mirror of
https://github.com/jellyfin/jellyfin-web.git
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448 lines
13 KiB
JavaScript
448 lines
13 KiB
JavaScript
QUnit.module( "deferred", {
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teardown: moduleTeardown
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} );
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jQuery.each( [ "", " - new operator" ], function( _, withNew ) {
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function createDeferred( fn ) {
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return withNew ? new jQuery.Deferred( fn ) : jQuery.Deferred( fn );
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}
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QUnit.test( "jQuery.Deferred" + withNew, function( assert ) {
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assert.expect( 23 );
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var defer = createDeferred();
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assert.strictEqual( defer.pipe, defer.then, "pipe is an alias of then" );
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createDeferred().resolve().done( function() {
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assert.ok( true, "Success on resolve" );
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assert.strictEqual( this.state(), "resolved", "Deferred is resolved (state)" );
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} ).fail( function() {
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assert.ok( false, "Error on resolve" );
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} ).always( function() {
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assert.ok( true, "Always callback on resolve" );
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} );
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createDeferred().reject().done( function() {
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assert.ok( false, "Success on reject" );
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} ).fail( function() {
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assert.ok( true, "Error on reject" );
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assert.strictEqual( this.state(), "rejected", "Deferred is rejected (state)" );
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} ).always( function() {
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assert.ok( true, "Always callback on reject" );
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} );
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createDeferred( function( defer ) {
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assert.ok( this === defer, "Defer passed as this & first argument" );
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this.resolve( "done" );
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} ).done( function( value ) {
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assert.strictEqual( value, "done", "Passed function executed" );
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} );
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createDeferred( function( defer ) {
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var promise = defer.promise(),
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func = function() {},
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funcPromise = defer.promise( func );
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assert.strictEqual( defer.promise(), promise, "promise is always the same" );
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assert.strictEqual( funcPromise, func, "non objects get extended" );
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jQuery.each( promise, function( key ) {
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if ( !jQuery.isFunction( promise[ key ] ) ) {
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assert.ok( false, key + " is a function (" + jQuery.type( promise[ key ] ) + ")" );
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}
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if ( promise[ key ] !== func[ key ] ) {
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assert.strictEqual( func[ key ], promise[ key ], key + " is the same" );
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}
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} );
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} );
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jQuery.expandedEach = jQuery.each;
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jQuery.expandedEach( "resolve reject".split( " " ), function( _, change ) {
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createDeferred( function( defer ) {
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assert.strictEqual( defer.state(), "pending", "pending after creation" );
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var checked = 0;
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defer.progress( function( value ) {
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assert.strictEqual( value, checked, "Progress: right value (" + value + ") received" );
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} );
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for ( checked = 0; checked < 3; checked++ ) {
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defer.notify( checked );
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}
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assert.strictEqual( defer.state(), "pending", "pending after notification" );
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defer[ change ]();
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assert.notStrictEqual( defer.state(), "pending", "not pending after " + change );
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defer.notify();
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} );
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} );
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} );
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} );
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QUnit.test( "jQuery.Deferred - chainability", function( assert ) {
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var defer = jQuery.Deferred();
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assert.expect( 10 );
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jQuery.expandedEach = jQuery.each;
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jQuery.expandedEach( "resolve reject notify resolveWith rejectWith notifyWith done fail progress always".split( " " ), function( _, method ) {
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var object = {
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m: defer[ method ]
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};
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assert.strictEqual( object.m(), object, method + " is chainable" );
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} );
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} );
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QUnit.test( "jQuery.Deferred.then - filtering (done)", function( assert ) {
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assert.expect( 4 );
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var value1, value2, value3,
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defer = jQuery.Deferred(),
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piped = defer.then( function( a, b ) {
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return a * b;
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} );
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piped.done( function( result ) {
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value3 = result;
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} );
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defer.done( function( a, b ) {
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value1 = a;
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value2 = b;
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} );
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defer.resolve( 2, 3 );
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assert.strictEqual( value1, 2, "first resolve value ok" );
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assert.strictEqual( value2, 3, "second resolve value ok" );
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assert.strictEqual( value3, 6, "result of filter ok" );
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jQuery.Deferred().reject().then( function() {
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assert.ok( false, "then should not be called on reject" );
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} );
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jQuery.Deferred().resolve().then( jQuery.noop ).done( function( value ) {
