1 /*
2 * Copyright (C) 2014 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include "Grouper.h"
18
19 #include "SplitDescription.h"
20
21 #include <gtest/gtest.h>
22 #include <utils/String8.h>
23 #include <utils/Vector.h>
24
25 using namespace android;
26
27 namespace split {
28
29 class GrouperTest : public ::testing::Test {
30 protected:
SetUp()31 virtual void SetUp() {
32 Vector<SplitDescription> splits;
33 addSplit(splits, "en-rUS-sw600dp-hdpi");
34 addSplit(splits, "fr-rFR-sw600dp-hdpi");
35 addSplit(splits, "fr-rFR-sw600dp-xhdpi");
36 addSplit(splits, ":armeabi");
37 addSplit(splits, "en-rUS-sw300dp-xhdpi");
38 addSplit(splits, "large");
39 addSplit(splits, "pl-rPL");
40 addSplit(splits, "fr-rCA");
41 addSplit(splits, "fr");
42 addSplit(splits, "xlarge");
43 addSplit(splits, "en-rUS-sw600dp-xhdpi");
44 addSplit(splits, "en-rUS-sw300dp-hdpi");
45 addSplit(splits, "xxhdpi");
46 addSplit(splits, "hdpi");
47 addSplit(splits, "de-rDE");
48 addSplit(splits, "xhdpi");
49 addSplit(splits, ":x86");
50 addSplit(splits, "anydpi");
51 addSplit(splits, "v7");
52 addSplit(splits, "v8");
53 addSplit(splits, "sw600dp");
54 addSplit(splits, "sw300dp");
55 mGroups = groupByMutualExclusivity(splits);
56 }
57
58 void addSplit(Vector<SplitDescription>& splits, const char* str);
59 void expectHasGroupWithSplits(const char* a);
60 void expectHasGroupWithSplits(const char* a, const char* b);
61 void expectHasGroupWithSplits(const char* a, const char* b, const char* c);
62 void expectHasGroupWithSplits(const char* a, const char* b, const char* c, const char* d);
63 void expectHasGroupWithSplits(const Vector<const char*>& expectedStrs);
64
65 Vector<SortedVector<SplitDescription> > mGroups;
66 };
67
TEST_F(GrouperTest,shouldHaveCorrectNumberOfGroups)68 TEST_F(GrouperTest, shouldHaveCorrectNumberOfGroups) {
69 EXPECT_EQ(15u, mGroups.size());
70 }
71
TEST_F(GrouperTest,shouldGroupDensities)72 TEST_F(GrouperTest, shouldGroupDensities) {
73 expectHasGroupWithSplits("en-rUS-sw300dp-hdpi", "en-rUS-sw300dp-xhdpi");
74 expectHasGroupWithSplits("en-rUS-sw600dp-hdpi", "en-rUS-sw600dp-xhdpi");
75 expectHasGroupWithSplits("fr-rFR-sw600dp-hdpi", "fr-rFR-sw600dp-xhdpi");
76 expectHasGroupWithSplits("hdpi", "xhdpi", "xxhdpi", "anydpi");
77 }
78
TEST_F(GrouperTest,shouldGroupAbi)79 TEST_F(GrouperTest, shouldGroupAbi) {
80 expectHasGroupWithSplits(":armeabi", ":x86");
81 }
82
TEST_F(GrouperTest,shouldGroupLocale)83 TEST_F(GrouperTest, shouldGroupLocale) {
84 expectHasGroupWithSplits("pl-rPL");
85 expectHasGroupWithSplits("de-rDE");
86 expectHasGroupWithSplits("fr");
87 expectHasGroupWithSplits("fr-rCA");
88 }
89
TEST_F(GrouperTest,shouldGroupEachSplitIntoItsOwnGroup)90 TEST_F(GrouperTest, shouldGroupEachSplitIntoItsOwnGroup) {
91 expectHasGroupWithSplits("large");
92 expectHasGroupWithSplits("xlarge");
93 expectHasGroupWithSplits("v7");
94 expectHasGroupWithSplits("v8");
95 expectHasGroupWithSplits("sw600dp");
96 expectHasGroupWithSplits("sw300dp");
97 }
98
99 //
100 // Helper methods
101 //
102
