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
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
|
// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/nearby_sharing/tachyon_ice_config_fetcher.h"
#include "base/logging.h"
#include "base/run_loop.h"
#include "base/test/bind.h"
#include "base/test/metrics/histogram_tester.h"
#include "base/test/task_environment.h"
#include "chrome/browser/nearby_sharing/proto/duration.pb.h"
#include "chrome/browser/nearby_sharing/proto/ice.pb.h"
#include "chrome/browser/nearby_sharing/proto/tachyon.pb.h"
#include "chrome/browser/nearby_sharing/proto/tachyon_common.pb.h"
#include "chrome/browser/nearby_sharing/proto/tachyon_enums.pb.h"
#include "components/signin/public/identity_manager/identity_test_environment.h"
#include "services/network/public/cpp/shared_url_loader_factory.h"
#include "services/network/public/cpp/weak_wrapper_shared_url_loader_factory.h"
#include "services/network/test/test_url_loader_factory.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace {
namespace tachyon_proto = nearbyshare::tachyon_proto;
const char kApiUrl[] =
"https://instantmessaging-pa.googleapis.com/v1/peertopeer:geticeserver";
const char kOAuthToken[] = "oauth_token";
const char kTestAccount[] = "test@test.test";
const char kIceConfigFetchedMetric[] = "Sharing.WebRtc.IceConfigFetched";
const char kResultMetric[] =
"Nearby.Connections.InstantMessaging.TachyonIceConfigFetcher.Result";
const char kFailureReasonMetric[] =
"Nearby.Connections.InstantMessaging.TachyonIceConfigFetcher.FailureReason";
const char kCacheHitMetric[] =
"Nearby.Connections.InstantMessaging.TachyonIceConfigFetcher.CacheHit";
const char kTokenFetchSuccessMetric[] =
"Nearby.Connections.InstantMessaging.TachyonIceConfigFetcher."
"OAuthTokenFetchResult";
const int kLifetimeDurationSeconds = 86400;
void CheckSuccessResponse(
const std::vector<::sharing::mojom::IceServerPtr>& ice_servers) {
ASSERT_EQ(2u, ice_servers.size());
// First response doesnt have credentials.
ASSERT_EQ(1u, ice_servers[0]->urls.size());
ASSERT_FALSE(ice_servers[0]->username);
ASSERT_FALSE(ice_servers[0]->credential);
// Second response has credentials.
ASSERT_EQ(2u, ice_servers[1]->urls.size());
ASSERT_EQ("username", ice_servers[1]->username);
ASSERT_EQ("credential", ice_servers[1]->credential);
}
} // namespace
class TachyonIceConfigFetcherTest : public testing::Test {
public:
TachyonIceConfigFetcherTest()
: task_environment_(base::test::TaskEnvironment::TimeSource::MOCK_TIME),
test_shared_loader_factory_(
base::MakeRefCounted<network::WeakWrapperSharedURLLoaderFactory>(
&test_url_loader_factory_)),
ice_config_fetcher_(identity_test_environment_.identity_manager(),
test_shared_loader_factory_) {
identity_test_environment_.MakePrimaryAccountAvailable(
kTestAccount, signin::ConsentLevel::kSignin);
}
~TachyonIceConfigFetcherTest() override = default;
std::string GetSuccessResponse() {
tachyon_proto::GetICEServerResponse response;
auto* config = response.mutable_ice_config();
config->mutable_lifetime_duration()->set_seconds(kLifetimeDurationSeconds);
auto* server1 = config->add_ice_servers();
server1->add_urls("stun:url1");
auto* server2 = config->add_ice_servers();
server2->add_urls("turn:url2?transport=udp");
server2->add_urls("turn:url3?transport=tcp");
server2->set_username("username");
server2->set_credential("credential");
std::string output;
response.SerializeToString(&output);
return output;
}
void SetOAuthTokenSuccessful(bool success) {
identity_test_environment_
.WaitForAccessTokenRequestIfNecessaryAndRespondWithToken(
success ? kOAuthToken : "", base::Time::Now());
}
protected:
base::test::SingleThreadTaskEnvironment task_environment_;
signin::IdentityTestEnvironment identity_test_environment_;
network::TestURLLoaderFactory test_url_loader_factory_;
scoped_refptr<network::SharedURLLoaderFactory> test_shared_loader_factory_;
TachyonIceConfigFetcher ice_config_fetcher_;
base::HistogramTester histogram_tester_;
};
TEST_F(TachyonIceConfigFetcherTest, ResponseSuccessful) {
base::RunLoop run_loop;
ice_config_fetcher_.GetIceServers(base::BindLambdaForTesting(
[&](std::vector<::sharing::mojom::IceServerPtr> ice_servers) {
CheckSuccessResponse(ice_servers);
run_loop.Quit();
}));
SetOAuthTokenSuccessful(true);
std::string response = GetSuccessResponse();
ASSERT_TRUE(test_url_loader_factory_.IsPending(kApiUrl, nullptr));
test_url_loader_factory_.AddResponse(kApiUrl, response, net::HTTP_OK);
run_loop.Run();
histogram_tester_.ExpectTotalCount(kIceConfigFetchedMetric, 1);
histogram_tester_.ExpectBucketCount(kIceConfigFetchedMetric, 2, 1);
histogram_tester_.ExpectTotalCount(kResultMetric, 1);
histogram_tester_.ExpectBucketCount(kResultMetric, 1, 1);
histogram_tester_.ExpectTotalCount(kCacheHitMetric, 1);
histogram_tester_.ExpectBucketCount(kCacheHitMetric, 0, 1);
histogram_tester_.ExpectTotalCount(kFailureReasonMetric, 0);
histogram_tester_.ExpectTotalCount(kTokenFetchSuccessMetric, 1);
histogram_tester_.ExpectBucketCount(kTokenFetchSuccessMetric, 1, 1);
}
TEST_F(TachyonIceConfigFetcherTest, ResponseError) {
base::RunLoop run_loop;
ice_config_fetcher_.GetIceServers(base::BindLambdaForTesting(
[&](std::vector<::sharing::mojom::IceServerPtr> ice_servers) {
// Makes sure that we at least return default servers in case of an
// error.
