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\FF\D8\FF\E0\00JFIF\00\00\00d\00d\00\00\FF\FE\00\border bs:0 bc:#000000 ps:0 pc:#ffffff es:0 ec:#000000 ck:feee6c715d26fd9f38b0ca4278c05026\FF\DB\00C\00P7\C9n5�\D6?\BD�\9Ds\EBp\9F[`8m\B7)o\B5\E8\E6I\99\FE3]]A2\BA\8Cw\D6E\93\\DEv\C8\009\F2\F1NI?uc\\F5\EA\96k\xN<~buv\EA\C8\D7 \8B\84\CEcxI\BBg\AE\9E=\D6+n\EC\80\C8A\8C\AE\EB\CF\D5\DA\E9"2\A4\B9j5\EB\F3W\B63\96\B30Yu\DA\FC8\ED\DF\E7Ms\FB\F1\8E\B3\FA\EA\E8\E6(\883zs\F2_\8DFk\8Bh \00\8C\DCw\D3R\B5+6X\BA\B2\C4j\AB0\B4\FCMw\C2I\8E\9B\E3\A9~9u\FA\D3l\80\C8%p\EE\FDn2� \00$\FEj\C4e\A9\DB\~\95\A7\A5\80EK\BB\8DDsP\00@@AD'k\CF\E8\DB\D2(\80\9AK\D3\85\D6lb\F2\BA\8C*\80\00)\95 59\A3R:\F3\CE"\B6\80\88\00\00i1u4�\E9\F2�\A6\A2\FACM\93WMb*\E0*\00\00\00\00\00(\A8\80\00\00\80\00\00\00\00\00\00\00\00\00\FF\D9 C/// import ast from pyflakes import checker from pyflakes.test.harness import TestCase class TypeableVisitorTests(TestCase): """ Tests of L{_TypeableVisitor} """ @staticmethod def _run_visitor(s): """ Run L{_TypeableVisitor} on the parsed source and return the visitor. """ tree = ast.parse(s) visitor = checker._TypeableVisitor() visitor.visit(tree) return visitor def test_node_types(self): """ Test that the typeable node types are collected """ visitor = self._run_visitor( """\ x = 1 # assignment for x in range(1): pass # for loop def f(): pass # function definition with a as b: pass # with statement """ ) self.assertEqual(visitor.typeable_lines, [1, 2, 3, 4]) self.assertIsInstance(visitor.typeable_nodes[1], ast.Assign) self.assertIsInstance(visitor.typeable_nodes[2], ast.For) self.assertIsInstance(visitor.typeable_nodes[3], ast.FunctionDef) self.assertIsInstance(visitor.typeable_nodes[4], ast.With) def test_visitor_recurses(self): """ Test the common pitfall of missing `generic_visit` in visitors by ensuring that nested nodes are reported """ visitor = self._run_visitor( """\ def f(): x = 1 """ ) self.assertEqual(visitor.typeable_lines, [1, 2]) self.assertIsInstance(visitor.typeable_nodes[1], ast.FunctionDef) self.assertIsInstance(visitor.typeable_nodes[2], ast.Assign) def test_py35_node_types(self): """ Test that the PEP 492 node types are collected """ visitor = self._run_visitor( """\ async def f(): # async def async for x in y: pass # async for async with a as b: pass # async with """ ) self.assertEqual(visitor.typeable_lines, [1, 2, 3]) self.assertIsInstance(visitor.typeable_nodes[1], ast.AsyncFunctionDef) self.assertIsInstance(visitor.typeable_nodes[2], ast.AsyncFor) self.assertIsInstance(visitor.typeable_nodes[3], ast.AsyncWith) def test_last_node_wins(self): """ Test that when two typeable nodes are present on a line, the last typeable one wins. """ visitor = self._run_visitor('x = 1; y = 1') # detected both assignable nodes self.assertEqual(visitor.typeable_lines, [1, 1]) # but the assignment to `y` wins self.assertEqual(visitor.typeable_nodes[1].targets[0].id, 'y') class CollectTypeCommentsTests(TestCase): """ Tests of L{_collect_type_comments} """ @staticmethod def _collect(s): """ Run L{_collect_type_comments} on the parsed source and return the mapping from nodes to comments. The return value is converted to a set: {(node_type, tuple of comments), ...} """ tree = ast.parse(s) tokens = checker.make_tokens(s) ret = checker._collect_type_comments(tree, tokens) return {(type(k), tuple(s for _, s in v)) for k, v in ret.items()} def test_bytes(self): """ Test that the function works for binary source """ ret = self._collect(b'x = 1 # type: int') self.assertSetEqual(ret, {(ast.Assign, ('# type: int',))}) def test_text(self): """ Test that the function works for text source """ ret = self._collect('x = 1 # type: int') self.assertEqual(ret, {(ast.Assign, ('# type: int',))}) def test_non_type_comment_ignored(self): """ Test that a non-type comment is ignored """ ret = self._collect('x = 1 # noqa') self.assertSetEqual(ret, set()) def test_type_comment_before_typeable(self): """ Test that a type comment before something typeable is ignored. """ ret = self._collect('# type: int\nx = 1') self.assertSetEqual(ret, set()) def test_type_ignore_comment_ignored(self): """ Test that `# type: ignore` comments are not collected. """ ret = self.