| /* Test adapted from Alex Vincent's XHR2 timeout tests, written for Mozilla. |
| https://hg.mozilla.org/mozilla-central/file/tip/content/base/test/ |
| Released into the public domain or under BSD, according to |
| https://bugzilla.mozilla.org/show_bug.cgi?id=525816#c86 |
| */ |
| |
| /* Notes: |
| - All times are expressed in milliseconds in this test suite. |
| - Test harness code is at the end of this file. |
| - We generate only one request at a time, to avoid overloading the HTTP |
| request handlers. |
| */ |
| |
| var TIME_NORMAL_LOAD = 5000; |
| var TIME_LATE_TIMEOUT = 4000; |
| var TIME_XHR_LOAD = 3000; |
| var TIME_REGULAR_TIMEOUT = 2000; |
| var TIME_SYNC_TIMEOUT = 1000; |
| var TIME_DELAY = 1000; |
| |
| /* |
| * This should point to a resource that responds with a text/plain resource after a delay of TIME_XHR_LOAD milliseconds. |
| */ |
| var STALLED_REQUEST_URL = "delay.py?ms=" + (TIME_XHR_LOAD); |
| |
| var inWorker = false; |
| try { |
| inWorker = !(self instanceof Window); |
| } catch (e) { |
| inWorker = true; |
| } |
| |
| if (!inWorker) |
| STALLED_REQUEST_URL = "resources/" + STALLED_REQUEST_URL; |
| |
| function message(obj) { |
| if (inWorker) |
| self.postMessage(obj); |
| else |
| self.postMessage(obj, "*"); |
| } |
| |
| function is(got, expected, msg) { |
| var obj = {}; |
| obj.type = "is"; |
| obj.got = got; |
| obj.expected = expected; |
| obj.msg = msg; |
| |
| message(obj); |
| } |
| |
| function ok(bool, msg) { |
| var obj = {}; |
| obj.type = "ok"; |
| obj.bool = bool; |
| obj.msg = msg; |
| |
| message(obj); |
| } |
| |
| /** |
| * Generate and track results from a XMLHttpRequest with regards to timeouts. |
| * |
| * @param {String} id The test description. |
| * @param {Number} timeLimit The initial setting for the request timeout. |
| * @param {Number} resetAfter (Optional) The time after sending the request, to |
| * reset the timeout. |
| * @param {Number} resetTo (Optional) The delay to reset the timeout to. |
| * |
| * @note The actual testing takes place in handleEvent(event). |
| * The requests are generated in startXHR(). |
| * |
| * @note If resetAfter and resetTo are omitted, only the initial timeout setting |
| * applies. |
| * |
| * @constructor |
| * @implements DOMEventListener |
| */ |
| function RequestTracker(async, id, timeLimit /*[, resetAfter, resetTo]*/) { |
| this.async = async; |
| this.id = id; |
| this.timeLimit = timeLimit; |
| |
| if (arguments.length > 3) { |
| this.mustReset = true; |
| this.resetAfter = arguments[3]; |
| this.resetTo = arguments[4]; |
| } |
| |
| this.hasFired = false; |
| } |
| RequestTracker.prototype = { |
| /** |
| * Start the XMLHttpRequest! |
| */ |
| startXHR: function() { |
| var req = new XMLHttpRequest(); |
| this.request = req; |
| req.open("GET", STALLED_REQUEST_URL, this.async); |
| var me = this; |
| function handleEvent(e) { return me.handleEvent(e); }; |
| req.onerror = handleEvent; |
| req.onload = handleEvent; |
| req.onabort = handleEvent; |
| req.ontimeout = handleEvent; |
| |
| req.timeout = this.timeLimit; |
| |
| if (this.mustReset) { |
| var resetTo = this.resetTo; |
| self.setTimeout(function() { |
| req.timeout = resetTo; |
| }, this.resetAfter); |
| } |
| |
| try { |
| req.send(null); |
| } |
| catch (e) { |
| // Synchronous case in workers. |
| ok(!this.async && this.timeLimit < TIME_XHR_LOAD && e.name == "TimeoutError", "Unexpected error: " + e); |
| TestCounter.testComplete(); |
| } |
| }, |
| |
| /** |
| * Get a message describing this test. |
| * |
| * @returns {String} The test description. |
| */ |
| getMessage: function() { |
| var rv = this.id + ", "; |
| if (this.mustReset) { |
| rv += "original timeout at " + this.timeLimit + ", "; |
| rv += "reset at " + this.resetAfter + " to " + this.resetTo; |
| } |
| else { |
| rv += "timeout scheduled at " + this.timeLimit; |
| } |
| return rv; |
| }, |
| |
| /** |
| * Check the event received, and if it's the right (and only) one we get. |
| * |
| * @param {DOMProgressEvent} evt An event of type "load" or "timeout". |
| */ |
| handleEvent: function(evt) { |
| if (this.hasFired) { |
| ok(false, "Only one event should fire: " + this.getMessage()); |
| return; |
| } |
| this.hasFired = true; |
| |
| var type = evt.type, expectedType; |
| // The XHR responds after TIME_XHR_LOAD milliseconds with a load event. |
| var timeLimit = this.mustReset && (this.resetAfter < Math.min(TIME_XHR_LOAD, this.timeLimit)) ? |
| this.resetTo : |
| this.timeLimit; |
| if ((timeLimit == 0) || (timeLimit >= TIME_XHR_LOAD)) { |
| expectedType = "load"; |
| } |
