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| 1 <!DOCTYPE html> |
| 2 <title>Service Worker: UseCounter</title> |
| 3 <script src="../../resources/testharness.js"></script> |
| 4 <script src="../../resources/testharnessreport.js"></script> |
| 5 <script src="../resources/test-helpers.js"></script> |
| 6 <script> |
| 7 |
| 8 const kFeature = 675; // From UseCounter.h |
| 9 const kDeprecatedFeature = 538; // From Deprecation.h |
| 10 |
| 11 function isUseCounted(win, feature) { |
| 12 return win.internals.isUseCounted(win.document, feature); |
| 13 } |
| 14 |
| 15 function observeUseCounter(win, feature) { |
| 16 return win.internals.observeUseCounter(win.document, feature); |
| 17 } |
| 18 |
| 19 // Use a window instead of an iframe because UseCounter is shared among frames |
| 20 // in a document and these tests cannot be conducted in such an environment. |
| 21 // A window has its own UseCounter. |
| 22 function openWindow(url) { |
| 23 return new Promise(resolve => { |
| 24 let win = window.open(url, '_blank'); |
| 25 add_completion_callback(() => win.close()); |
| 26 window.onmessage = e => { |
| 27 assert_equals(e.data, 'LOADED'); |
| 28 resolve(win); |
| 29 }; |
| 30 }); |
| 31 } |
| 32 |
| 33 promise_test(t => { |
| 34 const kUrl = 'resources/usecounter-worker.js'; |
| 35 const kScope = 'resources/usecounter-window.html?basic'; |
| 36 let worker; |
| 37 let win1; |
| 38 let win2; |
| 39 |
| 40 return service_worker_unregister_and_register(t, kUrl, kScope) |
| 41 .then(registration => { |
| 42 add_completion_callback(function() { registration.unregister(); }); |
| 43 worker = registration.installing; |
| 44 return wait_for_state(t, registration.installing, 'activated'); |
| 45 }) |
| 46 .then(() => { return openWindow(kScope); }) |
| 47 .then(win => { |
| 48 win1 = win; |
| 49 return openWindow(kScope); |
| 50 }) |
| 51 .then(win => { |
| 52 win2 = win; |
| 53 |
| 54 assert_false(isUseCounted(win1, kFeature)); |
| 55 assert_false(isUseCounted(win2, kFeature)); |
| 56 |
| 57 // Request to count a feature. |
| 58 worker.postMessage({type: 'COUNT_FEATURE', feature: kFeature}); |
| 59 return Promise.all([ |
| 60 observeUseCounter(win1, kFeature), |
| 61 observeUseCounter(win2, kFeature) |
| 62 ]); |
| 63 }) |
| 64 .then(() => { |
| 65 // API use on ServiceWorkerGlobalScope should be recorded in all |
| 66 // controlled windows. |
| 67 assert_true(isUseCounted(win1, kFeature)); |
| 68 assert_true(isUseCounted(win2, kFeature)); |
| 69 |
| 70 assert_false(isUseCounted(win1, kDeprecatedFeature)); |
| 71 assert_false(isUseCounted(win2, kDeprecatedFeature)); |
| 72 |
| 73 // Request to count a deprecated feature. |
| 74 worker.postMessage( |
| 75 {type: 'COUNT_DEPRECATION', feature: kDeprecatedFeature}); |
| 76 return Promise.all([ |
| 77 observeUseCounter(win1, kDeprecatedFeature), |
| 78 observeUseCounter(win2, kDeprecatedFeature) |
| 79 ]); |
| 80 }) |
| 81 .then(() => { |
| 82 // Deprecated API use on ServiceWorkerGlobalScope should be recorded |
| 83 // in all controlled windows. |
| 84 assert_true(isUseCounted(win1, kDeprecatedFeature)); |
| 85 assert_true(isUseCounted(win2, kDeprecatedFeature)); |
| 86 |
| 87 return openWindow(kScope); |
| 88 }) |
| 89 .then(win => { |
| 90 assert_true(isUseCounted(win, kFeature)); |
| 91 assert_true(isUseCounted(win, kDeprecatedFeature)); |
