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
|
/**
* Copyright (C) 2018-present MongoDB, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the Server Side Public License, version 1,
* as published by MongoDB, Inc.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* Server Side Public License for more details.
*
* You should have received a copy of the Server Side Public License
* along with this program. If not, see
* <http://www.mongodb.com/licensing/server-side-public-license>.
*
* As a special exception, the copyright holders give permission to link the
* code of portions of this program with the OpenSSL library under certain
* conditions as described in each individual source file and distribute
* linked combinations including the program with the OpenSSL library. You
* must comply with the Server Side Public License in all respects for
* all of the code used other than as permitted herein. If you modify file(s)
* with this exception, you may extend this exception to your version of the
* file(s), but you are not obligated to do so. If you do not wish to do so,
* delete this exception statement from your version. If you delete this
* exception statement from all source files in the program, then also delete
* it in the license file.
*/
#include "mongo/platform/basic.h"
#include "mongo/db/service_context_d_test_fixture.h"
#include <memory>
#include "mongo/base/checked_cast.h"
#include "mongo/db/catalog/catalog_control.h"
#include "mongo/db/catalog/collection_catalog.h"
#include "mongo/db/catalog/collection_impl.h"
#include "mongo/db/catalog/database_holder_impl.h"
#include "mongo/db/concurrency/d_concurrency.h"
#include "mongo/db/global_settings.h"
#include "mongo/db/index_builds_coordinator_mongod.h"
#include "mongo/db/op_observer/op_observer_registry.h"
#include "mongo/db/repl/repl_settings.h"
#include "mongo/db/repl/replication_coordinator_mock.h"
#include "mongo/db/s/collection_sharding_state_factory_shard.h"
#include "mongo/db/service_entry_point_mongod.h"
#include "mongo/db/storage/control/storage_control.h"
#include "mongo/db/storage/storage_engine_init.h"
#include "mongo/db/storage/storage_options.h"
#include "mongo/logv2/log.h"
#include "mongo/util/assert_util.h"
#include "mongo/util/clock_source_mock.h"
#include "mongo/util/periodic_runner_factory.h"
#define MONGO_LOGV2_DEFAULT_COMPONENT ::mongo::logv2::LogComponent::kTest
namespace mongo {
ServiceContextMongoDTest::ServiceContextMongoDTest(Options options)
: _journalListener(std::move(options._journalListener)),
_tempDir("service_context_d_test_fixture") {
if (options._forceDisableTableLogging) {
storageGlobalParams.forceDisableTableLogging = true;
}
if (options._useReplSettings) {
repl::ReplSettings replSettings;
replSettings.setOplogSizeBytes(10 * 1024 * 1024);
replSettings.setReplSetString("rs0");
setGlobalReplSettings(replSettings);
} else {
repl::ReplSettings replSettings;
// The empty string "disables" replication.
replSettings.setReplSetString("");
setGlobalReplSettings(replSettings);
}
_stashedStorageParams.engine =
std::exchange(storageGlobalParams.engine, std::move(options._engine));
_stashedStorageParams.engineSetByUser =
std::exchange(storageGlobalParams.engineSetByUser, true);
_stashedStorageParams.repair =
std::exchange(storageGlobalParams.repair, (options._repair == RepairAction::kRepair));
_stashedServerParams.enableMajorityReadConcern = serverGlobalParams.enableMajorityReadConcern;
if (storageGlobalParams.engine == "devnull") {
// The devnull storage engine does not support majority read concern.
