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
|
// Copyright (c) 2016-present, Facebook, Inc. All rights reserved.
// This source code is licensed under both the GPLv2 (found in the
// COPYING file in the root directory) and Apache 2.0 License
// (found in the LICENSE.Apache file in the root directory).
#ifndef ROCKSDB_LITE
#include "rocksdb/utilities/object_registry.h"
#include "test_util/testharness.h"
namespace ROCKSDB_NAMESPACE {
class EnvRegistryTest : public testing::Test {
public:
static int num_a, num_b;
};
int EnvRegistryTest::num_a = 0;
int EnvRegistryTest::num_b = 0;
static FactoryFunc<Env> test_reg_a = ObjectLibrary::Default()->Register<Env>(
"a://.*",
[](const std::string& /*uri*/, std::unique_ptr<Env>* /*env_guard*/,
std::string* /* errmsg */) {
++EnvRegistryTest::num_a;
return Env::Default();
});
static FactoryFunc<Env> test_reg_b = ObjectLibrary::Default()->Register<Env>(
"b://.*", [](const std::string& /*uri*/, std::unique_ptr<Env>* env_guard,
std::string* /* errmsg */) {
++EnvRegistryTest::num_b;
// Env::Default() is a singleton so we can't grant ownership directly to
// the caller - we must wrap it first.
env_guard->reset(new EnvWrapper(Env::Default()));
return env_guard->get();
});
TEST_F(EnvRegistryTest, Basics) {
std::string msg;
std::unique_ptr<Env> env_guard;
auto registry = ObjectRegistry::NewInstance();
auto res = registry->NewObject<Env>("a://test", &env_guard, &msg);
ASSERT_NE(res, nullptr);
ASSERT_EQ(env_guard, nullptr);
ASSERT_EQ(1, num_a);
ASSERT_EQ(0, num_b);
res = registry->NewObject<Env>("b://test", &env_guard, &msg);
ASSERT_NE(res, nullptr);
ASSERT_NE(env_guard, nullptr);
ASSERT_EQ(1, num_a);
ASSERT_EQ(1, num_b);
res = registry->NewObject<Env>("c://test", &env_guard, &msg);
ASSERT_EQ(res, nullptr);
ASSERT_EQ(env_guard, nullptr);
ASSERT_EQ(1, num_a);
ASSERT_EQ(1, num_b);
}
TEST_F(EnvRegistryTest, LocalRegistry) {
std::string msg;
std::unique_ptr<Env> guard;
auto registry = ObjectRegistry::NewInstance();
std::shared_ptr<ObjectLibrary> library = std::make_shared<ObjectLibrary>();
registry->AddLibrary(library);
library->Register<Env>(
"test-local",
[](const std::string& /*uri*/, std::unique_ptr<Env>* /*guard */,
std::string* /* errmsg */) { return Env::Default(); });
ObjectLibrary::Default()->Register<Env>(
"test-global",
[](const std::string& /*uri*/, std::unique_ptr<Env>* /*guard */,
std::string* /* errmsg */) { return Env::Default(); });
ASSERT_EQ(
ObjectRegistry::NewInstance()->NewObject<Env>("test-local", &guard, &msg),
nullptr);
ASSERT_NE(
ObjectRegistry::NewInstance()->NewObject("test-global", &guard, &msg),
nullptr);
ASSERT_NE(registry->NewObject<Env>("test-local", &guard, &msg), nullptr);
ASSERT_NE(registry->NewObject<Env>("test-global", &guard, &msg), nullptr);
}
TEST_F(EnvRegistryTest, CheckShared) {
std::shared_ptr<Env> shared;
std::shared_ptr<ObjectRegistry> registry = ObjectRegistry::NewInstance();
std::shared_ptr<ObjectLibrary> library = std::make_shared<ObjectLibrary>();
registry->AddLibrary(library);
library->Register<Env>(
"unguarded",
[](const std::string& /*uri*/, std::unique_ptr<Env>* /*guard */,
std::string* /* errmsg */) { return Env::Default(); });
library->Register<Env>(
"guarded", [](const std::string& /*uri*/, std::unique_ptr<Env>* guard,
std::string* /* errmsg */) {
guard->reset(new EnvWrapper(Env::Default()));
return guard->get();
});
ASSERT_OK(registry->NewSharedObject<Env>("guarded", &shared));
ASSERT_NE(shared, nullptr);
shared.reset();
ASSERT_NOK(registry->NewSharedObject<Env>("unguarded", &shared));
ASSERT_EQ(shared, nullptr);
}
TEST_F(EnvRegistryTest, CheckStatic) {
Env* env = nullptr;
std::shared_ptr<ObjectRegistry> registry = ObjectRegistry::NewInstance();
std::shared_ptr<ObjectLibrary> library = std::make_shared<ObjectLibrary>();
registry->AddLibrary(library);
library->Register<Env>(
"unguarded",
[](const std::string& /*uri*/, std::unique_ptr<Env>* /*guard */,
std::string* /* errmsg */) { return Env::Default(); });
library->Register<Env>(
"guarded", [](const std::string& /*uri*/, std::unique_ptr<Env>* guard,
std::string* /* errmsg */) {
guard->reset(new EnvWrapper(Env::Default()));
return guard->get();
});
ASSERT_NOK(registry->NewStaticObject<Env>("guarded", &env));
ASSERT_EQ(env, nullptr);
env = nullptr;
ASSERT_OK(registry->NewStaticObject<Env>("unguarded", &env));
ASSERT_NE(env, nullptr);
}
TEST_F(EnvRegistryTest, CheckUnique) {
std::unique_ptr<Env> unique;
std::shared_ptr<ObjectRegistry> registry = ObjectRegistry::NewInstance();
std::shared_ptr<ObjectLibrary> library = std::make_shared<ObjectLibrary>();
registry->AddLibrary(library);
library->Register<Env>(
"unguarded",
[](const std::string& /*uri*/, std::unique_ptr<Env>* /*guard */,
std::string* /* errmsg */) { return Env::Default(); });
library->Register<Env>(
"guarded", [](const std::string& /*uri*/, std::unique_ptr<Env>* guard,
std::string* /* errmsg */) {
guard->reset(new EnvWrapper(Env::Default()));
return guard->get();
});
ASSERT_OK(registry->NewUniqueObject<Env>("guarded", &unique));
ASSERT_NE(unique, nullptr);
unique.reset();
ASSERT_NOK(registry->NewUniqueObject<Env>("unguarded", &unique));
ASSERT_EQ(unique, nullptr);
}
} // namespace ROCKSDB_NAMESPACE
int main(int argc, char** argv) {
::testing::InitGoogleTest(&argc, argv);
return RUN_ALL_TESTS();
}
#else // ROCKSDB_LITE
#include <stdio.h>
int main(int /*argc*/, char** /*argv*/) {
fprintf(stderr, "SKIPPED as EnvRegistry is not supported in ROCKSDB_LITE\n");
return 0;
}
#endif // ROCKSDB_LITE
|
