/media/js/mochikit/tests/test_Signal.js
JavaScript | 448 lines | 356 code | 82 blank | 10 comment | 20 complexity | 63bf404b878728d01ed41bafdef930df MD5 | raw file
Possible License(s): GPL-3.0
- if (typeof(dojo) != 'undefined') { dojo.require('MochiKit.Signal'); }
- if (typeof(JSAN) != 'undefined') { JSAN.use('MochiKit.Signal'); }
- if (typeof(tests) == 'undefined') { tests = {}; }
- tests.test_Signal = function (t) {
-
- var submit = MochiKit.DOM.getElement('submit');
- var ident = null;
- var i = 0;
- var aFunction = function() {
- t.ok(this === submit, "aFunction should have 'this' as submit");
- i++;
- if (typeof(this.someVar) != 'undefined') {
- i += this.someVar;
- }
- };
-
- var aObject = {};
- aObject.aMethod = function() {
- t.ok(this === aObject, "aMethod should have 'this' as aObject");
- i++;
- };
- ident = connect('submit', 'onclick', aFunction);
- MochiKit.DOM.getElement('submit').click();
- t.is(i, 1, 'HTML onclick event can be connected to a function');
- disconnect(ident);
- MochiKit.DOM.getElement('submit').click();
- t.is(i, 1, 'HTML onclick can be disconnected from a function');
- var submit = MochiKit.DOM.getElement('submit');
- ident = connect(submit, 'onclick', aFunction);
- submit.click();
- t.is(i, 2, 'Checking that a DOM element can be connected to a function');
- disconnect(ident);
- submit.click();
- t.is(i, 2, '...and then disconnected');
-
- if (MochiKit.DOM.getElement('submit').fireEvent ||
- (document.createEvent &&
- typeof(document.createEvent('MouseEvents').initMouseEvent) == 'function')) {
-
- /*
-
- Adapted from:
- http://www.devdaily.com/java/jwarehouse/jforum/tests/selenium/javascript/htmlutils.js.shtml
- License: Apache
- Copyright: Copyright 2004 ThoughtWorks, Inc
-
- */
- var triggerMouseEvent = function(element, eventType, canBubble) {
- element = MochiKit.DOM.getElement(element);
- canBubble = (typeof(canBubble) == 'undefined') ? true : canBubble;
- if (element.fireEvent) {
- var newEvt = document.createEventObject();
- newEvt.clientX = 1;
- newEvt.clientY = 1;
- newEvt.button = 1;
- element.fireEvent('on' + eventType, newEvt);
- } else if (document.createEvent && (typeof(document.createEvent('MouseEvents').initMouseEvent) == 'function')) {
- var evt = document.createEvent('MouseEvents');
- evt.initMouseEvent(eventType, canBubble, true, // event, bubbles, cancelable
- document.defaultView, 1, // view, # of clicks
- 1, 0, 0, 0, // screenX, screenY, clientX, clientY
- false, false, false, false, // ctrlKey, altKey, shiftKey, metaKey
- 0, null); // buttonCode, relatedTarget
- element.dispatchEvent(evt);
- }
- };
- var eventTest = function(e) {
- i++;
- t.ok((typeof(e.event()) === 'object'), 'checking that event() is an object');
- t.ok((typeof(e.type()) === 'string'), 'checking that type() is a string');
- t.ok((e.target() === MochiKit.DOM.getElement('submit')), 'checking that target is "submit"');
- t.ok((typeof(e.modifier()) === 'object'), 'checking that modifier() is an object');
- t.ok(e.modifier().alt === false, 'checking that modifier().alt is defined, but false');
- t.ok(e.modifier().ctrl === false, 'checking that modifier().ctrl is defined, but false');
- t.ok(e.modifier().meta === false, 'checking that modifier().meta is defined, but false');
- t.ok(e.modifier().shift === false, 'checking that modifier().shift is defined, but false');
- t.ok((typeof(e.mouse()) === 'object'), 'checking that mouse() is an object');
- t.ok((typeof(e.mouse().button) === 'object'), 'checking that mouse().button is an object');
- t.ok(e.mouse().button.left === true, 'checking that mouse().button.left is true');
- t.ok(e.mouse().button.middle === false, 'checking that mouse().button.middle is false');
- t.ok(e.mouse().button.right === false, 'checking that mouse().button.right is false');