| 92 }); |
| 93 }, 'UseCounter on ServiceWorkerGlobalScope'); |
| 94 |
| 95 promise_test(t => { |
| 96 const kUrl = 'resources/usecounter-worker.js'; |
| 97 const kScope = 'resources/usecounter-window.html?claim'; |
| 98 let worker; |
| 99 let win1; |
| 100 let win2; |
| 101 |
| 102 return openWindow(kScope) |
| 103 .then(win => { |
| 104 win1 = win; |
| 105 return openWindow(kScope); |
| 106 }) |
| 107 .then(win => { |
| 108 win2 = win; |
| 109 return service_worker_unregister_and_register(t, kUrl, kScope) |
| 110 }) |
| 111 .then(registration => { |
| 112 add_completion_callback(function() { registration.unregister(); }); |
| 113 worker = registration.installing; |
| 114 return wait_for_state(t, registration.installing, 'activated'); |
| 115 }) |
| 116 .then(() => { |
| 117 // Request to count a feature. |
| 118 worker.postMessage({type: 'COUNT_FEATURE', feature: kFeature}); |
| 119 return new Promise(resolve => { |
| 120 navigator.serviceWorker.onmessage = resolve; |
| 121 // There is no way to verify that API use is never counted. As a |
| 122 // workaround, wait for only one round-trip. |
| 123 worker.postMessage({type: 'PING'}); |
| 124 }); |
| 125 }) |
| 126 .then(e => { |
| 127 assert_equals(e.data.type, 'PONG'); |
| 128 |
| 129 // API use on ServiceWorkerGlobalScope should not be recorded in |
| 130 // windows because they are not controlled yet. |
| 131 assert_false(isUseCounted(win1, kFeature)); |
| 132 assert_false(isUseCounted(win2, kFeature)); |
| 133 |
| 134 // Request to count a deprecated feature. |
| 135 worker.postMessage( |
| 136 {type: 'COUNT_DEPRECATION', feature: kDeprecatedFeature}); |
| 137 return new Promise(resolve => { |
| 138 navigator.serviceWorker.onmessage = resolve; |
| 139 // There is no way to verify that API use is never counted. As a |
| 140 // workaround, wait for only one round-trip. |
| 141 worker.postMessage({type: 'PING'}); |
| 142 }); |
| 143 }) |
| 144 .then(e => { |
| 145 assert_equals(e.data.type, 'PONG'); |
| 146 |
| 147 // Deprecated API use on ServiceWorkerGlobalScope should not be |
| 148 // recorded in windows because they are not controlled yet. |
| 149 assert_false(isUseCounted(win1, kDeprecatedFeature)); |
| 150 assert_false(isUseCounted(win2, kDeprecatedFeature)); |
| 151 |
| 152 assert_equals(win1.navigator.serviceWorker.controller, null); |
| 153 assert_equals(win2.navigator.serviceWorker.controller, null); |
| 154 |
| 155 // Request to claim. |
| 156 return new Promise(resolve => { |
| 157 navigator.serviceWorker.onmessage = resolve; |
| 158 worker.postMessage({type: 'CLAIM'}); |
| 159 }); |
| 160 }) |
| 161 .then(e => { |
| 162 assert_equals(e.data.type, 'CLAIMED'); |
| 163 assert_false(e.data.restarted); |
| 164 assert_not_equals(win1.navigator.serviceWorker.controller, null); |
| 165 assert_not_equals(win2.navigator.serviceWorker.controller, null); |
| 166 |
| 167 // The windows are now controlled by the service worker. Their |
| 168 // UseCounter should be synchronized with worker's counter. |
| 169 assert_true(isUseCounted(win1, kFeature)); |
| 170 assert_true(isUseCounted(win2, kFeature)); |
| 171 assert_true(isUseCounted(win1, kDeprecatedFeature)); |
| 172 assert_true(isUseCounted(win2, kDeprecatedFeature)); |
| 173 }); |
| 174 }, 'UseCounter on ServiceWorkerGlobalScope - A use counter owned by newly ' + |