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assert.strictEqual( value, undefined, "then done callback can return undefined/null" );
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} );
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} );
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QUnit.test( "jQuery.Deferred.then - filtering (fail)", function( assert ) {
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assert.expect( 4 );
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var value1, value2, value3,
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defer = jQuery.Deferred(),
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piped = defer.then( null, function( a, b ) {
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return a * b;
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} );
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piped.fail( function( result ) {
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value3 = result;
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} );
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defer.fail( function( a, b ) {
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value1 = a;
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value2 = b;
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} );
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defer.reject( 2, 3 );
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assert.strictEqual( value1, 2, "first reject value ok" );
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assert.strictEqual( value2, 3, "second reject value ok" );
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assert.strictEqual( value3, 6, "result of filter ok" );
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jQuery.Deferred().resolve().then( null, function() {
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assert.ok( false, "then should not be called on resolve" );
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} );
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jQuery.Deferred().reject().then( null, jQuery.noop ).fail( function( value ) {
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assert.strictEqual( value, undefined, "then fail callback can return undefined/null" );
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} );
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} );
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QUnit.test( "jQuery.Deferred.then - filtering (progress)", function( assert ) {
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assert.expect( 3 );
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var value1, value2, value3,
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defer = jQuery.Deferred(),
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piped = defer.then( null, null, function( a, b ) {
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return a * b;
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} );
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piped.progress( function( result ) {
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value3 = result;
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} );
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defer.progress( function( a, b ) {
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value1 = a;
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value2 = b;
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} );
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defer.notify( 2, 3 );
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assert.strictEqual( value1, 2, "first progress value ok" );
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assert.strictEqual( value2, 3, "second progress value ok" );
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assert.strictEqual( value3, 6, "result of filter ok" );
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} );
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QUnit.test( "jQuery.Deferred.then - deferred (done)", function( assert ) {
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assert.expect( 3 );
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var value1, value2, value3,
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defer = jQuery.Deferred(),
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piped = defer.then( function( a, b ) {
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return jQuery.Deferred( function( defer ) {
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defer.reject( a * b );
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} );
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} );
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piped.fail( function( result ) {
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value3 = result;
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} );
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defer.done( function( a, b ) {
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value1 = a;
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value2 = b;
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} );
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defer.resolve( 2, 3 );
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assert.strictEqual( value1, 2, "first resolve value ok" );
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assert.strictEqual( value2, 3, "second resolve value ok" );
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assert.strictEqual( value3, 6, "result of filter ok" );
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} );
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QUnit.test( "jQuery.Deferred.then - deferred (fail)", function( assert ) {
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assert.expect( 3 );
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var value1, value2, value3,
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defer = jQuery.Deferred(),
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piped = defer.then( null, function( a, b ) {
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return jQuery.Deferred( function( defer ) {
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defer.resolve( a * b );
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} );
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} );
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piped.done( function( result ) {
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value3 = result;
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} );
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defer.fail( function( a, b ) {
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value1 = a;
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value2 = b;
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} );
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defer.reject( 2, 3 );
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assert.strictEqual( value1, 2, "first reject value ok" );
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assert.strictEqual( value2, 3, "second reject value ok" );
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assert.strictEqual( value3, 6, "result of filter ok" );
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} );
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QUnit.test( "jQuery.Deferred.then - deferred (progress)", function( assert ) {
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assert.expect( 3 );
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var value1, value2, value3,
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defer = jQuery.Deferred(),
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piped = defer.then( null, null, function( a, b ) {
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return jQuery.Deferred( function( defer ) {
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defer.resolve( a * b );
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} );
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} );
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piped.done( function( result ) {
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value3 = result;
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} );
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defer.progress( function( a, b ) {
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value1 = a;
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value2 = b;
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} );
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defer.notify( 2, 3 );
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assert.strictEqual( value1, 2, "first progress value ok" );
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assert.strictEqual( value2, 3, "second progress value ok" );
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assert.strictEqual( value3, 6, "result of filter ok" );
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} );