- t.ok((typeof(e.mouse().page) === 'object'), 'checking that mouse().page is an object');
- t.ok((typeof(e.mouse().page.x) === 'number'), 'checking that mouse().page.x is a number');
- t.ok((typeof(e.mouse().page.y) === 'number'), 'checking that mouse().page.y is a number');
- t.ok((typeof(e.mouse().client) === 'object'), 'checking that mouse().client is an object');
- t.ok((typeof(e.mouse().client.x) === 'number'), 'checking that mouse().client.x is a number');
- t.ok((typeof(e.mouse().client.y) === 'number'), 'checking that mouse().client.y is a number');
- /* these should not be defined */
- t.ok((typeof(e.relatedTarget()) === 'undefined'), 'checking that relatedTarget() is undefined');
- t.ok((typeof(e.key()) === 'undefined'), 'checking that key() is undefined');
- };
-
- ident = connect('submit', 'onmousedown', eventTest);
- triggerMouseEvent('submit', 'mousedown', false);
- t.is(i, 3, 'Connecting an event to an HTML object and firing a synthetic event');
- disconnect(ident);
- triggerMouseEvent('submit', 'mousedown', false);
- t.is(i, 3, 'Disconnecting an event to an HTML object and firing a synthetic event');
-
- }
- // non-DOM tests
- var hasNoSignals = {};
-
- var hasSignals = {someVar: 1};
- var i = 0;
-
- var aFunction = function() {
- i++;
- if (typeof(this.someVar) != 'undefined') {
- i += this.someVar;
- }
- };
-
- var bFunction = function(someArg, someOtherArg) {
- i += someArg + someOtherArg;
- };
-
- var aObject = {};
- aObject.aMethod = function() {
- i++;
- };
-
- aObject.bMethod = function() {
- i++;
- };
-
- var bObject = {};
- bObject.bMethod = function() {
- i++;
- };
- ident = connect(hasSignals, 'signalOne', aFunction);
- signal(hasSignals, 'signalOne');
- t.is(i, 2, 'Connecting function');
- i = 0;
- disconnect(ident);
- signal(hasSignals, 'signalOne');
- t.is(i, 0, 'New style disconnecting function');
- i = 0;
- ident = connect(hasSignals, 'signalOne', bFunction);
- signal(hasSignals, 'signalOne', 1, 2);
- t.is(i, 3, 'Connecting function');
- i = 0;
- disconnect(ident);
- signal(hasSignals, 'signalOne', 1, 2);
- t.is(i, 0, 'New style disconnecting function');
- i = 0;
- connect(hasSignals, 'signalOne', aFunction);
- signal(hasSignals, 'signalOne');
- t.is(i, 2, 'Connecting function');
- i = 0;
- disconnect(hasSignals, 'signalOne', aFunction);
- signal(hasSignals, 'signalOne');
- t.is(i, 0, 'Old style disconnecting function');
- i = 0;
- ident = connect(hasSignals, 'signalOne', aObject, aObject.aMethod);
- signal(hasSignals, 'signalOne');
- t.is(i, 1, 'Connecting obj-function');
- i = 0;
- disconnect(ident);
- signal(hasSignals, 'signalOne');
- t.is(i, 0, 'New style disconnecting obj-function');
- i = 0;
- connect(hasSignals, 'signalOne', aObject, aObject.aMethod);
- signal(hasSignals, 'signalOne');
- t.is(i, 1, 'Connecting obj-function');
- i = 0;
- disconnect(hasSignals, 'signalOne', aObject, aObject.aMethod);
- signal(hasSignals, 'signalOne');
- t.is(i, 0, 'Disconnecting obj-function');
- i = 0;
- ident = connect(hasSignals, 'signalTwo', aObject, 'aMethod');
- signal(hasSignals, 'signalTwo');
- t.is(i, 1, 'Connecting obj-string');
- i = 0;
- disconnect(ident);
- signal(hasSignals, 'signalTwo');
- t.is(i, 0, 'New style disconnecting obj-string');
- i = 0;
- connect(hasSignals, 'signalTwo', aObject, 'aMethod');
- signal(hasSignals, 'signalTwo');
- t.is(i, 1, 'Connecting obj-string');
- i = 0;
- disconnect(hasSignals, 'signalTwo', aObject, 'aMethod');
- signal(hasSignals, 'signalTwo');
- t.is(i, 0, 'Old style disconnecting obj-string');
- i = 0;
- var shouldRaise = function() { return undefined.attr; };
- try {
- connect(hasSignals, 'signalOne', shouldRaise);
- signal(hasSignals, 'signalOne');
- t.ok(false, 'An exception was not raised');
- } catch (e) {
- t.ok(true, 'An exception was raised');
