def test_multi_regex(self):
"""Tests that the lazy dictionary doesn't walk over itself or something."""
parsed = matcher.parse_ast('var_hello = 42', '<string>')
m = base_matchers.AllOf(
base_matchers.FileMatchesRegex('var'),
base_matchers.FileMatchesRegex('hello'),
base_matchers.FileMatchesRegex('42'),
base_matchers.FileMatchesRegex(r'\Avar_hello = 42\Z'),
ast_matchers.Num())
matches = list(matcher.find_iter(m, parsed))
self.assertLen(matches, 1)
def test_doesnt_match(self):
parsed = matcher.parse_ast('hi = 42', '<string>')
m = base_matchers.AllOf(base_matchers.FileMatchesRegex('hello'),
ast_matchers.Num())
matches = list(matcher.find_iter(m, parsed))
self.assertEqual(matches, [])
def test_matches(self):
parsed = matcher.parse_ast('var_hello = 42', '<string>')
m = base_matchers.AllOf(base_matchers.FileMatchesRegex('hello'),
ast_matchers.Num())
matches = list(matcher.find_iter(m, parsed))
self.assertLen(matches, 1)
def test_bindings(self):
parsed = matcher.parse_ast('x = 2', '<string>')
matches = list(
matcher.find_iter(
base_matchers.AllOf(
base_matchers.FileMatchesRegex(r'(?P<var>x)'),
ast_matchers.Num()), parsed))
self.assertLen(matches, 1)
[m] = matches
self.assertIn('var', m.bindings)
self.assertEqual(m.bindings['var'].value.span, (0, 1))
def test_bind_variables(self):
self.assertEqual(
base_matchers.FileMatchesRegex('(?P<name>x)(y)').bind_variables,
{'name'})