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<!DOCTYPE html>
<html>
<!--
Copyright 2012 The Closure Library Authors. All Rights Reserved.
Use of this source code is governed by the Apache License, Version 2.0.
See the COPYING file for details.
-->
<!--
-->
<head>
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<title>Closure Unit Tests - goog.labs.observe.ObservationSet</title>
<script src="../../base.js"></script>
<script>
goog.require('goog.dispose');
goog.require('goog.labs.observe.ObservableSet');
goog.require('goog.labs.observe.Observer');
goog.require('goog.labs.observe.SimpleObservable');
goog.require('goog.testing.jsunit');
goog.require('goog.testing.recordFunction');
</script>
</head>
<body>
<script>
var observable1;
var observable2;
var observableSet;
function setUp() {
observable1 = new goog.labs.observe.SimpleObservable();
observable2 = new goog.labs.observe.SimpleObservable();
observableSet = new goog.labs.observe.ObservableSet();
}
function tearDown() {
goog.dispose(observable1);
goog.dispose(observable2);
}
function testAddingObservers() {
var observerFn1 = goog.testing.recordFunction();
var observerFn2 = goog.testing.recordFunction();
assertTrue(observableSet.addObserver(
goog.labs.observe.Observer.fromFunction(observerFn1)));
assertFalse(observableSet.addObserver(
goog.labs.observe.Observer.fromFunction(observerFn1)));
assertTrue(observableSet.addObserver(
goog.labs.observe.Observer.fromFunction(observerFn2)));
assertFalse(observableSet.addObserver(
goog.labs.observe.Observer.fromFunction(observerFn2)));
}
function testAddingObservables() {
assertTrue(observableSet.addObservable(observable1));
assertFalse(observableSet.addObservable(observable1));
assertTrue(observableSet.addObservable(observable2));
}
function testRemovingObservers() {
var observerFn = goog.testing.recordFunction();
observableSet.addObserver(
goog.labs.observe.Observer.fromFunction(observerFn));
observableSet.addObservable(observable1);
observableSet.addObservable(observable2);
assertTrue(observableSet.removeObserver(
goog.labs.observe.Observer.fromFunction(observerFn)));
assertFalse(observableSet.removeObserver(
goog.labs.observe.Observer.fromFunction(observerFn)));
observable1.notify();
observable2.notify();
assertEquals(0, observerFn.getCallCount());
}
function testRemovingObservables() {
var observerFn = goog.testing.recordFunction();
observableSet.addObservable(observable1);
observableSet.addObserver(
goog.labs.observe.Observer.fromFunction(observerFn));
observableSet.addObserver(
goog.labs.observe.Observer.fromFunction(observerFn));
assertTrue(observableSet.removeObservable(observable1));
assertFalse(observableSet.removeObservable(observable1));
observable1.notify();
observable1.notify();
assertEquals(0, observerFn.getCallCount());
}
function testAddingObserverBeforeAddingObservable() {
var observerFn = goog.testing.recordFunction();
observableSet.addObserver(
goog.labs.observe.Observer.fromFunction(observerFn));
observableSet.addObservable(observable1);
observableSet.addObservable(observable2);
observable1.notify();
assertEquals(1, observerFn.getCallCount());
observable2.notify();
assertEquals(2, observerFn.getCallCount());
}
function testAddingObserverAfterAddingObservable() {
var observerFn1 = goog.testing.recordFunction();
var observerFn2 = goog.testing.recordFunction();
observableSet.addObservable(observable1);
observableSet.addObserver(
goog.labs.observe.Observer.fromFunction(observerFn1));
observableSet.addObserver(
goog.labs.observe.Observer.fromFunction(observerFn2));
observable1.notify();
assertEquals(1, observerFn1.getCallCount());
assertEquals(1, observerFn2.getCallCount());
}
function testRemoveAllObservers() {
var observerFn1 = goog.testing.recordFunction();
var observerFn2 = goog.testing.recordFunction();
observableSet.addObservable(observable1);
observableSet.addObservable(observable2);
observableSet.addObserver(
goog.labs.observe.Observer.fromFunction(observerFn1));
observableSet.addObserver(
goog.labs.observe.Observer.fromFunction(observerFn2));
observableSet.removeAllObservers();
observable1.notify();
observable2.notify();
assertEquals(0, observerFn1.getCallCount());
// Ensures that the observables are still around.
observableSet.addObserver(
goog.labs.observe.Observer.fromFunction(observerFn1));
observable1.notify();
observable2.notify();
assertEquals(2, observerFn1.getCallCount());
}
function testRemoveAllObservables() {
var observerFn1 = goog.testing.recordFunction();
var observerFn2 = goog.testing.recordFunction();
observableSet.addObservable(observable1);
observableSet.addObservable(observable2);
observableSet.addObserver(
goog.labs.observe.Observer.fromFunction(observerFn1));
observableSet.addObserver(
goog.labs.observe.Observer.fromFunction(observerFn2));
observableSet.removeAllObservables();
observable1.notify();
observable2.notify();
assertEquals(0, observerFn1.getCallCount());
assertEquals(0, observerFn2.getCallCount());
// Ensures that the observers are still around.
observableSet.addObservable(observable1);
observable1.notify();
assertEquals(1, observerFn1.getCallCount());
assertEquals(1, observerFn2.getCallCount());
}
function testRemoveAll() {
var observerFn1 = goog.testing.recordFunction();
var observerFn2 = goog.testing.recordFunction();
observableSet.addObservable(observable1);
observableSet.addObservable(observable2);
observableSet.addObserver(
goog.labs.observe.Observer.fromFunction(observerFn1));
observableSet.addObserver(
goog.labs.observe.Observer.fromFunction(observerFn2));
observableSet.removeAll();
observable1.notify();
observable2.notify();
assertEquals(0, observerFn1.getCallCount());
assertEquals(0, observableSet.observers_.length);
assertEquals(0, observableSet.observables_.length);
}
</script>
</body>
</html>
|
