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")
# 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_fmtonoff(self) -> None:
source, expected = read_data("fmtonoff")
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")