67 lines
1.7 KiB
Python
67 lines
1.7 KiB
Python
# coding=utf-8
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"""Tests for google3.third_party.py.pasta.base.test_utils."""
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# Copyright 2019 Google LLC
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# https://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from __future__ import absolute_import
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from __future__ import division
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from __future__ import print_function
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import ast
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import unittest
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from pasta.base import test_utils
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class CheckAstEqualityTest(test_utils.TestCase):
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def test_empty(self):
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src = ""
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t = ast.parse(src)
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self.checkAstsEqual(t, t)
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def test_one_global(self):
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src = "X = 1\n"
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t = ast.parse(src)
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self.checkAstsEqual(t, t)
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def test_two_globals(self):
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src = "X = 1\nY = 2\n"
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t = ast.parse(src)
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self.checkAstsEqual(t, t)
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def test_different_number_of_nodes(self):
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src1 = "X = 1\ndef Foo():\n return None\n"
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src2 = src1 + "Y = 2\n"
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t1 = ast.parse(src1)
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t2 = ast.parse(src2)
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with self.assertRaises(AssertionError):
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self.checkAstsEqual(t1, t2)
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def test_simple_function_def(self):
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code = ("def foo(x):\n"
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" return x + 1\n")
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t = ast.parse(code)
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self.checkAstsEqual(t, t)
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def suite():
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result = unittest.TestSuite()
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result.addTests(unittest.makeSuite(CheckAstEqualityTest))
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return result
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if __name__ == '__main__':
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unittest.main()
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