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
16 #include "tensorflow/compiler/xla/service/name_uniquer.h"
17
18 #include <memory>
19 #include <utility>
20 #include <vector>
21
22 #include "tensorflow/core/platform/test.h"
23
24 namespace xla {
25 namespace {
26
27 class NameUniquerTest : public ::testing::Test {};
28
TEST_F(NameUniquerTest,SimpleUniquer)29 TEST_F(NameUniquerTest, SimpleUniquer) {
30 NameUniquer uniquer;
31
32 EXPECT_EQ("foo", uniquer.GetUniqueName("foo"));
33 EXPECT_EQ("foo__1", uniquer.GetUniqueName("foo"));
34 EXPECT_EQ("foo__2", uniquer.GetUniqueName("foo"));
35 EXPECT_EQ("bar", uniquer.GetUniqueName("bar"));
36 EXPECT_EQ("foo__3", uniquer.GetUniqueName("foo"));
37 EXPECT_EQ("bar__1", uniquer.GetUniqueName("bar"));
38 EXPECT_EQ("qux", uniquer.GetUniqueName("qux"));
39 }
40
TEST_F(NameUniquerTest,DifferentSeparator)41 TEST_F(NameUniquerTest, DifferentSeparator) {
42 NameUniquer uniquer(".");
43
44 EXPECT_EQ("foo", uniquer.GetUniqueName("foo"));
45 EXPECT_EQ("foo.1", uniquer.GetUniqueName("foo"));
46 EXPECT_EQ("foo.2", uniquer.GetUniqueName("foo"));
47 EXPECT_EQ("bar", uniquer.GetUniqueName("bar"));
48 EXPECT_EQ("foo.3", uniquer.GetUniqueName("foo"));
49 EXPECT_EQ("bar.1", uniquer.GetUniqueName("bar"));
50 }
51
TEST_F(NameUniquerTest,NumericSuffixes)52 TEST_F(NameUniquerTest, NumericSuffixes) {
53 NameUniquer uniquer(".");
54
55 EXPECT_EQ("foo", uniquer.GetUniqueName("foo"));
56 EXPECT_EQ("foo.54", uniquer.GetUniqueName("foo.54"));
57 EXPECT_EQ("foo.1", uniquer.GetUniqueName("foo"));
58 EXPECT_EQ("foo.55.1", uniquer.GetUniqueName("foo.55.1"));
59 EXPECT_EQ("foo.55.0", uniquer.GetUniqueName("foo.55.1"));
60 EXPECT_EQ("bar.1000", uniquer.GetUniqueName("bar.1000"));
61 EXPECT_EQ("bar.2000", uniquer.GetUniqueName("bar.2000"));
62 EXPECT_EQ("bar.-2000", uniquer.GetUniqueName("bar.-2000"));
63 EXPECT_EQ("bar.1", uniquer.GetUniqueName("bar.1"));
64 }
65
TEST_F(NameUniquerTest,PrefixHasSuffix)66 TEST_F(NameUniquerTest, PrefixHasSuffix) {
67 NameUniquer uniquer(".");
68
69 EXPECT_EQ("foo.11.0", uniquer.GetUniqueName("foo.11.0"));
70 EXPECT_EQ("foo.11", uniquer.GetUniqueName("foo.11"));
71 }
72
TEST_F(NameUniquerTest,Sanitize)73 TEST_F(NameUniquerTest, Sanitize) {
74 NameUniquer uniquer("_");
75
76 EXPECT_EQ("foo", uniquer.GetUniqueName("foo"));
77 EXPECT_EQ("foo_1", uniquer.GetUniqueName("foo"));
78 EXPECT_EQ("foo.54", uniquer.GetUniqueName("foo.54"));
79 EXPECT_EQ("foo_54", uniquer.GetUniqueName("foo_54"));
80 EXPECT_EQ("foo_54.1", uniquer.GetUniqueName("foo_54.1"));
81 EXPECT_EQ("foo_2", uniquer.GetUniqueName("foo"));
82
83 // Invalid characters will be replaced with '_'.
84 EXPECT_EQ("bar_1000", uniquer.GetUniqueName("bar<1000"));
85 EXPECT_EQ("bar_2000", uniquer.GetUniqueName("bar<2000"));
86 EXPECT_EQ("bar_1", uniquer.GetUniqueName("bar_1"));
87
88 // Separator is only recognized in the middle of the prefix.
89 EXPECT_EQ("_10", uniquer.GetUniqueName(
90 ".10")); // the leading '.' is replaced with '_'.
91 EXPECT_EQ("_10_1", uniquer.GetUniqueName(".10"));
92 EXPECT_EQ("_10_2", uniquer.GetUniqueName("_10"));
93 EXPECT_EQ("foobar_", uniquer.GetUniqueName("foobar_"));
94 EXPECT_EQ("foobar__1", uniquer.GetUniqueName("foobar_"));
95 }
96
TEST_F(NameUniquerTest,KeepNamesInRandomOrder)97 TEST_F(NameUniquerTest, KeepNamesInRandomOrder) {
98 NameUniquer uniquer(".");
99
100 EXPECT_EQ("foo.11", uniquer.GetUniqueName("foo.11"));
101 EXPECT_EQ("foo.10", uniquer.GetUniqueName("foo.10"));
102 EXPECT_EQ("foo.1", uniquer.GetUniqueName("foo.1"));
103 EXPECT_EQ("foo.12", uniquer.GetUniqueName("foo.12"));
104 EXPECT_EQ("foo.3", uniquer.GetUniqueName("foo.3"));
105 }
106
TEST_F(NameUniquerTest,AvoidKeywords)107 TEST_F(NameUniquerTest, AvoidKeywords) {
108 NameUniquer uniquer(".");
109
110 EXPECT_EQ("f32_", uniquer.GetUniqueName("f32"));
111 EXPECT_EQ("s64_", uniquer.GetUniqueName("s64"));
112 EXPECT_EQ("pred_", uniquer.GetUniqueName("pred"));
113
114 // Though a primitive type, "tuple" is not a keyword.
115 EXPECT_EQ("tuple", uniquer.GetUniqueName("tuple"));
116
117 // Keywords are not capitalized.
118 EXPECT_EQ("F32", uniquer.GetUniqueName("F32"));
119 EXPECT_EQ("S32", uniquer.GetUniqueName("S32"));
120 EXPECT_EQ("Pred", uniquer.GetUniqueName("Pred"));
121 }
122
123 } // namespace
124 } // namespace xla
125