addon-sdk/source/test/test-browser-events.js

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/addon-sdk/source/test/test-browser-events.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,101 @@
     1.4 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.5 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.6 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.7 +
     1.8 +"use strict";
     1.9 +
    1.10 +module.metadata = {
    1.11 +  engines: {
    1.12 +    "Firefox": "*"
    1.13 +  }
    1.14 +};
    1.15 +
    1.16 +const { Loader } = require("sdk/test/loader");
    1.17 +const { open, getMostRecentBrowserWindow, getOuterId } = require("sdk/window/utils");
    1.18 +const { setTimeout } = require("sdk/timers");
    1.19 +
    1.20 +exports["test browser events"] = function(assert, done) {
    1.21 +  let loader = Loader(module);
    1.22 +  let { events } = loader.require("sdk/browser/events");
    1.23 +  let { on, off } = loader.require("sdk/event/core");
    1.24 +  let actual = [];
    1.25 +
    1.26 +  on(events, "data", function handler(e) {
    1.27 +    actual.push(e);
    1.28 +    if (e.type === "load") window.close();
    1.29 +    if (e.type === "close") {
    1.30 +      // Unload the module so that all listeners set by observer are removed.
    1.31 +
    1.32 +      let [ ready, load, close ] = actual;
    1.33 +
    1.34 +      assert.equal(ready.type, "DOMContentLoaded");
    1.35 +      assert.equal(ready.target, window, "window ready");
    1.36 +
    1.37 +      assert.equal(load.type, "load");
    1.38 +      assert.equal(load.target, window, "window load");
    1.39 +
    1.40 +      assert.equal(close.type, "close");
    1.41 +      assert.equal(close.target, window, "window load");
    1.42 +
    1.43 +      // Note: If window is closed right after this GC won't have time
    1.44 +      // to claim loader and there for this listener, there for it's safer
    1.45 +      // to remove listener.
    1.46 +      off(events, "data", handler);
    1.47 +      loader.unload();
    1.48 +      done();
    1.49 +    }
    1.50 +  });
    1.51 +
    1.52 +  // Open window and close it to trigger observers.
    1.53 +  let window = open();
    1.54 +};
    1.55 +
    1.56 +exports["test browser events ignore other wins"] = function(assert, done) {
    1.57 +  let loader = Loader(module);
    1.58 +  let { events: windowEvents } = loader.require("sdk/window/events");
    1.59 +  let { events: browserEvents } = loader.require("sdk/browser/events");
    1.60 +  let { on, off } = loader.require("sdk/event/core");
    1.61 +  let actualBrowser = [];
    1.62 +  let actualWindow = [];
    1.63 +
    1.64 +  function browserEventHandler(e) actualBrowser.push(e)
    1.65 +  on(browserEvents, "data", browserEventHandler);
    1.66 +  on(windowEvents, "data", function handler(e) {
    1.67 +    actualWindow.push(e);
    1.68 +    // Delay close so that if "load" is also emitted on `browserEvents`
    1.69 +    // `browserEventHandler` will be invoked.
    1.70 +    if (e.type === "load") setTimeout(window.close);
    1.71 +    if (e.type === "close") {
    1.72 +      assert.deepEqual(actualBrowser, [], "browser events were not triggered");
    1.73 +      let [ open, ready, load, close ] = actualWindow;
    1.74 +
    1.75 +      assert.equal(open.type, "open");
    1.76 +      assert.equal(open.target, window, "window is open");
    1.77 +
    1.78 +
    1.79 +
    1.80 +      assert.equal(ready.type, "DOMContentLoaded");
    1.81 +      assert.equal(ready.target, window, "window ready");
    1.82 +
    1.83 +      assert.equal(load.type, "load");
    1.84 +      assert.equal(load.target, window, "window load");
    1.85 +
    1.86 +      assert.equal(close.type, "close");
    1.87 +      assert.equal(close.target, window, "window load");
    1.88 +
    1.89 +
    1.90 +      // Note: If window is closed right after this GC won't have time
    1.91 +      // to claim loader and there for this listener, there for it's safer
    1.92 +      // to remove listener.
    1.93 +      off(windowEvents, "data", handler);
    1.94 +      off(browserEvents, "data", browserEventHandler);
    1.95 +      loader.unload();
    1.96 +      done();
    1.97 +    }
    1.98 +  });
    1.99 +
   1.100 +  // Open window and close it to trigger observers.
   1.101 +  let window = open("data:text/html,not a browser");
   1.102 +};
   1.103 +
   1.104 +require("test").run(exports);

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