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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "chrome/browser/prerender/prerender_util.h" | 5 #include "chrome/browser/prerender/prerender_util.h" |
6 | 6 |
7 #include "base/metrics/histogram.h" | 7 #include "base/metrics/histogram.h" |
8 #include "base/metrics/histogram_samples.h" | 8 #include "base/metrics/histogram_samples.h" |
9 #include "base/metrics/statistics_recorder.h" | 9 #include "base/metrics/statistics_recorder.h" |
10 #include "net/http/http_response_headers.h" | 10 #include "net/http/http_response_headers.h" |
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95 int num_pss = 0; | 95 int num_pss = 0; |
96 int num_other = 0; | 96 int num_other = 0; |
97 int num_bucket_1 = 0; // unrecognized format/value bucket | 97 int num_bucket_1 = 0; // unrecognized format/value bucket |
98 int num_bucket_30 = 0; // 1.2.24.1 bucket | 98 int num_bucket_30 = 0; // 1.2.24.1 bucket |
99 int num_bucket_33 = 0; // 1.3.25.2 bucket | 99 int num_bucket_33 = 0; // 1.3.25.2 bucket |
100 | 100 |
101 scoped_ptr<base::HistogramSamples> server_samples; | 101 scoped_ptr<base::HistogramSamples> server_samples; |
102 scoped_ptr<base::HistogramSamples> version_samples; | 102 scoped_ptr<base::HistogramSamples> version_samples; |
103 | 103 |
104 // No PageSpeed header. The VersionCounts histogram isn't created yet. | 104 // No PageSpeed header. The VersionCounts histogram isn't created yet. |
105 GatherPagespeedData(ResourceType::MAIN_FRAME, url, headers.get()); | 105 GatherPagespeedData(content::RESOURCE_TYPE_MAIN_FRAME, url, headers.get()); |
106 base::HistogramBase* server_histogram = | 106 base::HistogramBase* server_histogram = |
107 base::StatisticsRecorder::FindHistogram( | 107 base::StatisticsRecorder::FindHistogram( |
108 "Prerender.PagespeedHeader.ServerCounts"); | 108 "Prerender.PagespeedHeader.ServerCounts"); |
109 ASSERT_TRUE(server_histogram != NULL); | 109 ASSERT_TRUE(server_histogram != NULL); |
110 ASSERT_TRUE(NULL == base::StatisticsRecorder::FindHistogram( | 110 ASSERT_TRUE(NULL == base::StatisticsRecorder::FindHistogram( |
111 "Prerender.PagespeedHeader.VersionCounts")); | 111 "Prerender.PagespeedHeader.VersionCounts")); |
112 | 112 |
113 server_samples = server_histogram->SnapshotSamples(); | 113 server_samples = server_histogram->SnapshotSamples(); |
114 EXPECT_EQ(++num_responses, server_samples->GetCount(0)); | 114 EXPECT_EQ(++num_responses, server_samples->GetCount(0)); |
115 EXPECT_EQ( num_mps, server_samples->GetCount(1)); | 115 EXPECT_EQ( num_mps, server_samples->GetCount(1)); |
116 EXPECT_EQ( num_ngx, server_samples->GetCount(2)); | 116 EXPECT_EQ( num_ngx, server_samples->GetCount(2)); |
117 EXPECT_EQ( num_pss, server_samples->GetCount(3)); | 117 EXPECT_EQ( num_pss, server_samples->GetCount(3)); |
118 EXPECT_EQ( num_other, server_samples->GetCount(4)); | 118 EXPECT_EQ( num_other, server_samples->GetCount(4)); |
119 | 119 |
120 // X-Mod-Pagespeed header in expected format. VersionCounts now exists. | 120 // X-Mod-Pagespeed header in expected format. VersionCounts now exists. |
