Effects: Adding unit tests for jQuery.Animation

Closes gh-2326

1 files changed, 230 insertions, 0 deletions

diff --git a/test/unit/animation.js b/test/unit/animation.js
new file mode 100644
index 000000000..6bb070145
--- /dev/null
+++ b/test/unit/animation.js
@@ -0,0 +1,230 @@
+( function() {
+
+// Can't test what ain't there
+if ( !jQuery.fx ) {
+	return;
+}
+
+var oldRaf = window.requestAnimationFrame,
+	defaultPrefilter = jQuery.Animation.prefilters[ 0 ],
+	defaultTweener = jQuery.Animation.tweeners[ "*" ][ 0 ],
+	startTime = 505877050;
+
+// This module tests jQuery.Animation and the corresponding 1.8+ effects APIs
+module( "animation", {
+	setup: function() {
+		window.requestAnimationFrame = null;
+		this.sandbox = sinon.sandbox.create();
+		this.clock = this.sandbox.useFakeTimers( startTime );
+		this._oldInterval = jQuery.fx.interval;
+		jQuery.fx.step = {};
+		jQuery.fx.interval = 10;
+		jQuery.now = Date.now;
+		jQuery.Animation.prefilters = [ defaultPrefilter ];
+		jQuery.Animation.tweeners = { "*": [ defaultTweener ] };
+	},
+	teardown: function() {
+		this.sandbox.restore();
+		jQuery.now = Date.now;
+		jQuery.fx.stop();
+		jQuery.fx.interval = this._oldInterval;
+		window.requestAnimationFrame = oldRaf;
+		return moduleTeardown.apply( this, arguments );
+	}
+} );
+
+test( "Animation( subject, props, opts ) - shape", function() {
+	expect( 20 );
+
+	var subject = { test: 0 },
+		props = { test: 1 },
+		opts = { queue: "fx", duration: 100 },
+		animation = jQuery.Animation( subject, props, opts );
+
+	equal( animation.elem, subject, ".elem is set to the exact object passed" );
+	equal( animation.originalOptions, opts, ".originalOptions is set to options passed" );
+	equal( animation.originalProperties, props, ".originalProperties is set to props passed" );
+
+	notEqual( animation.props, props, ".props is not the original however" );
+	deepEqual( animation.props, props, ".props is a copy of the original" );
+
+	deepEqual( animation.opts, {
+		duration: 100,
+		queue: "fx",
+		specialEasing: { test: undefined },
+		easing: jQuery.easing._default
+	}, ".options is filled with default easing and specialEasing" );
+
+	equal( animation.startTime, startTime, "startTime was set" );
+	equal( animation.duration, 100, ".duration is set" );
+
+	equal( animation.tweens.length, 1, ".tweens has one Tween" );
+	equal( typeof animation.tweens[ 0 ].run, "function", "which has a .run function" );
+
+	equal( typeof animation.createTween, "function", ".createTween is a function" );
+	equal( typeof animation.stop, "function", ".stop is a function" );
+
+	equal( typeof animation.done, "function", ".done is a function" );
+	equal( typeof animation.fail, "function", ".fail is a function" );
+	equal( typeof animation.always, "function", ".always is a function" );
+	equal( typeof animation.progress, "function", ".progress is a function" );
+
+	equal( jQuery.timers.length, 1, "Added a timers function" );
+	equal( jQuery.timers[ 0 ].elem, subject, "...with .elem as the subject" );
+	equal( jQuery.timers[ 0 ].anim, animation, "...with .anim as the animation" );
+	equal( jQuery.timers[ 0 ].queue, opts.queue, "...with .queue" );
+
+	// Cleanup after ourselves by ticking to the end
+	this.clock.tick( 100 );
+} );
+
+test( "Animation.prefilter( fn ) - calls prefilter after defaultPrefilter", function() {
+	expect( 1 );
+
+	var prefilter = this.sandbox.stub(),
+		defaultSpy = this.sandbox.spy( jQuery.Animation.prefilters, 0 );
+
+	jQuery.Animation.prefilter( prefilter );
+
+	jQuery.Animation( {}, {}, {} );
+	ok( prefilter.calledAfter( defaultSpy ), "our prefilter called after" );
+} );
+
+test( "Animation.prefilter( fn, true ) - calls prefilter before defaultPrefilter", function() {
+	expect( 1 );
+
+	var prefilter = this.sandbox.stub(),
+		defaultSpy = this.sandbox.spy( jQuery.Animation.prefilters, 0 );
+
+	jQuery.Animation.prefilter( prefilter, true );
+
+	jQuery.Animation( {}, {}, {} );
+	ok( prefilter.calledBefore( defaultSpy ), "our prefilter called before" );
+} );
+
+test( "Animation.prefilter - prefilter return hooks", function() {
+	expect( 34 );
+
+	var animation, realAnimation, element,
+		sandbox = this.sandbox,