expectHasGroupWithSplits(const char * a)103 void GrouperTest::expectHasGroupWithSplits(const char* a) {
104 Vector<const char*> expected;
105 expected.add(a);
106 expectHasGroupWithSplits(expected);
107 }
108
expectHasGroupWithSplits(const char * a,const char * b)109 void GrouperTest::expectHasGroupWithSplits(const char* a, const char* b) {
110 Vector<const char*> expected;
111 expected.add(a);
112 expected.add(b);
113 expectHasGroupWithSplits(expected);
114 }
115
expectHasGroupWithSplits(const char * a,const char * b,const char * c)116 void GrouperTest::expectHasGroupWithSplits(const char* a, const char* b, const char* c) {
117 Vector<const char*> expected;
118 expected.add(a);
119 expected.add(b);
120 expected.add(c);
121 expectHasGroupWithSplits(expected);
122 }
123
expectHasGroupWithSplits(const char * a,const char * b,const char * c,const char * d)124 void GrouperTest::expectHasGroupWithSplits(const char* a, const char* b, const char* c, const char* d) {
125 Vector<const char*> expected;
126 expected.add(a);
127 expected.add(b);
128 expected.add(c);
129 expected.add(d);
130 expectHasGroupWithSplits(expected);
131 }
132
expectHasGroupWithSplits(const Vector<const char * > & expectedStrs)133 void GrouperTest::expectHasGroupWithSplits(const Vector<const char*>& expectedStrs) {
134 Vector<SplitDescription> splits;
135 const size_t expectedStrCount = expectedStrs.size();
136 for (size_t i = 0; i < expectedStrCount; i++) {
137 splits.add();
138 if (!SplitDescription::parse(String8(expectedStrs[i]), &splits.editTop())) {
139 ADD_FAILURE() << "Failed to parse SplitDescription " << expectedStrs[i];
140 return;
141 }
142 }
143 const size_t splitCount = splits.size();
144
145 const size_t groupCount = mGroups.size();
146 for (size_t i = 0; i < groupCount; i++) {
147 const SortedVector<SplitDescription>& group = mGroups[i];
148 if (group.size() != splitCount) {
149 continue;
150 }
151
152 size_t found = 0;
153 for (size_t j = 0; j < splitCount; j++) {
154 if (group.indexOf(splits[j]) >= 0) {
155 found++;
156 }
157 }
158
159 if (found == splitCount) {
160 return;
161 }
162 }
163
164 String8 errorMessage("Failed to find expected group [");
165 for (size_t i = 0; i < splitCount; i++) {
166 if (i != 0) {
167 errorMessage.append(", ");
168 }
169 errorMessage.append(splits[i].toString());
170 }
171 errorMessage.append("].\nActual:\n");
172
173 for (size_t i = 0; i < groupCount; i++) {
174 errorMessage.appendFormat("Group %d:\n", int(i + 1));
175 const SortedVector<SplitDescription>& group = mGroups[i];
176 for (size_t j = 0; j < group.size(); j++) {
177 errorMessage.append(" ");
178 errorMessage.append(group[j].toString());
179 errorMessage.append("\n");
180 }
181 }
182 ADD_FAILURE() << errorMessage.string();
183 }
184
addSplit(Vector<SplitDescription> & splits,const char * str)185 void GrouperTest::addSplit(Vector<SplitDescription>& splits, const char* str) {
186 splits.add();
187 EXPECT_TRUE(SplitDescription::parse(String8(str), &splits.editTop()));
188 }
189
190 } // namespace split
191