- }
- disconnect(hasSignals, 'signalOne', shouldRaise);
- t.is(i, 0, 'Exception raised, signal should not have fired');
- i = 0;
-
- connect(hasSignals, 'signalOne', aObject, 'aMethod');
- connect(hasSignals, 'signalOne', aObject, 'bMethod');
- signal(hasSignals, 'signalOne');
- t.is(i, 2, 'Connecting one signal to two slots in one object');
- i = 0;
-
- disconnect(hasSignals, 'signalOne', aObject, 'aMethod');
- disconnect(hasSignals, 'signalOne', aObject, 'bMethod');
- signal(hasSignals, 'signalOne');
- t.is(i, 0, 'Disconnecting one signal from two slots in one object');
- i = 0;
- connect(hasSignals, 'signalOne', aObject, 'aMethod');
- connect(hasSignals, 'signalOne', bObject, 'bMethod');
- signal(hasSignals, 'signalOne');
- t.is(i, 2, 'Connecting one signal to two slots in two objects');
- i = 0;
- disconnect(hasSignals, 'signalOne', aObject, 'aMethod');
- disconnect(hasSignals, 'signalOne', bObject, 'bMethod');
- signal(hasSignals, 'signalOne');
- t.is(i, 0, 'Disconnecting one signal from two slots in two objects');
- i = 0;
-
- try {
- connect(nothing, 'signalOne', aObject, 'aMethod');
- signal(nothing, 'signalOne');
- t.ok(false, 'An exception was not raised when connecting undefined');
- } catch (e) {
- t.ok(true, 'An exception was raised when connecting undefined');
- }
- try {
- disconnect(nothing, 'signalOne', aObject, 'aMethod');
- t.ok(false, 'An exception was not raised when disconnecting undefined');
- } catch (e) {
- t.ok(true, 'An exception was raised when disconnecting undefined');
- }
-
-
- try {
- connect(hasSignals, 'signalOne', nothing);
- signal(hasSignals, 'signalOne');
- t.ok(false, 'An exception was not raised when connecting an undefined function');
- } catch (e) {
- t.ok(true, 'An exception was raised when connecting an undefined function');
- }
- try {
- disconnect(hasSignals, 'signalOne', nothing);
- t.ok(false, 'An exception was not raised when disconnecting an undefined function');
- } catch (e) {
- t.ok(true, 'An exception was raised when disconnecting an undefined function');
- }
-
-
- try {
- connect(hasSignals, 'signalOne', aObject, aObject.nothing);
- signal(hasSignals, 'signalOne');
- t.ok(false, 'An exception was not raised when connecting an undefined method');
- } catch (e) {
- t.ok(true, 'An exception was raised when connecting an undefined method');
- }
-
- try {
- connect(hasSignals, 'signalOne', aObject, 'nothing');
- signal(hasSignals, 'signalOne');
- t.ok(false, 'An exception was not raised when connecting an undefined method (as string)');
- } catch (e) {
- t.ok(true, 'An exception was raised when connecting an undefined method (as string)');
- }
- t.is(i, 0, 'Signals should not have fired');
- connect(hasSignals, 'signalOne', aFunction);
- connect(hasSignals, 'signalOne', aObject, 'aMethod');
- disconnectAll(hasSignals, 'signalOne');
- signal(hasSignals, 'signalOne');
- t.is(i, 0, 'disconnectAll works with single explicit signal');
- i = 0;
- connect(hasSignals, 'signalOne', aFunction);
- connect(hasSignals, 'signalOne', aObject, 'aMethod');
- connect(hasSignals, 'signalTwo', aFunction);
- connect(hasSignals, 'signalTwo', aObject, 'aMethod');
- disconnectAll(hasSignals, 'signalOne');
- signal(hasSignals, 'signalOne');
- t.is(i, 0, 'disconnectAll works with single explicit signal');
- signal(hasSignals, 'signalTwo');
- t.is(i, 3, 'disconnectAll does not disconnect unrelated signals');
- i = 0;
- connect(hasSignals, 'signalOne', aFunction);
- connect(hasSignals, 'signalOne', aObject, 'aMethod');
- connect(hasSignals, 'signalTwo', aFunction);
- connect(hasSignals, 'signalTwo', aObject, 'aMethod');
- disconnectAll(hasSignals, 'signalOne', 'signalTwo');
- signal(hasSignals, 'signalOne');
- signal(hasSignals, 'signalTwo');
- t.is(i, 0, 'disconnectAll works with two explicit signals');