LOGV2(4939201,
"Disabling majority read concern as it isn't supported by the storage engine",
"storageEngine"_attr = storageGlobalParams.engine);
serverGlobalParams.enableMajorityReadConcern = false;
}
auto const serviceContext = getServiceContext();
if (options._useMockClock) {
// Copied from dbtests.cpp. DBTests sets up a controlled mock clock while
// ServiceContextMongoDTest uses the system clock. Tests moved from dbtests to unittests may
// depend on a deterministic clock. Additionally, if a test chooses to set a non-zero
// _autoAdvancingMockClockIncrement, the mock clock will automatically advance by that
// increment each time it is read.
auto fastClock = std::make_unique<AutoAdvancingClockSourceMock>(
options._autoAdvancingMockClockIncrement);
// Timestamps are split into two 32-bit integers, seconds and "increments". Currently
// (but maybe not for eternity), a Timestamp with a value of `0` seconds is always
// considered "null" by `Timestamp::isNull`, regardless of its increment value. Ticking
// the `ClockSourceMock` only bumps the "increment" counter, thus by default, generating
// "null" timestamps. Bumping by one second here avoids any accidental interpretations.
fastClock->advance(Seconds(1));
serviceContext->setFastClockSource(std::move(fastClock));
auto preciseClock = std::make_unique<AutoAdvancingClockSourceMock>(
options._autoAdvancingMockClockIncrement);
// See above.
preciseClock->advance(Seconds(1));
serviceContext->setPreciseClockSource(std::move(preciseClock));
}
if (options._mockTickSource) {
serviceContext->setTickSource(std::move(options._mockTickSource));
}
serviceContext->setServiceEntryPoint(std::make_unique<ServiceEntryPointMongod>(serviceContext));
// Set up the periodic runner to allow background job execution for tests that require it.
auto runner = makePeriodicRunner(getServiceContext());
getServiceContext()->setPeriodicRunner(std::move(runner));
storageGlobalParams.dbpath = _tempDir.path();
storageGlobalParams.ephemeral = options._ephemeral;
// Since unit tests start in their own directories, by default skip lock file and metadata file
// for faster startup.
auto opCtx = serviceContext->makeOperationContext(getClient());
initializeStorageEngine(opCtx.get(), options._initFlags);
StorageControl::startStorageControls(serviceContext, true /*forTestOnly*/);
DatabaseHolder::set(serviceContext, std::make_unique<DatabaseHolderImpl>());
Collection::Factory::set(serviceContext, std::make_unique<CollectionImpl::FactoryImpl>());
IndexBuildsCoordinator::set(serviceContext, std::make_unique<IndexBuildsCoordinatorMongod>());
CollectionShardingStateFactory::set(
getServiceContext(),
std::make_unique<CollectionShardingStateFactoryShard>(getServiceContext()));
getServiceContext()->getStorageEngine()->notifyStartupComplete();
if (_journalListener) {
serviceContext->getStorageEngine()->setJournalListener(_journalListener.get());
}
}
ServiceContextMongoDTest::~ServiceContextMongoDTest() {
CollectionShardingStateFactory::clear(getServiceContext());
{
ServiceContext::UniqueOperationContext uniqueOpCtx;
auto opCtx = getClient()->getOperationContext();
if (!opCtx) {
uniqueOpCtx = getClient()->makeOperationContext();
opCtx = uniqueOpCtx.get();
}
Lock::GlobalLock glk(opCtx, MODE_X);
auto databaseHolder = DatabaseHolder::get(opCtx);
databaseHolder->closeAll(opCtx);
}
shutdownGlobalStorageEngineCleanly(getServiceContext());
std::swap(storageGlobalParams.engine, _stashedStorageParams.engine);
std::swap(storageGlobalParams.engineSetByUser, _stashedStorageParams.engineSetByUser);
std::swap(storageGlobalParams.repair, _stashedStorageParams.repair);
std::swap(serverGlobalParams.enableMajorityReadConcern,
_stashedServerParams.enableMajorityReadConcern);
storageGlobalParams.reset();
}
void ServiceContextMongoDTest::tearDown() {
{
// Some tests set the current OperationContext but do not release it until destruction.
ServiceContext::UniqueOperationContext uniqueOpCtx;
auto opCtx = getClient()->getOperationContext();
if (!opCtx) {
uniqueOpCtx = getClient()->makeOperationContext();
opCtx = uniqueOpCtx.get();
}
IndexBuildsCoordinator::get(opCtx)->shutdown(opCtx);
}
ServiceContextTest::tearDown();
}
} // namespace mongo
|
