def setUp(self):
self.m = ASTMatchEngine()
def setUp(self):
self.m = ASTMatchEngine()
class TestASTMatchEngine(unittest.TestCase):
def setUp(self):
self.m = ASTMatchEngine()
def filepath(self, filename):
return os.path.join(os.path.dirname(__file__), 'testfiles', filename)
def test_classes(self):
matches = list(self.m.match('class', self.filepath('classes.py')))
self.assertEqual(len(matches), 4)
# check instances
self.assertIsInstance(matches[0][0], ast.ClassDef)
self.assertIsInstance(matches[1][0], ast.ClassDef)
self.assertIsInstance(matches[2][0], ast.ClassDef)
self.assertIsInstance(matches[3][0], ast.ClassDef)
# check lines
self.assertEqual(matches[0][1], 1)
self.assertEqual(matches[1][1], 9)
self.assertEqual(matches[2][1], 13)
self.assertEqual(matches[3][1], 14)
def test_classes_with_specific_method(self):
matches1 = list(self.m.match('class:not(:has(def))',
self.filepath('classes.py')))
matches2 = list(self.m.match('class:has(def[name=bar])',
self.filepath('classes.py')))
matches3 = list(self.m.match('class:has(> def)',
self.filepath('classes.py')))
self.assertEqual(len(matches1), 1)
self.assertIsInstance(matches1[0][0], ast.ClassDef)
self.assertEqual(len(matches2), 3)
self.assertIsInstance(matches2[0][0], ast.ClassDef)
self.assertIsInstance(matches2[1][0], ast.ClassDef)
self.assertIsInstance(matches2[2][0], ast.ClassDef)
self.assertEqual(len(matches3), 2)
self.assertIsInstance(matches3[0][0], ast.ClassDef)
self.assertIsInstance(matches3[1][0], ast.ClassDef)
self.assertEqual(matches3[0][1], 1)
self.assertEqual(matches3[1][1], 14)
def test_methods(self):
matches = list(self.m.match('class def', self.filepath('classes.py')))
self.assertEqual(len(matches), 3)
# check instances
self.assertIsInstance(matches[0][0], ast.FunctionDef)
self.assertIsInstance(matches[1][0], ast.FunctionDef)
self.assertIsInstance(matches[2][0], ast.FunctionDef)
# check lines
self.assertEqual(matches[0][1], 2)
self.assertEqual(matches[1][1], 5)
self.assertEqual(matches[2][1], 15)
def test_methods_by_name(self):
matches1 = list(self.m.match('class def[name=baz]',
self.filepath('classes.py')))
matches2 = list(self.m.match('class def[name!=baz]',
self.filepath('classes.py')))
self.assertEqual(len(matches1), 1)
self.assertEqual(matches1[0][1], 5)
self.assertEqual(len(matches2), 2)
self.assertEqual(matches2[0][1], 2)
self.assertEqual(matches2[1][1], 15)
def test_import(self):
matches = list(self.m.match('import', self.filepath('imports.py')))
self.assertEqual(len(matches), 6)
# check instances
self.assertIsInstance(matches[0][0], ast.ImportFrom)
self.assertIsInstance(matches[1][0], ast.ImportFrom)
self.assertIsInstance(matches[2][0], ast.ImportFrom)
self.assertIsInstance(matches[3][0], ast.ImportFrom)
self.assertIsInstance(matches[4][0], ast.Import)
self.assertIsInstance(matches[5][0], ast.Import)
def test_import_from(self):
matches = list(self.m.match('import[from=foo]',
self.filepath('imports.py')))
self.assertEqual(len(matches), 2)
# check instances
self.assertIsInstance(matches[0][0], ast.ImportFrom)
self.assertIsInstance(matches[1][0], ast.ImportFrom)
# check lines
self.assertEqual(matches[0][1], 1)
self.assertEqual(matches[1][1], 2)
def test_import_not_from(self):
matches = list(self.m.match('import:not([from^=foo])',
self.filepath('imports.py')))
