1 /*
2  * Copyright (C) 2016 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 "optimize/ResourceDeduper.h"
18 
19 #include "ResourceTable.h"
20 #include "test/Test.h"
21 
22 using ::aapt::test::HasValue;
23 using ::android::ConfigDescription;
24 using ::testing::Not;
25 
26 namespace aapt {
27 
TEST(ResourceDeduperTest,SameValuesAreDeduped)28 TEST(ResourceDeduperTest, SameValuesAreDeduped) {
29   std::unique_ptr<IAaptContext> context = test::ContextBuilder().Build();
30   const ConfigDescription default_config = {};
31   const ConfigDescription ldrtl_config = test::ParseConfigOrDie("ldrtl");
32   const ConfigDescription ldrtl_v21_config = test::ParseConfigOrDie("ldrtl-v21");
33   const ConfigDescription en_config = test::ParseConfigOrDie("en");
34   const ConfigDescription en_v21_config = test::ParseConfigOrDie("en-v21");
35   // Chosen because this configuration is compatible with ldrtl/en.
36   const ConfigDescription land_config = test::ParseConfigOrDie("land");
37 
38   std::unique_ptr<ResourceTable> table =
39       test::ResourceTableBuilder()
40           .AddString("android:string/dedupe", ResourceId{}, default_config, "dedupe")
41           .AddString("android:string/dedupe", ResourceId{}, ldrtl_config, "dedupe")
42           .AddString("android:string/dedupe", ResourceId{}, land_config, "dedupe")
43 
44           .AddString("android:string/dedupe2", ResourceId{}, default_config, "dedupe")
45           .AddString("android:string/dedupe2", ResourceId{}, ldrtl_config, "dedupe")
46           .AddString("android:string/dedupe2", ResourceId{}, ldrtl_v21_config, "keep")
47           .AddString("android:string/dedupe2", ResourceId{}, land_config, "dedupe")
48 
49           .AddString("android:string/dedupe3", ResourceId{}, default_config, "dedupe")
50           .AddString("android:string/dedupe3", ResourceId{}, en_config, "dedupe")
51           .AddString("android:string/dedupe3", ResourceId{}, en_v21_config, "dedupe")
52           .Build();
53 
54   ASSERT_TRUE(ResourceDeduper().Consume(context.get(), table.get()));
55   EXPECT_THAT(table, Not(HasValue("android:string/dedupe", ldrtl_config)));
56   EXPECT_THAT(table, Not(HasValue("android:string/dedupe", land_config)));
57 
58   EXPECT_THAT(table, HasValue("android:string/dedupe2", ldrtl_v21_config));
59   EXPECT_THAT(table, Not(HasValue("android:string/dedupe2", ldrtl_config)));
60 
61   EXPECT_THAT(table, HasValue("android:string/dedupe3", default_config));
62   EXPECT_THAT(table, HasValue("android:string/dedupe3", en_config));
63   EXPECT_THAT(table, Not(HasValue("android:string/dedupe3", en_v21_config)));
64 }
65 
TEST(ResourceDeduperTest,DifferentValuesAreKept)66 TEST(ResourceDeduperTest, DifferentValuesAreKept) {
67   std::unique_ptr<IAaptContext> context = test::ContextBuilder().Build();
68   const ConfigDescription default_config = {};
69   const ConfigDescription ldrtl_config = test::ParseConfigOrDie("ldrtl");
70   const ConfigDescription ldrtl_v21_config = test::ParseConfigOrDie("ldrtl-v21");
71   // Chosen because this configuration is compatible with ldrtl.
72   const ConfigDescription land_config = test::ParseConfigOrDie("land");
73 
74   std::unique_ptr<ResourceTable> table =
75       test::ResourceTableBuilder()
76           .AddString("android:string/keep", ResourceId{}, default_config, "keep")
77           .AddString("android:string/keep", ResourceId{}, ldrtl_config, "keep")
78           .AddString("android:string/keep", ResourceId{}, ldrtl_v21_config, "keep2")
79           .AddString("android:string/keep", ResourceId{}, land_config, "keep2")
80           .Build();
81 
82   ASSERT_TRUE(ResourceDeduper().Consume(context.get(), table.get()));
83   EXPECT_THAT(table, HasValue("android:string/keep", default_config));
84   EXPECT_THAT(table, HasValue("android:string/keep", ldrtl_config));
85   EXPECT_THAT(table, HasValue("android:string/keep", ldrtl_v21_config));
86   EXPECT_THAT(table, HasValue("android:string/keep", land_config));
87 }
88 
TEST(ResourceDeduperTest,SameValuesAreDedupedIncompatibleSiblings)89 TEST(ResourceDeduperTest, SameValuesAreDedupedIncompatibleSiblings) {
90   std::unique_ptr<IAaptContext> context = test::ContextBuilder().Build();
91   const ConfigDescription default_config = {};
92   const ConfigDescription ldrtl_config = test::ParseConfigOrDie("ldrtl");
93   const ConfigDescription ldrtl_night_config = test::ParseConfigOrDie("ldrtl-night");
94   // Chosen because this configuration is not compatible with ldrtl-night.