+		ourAnimation = { stop: this.sandbox.spy() },
+		target = { height: 50 },
+		props = { height: 100 },
+		opts = { duration: 100 },
+		prefilter = this.sandbox.spy( function() {
+			realAnimation = this;
+			sandbox.spy( realAnimation, "createTween" );
+
+			deepEqual( realAnimation.originalProperties, props, "originalProperties" );
+			equal( arguments[ 0 ], this.elem, "first param elem" );
+			equal( arguments[ 1 ], this.props, "second param props" );
+			equal( arguments[ 2 ], this.opts, "third param opts" );
+			return ourAnimation;
+		} ),
+		defaultSpy = sandbox.spy( jQuery.Animation.prefilters, 0 ),
+		queueSpy = sandbox.spy( function( next ) {
+			next();
+		} ),
+		TweenSpy = sandbox.spy( jQuery, "Tween" );
+
+	jQuery.Animation.prefilter( prefilter, true );
+
+	sandbox.stub( jQuery.fx, "timer" );
+
+	animation = jQuery.Animation( target, props, opts );
+
+	equal( prefilter.callCount, 1, "Called prefilter" );
+
+	equal( defaultSpy.callCount, 0,
+		"Returning something from a prefilter caused remaining prefilters to not run" );
+	equal( jQuery.fx.timer.callCount, 0, "Returning something never queues a timer" );
+	equal( animation, ourAnimation, "Returning something returned it from jQuery.Animation" );
+	equal( realAnimation.createTween.callCount, 0, "Returning something never creates tweens" );
+	equal( TweenSpy.callCount, 0, "Returning something never creates tweens" );
+
+	// Test overriden usage on queues:
+	prefilter.reset();
+	element = jQuery( "<div>" )
+		.css( "height", 50 )
+		.animate( props, 100 )
+		.queue( queueSpy )
+		.animate( props, 100 )
+		.queue( queueSpy )
+		.animate( props, 100 )
+		.queue( queueSpy );
+
+	equal( prefilter.callCount, 1, "Called prefilter" );
+	equal( queueSpy.callCount, 0, "Next function in queue not called" );
+
+	realAnimation.opts.complete.call( realAnimation.elem );
+	equal( queueSpy.callCount, 1, "Next function in queue called after complete" );
+
+	equal( prefilter.callCount, 2, "Called prefilter again - animation #2" );
+	equal( ourAnimation.stop.callCount, 0, ".stop() on our animation hasn't been called" );
+
+	element.stop();
+	equal( ourAnimation.stop.callCount, 1, ".stop() called ourAnimation.stop()" );
+	ok( !ourAnimation.stop.args[ 0 ][ 0 ], ".stop( falsy ) (undefined or false are both valid)" );
+
+	equal( queueSpy.callCount, 2, "Next queue function called" );
+	ok( queueSpy.calledAfter( ourAnimation.stop ), "After our animation was told to stop" );
+
+	// ourAnimation.stop.reset();
+	equal( prefilter.callCount, 3, "Got the next animation" );
+
+	ourAnimation.stop.reset();
+
+	// do not clear queue, gotoEnd
+	element.stop( false, true );
+	ok( ourAnimation.stop.calledWith( true ), ".stop(true) calls .stop(true)" );
+	ok( queueSpy.calledAfter( ourAnimation.stop ),
+		"and the next queue function ran after we were told" );
+} );
+
+test( "Animation.tweener( fn ) - unshifts a * tweener", function() {
+	expect( 2 );
+	var starTweeners = jQuery.Animation.tweeners[ "*" ];
+
+	jQuery.Animation.tweener( jQuery.noop );
+	equal( starTweeners.length, 2 );
+	deepEqual( starTweeners, [ jQuery.noop, defaultTweener ] );
+} );
+
+test( "Animation.tweener( 'prop', fn ) - unshifts a 'prop' tweener", function() {
+	expect( 4 );
+	var tweeners = jQuery.Animation.tweeners,
+		fn = function() {};
+
+	jQuery.Animation.tweener( "prop", jQuery.noop );
+	equal( tweeners.prop.length, 1 );
+	deepEqual( tweeners.prop, [ jQuery.noop ] );
+
+	jQuery.Animation.tweener( "prop", fn );
+	equal( tweeners.prop.length, 2 );
+	deepEqual( tweeners.prop, [ fn, jQuery.noop ] );
+} );
+
+test( "Animation.tweener( 'list of props', fn ) - unshifts a tweener to each prop", function() {
+	expect( 2 );
+	var tweeners = jQuery.Animation.tweeners,
+		fn = function() {};
+
+	jQuery.Animation.tweener( "list of props", jQuery.noop );
+	deepEqual( tweeners, {
+		list: [ jQuery.noop ],
+		of: [ jQuery.noop ],
+		props: [ jQuery.noop ],
+		"*": [ defaultTweener ]
+	} );
+
+	// Test with extra whitespaces
+	jQuery.Animation.tweener( " list\t of \tprops\n*", fn );
+	deepEqual( tweeners, {
+		list: [ fn, jQuery.noop ],
+		of: [ fn, jQuery.noop ],
+		props: [ fn, jQuery.noop ],
+		"*": [ fn, defaultTweener ]
+	} );
+} );
+
+} )();