| 175 'controlled window should be synchronized with worker\'s counter'); |
| 176 |
| 177 // Test that features used during service worker installation are persisted. |
| 178 // This test could be non-deterministic because there is no handy way to |
| 179 // sweep out on-memory representation of ServiceWorker in the browser process |
| 180 // and make sure to restore it from the storage. |
| 181 promise_test(t => { |
| 182 const kUrl = 'resources/usecounter-worker.js'; |
| 183 const kScope = 'resources/usecounter-window.html' + |
| 184 '?type=features-during-install' + |
| 185 '&feature=' + kFeature + |
| 186 '&deprecated=' + kDeprecatedFeature; |
| 187 let worker; |
| 188 let win1; |
| 189 let win2; |
| 190 |
| 191 return openWindow(kScope) |
| 192 .then(win => { |
| 193 win1 = win; |
| 194 return openWindow(kScope); |
| 195 }) |
| 196 .then(win => { |
| 197 win2 = win; |
| 198 // A service worker will call some APIs during the install event. |
| 199 return service_worker_unregister_and_register(t, kUrl, kScope) |
| 200 }) |
| 201 .then(registration => { |
| 202 add_completion_callback(function() { registration.unregister(); }); |
| 203 worker = registration.installing; |
| 204 return wait_for_state(t, registration.installing, 'activated'); |
| 205 }) |
| 206 .then(e => { |
| 207 assert_equals(win1.navigator.serviceWorker.controller, null); |
| 208 assert_equals(win2.navigator.serviceWorker.controller, null); |
| 209 |
| 210 // API use on ServiceWorkerGlobalScope should not be recorded in |
| 211 // windows because they are not controlled yet. |
| 212 assert_false(isUseCounted(win1, kFeature)); |
| 213 assert_false(isUseCounted(win2, kFeature)); |
| 214 assert_false(isUseCounted(win1, kDeprecatedFeature)); |
| 215 assert_false(isUseCounted(win2, kDeprecatedFeature)); |
| 216 |
| 217 // Terminate the service worker. |
| 218 internals.terminateServiceWorker(worker); |
| 219 |
| 220 // Request to claim. This will restart the service worker. |
| 221 return new Promise(resolve => { |
| 222 navigator.serviceWorker.onmessage = resolve; |
| 223 worker.postMessage({type: 'CLAIM'}); |
| 224 }); |
| 225 }) |
| 226 .then(e => { |
| 227 assert_equals(e.data.type, 'CLAIMED'); |
| 228 assert_true(e.data.restarted); |
| 229 assert_not_equals(win1.navigator.serviceWorker.controller, null); |
| 230 assert_not_equals(win2.navigator.serviceWorker.controller, null); |
| 231 |
| 232 // The windows are now controlled by the service worker. Their |
| 233 // UseCounter should be synchronized with worker's counter retrieved |
| 234 // from the storage. |
| 235 assert_true(isUseCounted(win1, kFeature)); |
| 236 assert_true(isUseCounted(win2, kFeature)); |
| 237 assert_true(isUseCounted(win1, kDeprecatedFeature)); |
| 238 assert_true(isUseCounted(win2, kDeprecatedFeature)); |
| 239 }); |
| 240 }, 'UseCounter on ServiceWorkerGlobalScope - counts during the install ' + |
| 241 'event should be persisted'); |
| 242 |
| 243 // TODO(nhiroki): Test that features used after service worker installation are |
| 244 // not persisted. This could be impossible because there is no handy way to |
| 245 // sweep out on-memory representation of ServiceWorker in the browser process |
| 246 // and make sure to restore it from the storage. |
| 247 |
| 248 promise_test(t => { |
| 249 const kUrl = 'resources/usecounter-worker.js'; |
