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
|
// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "sync/notifier/unacked_invalidation_set.h"
#include "base/json/json_string_value_serializer.h"
#include "sync/notifier/object_id_invalidation_map.h"
#include "sync/notifier/single_object_invalidation_set.h"
#include "sync/notifier/unacked_invalidation_set_test_util.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace syncer {
class UnackedInvalidationSetTest : public testing::Test {
public:
UnackedInvalidationSetTest()
: kObjectId_(10, "ASDF"),
unacked_invalidations_(kObjectId_) {}
SingleObjectInvalidationSet GetStoredInvalidations() {
ObjectIdInvalidationMap map;
unacked_invalidations_.ExportInvalidations(WeakHandle<AckHandler>(), &map);
ObjectIdSet ids = map.GetObjectIds();
if (ids.find(kObjectId_) != ids.end()) {
return map.ForObject(kObjectId_);
} else {
return SingleObjectInvalidationSet();
}
}
const invalidation::ObjectId kObjectId_;
UnackedInvalidationSet unacked_invalidations_;
};
namespace {
// Test storage and retrieval of zero invalidations.
TEST_F(UnackedInvalidationSetTest, Empty) {
EXPECT_EQ(0U, GetStoredInvalidations().GetSize());
}
// Test storage and retrieval of a single invalidation.
TEST_F(UnackedInvalidationSetTest, OneInvalidation) {
Invalidation inv1 = Invalidation::Init(kObjectId_, 10, "payload");
unacked_invalidations_.Add(inv1);
SingleObjectInvalidationSet set = GetStoredInvalidations();
ASSERT_EQ(1U, set.GetSize());
EXPECT_FALSE(set.StartsWithUnknownVersion());
}
// Test that calling Clear() returns us to the empty state.
TEST_F(UnackedInvalidationSetTest, Clear) {
Invalidation inv1 = Invalidation::Init(kObjectId_, 10, "payload");
unacked_invalidations_.Add(inv1);
unacked_invalidations_.Clear();
EXPECT_EQ(0U, GetStoredInvalidations().GetSize());
}
// Test that repeated unknown version invalidations are squashed together.
TEST_F(UnackedInvalidationSetTest, UnknownVersions) {
Invalidation inv1 = Invalidation::Init(kObjectId_, 10, "payload");
Invalidation inv2 = Invalidation::InitUnknownVersion(kObjectId_);
Invalidation inv3 = Invalidation::InitUnknownVersion(kObjectId_);
unacked_invalidations_.Add(inv1);
unacked_invalidations_.Add(inv2);
unacked_invalidations_.Add(inv3);
SingleObjectInvalidationSet set = GetStoredInvalidations();
ASSERT_EQ(2U, set.GetSize());
EXPECT_TRUE(set.StartsWithUnknownVersion());
}
// Tests that no truncation occurs while we're under the limit.
TEST_F(UnackedInvalidationSetTest, NoTruncation) {
size_t kMax = UnackedInvalidationSet::kMaxBufferedInvalidations;
for (size_t i = 0; i < kMax; ++i) {
Invalidation inv = Invalidation::Init(kObjectId_, i, "payload");
unacked_invalidations_.Add(inv);
}
SingleObjectInvalidationSet set = GetStoredInvalidations();
ASSERT_EQ(kMax, set.GetSize());
EXPECT_FALSE(set.StartsWithUnknownVersion());
EXPECT_EQ(0, set.begin()->version());
EXPECT_EQ(kMax-1, static_cast<size_t>(set.rbegin()->version()));
}
// Test that truncation happens as we reach the limit.
TEST_F(UnackedInvalidationSetTest, Truncation) {
size_t kMax = UnackedInvalidationSet::kMaxBufferedInvalidations;
for (size_t i = 0; i < kMax + 1; ++i) {
Invalidation inv = Invalidation::Init(kObjectId_, i, "payload");
unacked_invalidations_.Add(inv);
}
SingleObjectInvalidationSet set = GetStoredInvalidations();
ASSERT_EQ(kMax, set.GetSize());
EXPECT_TRUE(set.StartsWithUnknownVersion());
EXPECT_TRUE(set.begin()->is_unknown_version());
EXPECT_EQ(kMax, static_cast<size_t>(set.rbegin()->version()));
}
// Test that we don't truncate while a handler is registered.