self.assertEqual(len(matches), 3)
# check instances
self.assertIsInstance(matches[0][0], ast.ImportFrom)
self.assertIsInstance(matches[1][0], ast.Import)
self.assertIsInstance(matches[2][0], ast.Import)
def test_import_name(self):
matches = list(self.m.match('import[name=example2]',
self.filepath('imports.py')))
self.assertEqual(len(matches), 1)
matches = list(self.m.match('import[name=bar], import[name=bar2]',
self.filepath('imports.py')))
self.assertEqual(len(matches), 2)
def test_import_multiple(self):
matches1 = list(self.m.match('import[name=xyz]',
self.filepath('imports.py')))
matches2 = list(self.m.match('import[name=xyz][name=bar2]',
self.filepath('imports.py')))
matches3 = list(self.m.match('import[name=foo.baz]',
self.filepath('imports.py')))
matches4 = list(self.m.match('import[name^=foo]',
self.filepath('imports.py')))
matches5 = list(self.m.match('import[from^=foo]',
self.filepath('imports.py')))
self.assertEqual(len(matches1), 1)
self.assertEqual(len(matches2), 1)
self.assertEqual(len(matches3), 1)
self.assertEqual(len(matches4), 1)
self.assertEqual(len(matches5), 3)
def test_import_special_attr(self):
matches1 = list(self.m.match('import[full=foo.bar2]',
self.filepath('imports.py')))
matches2 = list(self.m.match('import[full=foo.xyz]',
self.filepath('imports.py')))
self.assertEqual(len(matches1), 1)
self.assertEqual(len(matches2), 1)
def test_match_id(self):
matches = list(self.m.match('#foo,#bar', self.filepath('ids.py')))
self.assertEqual(len(matches), 5)
def test_assign(self):
matches1 = list(self.m.match('assign', self.filepath('assign.py')))
matches2 = list(self.m.match('assign#foo', self.filepath('assign.py')))
matches3 = list(
self.m.match('assign[name=bar]', self.filepath('assign.py')))
matches4 = list(self.m.match('assign#b', self.filepath('assign.py')))
matches5 = list(
self.m.match('#abc,[name=abc]', self.filepath('assign.py')))
self.assertEqual(len(matches1), 6)
self.assertEqual(len(matches2), 1)
self.assertEqual(matches2[0][1], 1)
self.assertEqual(len(matches3), 1)
self.assertEqual(matches3[0][1], 2)
self.assertEqual(len(matches4), 1)
self.assertEqual(matches4[0][1], 4)
self.assertEqual(len(matches5), 1)
self.assertEqual(matches5[0][1], 5)
def test_calls(self):
matches1 = list(
self.m.match('[name=print]', self.filepath('calls.py')))
matches2 = list(self.m.match('call#foo', self.filepath('calls.py')))
matches3 = list(self.m.match('call', self.filepath('calls.py')))
matches4 = list(self.m.match('[name=foo]', self.filepath('calls.py')))
self.assertEqual(len(matches1), 1)
self.assertEqual(len(matches2), 2)
self.assertEqual(len(matches3), 4)
self.assertEqual(len(matches4), 1)
def test_call_arg_kwarg(self):
matches1 = list(self.m.match('call[kwarg=a]',
self.filepath('calls.py')))
matches2 = list(self.m.match('call[kwarg=x]',
self.filepath('calls.py')))
matches3 = list(self.m.match('call[arg=bar]',
self.filepath('calls.py')))
matches4 = list(self.m.match('[arg=bang]', self.filepath('calls.py')))
self.assertEqual(len(matches1), 1)
self.assertEqual(len(matches2), 2)
self.assertEqual(len(matches3), 2)
self.assertEqual(len(matches4), 2)
self.assertIsInstance(matches1[0][0], ast.Call)
self.assertIsInstance(matches2[0][0], ast.Call)
self.assertIsInstance(matches2[1][0], ast.Call)
self.assertIsInstance(matches3[0][0], ast.Call)