121 headers->AddHeader("X-Mod-Pagespeed: 1.2.24.1-2300"); | 121 headers->AddHeader("X-Mod-Pagespeed: 1.2.24.1-2300"); |
122 GatherPagespeedData(ResourceType::MAIN_FRAME, url, headers.get()); | 122 GatherPagespeedData(content::RESOURCE_TYPE_MAIN_FRAME, url, headers.get()); |
123 base::HistogramBase* version_histogram = | 123 base::HistogramBase* version_histogram = |
124 base::StatisticsRecorder::FindHistogram( | 124 base::StatisticsRecorder::FindHistogram( |
125 "Prerender.PagespeedHeader.VersionCounts"); | 125 "Prerender.PagespeedHeader.VersionCounts"); |
126 ASSERT_TRUE(version_histogram != NULL); | 126 ASSERT_TRUE(version_histogram != NULL); |
127 server_samples = server_histogram->SnapshotSamples(); | 127 server_samples = server_histogram->SnapshotSamples(); |
128 version_samples = version_histogram->SnapshotSamples(); | 128 version_samples = version_histogram->SnapshotSamples(); |
129 EXPECT_EQ(++num_responses, server_samples->GetCount(0)); | 129 EXPECT_EQ(++num_responses, server_samples->GetCount(0)); |
130 EXPECT_EQ(++num_mps, server_samples->GetCount(1)); | 130 EXPECT_EQ(++num_mps, server_samples->GetCount(1)); |
131 EXPECT_EQ( num_ngx, server_samples->GetCount(2)); | 131 EXPECT_EQ( num_ngx, server_samples->GetCount(2)); |
132 EXPECT_EQ( num_pss, server_samples->GetCount(3)); | 132 EXPECT_EQ( num_pss, server_samples->GetCount(3)); |
133 EXPECT_EQ( num_other, server_samples->GetCount(4)); | 133 EXPECT_EQ( num_other, server_samples->GetCount(4)); |
134 EXPECT_EQ( num_bucket_1, version_samples->GetCount(1)); | 134 EXPECT_EQ( num_bucket_1, version_samples->GetCount(1)); |
135 EXPECT_EQ(++num_bucket_30, version_samples->GetCount(30)); // +1 for #30 | 135 EXPECT_EQ(++num_bucket_30, version_samples->GetCount(30)); // +1 for #30 |
136 EXPECT_EQ( num_bucket_33, version_samples->GetCount(33)); | 136 EXPECT_EQ( num_bucket_33, version_samples->GetCount(33)); |
137 headers->RemoveHeader("X-Mod-Pagespeed"); | 137 headers->RemoveHeader("X-Mod-Pagespeed"); |
138 | 138 |
139 // X-Mod-Pagespeed header in unexpected format. | 139 // X-Mod-Pagespeed header in unexpected format. |
140 headers->AddHeader("X-Mod-Pagespeed: Powered By PageSpeed!"); | 140 headers->AddHeader("X-Mod-Pagespeed: Powered By PageSpeed!"); |
141 GatherPagespeedData(ResourceType::MAIN_FRAME, url, headers.get()); | 141 GatherPagespeedData(content::RESOURCE_TYPE_MAIN_FRAME, url, headers.get()); |
142 server_samples = server_histogram->SnapshotSamples(); | 142 server_samples = server_histogram->SnapshotSamples(); |
143 version_samples = version_histogram->SnapshotSamples(); | 143 version_samples = version_histogram->SnapshotSamples(); |
144 EXPECT_EQ(++num_responses, server_samples->GetCount(0)); | 144 EXPECT_EQ(++num_responses, server_samples->GetCount(0)); |
145 EXPECT_EQ(++num_mps, server_samples->GetCount(1)); | 145 EXPECT_EQ(++num_mps, server_samples->GetCount(1)); |
146 EXPECT_EQ( num_ngx, server_samples->GetCount(2)); | 146 EXPECT_EQ( num_ngx, server_samples->GetCount(2)); |
