT_LINE_LENGTH, mode)
self.assertIn(one, cache)
self.assertIn(two, cache)
def test_no_cache_when_writeback_diff(self) -> None:
+ mode = black.FileMode.AUTO_DETECT
with cache_dir() as workspace:
src = (workspace / "test.py").resolve()
with src.open("w") as fobj:
fobj.write("print('hello')")
result = CliRunner().invoke(black.main, [str(src), "--diff"])
self.assertEqual(result.exit_code, 0)
- cache_file = black.get_cache_file(black.DEFAULT_LINE_LENGTH)
+ cache_file = black.get_cache_file(black.DEFAULT_LINE_LENGTH, mode)
self.assertFalse(cache_file.exists())
def test_no_cache_when_stdin(self) -> None:
+ mode = black.FileMode.AUTO_DETECT
with cache_dir():
result = CliRunner().invoke(black.main, ["-"], input="print('hello')")
self.assertEqual(result.exit_code, 0)
- cache_file = black.get_cache_file(black.DEFAULT_LINE_LENGTH)
+ cache_file = black.get_cache_file(black.DEFAULT_LINE_LENGTH, mode)
self.assertFalse(cache_file.exists())
def test_read_cache_no_cachefile(self) -> None:
+ mode = black.FileMode.AUTO_DETECT
with cache_dir():
- self.assertEqual(black.read_cache(black.DEFAULT_LINE_LENGTH), {})
+ self.assertEqual(black.read_cache(black.DEFAULT_LINE_LENGTH, mode), {})
def test_write_cache_read_cache(self) -> None:
+ mode = black.FileMode.AUTO_DETECT
with cache_dir() as workspace:
src = (workspace / "test.py").resolve()
src.touch()
- black.write_cache({}, [src], black.DEFAULT_LINE_LENGTH)
- cache = black.read_cache(black.DEFAULT_LINE_LENGTH)
+ black.write_cache({}, [src], black.DEFAULT_LINE_LENGTH, mode)
+ cache = black.read_cache(black.DEFAULT_LINE_LENGTH, mode)
self.assertIn(src, cache)
self.assertEqual(cache[src], black.get_cache_info(src))
self.assertEqual(done, [cached])
def test_write_cache_creates_directory_if_needed(self) -> None:
+ mode = black.FileMode.AUTO_DETECT
with cache_dir(exists=False) as workspace:
self.assertFalse(workspace.exists())
- black.write_cache({}, [], black.DEFAULT_LINE_LENGTH)
+ black.write_cache({}, [], black.DEFAULT_LINE_LENGTH, mode)
self.assertTrue(workspace.exists())
@event_loop(close=False)
def test_failed_formatting_does_not_get_cached(self) -> None:
+ mode = black.FileMode.AUTO_DETECT
with cache_dir() as workspace, patch(
"black.ProcessPoolExecutor", new=ThreadPoolExecutor
):
fobj.write('print("hello")\n')
result = CliRunner().invoke(black.main, [str(workspace)])
self.assertEqual(result.exit_code, 123)
- cache = black.read_cache(black.DEFAULT_LINE_LENGTH)
+ cache = black.read_cache(black.DEFAULT_LINE_LENGTH, mode)
self.assertNotIn(failing, cache)
self.assertIn(clean, cache)
def test_write_cache_write_fail(self) -> None:
+ mode = black.FileMode.AUTO_DETECT
with cache_dir(), patch.object(Path, "open") as mock:
mock.side_effect = OSError
- black.write_cache({}, [], black.DEFAULT_LINE_LENGTH)
+ black.write_cache({}, [], black.DEFAULT_LINE_LENGTH, mode)
@event_loop(close=False)
def test_check_diff_use_together(self) -> None:
def test_broken_symlink(self) -> None:
with cache_dir() as workspace:
symlink = workspace / "broken_link.py"
- symlink.symlink_to("nonexistent.py")
+ try:
+ symlink.symlink_to("nonexistent.py")
+ except OSError as e:
+ self.skipTest(f"Can't create symlinks: {e}")
result = CliRunner().invoke(black.main, [str(workspace.resolve())])
self.assertEqual(result.exit_code, 0)
def test_read_cache_line_lengths(self) -> None:
+ mode = black.FileMode.AUTO_DETECT
with cache_dir() as workspace:
path = (workspace / "file.py").resolve()
path.touch()
- black.write_cache({}, [path], 1)
- one = black.read_cache(1)
+ black.write_cache({}, [path], 1, mode)
+ one = black.read_cache(1, mode)
self.assertIn(path, one)
- two = black.read_cache(2)
+ two = black.read_cache(2, mode)
self.assertNotIn(path, two)
def test_single_file_force_pyi(self) -> None:
+ reg_mode = black.FileMode.AUTO_DETECT
+ pyi_mode = black.FileMode.PYI
contents, expected = read_data("force_pyi")
with cache_dir() as workspace:
path = (workspace / "file.py").resolve()
with open(path, "r") as fh:
actual = fh.read()
# verify cache with --pyi is separate
- pyi_cache = black.read_cache(black.DEFAULT_LINE_LENGTH, pyi=True)
+ pyi_cache = black.read_cache(black.DEFAULT_LINE_LENGTH, pyi_mode)
self.assertIn(path, pyi_cache)
- normal_cache = black.read_cache(black.DEFAULT_LINE_LENGTH)
+ normal_cache = black.read_cache(black.DEFAULT_LINE_LENGTH, reg_mode)
self.assertNotIn(path, normal_cache)
