1 # Copyright 2017 The TensorFlow Authors. All Rights Reserved. 2 # 3 # Licensed under the Apache License, Version 2.0 (the "License"); 4 # you may not use this file except in compliance with the License. 5 # You may obtain a copy of the License at 6 # 7 # http://www.apache.org/licenses/LICENSE-2.0 8 # 9 # Unless required by applicable law or agreed to in writing, software 10 # distributed under the License is distributed on an "AS IS" BASIS, 11 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 # See the License for the specific language governing permissions and 13 # limitations under the License. 14 # ============================================================================== 15 """Tests for list_comprehension module.""" 16 17 from __future__ import absolute_import 18 from __future__ import division 19 from __future__ import print_function 20 21 from tensorflow.contrib.py2tf.converters import converter_test_base 22 from tensorflow.contrib.py2tf.converters import list_comprehension 23 from tensorflow.python.platform import test 24 25 26 class ListCompTest(converter_test_base.TestCase): 27 28 def test_basic(self): 29 30 def test_fn(l): 31 s = [e * e for e in l] 32 return s 33 34 node = self.parse_and_analyze(test_fn, {}) 35 node = list_comprehension.transform(node, self.ctx) 36 37 with self.compiled(node) as result: 38 l = [1, 2, 3] 39 self.assertEqual(test_fn(l), result.test_fn(l)) 40 l = [] 41 self.assertEqual(test_fn(l), result.test_fn(l)) 42 43 def test_multiple_generators(self): 44 45 def test_fn(l): 46 s = [e * e for sublist in l for e in sublist] 47 return s 48 49 node = self.parse_and_analyze(test_fn, {}) 50 node = list_comprehension.transform(node, self.ctx) 51 52 with self.compiled(node) as result: 53 l = [[1], [2], [3]] 54 self.assertEqual(test_fn(l), result.test_fn(l)) 55 l = [] 56 self.assertEqual(test_fn(l), result.test_fn(l)) 57 58 def test_conds(self): 59 60 def test_fn(l): 61 s = [e * e for e in l if e > 1] 62 return s 63 64 node = self.parse_and_analyze(test_fn, {}) 65 node = list_comprehension.transform(node, self.ctx) 66 67 with self.compiled(node) as result: 68 l = [1, 2, 3] 69 self.assertEqual(test_fn(l), result.test_fn(l)) 70 l = [] 71 self.assertEqual(test_fn(l), result.test_fn(l)) 72 73 74 if __name__ == '__main__': 75 test.main() 76
