1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
|
# Copyright 2017 The TensorFlow Authors. All Rights Reserved.
#
# 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
#
# http://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.
# ==============================================================================
"""Tests for single_return module."""
from __future__ import absolute_import
from __future__ import division
from __future__ import print_function
from tensorflow.contrib.autograph.converters import single_return
from tensorflow.contrib.autograph.core import converter_testing
from tensorflow.python.framework.ops import name_scope
from tensorflow.python.platform import test
class SingleReturnTest(converter_testing.TestCase):
def compiled_fn(self, test_fn, *args):
node = self.parse_and_analyze(test_fn, {})
node = single_return.transform(node, self.ctx)
module = self.compiled(node, *args)
return module
def test_noop(self):
# Noop
def test_fn(x):
return x
with self.compiled_fn(test_fn) as result:
self.assertEqual(test_fn(2.0), result.test_fn(2.0))
def test_return_expression(self):
# ANF
def test_fn(x):
return x * x
with self.compiled_fn(test_fn) as result:
x = 2
self.assertEqual(test_fn(x), result.test_fn(x))
def test_merge(self):
# Simple merge
def test_fn(x):
if x > 0:
return x
else:
return x * x
with self.compiled_fn(test_fn) as result:
for x in [-2, 2]:
self.assertEqual(test_fn(x), result.test_fn(x))
def test_orphan_branch(self):
def test_fn(x):
if x > 0:
return x
with self.assertRaises(ValueError):
self.compiled_fn(test_fn)
def test_lift_body_into_false_branch(self):
def test_fn(x):
if x > 0:
return x
return x * x
with self.compiled_fn(test_fn) as result:
for x in [-2, 2]:
self.assertEqual(test_fn(x), result.test_fn(x))
def test_lift_body_into_true_branch(self):
def test_fn(x):
if x < 0:
x *= x
else:
# TODO(alexbw): linter bug here that requires us suppress this warning.
return x # pylint: disable=undefined-loop-variable
return x
with self.compiled_fn(test_fn) as result:
for x in [-2, 2]:
self.assertEqual(test_fn(x), result.test_fn(x))
def test_nested_if(self):
def test_fn(x):
if x > 0:
if x < 5:
return x
else:
return x * x
else:
return x * x * x
with self.compiled_fn(test_fn) as result:
for x in [-2, 2, 5]:
self.assertEqual(test_fn(x), result.test_fn(x))
def test_context_manager(self):
def test_fn(x):
with name_scope(''):
return x * x
with self.compiled_fn(test_fn) as result:
result.name_scope = name_scope
for x in [-2, 2]:
self.assertEqual(test_fn(x), result.test_fn(x))
def test_context_manager_in_conditional(self):
def test_fn(x):
if x > 0:
with name_scope(''):
return x * x
else:
return x
with self.compiled_fn(test_fn, name_scope) as result:
result.name_scope = name_scope
for x in [-2, 2]:
self.assertEqual(test_fn(x), result.test_fn(x))
def text_conditional_in_context_manager(self):
def test_fn(x):
with name_scope(''):
if x > 0:
return x * x
else:
return x
with self.compiled_fn(test_fn) as result:
result.name_scope = name_scope
for x in [-2, 2]:
self.assertEqual(test_fn(x), result.test_fn(x))
def test_no_return(self):
def test_fn(x):
x *= x
with self.compiled_fn(test_fn) as result:
self.assertEqual(test_fn(2), result.test_fn(2))
def test_nested_functiondefs(self):
def test_fn(x):
def inner_fn(y):
if y > 0:
return y * y
else:
return y
return inner_fn(x)
with self.compiled_fn(test_fn) as result:
for x in [-2, 2]:
self.assertEqual(test_fn(x), result.test_fn(x))
def test_loop(self):
def test_fn(x):
for _ in range(10):
return x
return x
with self.assertRaises(ValueError):
self.compiled_fn(test_fn)
if __name__ == '__main__':
test.main()
|