self.assertEqual(actual, expected)
@event_loop(close=False)
def test_multi_file_force_pyi(self) -> None:
+ reg_mode = black.FileMode.AUTO_DETECT
+ pyi_mode = black.FileMode.PYI
contents, expected = read_data("force_pyi")
with cache_dir() as workspace:
paths = [
actual = fh.read()
self.assertEqual(actual, expected)
# verify cache with --pyi is separate
- pyi_cache = black.read_cache(black.DEFAULT_LINE_LENGTH, pyi=True)
- normal_cache = black.read_cache(black.DEFAULT_LINE_LENGTH)
+ pyi_cache = black.read_cache(black.DEFAULT_LINE_LENGTH, pyi_mode)
+ normal_cache = black.read_cache(black.DEFAULT_LINE_LENGTH, reg_mode)
for path in paths:
self.assertIn(path, pyi_cache)
self.assertNotIn(path, normal_cache)
self.assertFormatEqual(actual, expected)
def test_single_file_force_py36(self) -> None:
+ reg_mode = black.FileMode.AUTO_DETECT
+ py36_mode = black.FileMode.PYTHON36
source, expected = read_data("force_py36")
with cache_dir() as workspace:
path = (workspace / "file.py").resolve()
with open(path, "r") as fh:
actual = fh.read()
# verify cache with --py36 is separate
- py36_cache = black.read_cache(black.DEFAULT_LINE_LENGTH, py36=True)
+ py36_cache = black.read_cache(black.DEFAULT_LINE_LENGTH, py36_mode)
self.assertIn(path, py36_cache)
- normal_cache = black.read_cache(black.DEFAULT_LINE_LENGTH)
+ normal_cache = black.read_cache(black.DEFAULT_LINE_LENGTH, reg_mode)
self.assertNotIn(path, normal_cache)
self.assertEqual(actual, expected)
@event_loop(close=False)
def test_multi_file_force_py36(self) -> None:
+ reg_mode = black.FileMode.AUTO_DETECT
+ py36_mode = black.FileMode.PYTHON36
source, expected = read_data("force_py36")
with cache_dir() as workspace:
paths = [
actual = fh.read()
self.assertEqual(actual, expected)
# verify cache with --py36 is separate
- pyi_cache = black.read_cache(black.DEFAULT_LINE_LENGTH, py36=True)
- normal_cache = black.read_cache(black.DEFAULT_LINE_LENGTH)
+ pyi_cache = black.read_cache(black.DEFAULT_LINE_LENGTH, py36_mode)
+ normal_cache = black.read_cache(black.DEFAULT_LINE_LENGTH, reg_mode)
for path in paths:
self.assertIn(path, pyi_cache)
self.assertNotIn(path, normal_cache)
actual = result.output
self.assertFormatEqual(actual, expected)
+ def test_include_exclude(self) -> None:
+ path = THIS_DIR / "include_exclude_tests"
+ include = re.compile(r"\.pyi?$")
+ exclude = re.compile(r"/exclude/|/\.definitely_exclude/")
+ report = black.Report()
+ sources: List[Path] = []
+ expected = [
+ Path(THIS_DIR / "include_exclude_tests/b/dont_exclude/a.py"),
+ Path(THIS_DIR / "include_exclude_tests/b/dont_exclude/a.pyi"),
+ ]
+ this_abs = THIS_DIR.resolve()
+ sources.extend(
+ black.gen_python_files_in_dir(path, this_abs, include, exclude, report)
+ )
+ self.assertEqual(sorted(expected), sorted(sources))
+
+ def test_empty_include(self) -> None:
+ path = THIS_DIR / "include_exclude_tests"
+ report = black.Report()
+ empty = re.compile(r"")
+ sources: List[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"),
+ ]
+ this_abs = THIS_DIR.resolve()
+ sources.extend(
+ black.gen_python_files_in_dir(
+ path, this_abs, empty, re.compile(black.DEFAULT_EXCLUDES), report
+ )
+ )
+ self.assertEqual(sorted(expected), sorted(sources))
+
+ def test_empty_exclude(self) -> None:
+ path = THIS_DIR / "include_exclude_tests"
+ report = black.Report()
+ 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"),
+ ]
+ this_abs = THIS_DIR.resolve()
+ sources.extend(
+ black.gen_python_files_in_dir(
+ path, this_abs, re.compile(black.DEFAULT_INCLUDES), empty, report
+ )
+ )
+ self.assertEqual(sorted(expected), sorted(sources))
+
+ def test_invalid_include_exclude(self) -> None:
+ for option in ["--include", "--exclude"]:
+ result = CliRunner().invoke(black.main, ["-", option, "**()(!!*)"])
+ self.assertEqual(result.exit_code, 2)
+
+ def test_preserves_line_endings(self) -> None:
+ with TemporaryDirectory() as workspace:
+ test_file = Path(workspace) / "test.py"
+ for nl in ["\n", "\r\n"]:
+ contents = nl.join(["def f( ):", " pass"])
+ test_file.write_bytes(contents.encode())
+ ff(test_file, write_back=black.WriteBack.YES)
+ updated_contents: bytes = test_file.read_bytes()
+ self.assertIn(nl.encode(), updated_contents) # type: ignore
+ if nl == "\n":
+ self.assertNotIn(b"\r\n", updated_contents) # type: ignore
+
if __name__ == "__main__":
unittest.main()
projects / etc / vim.git / blobdiff