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
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
|
// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/leveldb_proto/internal/shared_proto_database.h"
#include "base/files/scoped_temp_dir.h"
#include "base/functional/bind.h"
#include "base/task/sequenced_task_runner.h"
#include "base/test/task_environment.h"
#include "base/threading/thread.h"
#include "build/build_config.h"
#include "components/leveldb_proto/internal/proto_leveldb_wrapper.h"
#include "components/leveldb_proto/testing/proto/test_db.pb.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
using testing::_;
namespace leveldb_proto {
namespace {
inline void GetClientFromTaskRunner(SharedProtoDatabase* db,
ProtoDbType db_type,
base::OnceClosure closure) {
db->GetClientForTesting(
db_type, true /* create_if_missing */,
base::BindOnce(
[](base::OnceClosure closure, Enums::InitStatus status,
SharedDBMetadataProto::MigrationStatus migration_status) {
EXPECT_EQ(SharedDBMetadataProto::MIGRATION_NOT_ATTEMPTED,
migration_status);
std::move(closure).Run();
},
std::move(closure)));
}
} // namespace
class MockSharedDb : public SharedProtoDatabase {
public:
MockSharedDb(const std::string& client_db_id, const base::FilePath& db_dir)
: SharedProtoDatabase(client_db_id, db_dir) {}
MOCK_METHOD1(DestroyObsoleteSharedProtoDatabaseClients,
void(Callbacks::UpdateCallback));
private:
friend class base::RefCountedThreadSafe<MockSharedDb>;
friend class SharedProtoDatabaseTest;
~MockSharedDb() override = default;
};
class SharedProtoDatabaseTest : public testing::Test {
public:
void SetUp() override {
ASSERT_TRUE(temp_dir_.CreateUniqueTempDir());
db_ = base::WrapRefCounted(new MockSharedDb("client", temp_dir_.GetPath()));
}
void TearDown() override {
if (db_)
db_->Shutdown();
}
void InitDB(bool create_if_missing,
const std::string& client_name,
SharedClientInitCallback callback) {
db_->task_runner_->PostTask(
FROM_HERE,
base::BindOnce(&SharedProtoDatabase::Init, db_, create_if_missing,
client_name, std::move(callback),
task_environment_.GetMainThreadTaskRunner()));
}
void KillDB() {
db_->Shutdown();
db_.reset();
}
bool IsDatabaseInitialized(SharedProtoDatabase* db) {
return db->init_state_ == SharedProtoDatabase::InitState::kSuccess;
}
std::unique_ptr<SharedProtoDatabaseClient> GetClientAndWait(
SharedProtoDatabase* db,
ProtoDbType db_type,
bool create_if_missing,
Enums::InitStatus* status) {
base::RunLoop loop;
auto client = db->GetClientForTesting(
db_type, create_if_missing,
base::BindOnce(
[](Enums::InitStatus* status_out, base::OnceClosure closure,
Enums::InitStatus status,
SharedDBMetadataProto::MigrationStatus migration_status) {
EXPECT_EQ(SharedDBMetadataProto::MIGRATION_NOT_ATTEMPTED,
migration_status);
*status_out = status;
std::move(closure).Run();
},
status, loop.QuitClosure()));
loop.Run();
return client;
}
scoped_refptr<base::SequencedTaskRunner> GetMainThreadTaskRunner() {
return task_environment_.GetMainThreadTaskRunner();
}
MockSharedDb* db() { return db_.get(); }
ProtoLevelDBWrapper* wrapper() { return db_->db_wrapper_.get(); }
private:
base::ScopedTempDir temp_dir_;
base::test::TaskEnvironment task_environment_;
scoped_refptr<MockSharedDb> db_;
};
TEST_F(SharedProtoDatabaseTest, CreateClient_SucceedsWithCreate) {
auto status = Enums::InitStatus::kError;
GetClientAndWait(db(), ProtoDbType::TEST_DATABASE0,
true /* create_if_missing */, &status);
ASSERT_EQ(status, Enums::InitStatus::kOK);
}
TEST_F(SharedProtoDatabaseTest, CreateClient_FailsWithoutCreate) {
auto status = Enums::InitStatus::kError;
GetClientAndWait(db(), ProtoDbType::TEST_DATABASE0,
false /* create_if_missing */, &status);
ASSERT_EQ(status, Enums::InitStatus::kInvalidOperation);
}
TEST_F(SharedProtoDatabaseTest,
CreateClient_SucceedsWithoutCreateIfAlreadyCreated) {
auto status = Enums::InitStatus::kError;
GetClientAndWait(db(), ProtoDbType::TEST_DATABASE2,
true /* create_if_missing */, &status);
ASSERT_EQ(status, Enums::InitStatus::kOK);
GetClientAndWait(db(), ProtoDbType::TEST_DATABASE0,
false /* create_if_missing */, &status);
ASSERT_EQ(status, Enums::InitStatus::kOK);
}
TEST_F(SharedProtoDatabaseTest, GetClient_DifferentThreads) {
auto status = Enums::InitStatus::kError;
GetClientAndWait(db(), ProtoDbType::TEST_DATABASE0,
true /* create_if_missing */, &status);
ASSERT_EQ(status, Enums::InitStatus::kOK);
base::Thread t("test_thread");
ASSERT_TRUE(t.Start());
base::RunLoop run_loop;
t.task_runner()->PostTask(
FROM_HERE,
base::BindOnce(&GetClientFromTaskRunner, base::Unretained(db()),
ProtoDbType::TEST_DATABASE2, run_loop.QuitClosure()));
run_loop.Run();
base::RunLoop quit_cooldown;
GetMainThreadTaskRunner()->PostDelayedTask(
FROM_HERE, quit_cooldown.QuitClosure(), base::Seconds(3));
}
// If not attempt to create the db, kInvalidOperation will be returned in the
// callback.
