1 /*
2  * Copyright 2020 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 "storage/mutation.h"
18 
19 #include <gmock/gmock.h>
20 #include <gtest/gtest.h>
21 
22 #include "storage/config_cache.h"
23 #include "storage/device.h"
24 
25 namespace testing {
26 
27 using bluetooth::storage::ConfigCache;
28 using bluetooth::storage::Device;
29 using bluetooth::storage::Mutation;
30 using bluetooth::storage::MutationEntry;
31 
TEST(MutationTest,simple_sequence_test)32 TEST(MutationTest, simple_sequence_test) {
33   ConfigCache config(100, Device::kLinkKeyProperties);
34   ConfigCache memory_only_config(100, {});
35   config.SetProperty("A", "B", "C");
36   config.SetProperty("AA:BB:CC:DD:EE:FF", "B", "C");
37   config.SetProperty("AA:BB:CC:DD:EE:FF", "C", "D");
38   config.SetProperty("CC:DD:EE:FF:00:11", "LinkKey", "AABBAABBCCDDEE");
39   Mutation mutation(&config, &memory_only_config);
40   mutation.Add(MutationEntry::Set(MutationEntry::PropertyType::NORMAL, "AA:BB:CC:DD:EE:FF",
41                                   "LinkKey", "CCDDEEFFGG"));
42   mutation.Add(MutationEntry::Remove(MutationEntry::PropertyType::NORMAL, "AA:BB:CC:DD:EE:FF",
43                                      "LinkKey"));
44   mutation.Commit();
45   ASSERT_THAT(config.GetPersistentSections(), ElementsAre("CC:DD:EE:FF:00:11"));
46   Mutation mutation2(&config, &memory_only_config);
47   mutation2.Add(MutationEntry::Set(MutationEntry::PropertyType::NORMAL, "AA:BB:CC:DD:EE:FF",
48                                    "LinkKey", "CCDDEEFFGG"));
49   mutation2.Commit();
50   ASSERT_THAT(config.GetPersistentSections(),
51               ElementsAre("CC:DD:EE:FF:00:11", "AA:BB:CC:DD:EE:FF"));
52 }
53 
TEST(MutationTest,remove_property_and_section)54 TEST(MutationTest, remove_property_and_section) {
55   ConfigCache config(100, Device::kLinkKeyProperties);
56   ConfigCache memory_only_config(100, {});
57   config.SetProperty("A", "B", "C");
58   config.SetProperty("A", "C", "D");
59   config.SetProperty("B", "B", "C");
60   config.SetProperty("B", "C", "D");
61   ASSERT_TRUE(config.HasSection("A"));
62   ASSERT_TRUE(config.HasProperty("A", "B"));
63   ASSERT_TRUE(config.HasProperty("A", "C"));
64   ASSERT_TRUE(config.HasSection("B"));
65   ASSERT_TRUE(config.HasProperty("B", "B"));
66   ASSERT_TRUE(config.HasProperty("B", "C"));
67   {
68     Mutation mutation(&config, &memory_only_config);
69     mutation.Add(MutationEntry::Remove(MutationEntry::PropertyType::NORMAL, "A", "B"));
70     mutation.Commit();
71   }
72   ASSERT_TRUE(config.HasSection("A"));
73   ASSERT_FALSE(config.HasProperty("A", "B"));
74   ASSERT_TRUE(config.HasProperty("A", "C"));
75   ASSERT_TRUE(config.HasSection("B"));
76   ASSERT_TRUE(config.HasProperty("B", "B"));
77   ASSERT_TRUE(config.HasProperty("B", "C"));
78   {
79     Mutation mutation(&config, &memory_only_config);
80     mutation.Add(MutationEntry::Remove(MutationEntry::PropertyType::NORMAL, "B"));
81     mutation.Commit();
82   }
83   ASSERT_TRUE(config.HasSection("A"));
84   ASSERT_FALSE(config.HasProperty("A", "B"));
85   ASSERT_TRUE(config.HasProperty("A", "C"));
86   ASSERT_FALSE(config.HasSection("B"));
87   ASSERT_FALSE(config.HasProperty("B", "B"));
88   ASSERT_FALSE(config.HasProperty("B", "C"));
89   {
90     Mutation mutation(&config, &memory_only_config);
91     mutation.Add(MutationEntry::Remove(MutationEntry::PropertyType::NORMAL, "A", "C"));
92     mutation.Commit();
93   }
94   ASSERT_FALSE(config.HasSection("A"));
95   ASSERT_FALSE(config.HasProperty("A", "B"));
96   ASSERT_FALSE(config.HasProperty("A", "C"));
97   ASSERT_FALSE(config.HasSection("B"));
98   ASSERT_FALSE(config.HasProperty("B", "B"));
99   ASSERT_FALSE(config.HasProperty("B", "C"));
100 }
101 
TEST(MutationTest,add_and_remove_cancel_each_other)102 TEST(MutationTest, add_and_remove_cancel_each_other) {
103   ConfigCache config(100, Device::kLinkKeyProperties);
104   ConfigCache memory_only_config(100, {});
105   ASSERT_FALSE(config.HasSection("A"));
106   Mutation mutation(&config, &memory_only_config);
107   mutation.Add(MutationEntry::Set(MutationEntry::PropertyType::NORMAL, "A", "B", "C"));
108   mutation.Add(MutationEntry::Remove(MutationEntry::PropertyType::NORMAL, "A", "B"));
109   mutation.Commit();
110   ASSERT_FALSE(config.HasSection("A"));
111 }
112 
TEST(MutationTest,add_to_different_configs)113 TEST(MutationTest, add_to_different_configs) {
114   ConfigCache config(100, Device::kLinkKeyProperties);
115   ConfigCache memory_only_config(100, {});
116   ASSERT_FALSE(config.HasSection("A"));
117   Mutation mutation(&config, &memory_only_config);
118   mutation.Add(MutationEntry::Set(MutationEntry::PropertyType::NORMAL, "A", "B", "C"));
119   mutation.Add(MutationEntry::Set(MutationEntry::PropertyType::MEMORY_ONLY, "A", "D", "Hello"));
120   mutation.Commit();
121   ASSERT_TRUE(config.HasProperty("A", "B"));
122   ASSERT_FALSE(config.HasProperty("A", "D"));
123   ASSERT_THAT(config.GetProperty("A", "B"), Optional(StrEq("C")));
124   ASSERT_FALSE(memory_only_config.HasProperty("A", "B"));
125   ASSERT_TRUE(memory_only_config.HasProperty("A", "D"));
126   ASSERT_THAT(memory_only_config.GetProperty("A", "D"), Optional(StrEq("Hello")));
127 }
128 
129 }  // namespace testing
130