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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.Observer');
goog.require('goog.labs.observe.ObservationSet');
goog.require('goog.labs.observe.SimpleObservable');
goog.require('goog.testing.jsunit');
goog.require('goog.testing.recordFunction');
</script>
</head>
<body>
<script>
var observable;
var observable2;
var observationSet;
function setUp() {
observable = new goog.labs.observe.SimpleObservable();
observable2 = new goog.labs.observe.SimpleObservable();
observationSet = new goog.labs.observe.ObservationSet();
}
function tearDown() {
goog.dispose(observable);
goog.dispose(observable2);
}
function testObserveObservesCorrectly() {
var observerFn = goog.testing.recordFunction();
assertTrue(observationSet.observe(
observable, goog.labs.observe.Observer.fromFunction(observerFn)));
observable.notify();
assertEquals(1, observerFn.getCallCount());
}
function testObserveDoesNotRegisterDuplicateObserver() {
var observerFn = goog.testing.recordFunction();
assertTrue(observationSet.observe(
observable, goog.labs.observe.Observer.fromFunction(observerFn)));
assertFalse(observationSet.observe(
observable, goog.labs.observe.Observer.fromFunction(observerFn)));
observable.notify();
assertEquals(1, observerFn.getCallCount());
}
function testObserveWithMultipleObservers() {
var observerFn = goog.testing.recordFunction();
var observerFn2 = goog.testing.recordFunction();
assertTrue(observationSet.observe(
observable, goog.labs.observe.Observer.fromFunction(observerFn)));
assertTrue(observationSet.observe(
observable, goog.labs.observe.Observer.fromFunction(observerFn2)));
observable.notify();
assertEquals(1, observerFn.getCallCount());
assertEquals(1, observerFn2.getCallCount());
}
function testObserveWithFunction() {
var observerFn = goog.testing.recordFunction();
assertNotNull(observationSet.observeWithFunction(observable, observerFn));
assertNull(observationSet.observeWithFunction(observable, observerFn));
assertFalse(observationSet.observe(
observable, goog.labs.observe.Observer.fromFunction(observerFn)));
observable.notify();
assertEquals(1, observerFn.getCallCount());
}
function testObserveWithFunctionAndScope() {
var scope = {};
var observerFn = goog.testing.recordFunction(function() {
assertEquals(scope, this);
});
assertNotNull(observationSet.observeWithFunction(
observable, observerFn, scope));
assertNull(observationSet.observeWithFunction(
observable, observerFn, scope));
assertFalse(observationSet.observe(
observable, goog.labs.observe.Observer.fromFunction(observerFn, scope)));
observable.notify();
assertEquals(1, observerFn.getCallCount());
}
function testObserveWithFunctionWithDefaultScope() {
var scope = {};
observationSet = new goog.labs.observe.ObservationSet(scope);
var observerFn = goog.testing.recordFunction(function() {
assertEquals(scope, this);
});
assertNotNull(observationSet.observeWithFunction(observable, observerFn));
assertNull(observationSet.observeWithFunction(observable, observerFn));
assertNull(observationSet.observeWithFunction(observable, observerFn, scope));
assertFalse(observationSet.observe(
observable, goog.labs.observe.Observer.fromFunction(observerFn, scope)));
observable.notify();
assertEquals(1, observerFn.getCallCount());
// This should succeed since we use observe method, defaultScope is
// not used in this case.
assertTrue(observationSet.observe(
observable, goog.labs.observe.Observer.fromFunction(observerFn)));
// This should succeed since the scope is different.
var scope2 = {};
assertNotNull(observationSet.observeWithFunction(
observable, observerFn, scope2));
}
function testUnobserveUnobservesCorrectly() {
var observerFn = goog.testing.recordFunction();
assertTrue(observationSet.observe(
observable, goog.labs.observe.Observer.fromFunction(observerFn)));
assertTrue(observationSet.unobserve(
observable, goog.labs.observe.Observer.fromFunction(observerFn)));
observable.notify();
assertEquals(0, observerFn.getCallCount());
}
function testUnobserveDoesNotUnobserveObservationNotMadeByObservationSet() {
var observerFn = goog.testing.recordFunction();
// Observation via observable directly.
observable.observe(goog.labs.observe.Observer.fromFunction(observerFn));
assertFalse(observationSet.unobserve(
observable, goog.labs.observe.Observer.fromFunction(observerFn)));
observable.notify();
assertEquals(1, observerFn.getCallCount());
observerFn.reset();
// Observation via another ObservationSet.
var observationSet2 = new goog.labs.observe.ObservationSet();
observationSet2.observe(
observable2, goog.labs.observe.Observer.fromFunction(observerFn));
assertFalse(observationSet.unobserve(
observable2, goog.labs.observe.Observer.fromFunction(observerFn)));
observable2.notify();
assertEquals(1, observerFn.getCallCount());
observerFn.reset();
}
function testUnobserveWithFunction() {
var observerFn = goog.testing.recordFunction();
observationSet.observeWithFunction(observable, observerFn);
assertTrue(observationSet.unobserveWithFunction(observable, observerFn));
assertNotNull(observationSet.observeWithFunction(observable, observerFn));
assertTrue(observationSet.unobserve(
observable, goog.labs.observe.Observer.fromFunction(observerFn)));
observable.notify();
assertEquals(0, observerFn.getCallCount());
}
function testUnobserveWithFunctionAndScope() {
var scope = {};
var observerFn = goog.testing.recordFunction();
observationSet.observeWithFunction(
observable, observerFn, scope);
assertTrue(observationSet.unobserveWithFunction(
observable, observerFn, scope));
assertNotNull(observationSet.observeWithFunction(
observable, observerFn, scope));
assertTrue(observationSet.unobserve(
observable, goog.labs.observe.Observer.fromFunction(observerFn, scope)));
observable.notify();
assertEquals(0, observerFn.getCallCount());
}
function testUnobserveWithFunctionWithDefaultScope() {
var scope = {};
observationSet = new goog.labs.observe.ObservationSet(scope);
var observerFn = goog.testing.recordFunction();
observationSet.observeWithFunction(observable, observerFn);
assertTrue(observationSet.unobserveWithFunction(observable, observerFn));
assertNotNull(observationSet.observeWithFunction(
observable, observerFn, scope));
assertTrue(observationSet.unobserveWithFunction(observable, observerFn));
assertNotNull(observationSet.observeWithFunction(observable, observerFn));
assertTrue(observationSet.unobserveWithFunction(
observable, observerFn, scope));
observable.notify();
assertEquals(0, observerFn.getCallCount());
}
function testRemoveAllWithZeroObservation() {
observationSet.removeAll();
}
function testRemoveAll() {
var observerFn = goog.testing.recordFunction();
var observerFn2 = goog.testing.recordFunction();
assertTrue(observationSet.observe(
observable, goog.labs.observe.Observer.fromFunction(observerFn)));
assertTrue(observationSet.observe(
observable, goog.labs.observe.Observer.fromFunction(observerFn2)));
assertTrue(observationSet.observe(
observable2, goog.labs.observe.Observer.fromFunction(observerFn)));
observationSet.removeAll();
observable.notify();
observable2.notify();
assertEquals(0, observerFn.getCallCount());
assertEquals(0, observerFn2.getCallCount());
}
</script>
</body>
</html>
|
