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Þ'¯°ÌME[YéïĵÂCå½ Ué©Áû'Ê9%eÔðNU”ë‘ÌsD3/®+UI˜9h.WC”빓$#:pz:YÓ ¿xž* ³$Í +$kñAŠ‹†¢ Uê>¸)_š¬÷©ßAÂÔb9ÇU ¯¾á•9¯ÏÏ÷O÷¼¼Fähal1‰3Ì[Ïr•´UCksNÐ] R‘¸¥H+§Šé†c©vÖÞ0iÓ76s†î!§=ß ¼~Ô'°Ãmäoäš³ªøi1úÉ)³yV8 CLÄØÁ‘WYïi€H6ÖÑiámø^ÈY´°Ñ7¥Û*—Ñ©L«Qƒï—Ùrÿ ›£Ð*š¸ˆL©ˆ$ˆ ÷¾D§9È®«qbqC)–ˆïv´çñsÑVT­Ø, <àïºÀO«Jý·õ àfPìð .wFšir´þ’2_Y *Æ€x\« ì€9š@ Ž|F⇥ˆkZ@hÖÄ0t¿-<“‹qµ¾*ZL¤Ú)&BJpÓF5=$„at*Zš$’ÑtdûÝRI1 2Ž‰$€$I$#‰SÞ’Hë¬ï;Á$¡t$’`<(ñÇt)$‡Ð.Êf¢X’Kt=Éé$‚ˆªè¢oÝëòI%Rgcª÷ŠyI%¡‰ÿ !ñ)´õ $¤ Ô’IIGÿÙ"""Tests for the asdl parser in Parser/asdl.py""" import importlib.machinery import os from os.path import dirname import sys import sysconfig import unittest # This test is only relevant for from-source builds of Python. if not sysconfig.is_python_build(): raise unittest.SkipTest('test irrelevant for an installed Python') src_base = dirname(dirname(dirname(__file__))) parser_dir = os.path.join(src_base, 'Parser') class TestAsdlParser(unittest.TestCase): @classmethod def setUpClass(cls): # Loads the asdl module dynamically, since it's not in a real importable # package. # Parses Python.asdl into an ast.Module and run the check on it. # There's no need to do this for each test method, hence setUpClass. sys.path.insert(0, parser_dir) loader = importlib.machinery.SourceFileLoader( 'asdl', os.path.join(parser_dir, 'asdl.py')) cls.asdl = loader.load_module() cls.mod = cls.asdl.parse(os.path.join(parser_dir, 'Python.asdl')) cls.assertTrue(cls.asdl.check(cls.mod), 'Module validation failed') @classmethod def tearDownClass(cls): del sys.path[0] def setUp(self): # alias stuff from the class, for convenience self.asdl = TestAsdlParser.asdl self.mod = TestAsdlParser.mod self.types = self.mod.types def test_module(self): self.assertEqual(self.mod.name, 'Python') self.assertIn('stmt', self.types) self.assertIn('expr', self.types) self.assertIn('mod', self.types) def test_definitions(self): defs = self.mod.dfns self.assertIsInstance(defs[0], self.asdl.Type) self.assertIsInstance(defs[0].value, self.asdl.Sum) self.assertIsInstance(self.types['withitem'], self.asdl.Product) self.assertIsInstance(self.types['alias'], self.asdl.Product) def test_product(self): alias = self.types['alias'] self.assertEqual( str(alias), 'Product([Field(identifier, name), Field(identifier, asname, opt=True)])') def test_attributes(self): stmt = self.types['stmt'] self.assertEqual(len(stmt.attributes), 4) self.assertEqual(repr(stmt.attributes[0]), 'Field(int, lineno)') self.assertEqual(repr(stmt.attributes[1]), 'Field(int, col_offset)') self.assertEqual(repr(stmt.attributes[2]), 'Field(int, end_lineno, opt=True)') self.assertEqual(repr(stmt.attributes[3]), 'Field(int, end_col_offset, opt=True)') def test_constructor_fields(self): ehandler = self.types['excepthandler'] self.assertEqual(len(ehandler.types), 1) self.assertEqual(len(ehandler.attributes), 4) cons = ehandler.types[0] self.assertIsInstance(cons, self.asdl.Constructor) self.assertEqual(len(cons.fields), 3) f0 = cons.fields[0] self.assertEqual(f0.type, 'expr') self.assertEqual(f0.name, 'type') self.assertTrue(f0.opt) f1 = cons.fields[1] self.assertEqual(f1.type, 'identifier') self.assertEqual(f1.name, 'name') self.assertTrue(f1.opt) f2 = cons.fields[2] self.assertEqual(f2.type, 'stmt') self.assertEqual(f2.name, 'body') self.assertFalse(f2.opt) self.assertTrue(f2.seq) def test_visitor(self): class CustomVisitor(self.asdl.VisitorBase): def __init__(self): super().__init__() self.names_with_seq = [] def visitModule(self, mod): for dfn in mod.dfns: self.visit(dfn) def visitType(self, type): self.visit(type.value) def visitSum(self, sum): for t in sum.types: self.visit(t) def visitConstructor(self, cons): for f in cons.fields: if f.seq: self.names_with_seq.append(cons.name) v = CustomVisitor() v.visit(self.types['mod']) self.assertEqual(v.names_with_seq, ['Module', 'Module', 'Interactive', 'FunctionType']) if __name__ == '__main__': unittest.main()