self.assertIsInstance(matches3[1][0], ast.Call)
self.assertIsInstance(matches4[0][0], ast.Call)
def test_attrs(self):
matches1 = list(self.m.match('#bang', self.filepath('attrs.py')))
matches2 = list(self.m.match('attr#z', self.filepath('attrs.py')))
matches3 = list(self.m.match('attr', self.filepath('attrs.py')))
matches4 = list(self.m.match('#y', self.filepath('attrs.py')))
self.assertEqual(len(matches1), 1)
self.assertEqual(len(matches2), 1)
self.assertEqual(len(matches3), 4)
self.assertEqual(len(matches4), 1)
self.assertEqual(matches3[0][0].attr, 'bar')
self.assertEqual(matches3[1][0].attr, 'bang')
self.assertEqual(matches3[2][0].attr, 'y')
self.assertEqual(matches3[3][0].attr, 'z')
def test_pseudo_extends(self):
matches1 = list(self.m.match(':extends(#object)',
self.filepath('classes.py')))
matches2 = list(self.m.match(':extends()',
self.filepath('classes.py')))
matches3 = list(self.m.match(':extends(#Unknown)',
self.filepath('classes.py')))
matches4 = list(self.m.match(':extends(#object, #X)',
self.filepath('classes.py')))
matches5 = list(self.m.match(':extends(#X):extends(#Y)',
self.filepath('classes.py')))
matches6 = list(self.m.match(':extends(#foo)',
self.filepath('classes.py')))
matches7 = list(self.m.match(':extends(attr#B)',
self.filepath('classes.py')))
matches8 = list(self.m.match(':extends(#A):extends(attr#B)',
self.filepath('classes.py')))
self.assertEqual(len(matches1), 3)
self.assertEqual(len(matches2), 1)
self.assertEqual(len(matches3), 0)
self.assertEqual(len(matches4), 3)
self.assertEqual(len(matches5), 1)
self.assertEqual(len(matches6), 1)
self.assertEqual(len(matches7), 1)
self.assertEqual(len(matches8), 1)
class TestASTMatchEngine(unittest.TestCase):
def setUp(self):
self.m = ASTMatchEngine()
def filepath(self, filename):
return os.path.join(os.path.dirname(__file__), 'testfiles', filename)
def test_classes(self):
matches = list(self.m.match('class', self.filepath('classes.py')))
self.assertEqual(len(matches), 4)
# check instances
self.assertIsInstance(matches[0][0], ast.ClassDef)
self.assertIsInstance(matches[1][0], ast.ClassDef)
self.assertIsInstance(matches[2][0], ast.ClassDef)
self.assertIsInstance(matches[3][0], ast.ClassDef)
# check lines
self.assertEqual(matches[0][1], 1)
self.assertEqual(matches[1][1], 9)
self.assertEqual(matches[2][1], 13)
self.assertEqual(matches[3][1], 14)
def test_classes_with_specific_method(self):
matches1 = list(
self.m.match('class:not(:has(def))', self.filepath('classes.py')))
matches2 = list(
self.m.match('class:has(def[name=bar])',
self.filepath('classes.py')))
matches3 = list(
self.m.match('class:has(> def)', self.filepath('classes.py')))
self.assertEqual(len(matches1), 1)
self.assertIsInstance(matches1[0][0], ast.ClassDef)
self.assertEqual(len(matches2), 3)
self.assertIsInstance(matches2[0][0], ast.ClassDef)
self.assertIsInstance(matches2[1][0], ast.ClassDef)
self.assertIsInstance(matches2[2][0], ast.ClassDef)
self.assertEqual(len(matches3), 2)
self.assertIsInstance(matches3[0][0], ast.ClassDef)
self.assertIsInstance(matches3[1][0], ast.ClassDef)
self.assertEqual(matches3[0][1], 1)
self.assertEqual(matches3[1][1], 14)
def test_methods(self):
matches = list(self.m.match('class def', self.filepath('classes.py')))
self.assertEqual(len(matches), 3)