EXPECT_FALSE(ice_servers.empty());
run_loop.Quit();
}));
SetOAuthTokenSuccessful(true);
ASSERT_TRUE(test_url_loader_factory_.IsPending(kApiUrl, nullptr));
test_url_loader_factory_.AddResponse(kApiUrl, "",
net::HTTP_INTERNAL_SERVER_ERROR);
run_loop.Run();
histogram_tester_.ExpectTotalCount(kIceConfigFetchedMetric, 1);
histogram_tester_.ExpectBucketCount(kIceConfigFetchedMetric, 0, 1);
histogram_tester_.ExpectTotalCount(kResultMetric, 1);
histogram_tester_.ExpectBucketCount(kResultMetric, 0, 1);
histogram_tester_.ExpectTotalCount(kCacheHitMetric, 1);
histogram_tester_.ExpectBucketCount(kCacheHitMetric, 0, 1);
histogram_tester_.ExpectTotalCount(kFailureReasonMetric, 1);
histogram_tester_.ExpectBucketCount(kFailureReasonMetric, 500, 1);
histogram_tester_.ExpectTotalCount(kTokenFetchSuccessMetric, 1);
histogram_tester_.ExpectBucketCount(kTokenFetchSuccessMetric, 1, 1);
}
TEST_F(TachyonIceConfigFetcherTest, OverlappingCalls) {
base::RunLoop run_loop;
int counter = 2;
auto callback = [&](std::vector<::sharing::mojom::IceServerPtr> ice_servers) {
CheckSuccessResponse(ice_servers);
counter -= 1;
if (counter == 0) {
run_loop.Quit();
}
};
// First call.
ice_config_fetcher_.GetIceServers(base::BindLambdaForTesting(callback));
SetOAuthTokenSuccessful(true);
// Second call overlaps before any responses are processed.
ice_config_fetcher_.GetIceServers(base::BindLambdaForTesting(callback));
SetOAuthTokenSuccessful(true);
std::string response = GetSuccessResponse();
ASSERT_TRUE(test_url_loader_factory_.IsPending(kApiUrl, nullptr));
test_url_loader_factory_.AddResponse(kApiUrl, response, net::HTTP_OK);
run_loop.Run();
histogram_tester_.ExpectTotalCount(kIceConfigFetchedMetric, 2);
histogram_tester_.ExpectBucketCount(kIceConfigFetchedMetric, 2, 2);
histogram_tester_.ExpectTotalCount(kResultMetric, 2);
histogram_tester_.ExpectBucketCount(kResultMetric, 1, 2);
histogram_tester_.ExpectTotalCount(kCacheHitMetric, 2);
histogram_tester_.ExpectBucketCount(kCacheHitMetric, 0, 2);
histogram_tester_.ExpectTotalCount(kFailureReasonMetric, 0);
histogram_tester_.ExpectTotalCount(kTokenFetchSuccessMetric, 2);
histogram_tester_.ExpectBucketCount(kTokenFetchSuccessMetric, 1, 2);
}
TEST_F(TachyonIceConfigFetcherTest, IceServersCached) {
auto callback = [](base::RunLoop* run_loop,
std::vector<::sharing::mojom::IceServerPtr> ice_servers) {
CheckSuccessResponse(ice_servers);
run_loop->Quit();
};
std::string response = GetSuccessResponse();
// First call.
