Fix base_unittest.js

remoting/webapp/unittests/base_unittest.js

+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+(function() {
+
+'use strict';
+
+module('base');
+
+test('mix(dest, src) should copy properties from |src| to |dest|',
+  function() {
+    var src = { a: 'a', b: 'b'};
+    var dest = { c: 'c'};
+
+    base.mix(dest, src);
+    deepEqual(dest, {a: 'a', b: 'b', c: 'c'});
+});
+
+test('mix(dest, src) should assert if properties are overwritten',
+  function() {
+    var src = { a: 'a', b: 'b'};
+    var dest = { a: 'a'};
+
+    sinon.spy(base.debug, 'assert');
+
+    try {
+      base.mix(dest, src);
+    } catch (e) {
+    } finally {
+      sinon.assert.called(base.debug.assert);
+      base.debug.assert.restore();
+    }
+});
+
+test('values(obj) should return an array containing the values of |obj|',
+  function() {
+    var output = base.values({ a: 'a', b: 'b'});
+
+    notEqual(output.indexOf('a'), -1, '"a" should be in the output');
+    notEqual(output.indexOf('b'), -1, '"b" should be in the output');
+});
+
+test('dispose(obj) should invoke the dispose method on |obj|',
+  function() {
+    var obj = {
+      dispose: sinon.spy()
+    };
+    base.dispose(obj);
+    sinon.assert.called(obj.dispose);
+});
+
+test('dispose(obj) should not crash if |obj| is null',
+  function() {
+    expect(0);
+    base.dispose(null);
+});
+
+QUnit.asyncTest('Promise.sleep(delay) should fulfill the promise after |delay|',
+  function() {
+    var isCalled = false;
+    var clock = this.clock;
+
+    base.Promise.sleep(100).then(function(){
+      isCalled = true;
+      ok(true, 'Promise.sleep() is fulfilled after delay.');
+      QUnit.start();
+    });
+
+    // Tick the clock for 2 seconds and check if the promise is fulfilled.
+    clock.tick(2);
+
+    // Promise fulfillment always occur on a new stack.  Therefore, we will run
+    // the verification in a requestAnimationFrame.
+    window.requestAnimationFrame(function(){
+      ok(!isCalled, 'Promise.sleep() should not be fulfilled prematurely.');
+      clock.tick(101);
+    }.bind(this));
+});
+
+
+var source = null;
+var listener = null;
+
+module('base.EventSource', {
+  setup: function() {
+    source = new base.EventSource();
+    source.defineEvents(['foo', 'bar']);
+    listener = sinon.spy();
+    source.addEventListener('foo', listener);
+  },
+  teardown: function() {
+    source = null;
+    listener = null;
+  }
+});
+
+test('raiseEvent() should invoke the listener', function() {
+  source.raiseEvent('foo');
+  sinon.assert.called(listener);
+});
+
+test('raiseEvent() should invoke the listener with the correct event data',
+  function() {
+    var data = {
+      field: 'foo'
+    };
+    source.raiseEvent('foo', data);
+    sinon.assert.calledWith(listener, data);
+});
+
+test(
+  'raiseEvent() should not invoke listeners that are added during raiseEvent',
+  function() {
+    source.addEventListener('foo', function() {
+      source.addEventListener('foo', function() {
+        ok(false);
+      });
+      ok(true);
+    });
+    source.raiseEvent('foo');
+});
+
+test('raiseEvent() should not invoke listeners of a different event',
+  function() {
+    source.raiseEvent('bar');
+    sinon.assert.notCalled(listener);
+});
+
+test('raiseEvent() should assert when undeclared events are raised',
+  function() {
+    sinon.spy(base.debug, 'assert');
+    try {
+      source.raiseEvent('undefined');
+    } catch (e) {
+    } finally {
+      sinon.assert.called(base.debug.assert);
+      base.debug.assert.restore();
+    }
+});
+
+test(
+  'removeEventListener() should not invoke the listener in subsequent ' +
+  'calls to |raiseEvent|',
+  function() {
+    source.raiseEvent('foo');
+    sinon.assert.calledOnce(listener);
+
+    source.removeEventListener('foo', listener);
+    source.raiseEvent('foo');
+    sinon.assert.calledOnce(listener);
+});
+
+test('removeEventListener() should work even if the listener ' +
+  'is removed during |raiseEvent|',
+  function() {
+    var sink = {};
+    sink.listener = sinon.spy(function() {
+      source.removeEventListener('foo', sink.listener);
+    });
+
+    source.addEventListener('foo', sink.listener);
+    source.raiseEvent('foo');
+    sinon.assert.calledOnce(sink.listener);
+
+    source.raiseEvent('foo');
+    sinon.assert.calledOnce(sink.listener);
+});
+
+})();