| else { |
| expectedType = "timeout"; |
| } |
| is(type, expectedType, this.getMessage()); |
| TestCounter.testComplete(); |
| } |
| }; |
| |
| /** |
| * Generate and track XMLHttpRequests which will have abort() called on. |
| * |
| * @param shouldAbort {Boolean} True if we should call abort at all. |
| * @param abortDelay {Number} The time in ms to wait before calling abort(). |
| */ |
| function AbortedRequest(shouldAbort, id, abortDelay) { |
| this.shouldAbort = shouldAbort; |
| this.abortDelay = abortDelay; |
| this.hasFired = false; |
| } |
| AbortedRequest.prototype = { |
| /** |
| * Start the XMLHttpRequest! |
| */ |
| startXHR: function() { |
| var req = new XMLHttpRequest(); |
| this.request = req; |
| req.open("GET", STALLED_REQUEST_URL); |
| var _this = this; |
| function handleEvent(e) { return _this.handleEvent(e); }; |
| req.onerror = handleEvent; |
| req.onload = handleEvent; |
| req.onabort = handleEvent; |
| req.ontimeout = handleEvent; |
| |
| req.timeout = TIME_REGULAR_TIMEOUT; |
| |
| function abortReq() { |
| req.abort(); |
| } |
| |
| if (!this.shouldAbort) { |
| self.setTimeout(function() { |
| try { |
| _this.noEventsFired(); |
| } |
| catch (e) { |
| ok(false, "Unexpected error: " + e); |
| TestCounter.testComplete(); |
| } |
| }, TIME_NORMAL_LOAD); |
| } |
| else { |
| // Abort events can only be triggered on sent requests. |
| req.send(); |
| if (this.abortDelay == -1) { |
| abortReq(); |
| } |
| else { |
| self.setTimeout(abortReq, this.abortDelay); |
| } |
| } |
| }, |
| |
| /** |
| * Ensure that no events fired at all, especially not our timeout event. |
| */ |
| noEventsFired: function() { |
| ok(!this.hasFired, "No events should fire for an unsent, unaborted request"); |
| // We're done; if timeout hasn't fired by now, it never will. |
| TestCounter.testComplete(); |
| }, |
| |
| /** |
| * Get a message describing this test. |
| * |
| * @returns {String} The test description. |
| */ |
| getMessage: function() { |
| return "time to abort is " + this.abortDelay + ", timeout set at " + TIME_REGULAR_TIMEOUT; |
| }, |
| |
| /** |
| * Check the event received, and if it's the right (and only) one we get. |
| * |
| * WebKit fires abort events even for DONE and UNSENT states, which is |
| * discussed in http://webkit.org/b/98404 |
| * That's why we chose to accept secondary "abort" events in this test. |
| * |
| * @param {DOMProgressEvent} evt An event of type "load" or "timeout". |
| */ |
| handleEvent: function(evt) { |
| if (this.hasFired && evt.type != "abort") { |
| ok(false, "Only abort event should fire: " + this.getMessage()); |
| return; |
| } |
| |
| var expectedEvent = (this.abortDelay >= TIME_REGULAR_TIMEOUT && !this.hasFired) ? "timeout" : "abort"; |
| this.hasFired = true; |
| is(evt.type, expectedEvent, this.getMessage()); |
| TestCounter.testComplete(); |
| } |
| }; |
| |
| function SyncRequestSettingTimeoutAfterOpen() { |
| this.startXHR = function() { |
| var pass = false; |
| var req = new XMLHttpRequest(); |
| req.open("GET", STALLED_REQUEST_URL, false); |
| try { |
| req.timeout = TIME_SYNC_TIMEOUT; |
| } |
| catch (e) { |
| pass = true; |
| } |
| ok(pass, "Synchronous XHR must not allow a timeout to be set - setting timeout must throw"); |
| TestCounter.testComplete(); |
| }; |
| return this; |
| }; |
| |
| function SyncRequestSettingTimeoutBeforeOpen() { |
| this.startXHR = function() { |
| var pass = false; |
| var req = new XMLHttpRequest(); |
| req.timeout = TIME_SYNC_TIMEOUT; |
| try { |
| req.open("GET", STALLED_REQUEST_URL, false); |
| } |
| catch (e) { |
| pass = true; |
| } |
| ok(pass, "Synchronous XHR must not allow a timeout to be set - calling open() after timeout is set must throw"); |
| TestCounter.testComplete(); |
| } |
| return this; |
| }; |
| |
| var TestRequests = []; |
| |
| // This code controls moving from one test to another. |
| var TestCounter = { |
| testComplete: function() { |
| // Allow for the possibility there are other events coming. |
| self.setTimeout(function() { |
| TestCounter.next(); |
| }, TIME_NORMAL_LOAD); |
| }, |
| |
| next: function() { |
| var test = TestRequests.shift(); |
| |
| if (test) { |
| test.startXHR(); |
| } |
| else { |
| message("done"); |
| } |
| } |
| }; |
| |
| function runTestRequests(testRequests) { |
| if (location.search) { |
| testRequests = testRequests.filter(test => test[2] == decodeURIComponent(location.search.substr(1))); |
| } |
| TestRequests = testRequests.map(test => { |
| var constructor = test.shift(); |
| return new self[constructor](...test) |
| }); |
| TestCounter.next(); |
| } |