test_async_waituntil.html (2895B)
1 <!DOCTYPE HTML> 2 <html> 3 <!-- 4 Test that: 5 1. waitUntil() waits for each individual promise separately, even if 6 one of them was rejected. 7 2. waitUntil() can be called asynchronously as long as there is still 8 a pending extension promise. 9 --> 10 <head> 11 <title>Test for Bug 1263304</title> 12 <script src="/tests/SimpleTest/SimpleTest.js"></script> 13 <script src="error_reporting_helpers.js"></script> 14 <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" /> 15 <meta http-equiv="Content-type" content="text/html;charset=UTF-8"> 16 </head> 17 <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1263304">Mozilla Bug 1263304</a> 18 <p id="display"></p> 19 <div id="content" style="display: none"> 20 21 </div> 22 <pre id="test"> 23 </pre> 24 25 <script src="utils.js"></script> 26 <script class="testbody" type="text/javascript"> 27 add_task(function setupPrefs() { 28 return SpecialPowers.pushPrefEnv({"set": [ 29 ["dom.serviceWorkers.enabled", true], 30 ["dom.serviceWorkers.testing.enabled", true], 31 ]}); 32 }); 33 34 function wait_for_message(expected_message) { 35 return new Promise(function(resolve, reject) { 36 navigator.serviceWorker.onmessage = function(event) { 37 navigator.serviceWorker.onmessage = null; 38 ok(event.data === expected_message, "Received expected message event: " + event.data); 39 resolve(); 40 } 41 }); 42 } 43 44 add_task(async function async_wait_until() { 45 var worker; 46 let registration = await navigator.serviceWorker.register( 47 "async_waituntil_worker.js", { scope: "./"} ) 48 .then(function(reg) { 49 worker = reg.installing; 50 return waitForState(worker, 'activated', reg); 51 }); 52 53 // The service worker will claim us when it becomes active. 54 ok(navigator.serviceWorker.controller, "Controlled"); 55 56 // This will make the service worker die immediately if there are no pending 57 // waitUntil promises to keep it alive. 58 await SpecialPowers.pushPrefEnv({"set": [ 59 ["dom.serviceWorkers.idle_timeout", 0], 60 ["dom.serviceWorkers.idle_extended_timeout", 299999]]}); 61 62 // The service worker will wait on two promises, one of which 63 // will be rejected. We check whether the SW is killed using 64 // the value of a global variable. 65 let waitForStart = wait_for_message("Started"); 66 worker.postMessage("Start"); 67 await waitForStart; 68 69 await new Promise((res, rej) => { 70 setTimeout(res, 0); 71 }); 72 73 let waitResult = wait_for_message("Success"); 74 worker.postMessage("Result"); 75 await waitResult; 76 77 // Test the behaviour of calling waitUntil asynchronously. The important 78 // part is that we receive the message event. 79 let waitForMessage = wait_for_message("Done"); 80 await fetch("doesnt_exist.html").then(() => { 81 ok(true, "Fetch was successful."); 82 }); 83 await waitForMessage; 84 85 await SpecialPowers.popPrefEnv(); 86 await SpecialPowers.popPrefEnv(); 87 await registration.unregister(); 88 }); 89 </script> 90 </body> 91 </html>