147 EXPECT_EQ( num_pss, server_samples->GetCount(3)); | 147 EXPECT_EQ( num_pss, server_samples->GetCount(3)); |
148 EXPECT_EQ( num_other, server_samples->GetCount(4)); | 148 EXPECT_EQ( num_other, server_samples->GetCount(4)); |
149 EXPECT_EQ(++num_bucket_1, version_samples->GetCount(1)); // +1 for 'huh?' | 149 EXPECT_EQ(++num_bucket_1, version_samples->GetCount(1)); // +1 for 'huh?' |
150 EXPECT_EQ( num_bucket_30, version_samples->GetCount(30)); | 150 EXPECT_EQ( num_bucket_30, version_samples->GetCount(30)); |
151 EXPECT_EQ( num_bucket_33, version_samples->GetCount(33)); | 151 EXPECT_EQ( num_bucket_33, version_samples->GetCount(33)); |
152 headers->RemoveHeader("X-Mod-Pagespeed"); | 152 headers->RemoveHeader("X-Mod-Pagespeed"); |
153 | 153 |
154 // X-Page-Speed header in mod_pagespeed format (so ngx_pagespeed). | 154 // X-Page-Speed header in mod_pagespeed format (so ngx_pagespeed). |
155 headers->AddHeader("X-Page-Speed: 1.3.25.2-2530"); | 155 headers->AddHeader("X-Page-Speed: 1.3.25.2-2530"); |
156 GatherPagespeedData(ResourceType::MAIN_FRAME, url, headers.get()); | 156 GatherPagespeedData(content::RESOURCE_TYPE_MAIN_FRAME, url, headers.get()); |
157 server_samples = server_histogram->SnapshotSamples(); | 157 server_samples = server_histogram->SnapshotSamples(); |
158 version_samples = version_histogram->SnapshotSamples(); | 158 version_samples = version_histogram->SnapshotSamples(); |
159 EXPECT_EQ(++num_responses, server_samples->GetCount(0)); | 159 EXPECT_EQ(++num_responses, server_samples->GetCount(0)); |
160 EXPECT_EQ( num_mps, server_samples->GetCount(1)); | 160 EXPECT_EQ( num_mps, server_samples->GetCount(1)); |
161 EXPECT_EQ(++num_ngx, server_samples->GetCount(2)); | 161 EXPECT_EQ(++num_ngx, server_samples->GetCount(2)); |
162 EXPECT_EQ( num_pss, server_samples->GetCount(3)); | 162 EXPECT_EQ( num_pss, server_samples->GetCount(3)); |
163 EXPECT_EQ( num_other, server_samples->GetCount(4)); | 163 EXPECT_EQ( num_other, server_samples->GetCount(4)); |
164 EXPECT_EQ( num_bucket_1, version_samples->GetCount(1)); | 164 EXPECT_EQ( num_bucket_1, version_samples->GetCount(1)); |
165 EXPECT_EQ( num_bucket_30, version_samples->GetCount(30)); | 165 EXPECT_EQ( num_bucket_30, version_samples->GetCount(30)); |
166 EXPECT_EQ(++num_bucket_33, version_samples->GetCount(33)); // +1 for #33 | 166 EXPECT_EQ(++num_bucket_33, version_samples->GetCount(33)); // +1 for #33 |
167 headers->RemoveHeader("X-Page-Speed"); | 167 headers->RemoveHeader("X-Page-Speed"); |
168 | 168 |
169 // X-Page-Speed header in PageSpeed Service format. | 169 // X-Page-Speed header in PageSpeed Service format. |
170 headers->AddHeader("X-Page-Speed: 97_4_bo"); | 170 headers->AddHeader("X-Page-Speed: 97_4_bo"); |
171 GatherPagespeedData(ResourceType::MAIN_FRAME, url, headers.get()); | 171 GatherPagespeedData(content::RESOURCE_TYPE_MAIN_FRAME, url, headers.get()); |
172 server_samples = server_histogram->SnapshotSamples(); | 172 server_samples = server_histogram->SnapshotSamples(); |