TEST_F(UnackedInvalidationSetTest, RegistrationAndTruncation) {
unacked_invalidations_.SetHandlerIsRegistered();
size_t kMax = UnackedInvalidationSet::kMaxBufferedInvalidations;
for (size_t i = 0; i < kMax + 1; ++i) {
Invalidation inv = Invalidation::Init(kObjectId_, i, "payload");
unacked_invalidations_.Add(inv);
}
SingleObjectInvalidationSet set = GetStoredInvalidations();
ASSERT_EQ(kMax+1, set.GetSize());
EXPECT_FALSE(set.StartsWithUnknownVersion());
EXPECT_EQ(0, set.begin()->version());
EXPECT_EQ(kMax, static_cast<size_t>(set.rbegin()->version()));
// Unregistering should re-enable truncation.
unacked_invalidations_.SetHandlerIsUnregistered();
SingleObjectInvalidationSet set2 = GetStoredInvalidations();
ASSERT_EQ(kMax, set2.GetSize());
EXPECT_TRUE(set2.StartsWithUnknownVersion());
EXPECT_TRUE(set2.begin()->is_unknown_version());
EXPECT_EQ(kMax, static_cast<size_t>(set2.rbegin()->version()));
}
// Test acknowledgement.
TEST_F(UnackedInvalidationSetTest, Acknowledge) {
// inv2 is included in this test just to make sure invalidations that
// are supposed to be unaffected by this operation will be unaffected.
// We don't expect to be receiving acks or drops unless this flag is set.
// Not that it makes much of a difference in behavior.
unacked_invalidations_.SetHandlerIsRegistered();
Invalidation inv1 = Invalidation::Init(kObjectId_, 10, "payload");
Invalidation inv2 = Invalidation::InitUnknownVersion(kObjectId_);
AckHandle inv1_handle = inv1.ack_handle();
unacked_invalidations_.Add(inv1);
unacked_invalidations_.Add(inv2);
unacked_invalidations_.Acknowledge(inv1_handle);
SingleObjectInvalidationSet set = GetStoredInvalidations();
EXPECT_EQ(1U, set.GetSize());
EXPECT_TRUE(set.StartsWithUnknownVersion());
}
// Test drops.
TEST_F(UnackedInvalidationSetTest, Drop) {
// inv2 is included in this test just to make sure invalidations that
// are supposed to be unaffected by this operation will be unaffected.
// We don't expect to be receiving acks or drops unless this flag is set.
// Not that it makes much of a difference in behavior.
unacked_invalidations_.SetHandlerIsRegistered();
Invalidation inv1 = Invalidation::Init(kObjectId_, 10, "payload");
Invalidation inv2 = Invalidation::Init(kObjectId_, 15, "payload");
AckHandle inv1_handle = inv1.ack_handle();
unacked_invalidations_.Add(inv1);
unacked_invalidations_.Add(inv2);
unacked_invalidations_.Drop(inv1_handle);
SingleObjectInvalidationSet set = GetStoredInvalidations();
ASSERT_EQ(2U, set.GetSize());
EXPECT_TRUE(set.StartsWithUnknownVersion());
EXPECT_EQ(15, set.rbegin()->version());
}
class UnackedInvalidationSetSerializationTest
: public UnackedInvalidationSetTest {
public:
UnackedInvalidationSet SerializeDeserialize() {
scoped_ptr<base::DictionaryValue> value = unacked_invalidations_.ToValue();
UnackedInvalidationSet deserialized(kObjectId_);
deserialized.ResetFromValue(*value.get());
return deserialized;
}
};
TEST_F(UnackedInvalidationSetSerializationTest, Empty) {
UnackedInvalidationSet deserialized = SerializeDeserialize();
EXPECT_THAT(unacked_invalidations_, test_util::Eq(deserialized));
}
TEST_F(UnackedInvalidationSetSerializationTest, OneInvalidation) {
Invalidation inv = Invalidation::Init(kObjectId_, 10, "payload");
unacked_invalidations_.Add(inv);
UnackedInvalidationSet deserialized = SerializeDeserialize();
EXPECT_THAT(unacked_invalidations_, test_util::Eq(deserialized));
}
TEST_F(UnackedInvalidationSetSerializationTest, WithUnknownVersion) {
Invalidation inv1 = Invalidation::Init(kObjectId_, 10, "payload");
Invalidation inv2 = Invalidation::InitUnknownVersion(kObjectId_);
Invalidation inv3 = Invalidation::InitUnknownVersion(kObjectId_);
unacked_invalidations_.Add(inv1);
unacked_invalidations_.Add(inv2);
unacked_invalidations_.Add(inv3);
UnackedInvalidationSet deserialized = SerializeDeserialize();
EXPECT_THAT(unacked_invalidations_, test_util::Eq(deserialized));
}
} // namespace
} // namespace syncer
|