TEST_F(SharedProtoDatabaseTest, InitNotCreateDb) {
base::RunLoop run_init_loop;
InitDB(false /* create_if_missing */, "TestDatabaseUMA",
base::BindOnce(
[](base::OnceClosure signal, Enums::InitStatus status,
SharedDBMetadataProto::MigrationStatus migration_status) {
EXPECT_EQ(SharedDBMetadataProto::MIGRATION_NOT_ATTEMPTED,
migration_status);
EXPECT_EQ(status, Enums::InitStatus::kInvalidOperation);
std::move(signal).Run();
},
run_init_loop.QuitClosure()));
run_init_loop.Run();
}
// If two initialize calls with different create_if_missing parameter arrive at
// the same time, the shared db will be created.
TEST_F(SharedProtoDatabaseTest, InitWithDifferentCreateIfMissing) {
base::RunLoop run_init_loop;
InitDB(false /* create_if_missing */, "TestDatabaseUMA1",
base::BindOnce(
[](base::OnceClosure signal, Enums::InitStatus status,
SharedDBMetadataProto::MigrationStatus migration_status) {
EXPECT_EQ(SharedDBMetadataProto::MIGRATION_NOT_ATTEMPTED,
migration_status);
EXPECT_EQ(status, Enums::InitStatus::kOK);
std::move(signal).Run();
},
run_init_loop.QuitClosure()));
InitDB(true /* create_if_missing */, "TestDatabaseUMA2",
base::BindOnce(
[](Enums::InitStatus status,
SharedDBMetadataProto::MigrationStatus migration_status) {
EXPECT_EQ(SharedDBMetadataProto::MIGRATION_NOT_ATTEMPTED,
migration_status);
EXPECT_EQ(status, Enums::InitStatus::kOK);
}));
run_init_loop.Run();
}
// Tests that the shared DB's destructor behaves appropriately once the
// backing LevelDB has been initialized on another thread.
TEST_F(SharedProtoDatabaseTest, TestDBDestructionAfterInit) {
base::RunLoop run_init_loop;
InitDB(true /* create_if_missing */, "TestDatabaseUMA",
base::BindOnce(
[](base::OnceClosure signal, Enums::InitStatus status,
SharedDBMetadataProto::MigrationStatus migration_status) {
EXPECT_EQ(SharedDBMetadataProto::MIGRATION_NOT_ATTEMPTED,
migration_status);
ASSERT_EQ(status, Enums::InitStatus::kOK);
std::move(signal).Run();
},
run_init_loop.QuitClosure()));
run_init_loop.Run();
KillDB();
}
TEST_F(SharedProtoDatabaseTest, CancelDeleteObsoleteClients) {
base::RunLoop run_init_loop;
EXPECT_CALL(*db(), DestroyObsoleteSharedProtoDatabaseClients(_)).Times(0);
InitDB(true /* create_if_missing */, "TestDatabaseUMA",
base::BindOnce(
[](base::OnceClosure signal, Enums::InitStatus status,
SharedDBMetadataProto::MigrationStatus migration_status) {
EXPECT_EQ(SharedDBMetadataProto::MIGRATION_NOT_ATTEMPTED,
migration_status);
ASSERT_EQ(status, Enums::InitStatus::kOK);
std::move(signal).Run();
},
run_init_loop.QuitClosure()));
run_init_loop.Run();
auto db_task_runner = db()->database_task_runner_for_testing();
KillDB();
base::RunLoop wait_task;
db_task_runner->PostTask(FROM_HERE, wait_task.QuitClosure());
wait_task.Run();
}
TEST_F(SharedProtoDatabaseTest, DeleteObsoleteClients) {
db()->SetDeleteObsoleteDelayForTesting(base::TimeDelta());
EXPECT_CALL(*db(), DestroyObsoleteSharedProtoDatabaseClients(_)).Times(1);
base::RunLoop run_init_loop;
InitDB(true /* create_if_missing */, "TestDatabaseUMA",
base::BindOnce(
[](base::OnceClosure signal, Enums::InitStatus status,
SharedDBMetadataProto::MigrationStatus migration_status) {
EXPECT_EQ(SharedDBMetadataProto::MIGRATION_NOT_ATTEMPTED,
migration_status);
ASSERT_EQ(status, Enums::InitStatus::kOK);
std::move(signal).Run();
},
run_init_loop.QuitClosure()));
run_init_loop.Run();
auto db_task_runner = db()->database_task_runner_for_testing();
base::RunLoop wait_task;
db_task_runner->PostTask(FROM_HERE, wait_task.QuitClosure());
wait_task.Run();
KillDB();
}
} // namespace leveldb_proto
|
