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