173 version_samples = version_histogram->SnapshotSamples(); | 173 version_samples = version_histogram->SnapshotSamples(); |
174 EXPECT_EQ(++num_responses, server_samples->GetCount(0)); | 174 EXPECT_EQ(++num_responses, server_samples->GetCount(0)); |
175 EXPECT_EQ( num_mps, server_samples->GetCount(1)); // no change | 175 EXPECT_EQ( num_mps, server_samples->GetCount(1)); // no change |
176 EXPECT_EQ( num_ngx, server_samples->GetCount(2)); | 176 EXPECT_EQ( num_ngx, server_samples->GetCount(2)); |
177 EXPECT_EQ(++num_pss, server_samples->GetCount(3)); // +1 for PSS | 177 EXPECT_EQ(++num_pss, server_samples->GetCount(3)); // +1 for PSS |
178 EXPECT_EQ( num_other, server_samples->GetCount(4)); | 178 EXPECT_EQ( num_other, server_samples->GetCount(4)); |
179 EXPECT_EQ( num_bucket_1, version_samples->GetCount(1)); | 179 EXPECT_EQ( num_bucket_1, version_samples->GetCount(1)); |
180 EXPECT_EQ( num_bucket_30, version_samples->GetCount(30)); | 180 EXPECT_EQ( num_bucket_30, version_samples->GetCount(30)); |
181 EXPECT_EQ( num_bucket_33, version_samples->GetCount(33)); | 181 EXPECT_EQ( num_bucket_33, version_samples->GetCount(33)); |
182 headers->RemoveHeader("X-Page-Speed"); | 182 headers->RemoveHeader("X-Page-Speed"); |
183 | 183 |
184 // X-Page-Speed header in an unrecognized format (IISpeed in this case). | 184 // X-Page-Speed header in an unrecognized format (IISpeed in this case). |
185 headers->AddHeader("X-Page-Speed: 1.0PS1.2-20130615"); | 185 headers->AddHeader("X-Page-Speed: 1.0PS1.2-20130615"); |
186 GatherPagespeedData(ResourceType::MAIN_FRAME, url, headers.get()); | 186 GatherPagespeedData(content::RESOURCE_TYPE_MAIN_FRAME, url, headers.get()); |
187 server_samples = server_histogram->SnapshotSamples(); | 187 server_samples = server_histogram->SnapshotSamples(); |
188 version_samples = version_histogram->SnapshotSamples(); | 188 version_samples = version_histogram->SnapshotSamples(); |
189 EXPECT_EQ(++num_responses, server_samples->GetCount(0)); | 189 EXPECT_EQ(++num_responses, server_samples->GetCount(0)); |
190 EXPECT_EQ( num_mps, server_samples->GetCount(1)); // no change | 190 EXPECT_EQ( num_mps, server_samples->GetCount(1)); // no change |
191 EXPECT_EQ( num_pss, server_samples->GetCount(3)); | 191 EXPECT_EQ( num_pss, server_samples->GetCount(3)); |
192 EXPECT_EQ(++num_other, server_samples->GetCount(4)); // +1 for 'other' | 192 EXPECT_EQ(++num_other, server_samples->GetCount(4)); // +1 for 'other' |
193 EXPECT_EQ( num_bucket_1, version_samples->GetCount(1)); | 193 EXPECT_EQ( num_bucket_1, version_samples->GetCount(1)); |
194 EXPECT_EQ( num_bucket_30, version_samples->GetCount(30)); | 194 EXPECT_EQ( num_bucket_30, version_samples->GetCount(30)); |
195 EXPECT_EQ( num_bucket_33, version_samples->GetCount(33)); | 195 EXPECT_EQ( num_bucket_33, version_samples->GetCount(33)); |
196 | 196 |
197 // Not a main frame => not counted at all. | 197 // Not a main frame => not counted at all. |
198 GatherPagespeedData(ResourceType::SUB_FRAME, url, headers.get()); | 198 GatherPagespeedData(content::RESOURCE_TYPE_SUB_FRAME, url, headers.get()); |