- i = 0;
- connect(hasSignals, 'signalOne', aFunction);
- connect(hasSignals, 'signalOne', aObject, 'aMethod');
- connect(hasSignals, 'signalTwo', aFunction);
- connect(hasSignals, 'signalTwo', aObject, 'aMethod');
- disconnectAll(hasSignals, ['signalOne', 'signalTwo']);
- signal(hasSignals, 'signalOne');
- signal(hasSignals, 'signalTwo');
- t.is(i, 0, 'disconnectAll works with two explicit signals as a list');
- i = 0;
- connect(hasSignals, 'signalOne', aFunction);
- connect(hasSignals, 'signalOne', aObject, 'aMethod');
- connect(hasSignals, 'signalTwo', aFunction);
- connect(hasSignals, 'signalTwo', aObject, 'aMethod');
- disconnectAll(hasSignals);
- signal(hasSignals, 'signalOne');
- signal(hasSignals, 'signalTwo');
- t.is(i, 0, 'disconnectAll works with implicit signals');
- i = 0;
-
- var toggle = function() {
- disconnectAll(hasSignals, 'signalOne');
- connect(hasSignals, 'signalOne', aFunction);
- i++;
- };
-
- connect(hasSignals, 'signalOne', aFunction);
- connect(hasSignals, 'signalTwo', function() { i++; });
- connect(hasSignals, 'signalTwo', toggle);
- connect(hasSignals, 'signalTwo', function() { i++; }); // #147
- connect(hasSignals, 'signalTwo', function() { i++; });
- signal(hasSignals, 'signalTwo');
- t.is(i, 4, 'disconnectAll fired in a signal loop works');
- i = 0;
- disconnectAll('signalOne');
- disconnectAll('signalTwo');
- var testfunc = function () { arguments.callee.count++; };
- testfunc.count = 0;
- var testObj = {
- methOne: function () { this.countOne++; }, countOne: 0,
- methTwo: function () { this.countTwo++; }, countTwo: 0
- };
- connect(hasSignals, 'signalOne', testfunc);
- connect(hasSignals, 'signalTwo', testfunc);
- signal(hasSignals, 'signalOne');
- signal(hasSignals, 'signalTwo');
- t.is(testfunc.count, 2, 'disconnectAllTo func precondition');
- disconnectAllTo(testfunc);
- signal(hasSignals, 'signalOne');
- signal(hasSignals, 'signalTwo');
- t.is(testfunc.count, 2, 'disconnectAllTo func');
- connect(hasSignals, 'signalOne', testObj, 'methOne');
- connect(hasSignals, 'signalTwo', testObj, 'methTwo');
- signal(hasSignals, 'signalOne');
- signal(hasSignals, 'signalTwo');
- t.is(testObj.countOne, 1, 'disconnectAllTo obj precondition');
- t.is(testObj.countTwo, 1, 'disconnectAllTo obj precondition');
- disconnectAllTo(testObj);
- signal(hasSignals, 'signalOne');
- signal(hasSignals, 'signalTwo');
- t.is(testObj.countOne, 1, 'disconnectAllTo obj');
- t.is(testObj.countTwo, 1, 'disconnectAllTo obj');
- testObj.countOne = testObj.countTwo = 0;
- connect(hasSignals, 'signalOne', testObj, 'methOne');
- connect(hasSignals, 'signalTwo', testObj, 'methTwo');
- disconnectAllTo(testObj, 'methOne');
- signal(hasSignals, 'signalOne');
- signal(hasSignals, 'signalTwo');
- t.is(testObj.countOne, 0, 'disconnectAllTo obj+str');
- t.is(testObj.countTwo, 1, 'disconnectAllTo obj+str');
-
- has__Connect = {
- count: 0,
- __connect__: function (ident) {
- this.count += arguments.length;
- disconnect(ident);
- }
- };
- connect(has__Connect, 'signalOne', aFunction);
- t.is(has__Connect.count, 3, '__connect__ is called when it exists');
- signal(has__Connect, 'signalOne');
- t.is(has__Connect.count, 3, '__connect__ can disconnect the signal');
- var events = {};
- var test_ident = connect(events, "test", function() {
- var fail_ident = connect(events, "fail", function () {
- events.failed = true;
- });
- disconnect(fail_ident);
- signal(events, "fail");
- });
- signal(events, "test");
- t.is(events.failed, undefined, 'disconnected slots do not fire');
- var sink = {f: function (ev) { this.ev = ev; }};
- var src = {};
- bindMethods(sink);
- connect(src, 'signal', sink.f);
- signal(src, 'signal', 'worked');
- t.is(sink.ev, 'worked', 'custom signal does not re-bind methods');
-
- };