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
|
/**
* 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/free_mon/free_mon_message.h"
#include "mongo/db/free_mon/free_mon_queue.h"
#include "mongo/db/service_context.h"
#include "mongo/db/service_context_d_test_fixture.h"
#include "mongo/executor/network_interface_mock.h"
#include "mongo/executor/thread_pool_task_executor.h"
#include "mongo/executor/thread_pool_task_executor_test_fixture.h"
#include "mongo/unittest/barrier.h"
#include "mongo/unittest/unittest.h"
#include "mongo/util/time_support.h"
namespace mongo {
namespace {
class FreeMonQueueTest : public ServiceContextMongoDTest {
private:
void setUp() final;
void tearDown() final;
protected:
ServiceContext::UniqueOperationContext _opCtx;
executor::NetworkInterfaceMock* _mockNetwork{nullptr};
std::unique_ptr<executor::ThreadPoolTaskExecutor> _mockThreadPool;
};
void FreeMonQueueTest::setUp() {
ServiceContextMongoDTest::setUp();
// Set up a NetworkInterfaceMock. Note, unlike NetworkInterfaceASIO, which has its own pool of
// threads, tasks in the NetworkInterfaceMock must be carried out synchronously by the (single)
// thread the unit test is running on.
auto netForFixedTaskExecutor = std::make_unique<executor::NetworkInterfaceMock>();
_mockNetwork = netForFixedTaskExecutor.get();
// Set up a ThreadPoolTaskExecutor. Note, for local tasks this TaskExecutor uses a
// ThreadPoolMock, and for remote tasks it uses the NetworkInterfaceMock created above. However,
// note that the ThreadPoolMock uses the NetworkInterfaceMock's threads to run tasks, which is
// again just the (single) thread the unit test is running on. Therefore, all tasks, local and
// remote, must be carried out synchronously by the test thread.
_mockThreadPool = makeThreadPoolTestExecutor(std::move(netForFixedTaskExecutor));
_mockThreadPool->startup();
_opCtx = cc().makeOperationContext();
}
void FreeMonQueueTest::tearDown() {
_opCtx = {};
ServiceContextMongoDTest::tearDown();
}
// Postive: Can we enqueue and dequeue one item
TEST_F(FreeMonQueueTest, TestBasic) {
FreeMonMessageQueue queue;
queue.enqueue(FreeMonMessage::createNow(FreeMonMessageType::RegisterServer));
auto item = queue.dequeue(_opCtx.get()->getServiceContext()->getPreciseClockSource());
ASSERT(item.get()->getType() == FreeMonMessageType::RegisterServer);
}
Date_t fromNow(int millis) {
return getGlobalServiceContext()->getPreciseClockSource()->now() + Milliseconds(millis);
}
// Positive: Ensure deadlines sort properly
TEST_F(FreeMonQueueTest, TestDeadlinePriority) {
FreeMonMessageQueue queue;
queue.enqueue(
FreeMonMessage::createWithDeadline(FreeMonMessageType::RegisterServer, fromNow(5000)));
queue.enqueue(
FreeMonMessage::createWithDeadline(FreeMonMessageType::RegisterCommand, fromNow(50)));
auto item = queue.dequeue(_opCtx.get()->getServiceContext()->getPreciseClockSource()).get();
ASSERT(item->getType() == FreeMonMessageType::RegisterCommand);
item = queue.dequeue(_opCtx.get()->getServiceContext()->getPreciseClockSource()).get();
ASSERT(item->getType() == FreeMonMessageType::RegisterServer);
}
// Positive: Ensure deadlines sort properly when they have the same deadlines
TEST_F(FreeMonQueueTest, TestFIFO) {
FreeMonMessageQueue queue;
queue.enqueue(FreeMonMessage::createWithDeadline(FreeMonMessageType::RegisterServer, Date_t()));
queue.enqueue(
FreeMonMessage::createWithDeadline(FreeMonMessageType::AsyncRegisterComplete, Date_t()));
queue.enqueue(
FreeMonMessage::createWithDeadline(FreeMonMessageType::RegisterCommand, Date_t()));
auto item = queue.dequeue(_opCtx.get()->getServiceContext()->getPreciseClockSource()).get();
ASSERT(item->getType() == FreeMonMessageType::RegisterServer);
item = queue.dequeue(_opCtx.get()->getServiceContext()->getPreciseClockSource()).get();
ASSERT(item->getType() == FreeMonMessageType::AsyncRegisterComplete);
item = queue.dequeue(_opCtx.get()->getServiceContext()->getPreciseClockSource()).get();
ASSERT(item->getType() == FreeMonMessageType::RegisterCommand);
}
// Positive: Test Queue Stop
TEST_F(FreeMonQueueTest, TestQueueStop) {
FreeMonMessageQueue queue;
queue.enqueue(
FreeMonMessage::createWithDeadline(FreeMonMessageType::RegisterServer, fromNow(50000)));
unittest::Barrier barrier(2);
auto swSchedule =
_mockThreadPool->scheduleWork([&](const executor::TaskExecutor::CallbackArgs& cbArgs) {
barrier.countDownAndWait();
// Try to dequeue from a stopped task queue
auto item = queue.dequeue(_opCtx.get()->getServiceContext()->getPreciseClockSource());
ASSERT_FALSE(item.is_initialized());
});
ASSERT_OK(swSchedule.getStatus());
// Stop the queue
queue.stop();
// Let our worker thread proceed
barrier.countDownAndWait();
_mockThreadPool->shutdown();
_mockThreadPool->join();
}
} // namespace
} // namespace mongo
|