auto run_loop = std::make_unique<base::RunLoop>();
ice_config_fetcher_.GetIceServers(base::BindOnce(callback, run_loop.get()));
SetOAuthTokenSuccessful(true);
ASSERT_TRUE(test_url_loader_factory_.IsPending(kApiUrl));
test_url_loader_factory_.SimulateResponseForPendingRequest(kApiUrl, response);
// Complete first call before beginning second call
run_loop->Run();
// Second call returns cached result
run_loop.reset(new base::RunLoop());
ice_config_fetcher_.GetIceServers(base::BindOnce(callback, run_loop.get()));
ASSERT_FALSE(test_url_loader_factory_.IsPending(kApiUrl));
run_loop->Run();
// Wait until the cache has expired.
task_environment_.FastForwardBy(base::Seconds(kLifetimeDurationSeconds + 1));
// Expired cache results in fetching the servers again.
run_loop.reset(new base::RunLoop());
ice_config_fetcher_.GetIceServers(base::BindOnce(callback, run_loop.get()));
SetOAuthTokenSuccessful(true);
ASSERT_TRUE(test_url_loader_factory_.IsPending(kApiUrl));
test_url_loader_factory_.SimulateResponseForPendingRequest(kApiUrl, response);
run_loop->Run();
histogram_tester_.ExpectTotalCount(kIceConfigFetchedMetric, 2);
histogram_tester_.ExpectBucketCount(kIceConfigFetchedMetric, 2, 2);
histogram_tester_.ExpectTotalCount(kResultMetric, 2);
histogram_tester_.ExpectBucketCount(kResultMetric, 1, 2);
histogram_tester_.ExpectTotalCount(kCacheHitMetric, 3);
histogram_tester_.ExpectBucketCount(kCacheHitMetric, 0, 2);
histogram_tester_.ExpectTotalCount(kFailureReasonMetric, 0);
histogram_tester_.ExpectTotalCount(kTokenFetchSuccessMetric, 2);
histogram_tester_.ExpectBucketCount(kTokenFetchSuccessMetric, 1, 2);
}
TEST_F(TachyonIceConfigFetcherTest, OAuthTokenFailed) {
base::RunLoop run_loop;
ice_config_fetcher_.GetIceServers(base::BindLambdaForTesting(
[&](std::vector<::sharing::mojom::IceServerPtr> ice_servers) {
// Makes sure that we at least return default servers in case of an
// error.
EXPECT_FALSE(ice_servers.empty());
run_loop.Quit();
}));
SetOAuthTokenSuccessful(false);
ASSERT_EQ(0, test_url_loader_factory_.NumPending());
run_loop.Run();
histogram_tester_.ExpectTotalCount(kIceConfigFetchedMetric, 0);
histogram_tester_.ExpectTotalCount(kResultMetric, 0);
histogram_tester_.ExpectTotalCount(kCacheHitMetric, 1);
histogram_tester_.ExpectBucketCount(kCacheHitMetric, 0, 1);
histogram_tester_.ExpectTotalCount(kFailureReasonMetric, 0);
histogram_tester_.ExpectTotalCount(kTokenFetchSuccessMetric, 1);
histogram_tester_.ExpectBucketCount(kTokenFetchSuccessMetric, 0, 1);
}
TEST_F(TachyonIceConfigFetcherTest, OverlappingTokenFetch) {
base::RunLoop run_loop;
int counter = 2;
auto callback = [&](std::vector<::sharing::mojom::IceServerPtr> ice_servers) {
CheckSuccessResponse(ice_servers);
counter -= 1;
if (counter == 0) {
run_loop.Quit();
}
};
// First call.
ice_config_fetcher_.GetIceServers(base::BindLambdaForTesting(callback));
// Second call overlaps before the first has an OAuth token.
ice_config_fetcher_.GetIceServers(base::BindLambdaForTesting(callback));
// Return an OAuth token for both requests.
SetOAuthTokenSuccessful(true);
std::string response = GetSuccessResponse();
ASSERT_TRUE(test_url_loader_factory_.IsPending(kApiUrl, nullptr));
test_url_loader_factory_.AddResponse(kApiUrl, response, net::HTTP_OK);
run_loop.Run();
histogram_tester_.ExpectTotalCount(kIceConfigFetchedMetric, 2);
histogram_tester_.ExpectBucketCount(kIceConfigFetchedMetric, 2, 2);
histogram_tester_.ExpectTotalCount(kResultMetric, 2);
histogram_tester_.ExpectBucketCount(kResultMetric, 1, 2);
histogram_tester_.ExpectTotalCount(kCacheHitMetric, 2);
histogram_tester_.ExpectBucketCount(kCacheHitMetric, 0, 2);
histogram_tester_.ExpectTotalCount(kFailureReasonMetric, 0);
histogram_tester_.ExpectTotalCount(kTokenFetchSuccessMetric, 2);
histogram_tester_.ExpectBucketCount(kTokenFetchSuccessMetric, 1, 2);
}
|
