from unittest.mock import patch import black from parameterized import parameterized from tests.util import ( BlackBaseTestCase, fs, ff, DEFAULT_MODE, dump_to_stderr, read_data, THIS_DIR, ) SIMPLE_CASES = [ "beginning_backslash", "bracketmatch", "cantfit", "class_blank_parentheses", "class_methods_new_line", "collections", "comments", "comments2", "comments3", "comments4", "comments5", "comments6", "comments7", "comment_after_escaped_newline", "composition", "composition_no_trailing_comma", "docstring", "empty_lines", "expression", "fmtonoff", "fmtonoff2", "fmtonoff3", "fmtonoff4", "fmtskip", "fmtskip2", "fmtskip3", "fmtskip4", "fmtskip5", "fstring", "function", "function2", "function_trailing_comma", "import_spacing", "long_strings", "long_strings__edge_case", "long_strings__regression", "numeric_literals_py2", "percent_precedence", "python2", "python2_unicode_literals", "remove_parens", "slices", "string_prefixes", "tricky_unicode_symbols", "tupleassign", ] SOURCES = [ "tests/test_black.py", "tests/test_format.py", "tests/test_blackd.py", "src/black/__init__.py", "src/blib2to3/pygram.py", "src/blib2to3/pytree.py", "src/blib2to3/pgen2/conv.py", "src/blib2to3/pgen2/driver.py", "src/blib2to3/pgen2/grammar.py", "src/blib2to3/pgen2/literals.py", "src/blib2to3/pgen2/parse.py", "src/blib2to3/pgen2/pgen.py", "src/blib2to3/pgen2/tokenize.py", "src/blib2to3/pgen2/token.py", "setup.py", ] class TestSimpleFormat(BlackBaseTestCase): @parameterized.expand(SIMPLE_CASES) @patch("black.dump_to_file", dump_to_stderr) def test_simple_format(self, filename: str) -> None: source, expected = read_data(filename) actual = fs(source) self.assertFormatEqual(expected, actual) black.assert_equivalent(source, actual) black.assert_stable(source, actual, DEFAULT_MODE) @parameterized.expand(SOURCES) @patch("black.dump_to_file", dump_to_stderr) def test_source_is_formatted(self, filename: str) -> None: path = THIS_DIR.parent / filename source, expected = read_data(str(path), data=False) actual = fs(source, mode=DEFAULT_MODE) self.assertFormatEqual(expected, actual) black.assert_equivalent(source, actual) black.assert_stable(source, actual, DEFAULT_MODE) self.assertFalse(ff(path))