X-Git-Url: https://git.madduck.net/etc/vim.git/blobdiff_plain/36bed855e11b119adc4cd5b3ad87e2da965928ba..bbc09a4f013f2a584f143f3f5e3f76f6082367d4:/tests/test_black.py diff --git a/tests/test_black.py b/tests/test_black.py index 7389da9..f6952c7 100644 --- a/tests/test_black.py +++ b/tests/test_black.py @@ -3,21 +3,22 @@ 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 re import sys 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 import black + ll = 88 ff = partial(black.format_file_in_place, line_length=ll, fast=True) fs = partial(black.format_str, line_length=ll) @@ -121,8 +122,9 @@ 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 ) @@ -135,17 +137,22 @@ class BlackTestCase(unittest.TestCase): black.assert_stable(source, actual, line_length=ll) def test_piping_diff(self) -> None: + diff_header = re.compile( + rf"(STDIN|STDOUT)\t\d\d\d\d-\d\d-\d\d " + rf"\d\d:\d\d:\d\d\.\d\d\d\d\d\d \+\d\d\d\d" + ) source, _ = read_data("expression.py") 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") black.format_stdin_to_stdout( line_length=ll, fast=True, write_back=black.WriteBack.DIFF ) sys.stdout.seek(0) actual = sys.stdout.read() + actual = diff_header.sub("[Deterministic header]", actual) finally: sys.stdin, sys.stdout = hold_stdin, hold_stdout actual = actual.rstrip() + "\n" # the diff output has a trailing space @@ -202,13 +209,17 @@ class BlackTestCase(unittest.TestCase): source, _ = read_data("expression.py") expected, _ = read_data("expression.diff") tmp_file = Path(black.dump_to_file(source)) + diff_header = re.compile( + rf"{re.escape(str(tmp_file))}\t\d\d\d\d-\d\d-\d\d " + rf"\d\d:\d\d:\d\d\.\d\d\d\d\d\d \+\d\d\d\d" + ) 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() - actual = actual.replace(str(tmp_file), "") + actual = diff_header.sub("[Deterministic header]", actual) finally: sys.stdout = hold_stdout os.unlink(tmp_file) @@ -378,8 +389,8 @@ 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 = [] @@ -446,9 +457,19 @@ 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)), @@ -463,6 +484,183 @@ 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)) @@ -667,10 +865,10 @@ 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 @@ -859,17 +1057,21 @@ class BlackTestCase(unittest.TestCase): 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)) + 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 = [ @@ -886,13 +1088,14 @@ class BlackTestCase(unittest.TestCase): this_abs = THIS_DIR.resolve() sources.extend( black.gen_python_files_in_dir( - path, this_abs, empty, re.compile(black.DEFAULT_EXCLUDES) + 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 = [ @@ -906,7 +1109,7 @@ class BlackTestCase(unittest.TestCase): this_abs = THIS_DIR.resolve() sources.extend( black.gen_python_files_in_dir( - path, this_abs, re.compile(black.DEFAULT_INCLUDES), empty + path, this_abs, re.compile(black.DEFAULT_INCLUDES), empty, report ) ) self.assertEqual(sorted(expected), sorted(sources)) @@ -916,6 +1119,18 @@ class BlackTestCase(unittest.TestCase): 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()