199 server_samples = server_histogram->SnapshotSamples(); | 199 server_samples = server_histogram->SnapshotSamples(); |
200 version_samples = version_histogram->SnapshotSamples(); | 200 version_samples = version_histogram->SnapshotSamples(); |
201 EXPECT_EQ( num_responses, server_samples->GetCount(0)); | 201 EXPECT_EQ( num_responses, server_samples->GetCount(0)); |
202 EXPECT_EQ( num_mps, server_samples->GetCount(1)); | 202 EXPECT_EQ( num_mps, server_samples->GetCount(1)); |
203 EXPECT_EQ( num_ngx, server_samples->GetCount(2)); | 203 EXPECT_EQ( num_ngx, server_samples->GetCount(2)); |
204 EXPECT_EQ( num_pss, server_samples->GetCount(3)); | 204 EXPECT_EQ( num_pss, server_samples->GetCount(3)); |
205 EXPECT_EQ( num_other, server_samples->GetCount(4)); | 205 EXPECT_EQ( num_other, server_samples->GetCount(4)); |
206 EXPECT_EQ( num_bucket_1, version_samples->GetCount(1)); | 206 EXPECT_EQ( num_bucket_1, version_samples->GetCount(1)); |
207 EXPECT_EQ( num_bucket_30, version_samples->GetCount(30)); | 207 EXPECT_EQ( num_bucket_30, version_samples->GetCount(30)); |
208 EXPECT_EQ( num_bucket_33, version_samples->GetCount(33)); | 208 EXPECT_EQ( num_bucket_33, version_samples->GetCount(33)); |
209 | 209 |
210 // Not a http/https URL => not counted at all. | 210 // Not a http/https URL => not counted at all. |
211 GURL data_url("data:image/png;base64,yadda yadda=="); | 211 GURL data_url("data:image/png;base64,yadda yadda=="); |
212 GatherPagespeedData(ResourceType::MAIN_FRAME, data_url, headers.get()); | 212 GatherPagespeedData( |
| 213 content::RESOURCE_TYPE_MAIN_FRAME, data_url, headers.get()); |
213 server_samples = server_histogram->SnapshotSamples(); | 214 server_samples = server_histogram->SnapshotSamples(); |
214 version_samples = version_histogram->SnapshotSamples(); | 215 version_samples = version_histogram->SnapshotSamples(); |
215 EXPECT_EQ( num_responses, server_samples->GetCount(0)); | 216 EXPECT_EQ( num_responses, server_samples->GetCount(0)); |
216 EXPECT_EQ( num_mps, server_samples->GetCount(1)); | 217 EXPECT_EQ( num_mps, server_samples->GetCount(1)); |
217 EXPECT_EQ( num_ngx, server_samples->GetCount(2)); | 218 EXPECT_EQ( num_ngx, server_samples->GetCount(2)); |
218 EXPECT_EQ( num_pss, server_samples->GetCount(3)); | 219 EXPECT_EQ( num_pss, server_samples->GetCount(3)); |
219 EXPECT_EQ( num_other, server_samples->GetCount(4)); | 220 EXPECT_EQ( num_other, server_samples->GetCount(4)); |
220 EXPECT_EQ( num_bucket_1, version_samples->GetCount(1)); | 221 EXPECT_EQ( num_bucket_1, version_samples->GetCount(1)); |
221 EXPECT_EQ( num_bucket_30, version_samples->GetCount(30)); | 222 EXPECT_EQ( num_bucket_30, version_samples->GetCount(30)); |
222 EXPECT_EQ( num_bucket_33, version_samples->GetCount(33)); | 223 EXPECT_EQ( num_bucket_33, version_samples->GetCount(33)); |
223 | 224 |
224 headers->RemoveHeader("X-Page-Speed"); | 225 headers->RemoveHeader("X-Page-Speed"); |
225 } | 226 } |
226 | 227 |
227 } // namespace prerender | 228 } // namespace prerender |
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