X-Git-Url: https://git.madduck.net/etc/vim.git/blobdiff_plain/e818260f1a223929d8f2056f484b73eaa8687622..ed91dd4de63215aa3dde1f6da8659fb35ff191d8:/tests/test_black.py diff --git a/tests/test_black.py b/tests/test_black.py index f5114a7..0645525 100644 --- a/tests/test_black.py +++ b/tests/test_black.py @@ -3,7 +3,7 @@ import asyncio 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 @@ -11,6 +11,7 @@ from tempfile import TemporaryDirectory 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 @@ -120,8 +121,9 @@ class BlackTestCase(unittest.TestCase): source, expected = read_data("../black") hold_stdin, hold_stdout = sys.stdin, sys.stdout try: - sys.stdin, sys.stdout = StringIO(source), StringIO() - sys.stdin.name = "" + sys.stdin = TextIOWrapper(BytesIO(source.encode("utf8")), encoding="utf8") + sys.stdout = TextIOWrapper(BytesIO(), encoding="utf8") + sys.stdin.buffer.name = "" # type: ignore black.format_stdin_to_stdout( line_length=ll, fast=True, write_back=black.WriteBack.YES ) @@ -138,8 +140,9 @@ class BlackTestCase(unittest.TestCase): expected, _ = read_data("expression.diff") hold_stdin, hold_stdout = sys.stdin, sys.stdout try: - sys.stdin, sys.stdout = StringIO(source), StringIO() - sys.stdin.name = "" + sys.stdin = TextIOWrapper(BytesIO(source.encode("utf8")), encoding="utf8") + sys.stdout = TextIOWrapper(BytesIO(), encoding="utf8") + sys.stdin.buffer.name = "" # type: ignore black.format_stdin_to_stdout( line_length=ll, fast=True, write_back=black.WriteBack.DIFF ) @@ -203,7 +206,7 @@ class BlackTestCase(unittest.TestCase): 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() @@ -236,6 +239,11 @@ class BlackTestCase(unittest.TestCase): 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: @@ -342,10 +350,11 @@ class BlackTestCase(unittest.TestCase): @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: @@ -371,8 +380,8 @@ class BlackTestCase(unittest.TestCase): black.assert_equivalent(source, actual) black.assert_stable(source, actual, line_length=ll) - def test_report(self) -> None: - report = black.Report() + def test_report_verbose(self) -> None: + report = black.Report(verbose=True) out_lines = [] err_lines = [] @@ -439,9 +448,19 @@ class BlackTestCase(unittest.TestCase): "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)), @@ -456,6 +475,183 @@ class BlackTestCase(unittest.TestCase): "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)) @@ -566,25 +762,27 @@ class BlackTestCase(unittest.TestCase): 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: @@ -592,6 +790,7 @@ class BlackTestCase(unittest.TestCase): @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 ): @@ -601,44 +800,48 @@ class BlackTestCase(unittest.TestCase): 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)) @@ -653,19 +856,21 @@ class BlackTestCase(unittest.TestCase): cached_but_changed.touch() cache = {cached: black.get_cache_info(cached), cached_but_changed: (0.0, 0)} todo, done = black.filter_cached( - cache, [uncached, cached, cached_but_changed] + cache, {uncached, cached, cached_but_changed} ) - self.assertEqual(todo, [uncached, cached_but_changed]) - self.assertEqual(done, [cached]) + self.assertEqual(todo, {uncached, cached_but_changed}) + 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 ): @@ -677,14 +882,15 @@ class BlackTestCase(unittest.TestCase): 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: @@ -714,21 +920,27 @@ class BlackTestCase(unittest.TestCase): 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() @@ -739,14 +951,16 @@ class BlackTestCase(unittest.TestCase): 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 = [ @@ -763,8 +977,8 @@ class BlackTestCase(unittest.TestCase): 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) @@ -777,6 +991,8 @@ class BlackTestCase(unittest.TestCase): 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() @@ -787,14 +1003,16 @@ class BlackTestCase(unittest.TestCase): 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 = [ @@ -813,8 +1031,8 @@ class BlackTestCase(unittest.TestCase): 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) @@ -826,6 +1044,84 @@ class BlackTestCase(unittest.TestCase): 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()