95   const ConfigDescription ldrtl_notnight_config = test::ParseConfigOrDie("ldrtl-notnight");
96 
97   std::unique_ptr<ResourceTable> table =
98       test::ResourceTableBuilder()
99           .AddString("android:string/keep", ResourceId{}, default_config, "keep")
100           .AddString("android:string/keep", ResourceId{}, ldrtl_config, "dedupe")
101           .AddString("android:string/keep", ResourceId{}, ldrtl_night_config, "dedupe")
102           .AddString("android:string/keep", ResourceId{}, ldrtl_notnight_config, "keep2")
103           .Build();
104 
105   ASSERT_TRUE(ResourceDeduper().Consume(context.get(), table.get()));
106   EXPECT_THAT(table, HasValue("android:string/keep", default_config));
107   EXPECT_THAT(table, HasValue("android:string/keep", ldrtl_config));
108   EXPECT_THAT(table, Not(HasValue("android:string/keep", ldrtl_night_config)));
109   EXPECT_THAT(table, HasValue("android:string/keep", ldrtl_notnight_config));
110 }
111 
TEST(ResourceDeduperTest,SameValuesAreDedupedCompatibleNonSiblings)112 TEST(ResourceDeduperTest, SameValuesAreDedupedCompatibleNonSiblings) {
113   std::unique_ptr<IAaptContext> context = test::ContextBuilder().Build();
114   const ConfigDescription default_config = {};
115   const ConfigDescription ldrtl_config = test::ParseConfigOrDie("ldrtl");
116   const ConfigDescription ldrtl_night_config = test::ParseConfigOrDie("ldrtl-night");
117   // Chosen because this configuration is compatible with ldrtl.
118   const ConfigDescription land_config = test::ParseConfigOrDie("land");
119 
120   std::unique_ptr<ResourceTable> table =
121       test::ResourceTableBuilder()
122           .AddString("android:string/keep", ResourceId{}, default_config, "keep")
123           .AddString("android:string/keep", ResourceId{}, ldrtl_config, "dedupe")
124           .AddString("android:string/keep", ResourceId{}, ldrtl_night_config, "dedupe")
125           .AddString("android:string/keep", ResourceId{}, land_config, "keep2")
126           .Build();
127 
128   ASSERT_TRUE(ResourceDeduper().Consume(context.get(), table.get()));
129   EXPECT_THAT(table, HasValue("android:string/keep", default_config));
130   EXPECT_THAT(table, HasValue("android:string/keep", ldrtl_config));
131   EXPECT_THAT(table, Not(HasValue("android:string/keep", ldrtl_night_config)));
132   EXPECT_THAT(table, HasValue("android:string/keep", land_config));
133 }
134 
TEST(ResourceDeduperTest,LocalesValuesAreKept)135 TEST(ResourceDeduperTest, LocalesValuesAreKept) {
136   std::unique_ptr<IAaptContext> context = test::ContextBuilder().Build();
137   const ConfigDescription default_config = {};
138   const ConfigDescription fr_config = test::ParseConfigOrDie("fr");
139   const ConfigDescription fr_rCA_config = test::ParseConfigOrDie("fr-rCA");
140 
141   std::unique_ptr<ResourceTable> table =
142       test::ResourceTableBuilder()
143           .AddString("android:string/keep", ResourceId{}, default_config, "keep")
144           .AddString("android:string/keep", ResourceId{}, fr_config, "keep")
145           .AddString("android:string/keep", ResourceId{}, fr_rCA_config, "keep")
146           .Build();
147 
148   ASSERT_TRUE(ResourceDeduper().Consume(context.get(), table.get()));
149   EXPECT_THAT(table, HasValue("android:string/keep", default_config));
150   EXPECT_THAT(table, HasValue("android:string/keep", fr_config));
151   EXPECT_THAT(table, HasValue("android:string/keep", fr_rCA_config));
152 }
153 
154 }  // namespace aapt
155