137 lines
3.9 KiB
HTML
137 lines
3.9 KiB
HTML
<!DOCTYPE HTML>
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<html>
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<!--
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Tests for InspectorActor.getImageData() in following cases:
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* Image takes too long to load (the method rejects after a timeout).
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* Image is loading when the method is called and the load finishes before
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timeout.
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* Image fails to load.
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https://bugzilla.mozilla.org/show_bug.cgi?id=1192536
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-->
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<head>
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<meta charset="utf-8">
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<title>Test for Bug 1192536</title>
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<script type="application/javascript" src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
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<link rel="stylesheet" type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css">
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<script type="application/javascript;version=1.8" src="inspector-helpers.js"></script>
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<script type="application/javascript;version=1.8">
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const flags = require("devtools/shared/flags");
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const wasTesting = flags.testing;
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SimpleTest.registerCleanupFunction(() => flags.testing = wasTesting);
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const PATH = "http://mochi.test:8888/chrome/devtools/server/tests/mochitest/";
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const BASE_IMAGE = PATH + "inspector-delay-image-response.sjs";
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const DELAYED_IMAGE = BASE_IMAGE + "?delay=300";
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const TIMEOUT_IMAGE = BASE_IMAGE + "?delay=50000";
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const NONEXISTENT_IMAGE = PATH + "this-does-not-exist.png";
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window.onload = function() {
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SimpleTest.waitForExplicitFinish();
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runNextTest();
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}
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var gImg = null;
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var gNodeFront = null;
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var gWalker = null;
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addTest(function setup() {
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let url = document.getElementById("inspectorContent").href;
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attachURL(url, function(err, client, tab, doc) {
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let {InspectorFront} = require("devtools/shared/fronts/inspector");
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let inspector = InspectorFront(client, tab);
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promiseDone(inspector.getWalker().then(walker => {
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gWalker = walker;
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return walker.querySelector(gWalker.rootNode, "img.custom").then(img => {
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gNodeFront = img;
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gImg = doc.querySelector("img.custom");
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ok(gNodeFront, "Got the image NodeFront.");
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ok(gImg, "Got the image Node.");
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});
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}).then(runNextTest));
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});
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});
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addTest(function testTimeout() {
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info("Testing that the method aborts if the image takes too long to load.");
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// imageToImageData() only times out when flags.testing is not set.
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flags.testing = false;
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gImg.src = TIMEOUT_IMAGE;
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info("Calling getImageData().");
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ensureRejects(gNodeFront.getImageData(), "Timeout image").then(runNextTest);
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});
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addTest(function testNonExistentImage() {
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info("Testing that non-existent image causes a rejection.");
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// This test shouldn't hit the timeout.
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flags.testing = true;
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gImg.src = NONEXISTENT_IMAGE;
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info("Calling getImageData().");
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ensureRejects(gNodeFront.getImageData(), "Non-existent image").then(runNextTest);
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});
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addTest(function testDelayedImage() {
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info("Testing that the method waits for an image to load.");
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// This test shouldn't hit the timeout.
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flags.testing = true;
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gImg.src = DELAYED_IMAGE;
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info("Calling getImageData().");
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checkImageData(gNodeFront.getImageData()).then(runNextTest);
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});
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addTest(function cleanup() {
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delete gImg;
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delete gNodeFront
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delete gWalker;
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runNextTest();
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});
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/**
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* Asserts that the given promise rejects.
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*/
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function ensureRejects(promise, desc) {
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return promise.then(() => {
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ok(false, desc + ": promise resolved unexpectedly.");
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}, () => {
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ok(true, desc + ": promise rejected as expected.");
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});
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}
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/**
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* Waits for the call to getImageData() the resolve and checks that the image
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* size is reported correctly.
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*/
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function checkImageData(promise, { width, height } = { width: 1, height: 1 }) {
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return promise.then(({ size }) => {
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is(size.naturalWidth, width, "The width is correct.");
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is(size.naturalHeight, height, "The height is correct.");
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});
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}
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</script>
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</head>
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<body>
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<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1192536">Mozilla Bug 1192536</a>
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<a id="inspectorContent" target="_blank" href="inspector_getImageData.html">Test Document</a>
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<p id="display"></p>
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<div id="content" style="display: none">
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</div>
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<pre id="test">
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</pre>
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</body>
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</html>
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