# check instances
self.assertIsInstance(matches[0][0], ast.FunctionDef)
self.assertIsInstance(matches[1][0], ast.FunctionDef)
self.assertIsInstance(matches[2][0], ast.FunctionDef)
# check lines
self.assertEqual(matches[0][1], 2)
self.assertEqual(matches[1][1], 5)
self.assertEqual(matches[2][1], 15)
def test_methods_by_name(self):
matches1 = list(
self.m.match('class def[name=baz]', self.filepath('classes.py')))
matches2 = list(
self.m.match('class def[name!=baz]', self.filepath('classes.py')))
self.assertEqual(len(matches1), 1)
self.assertEqual(matches1[0][1], 5)
self.assertEqual(len(matches2), 2)
self.assertEqual(matches2[0][1], 2)
self.assertEqual(matches2[1][1], 15)
def test_import(self):
matches = list(self.m.match('import', self.filepath('imports.py')))
self.assertEqual(len(matches), 6)
# check instances
self.assertIsInstance(matches[0][0], ast.ImportFrom)
self.assertIsInstance(matches[1][0], ast.ImportFrom)
self.assertIsInstance(matches[2][0], ast.ImportFrom)
self.assertIsInstance(matches[3][0], ast.ImportFrom)
self.assertIsInstance(matches[4][0], ast.Import)
self.assertIsInstance(matches[5][0], ast.Import)
def test_import_from(self):
matches = list(
self.m.match('import[from=foo]', self.filepath('imports.py')))
self.assertEqual(len(matches), 2)
# check instances
self.assertIsInstance(matches[0][0], ast.ImportFrom)
self.assertIsInstance(matches[1][0], ast.ImportFrom)
# check lines
self.assertEqual(matches[0][1], 1)
self.assertEqual(matches[1][1], 2)
def test_import_not_from(self):
matches = list(
self.m.match('import:not([from^=foo])',
self.filepath('imports.py')))
self.assertEqual(len(matches), 3)
# check instances
self.assertIsInstance(matches[0][0], ast.ImportFrom)
self.assertIsInstance(matches[1][0], ast.Import)
self.assertIsInstance(matches[2][0], ast.Import)
def test_import_name(self):
matches = list(
self.m.match('import[name=example2]', self.filepath('imports.py')))
self.assertEqual(len(matches), 1)
matches = list(
self.m.match('import[name=bar], import[name=bar2]',
self.filepath('imports.py')))
self.assertEqual(len(matches), 2)
def test_import_multiple(self):
matches1 = list(
self.m.match('import[name=xyz]', self.filepath('imports.py')))
matches2 = list(
self.m.match('import[name=xyz][name=bar2]',
self.filepath('imports.py')))
matches3 = list(
self.m.match('import[name=foo.baz]', self.filepath('imports.py')))
matches4 = list(
self.m.match('import[name^=foo]', self.filepath('imports.py')))
matches5 = list(
self.m.match('import[from^=foo]', self.filepath('imports.py')))
self.assertEqual(len(matches1), 1)
self.assertEqual(len(matches2), 1)
self.assertEqual(len(matches3), 1)
self.assertEqual(len(matches4), 1)
self.assertEqual(len(matches5), 3)
def test_import_special_attr(self):
matches1 = list(
self.m.match('import[full=foo.bar2]', self.filepath('imports.py')))
matches2 = list(
self.m.match('import[full=foo.xyz]', self.filepath('imports.py')))
self.assertEqual(len(matches1), 1)
self.assertEqual(len(matches2), 1)
def test_match_id(self):
matches = list(self.m.match('#foo,#bar', self.filepath('ids.py')))
self.assertEqual(len(matches), 5)
def test_assign(self):
matches1 = list(self.m.match('assign', self.filepath('assign.py')))
matches2 = list(self.m.match('assign#foo', self.filepath('assign.py')))
matches3 = list(