| 250 const kScope = 'resources/usecounter-window.html?type=skip-waiting'; |
| 251 let worker1; |
| 252 let worker2; |
| 253 let win1; |
| 254 let win2; |
| 255 |
| 256 return service_worker_unregister_and_register(t, kUrl, kScope) |
| 257 .then(registration => { |
| 258 add_completion_callback(function() { registration.unregister(); }); |
| 259 worker1 = registration.installing; |
| 260 return wait_for_state(t, registration.installing, 'activated'); |
| 261 }) |
| 262 .then(() => { return openWindow(kScope); }) |
| 263 .then(win => { |
| 264 win1 = win; |
| 265 assert_false(isUseCounted(win1, kFeature)); |
| 266 |
| 267 // Request to count a feature. |
| 268 worker1.postMessage({type: 'COUNT_FEATURE', feature: kFeature}); |
| 269 return observeUseCounter(win1, kFeature); |
| 270 }) |
| 271 .then(e => { |
| 272 // API use on ServiceWorkerGlobalScope should be recorded in a |
| 273 // controlled window. |
| 274 assert_true(isUseCounted(win1, kFeature)); |
| 275 |
| 276 // Update a controller using skipWaiting(). |
| 277 return navigator.serviceWorker.register( |
| 278 kUrl + '?skip-waiting', {scope: kScope}); |
| 279 }) |
| 280 .then(registration => { |
| 281 add_completion_callback(function() { registration.unregister(); }); |
| 282 worker2 = registration.installing; |
| 283 // Wait until the new worker gets activated. |
| 284 return wait_for_state(t, worker2, 'activated'); |
| 285 }) |
| 286 .then(() => { return openWindow(kScope); }) |
| 287 .then(win => { |
| 288 // This window wasn't controlled by the previous worker. |
| 289 win2 = win; |
| 290 assert_not_equals(win2.navigator.serviceWorker.controller, undefined); |
| 291 |
| 292 // An updated worker does not take over the previous counter, so API |
| 293 // use on the previous worker should not be recorded in the newly |
| 294 // controlled window. |
| 295 assert_true(isUseCounted(win1, kFeature)); |
| 296 assert_false(isUseCounted(win2, kFeature)); |
| 297 |
| 298 assert_false(isUseCounted(win1, kDeprecatedFeature)); |
| 299 assert_false(isUseCounted(win2, kDeprecatedFeature)); |
| 300 |
| 301 // Request to count a deprecated feature. |
| 302 worker2.postMessage( |
| 303 {type: 'COUNT_DEPRECATION', feature: kDeprecatedFeature}); |
| 304 return Promise.all([ |
| 305 observeUseCounter(win1, kDeprecatedFeature), |
| 306 observeUseCounter(win2, kDeprecatedFeature) |
| 307 ]); |
| 308 }) |
| 309 .then(e => { |
| 310 // Deprecated API use on the updated worker should be recorded in |
| 311 // all controlled windows. |
| 312 assert_true(isUseCounted(win1, kFeature)); |
| 313 assert_false(isUseCounted(win2, kFeature)); |
| 314 assert_true(isUseCounted(win1, kDeprecatedFeature)); |
| 315 assert_true(isUseCounted(win2, kDeprecatedFeature)); |
| 316 }); |
| 317 }, 'UseCounter on ServiceWorkerGlobalScope - an updated worker should not ' + |
| 318 'take over a previous counter'); |
| 319 |
| 320 // TODO(nhiroki): Test a case where ServiceWorker controls SharedWorker that is |
| 321 // connected from multiple windows. In such a case, API use on ServiceWorker |
| 322 // should be propagated to all connecting windows via SharedWorker. |
| 323 |
| 324 </script> |
| 325 </html> |
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Chromium Code Reviews
Issue 2658603003:
ServiceWorker: Enable UseCounter for ServiceWorkerGlobalScope (Closed)
