X-Git-Url: https://git.madduck.net/etc/vim.git/blobdiff_plain/92957a41e3f909c7b813b448f65cd437cf0139f2..5070a24121ca3a00bbb40b89f60d731fabbf8c52:/tests/test_black.py diff --git a/tests/test_black.py b/tests/test_black.py index 94cbe35..82e3f5a 100644 --- a/tests/test_black.py +++ b/tests/test_black.py @@ -31,7 +31,7 @@ def dump_to_stderr(*output: str) -> str: def read_data(name: str) -> Tuple[str, str]: """read_data('test_name') -> 'input', 'output'""" - if not name.endswith((".py", ".out", ".diff")): + if not name.endswith((".py", ".pyi", ".out", ".diff")): name += ".py" _input: List[str] = [] _output: List[str] = [] @@ -167,6 +167,14 @@ class BlackTestCase(unittest.TestCase): black.assert_equivalent(source, actual) black.assert_stable(source, actual, line_length=ll) + @patch("black.dump_to_file", dump_to_stderr) + def test_function2(self) -> None: + source, expected = read_data("function2") + actual = fs(source) + self.assertFormatEqual(expected, actual) + black.assert_equivalent(source, actual) + black.assert_stable(source, actual, line_length=ll) + @patch("black.dump_to_file", dump_to_stderr) def test_expression(self) -> None: source, expected = read_data("expression") @@ -229,6 +237,14 @@ class BlackTestCase(unittest.TestCase): black.assert_equivalent(source, actual) black.assert_stable(source, actual, line_length=ll) + @patch("black.dump_to_file", dump_to_stderr) + def test_slices(self) -> None: + source, expected = read_data("slices") + actual = fs(source) + self.assertFormatEqual(expected, actual) + black.assert_equivalent(source, actual) + black.assert_stable(source, actual, line_length=ll) + @patch("black.dump_to_file", dump_to_stderr) def test_comments(self) -> None: source, expected = read_data("comments") @@ -301,6 +317,14 @@ class BlackTestCase(unittest.TestCase): black.assert_equivalent(source, actual) black.assert_stable(source, actual, line_length=ll) + @patch("black.dump_to_file", dump_to_stderr) + def test_string_prefixes(self) -> None: + source, expected = read_data("string_prefixes") + actual = fs(source) + self.assertFormatEqual(expected, actual) + black.assert_equivalent(source, actual) + black.assert_stable(source, actual, line_length=ll) + @patch("black.dump_to_file", dump_to_stderr) def test_python2(self) -> None: source, expected = read_data("python2") @@ -309,6 +333,20 @@ class BlackTestCase(unittest.TestCase): # black.assert_equivalent(source, actual) black.assert_stable(source, actual, line_length=ll) + @patch("black.dump_to_file", dump_to_stderr) + def test_python2_unicode_literals(self) -> None: + source, expected = read_data("python2_unicode_literals") + actual = fs(source) + self.assertFormatEqual(expected, actual) + black.assert_stable(source, actual, line_length=ll) + + @patch("black.dump_to_file", dump_to_stderr) + def test_stub(self) -> None: + source, expected = read_data("stub.pyi") + actual = fs(source, is_pyi=True) + self.assertFormatEqual(expected, actual) + black.assert_stable(source, actual, line_length=ll, is_pyi=True) + @patch("black.dump_to_file", dump_to_stderr) def test_fmtonoff(self) -> None: source, expected = read_data("fmtonoff") @@ -317,6 +355,14 @@ class BlackTestCase(unittest.TestCase): black.assert_equivalent(source, actual) black.assert_stable(source, actual, line_length=ll) + @patch("black.dump_to_file", dump_to_stderr) + def test_remove_empty_parentheses_after_class(self) -> None: + source, expected = read_data("class_blank_parentheses") + actual = fs(source) + self.assertFormatEqual(expected, actual) + black.assert_equivalent(source, actual) + black.assert_stable(source, actual, line_length=ll) + def test_report(self) -> None: report = black.Report() out_lines = [] @@ -420,6 +466,28 @@ class BlackTestCase(unittest.TestCase): node = black.lib2to3_parse(expected) self.assertFalse(black.is_python36(node)) + def test_get_future_imports(self) -> None: + node = black.lib2to3_parse("\n") + self.assertEqual(set(), black.get_future_imports(node)) + node = black.lib2to3_parse("from __future__ import black\n") + self.assertEqual({"black"}, black.get_future_imports(node)) + node = black.lib2to3_parse("from __future__ import multiple, imports\n") + self.assertEqual({"multiple", "imports"}, black.get_future_imports(node)) + node = black.lib2to3_parse("from __future__ import (parenthesized, imports)\n") + self.assertEqual({"parenthesized", "imports"}, black.get_future_imports(node)) + node = black.lib2to3_parse( + "from __future__ import multiple\nfrom __future__ import imports\n" + ) + self.assertEqual({"multiple", "imports"}, black.get_future_imports(node)) + node = black.lib2to3_parse("# comment\nfrom __future__ import black\n") + self.assertEqual({"black"}, black.get_future_imports(node)) + node = black.lib2to3_parse('"""docstring"""\nfrom __future__ import black\n') + self.assertEqual({"black"}, black.get_future_imports(node)) + node = black.lib2to3_parse("some(other, code)\nfrom __future__ import black\n") + self.assertEqual(set(), black.get_future_imports(node)) + node = black.lib2to3_parse("from some.module import black\n") + self.assertEqual(set(), black.get_future_imports(node)) + def test_debug_visitor(self) -> None: source, _ = read_data("debug_visitor.py") expected, _ = read_data("debug_visitor.out") @@ -628,6 +696,19 @@ class BlackTestCase(unittest.TestCase): ) self.assertEqual(result.exit_code, 1) + def test_no_files(self) -> None: + with cache_dir(): + # Without an argument, black exits with error code 0. + result = CliRunner().invoke(black.main, []) + self.assertEqual(result.exit_code, 0) + + def test_broken_symlink(self) -> None: + with cache_dir() as workspace: + symlink = workspace / "broken_link.py" + symlink.symlink_to("nonexistent.py") + result = CliRunner().invoke(black.main, [str(workspace.resolve())]) + self.assertEqual(result.exit_code, 0) + def test_read_cache_line_lengths(self) -> None: with cache_dir() as workspace: path = (workspace / "file.py").resolve()