self.m.match('assign[name=bar]', self.filepath('assign.py')))
matches4 = list(self.m.match('assign#b', self.filepath('assign.py')))
matches5 = list(
self.m.match('#abc,[name=abc]', self.filepath('assign.py')))
self.assertEqual(len(matches1), 6)
self.assertEqual(len(matches2), 1)
self.assertEqual(matches2[0][1], 1)
self.assertEqual(len(matches3), 1)
self.assertEqual(matches3[0][1], 2)
self.assertEqual(len(matches4), 1)
self.assertEqual(matches4[0][1], 4)
self.assertEqual(len(matches5), 1)
self.assertEqual(matches5[0][1], 5)
def test_calls(self):
matches1 = list(self.m.match('[name=print]',
self.filepath('calls.py')))
matches2 = list(self.m.match('call#foo', self.filepath('calls.py')))
matches3 = list(self.m.match('call', self.filepath('calls.py')))
matches4 = list(self.m.match('[name=foo]', self.filepath('calls.py')))
self.assertEqual(len(matches1), 1)
self.assertEqual(len(matches2), 2)
self.assertEqual(len(matches3), 5)
self.assertEqual(len(matches4), 2)
def test_call_arg_kwarg(self):
matches1 = list(
self.m.match('call[kwarg=a]', self.filepath('calls.py')))
matches2 = list(
self.m.match('call[kwarg=x]', self.filepath('calls.py')))
matches3 = list(
self.m.match('call[arg=bar]', self.filepath('calls.py')))
matches4 = list(self.m.match('[arg=bang]', self.filepath('calls.py')))
self.assertEqual(len(matches1), 1)
self.assertEqual(len(matches2), 2)
self.assertEqual(len(matches3), 2)
self.assertEqual(len(matches4), 2)
self.assertIsInstance(matches1[0][0], ast.Call)
self.assertIsInstance(matches2[0][0], ast.Call)
self.assertIsInstance(matches2[1][0], ast.Call)
self.assertIsInstance(matches3[0][0], ast.Call)
self.assertIsInstance(matches3[1][0], ast.Call)
self.assertIsInstance(matches4[0][0], ast.Call)
def test_attrs(self):
matches1 = list(self.m.match('#bang', self.filepath('attrs.py')))
matches2 = list(self.m.match('attr#z', self.filepath('attrs.py')))
matches3 = list(self.m.match('attr', self.filepath('attrs.py')))
matches4 = list(self.m.match('#y', self.filepath('attrs.py')))
self.assertEqual(len(matches1), 1)
self.assertEqual(len(matches2), 1)
self.assertEqual(len(matches3), 4)
self.assertEqual(len(matches4), 1)
self.assertEqual(matches3[0][0].attr, 'bar')
self.assertEqual(matches3[1][0].attr, 'bang')
self.assertEqual(matches3[2][0].attr, 'y')
self.assertEqual(matches3[3][0].attr, 'z')
def test_pseudo_extends(self):
matches1 = list(
self.m.match(':extends(#object)', self.filepath('classes.py')))
matches2 = list(self.m.match(':extends()',
self.filepath('classes.py')))
matches3 = list(
self.m.match(':extends(#Unknown)', self.filepath('classes.py')))
matches4 = list(
self.m.match(':extends(#object, #X)', self.filepath('classes.py')))
matches5 = list(
self.m.match(':extends(#X):extends(#Y)',
self.filepath('classes.py')))
matches6 = list(
self.m.match(':extends(#foo)', self.filepath('classes.py')))
matches7 = list(
self.m.match(':extends(attr#B)', self.filepath('classes.py')))
matches8 = list(
self.m.match(':extends(#A):extends(attr#B)',
self.filepath('classes.py')))
self.assertEqual(len(matches1), 3)
self.assertEqual(len(matches2), 1)
self.assertEqual(len(matches3), 0)
self.assertEqual(len(matches4), 3)
self.assertEqual(len(matches5), 1)
self.assertEqual(len(matches6), 1)
self.assertEqual(len(matches7), 1)
self.assertEqual(len(matches8), 1)