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QUnit.test( "jQuery.Deferred.then - context", function( assert ) {
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assert.expect( 7 );
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var defer, piped, defer2, piped2,
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context = {};
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jQuery.Deferred().resolveWith( context, [ 2 ] ).then( function( value ) {
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return value * 3;
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} ).done( function( value ) {
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assert.strictEqual( this, context, "custom context correctly propagated" );
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assert.strictEqual( value, 6, "proper value received" );
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} );
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jQuery.Deferred().resolve().then( function() {
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return jQuery.Deferred().resolveWith( context );
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} ).done( function() {
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assert.strictEqual( this, context, "custom context of returned deferred correctly propagated" );
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} );
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defer = jQuery.Deferred();
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piped = defer.then( function( value ) {
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return value * 3;
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} );
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defer.resolve( 2 );
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piped.done( function( value ) {
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assert.strictEqual( this, piped, "default context gets updated to latest promise in the chain" );
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assert.strictEqual( value, 6, "proper value received" );
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} );
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defer2 = jQuery.Deferred();
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piped2 = defer2.then();
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defer2.resolve( 2 );
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piped2.done( function( value ) {
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assert.strictEqual( this, piped2, "default context gets updated to latest promise in the chain (without passing function)" );
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assert.strictEqual( value, 2, "proper value received (without passing function)" );
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} );
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} );
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QUnit.test( "jQuery.when", function( assert ) {
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assert.expect( 37 );
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jQuery.each( {
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"an empty string": "",
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"a non-empty string": "some string",
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"zero": 0,
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"a number other than zero": 1,
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"true": true,
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"false": false,
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"null": null,
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"undefined": undefined,
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"a plain object": {},
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"an array": [ 1, 2, 3 ]
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}, function( message, value ) {
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assert.ok(
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jQuery.isFunction(
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jQuery.when( value ).done( function( resolveValue ) {
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assert.strictEqual( this, window, "Context is the global object with " + message );
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assert.strictEqual( resolveValue, value, "Test the promise was resolved with " + message );
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} ).promise
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),
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"Test " + message + " triggers the creation of a new Promise"
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);
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} );
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assert.ok(
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jQuery.isFunction(
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jQuery.when().done( function( resolveValue ) {
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assert.strictEqual( this, window, "Test the promise was resolved with window as its context" );
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assert.strictEqual( resolveValue, undefined, "Test the promise was resolved with no parameter" );
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} ).promise
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),
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"Test calling when with no parameter triggers the creation of a new Promise"
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);
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var cache,
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context = {};
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jQuery.when( jQuery.Deferred().resolveWith( context ) ).done( function() {
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assert.strictEqual( this, context, "when( promise ) propagates context" );
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} );
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jQuery.each( [ 1, 2, 3 ], function( k, i ) {
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jQuery.when( cache || jQuery.Deferred( function() {
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this.resolve( i );
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} )
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).done( function( value ) {
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assert.strictEqual( value, 1, "Function executed" + ( i > 1 ? " only once" : "" ) );
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cache = value;
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} );
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} );
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} );
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QUnit.test( "jQuery.when - joined", function( assert ) {
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assert.expect( 119 );
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var deferreds = {
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value: 1,
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success: jQuery.Deferred().resolve( 1 ),
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error: jQuery.Deferred().reject( 0 ),
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futureSuccess: jQuery.Deferred().notify( true ),
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futureError: jQuery.Deferred().notify( true ),
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notify: jQuery.Deferred().notify( true )
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},
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willSucceed = {
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value: true,
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success: true,
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futureSuccess: true
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},
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willError = {
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error: true,
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futureError: true
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},
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willNotify = {
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futureSuccess: true,
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futureError: true,
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notify: true
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};
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jQuery.each( deferreds, function( id1, defer1 ) {
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jQuery.each( deferreds, function( id2, defer2 ) {
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var shouldResolve = willSucceed[ id1 ] && willSucceed[ id2 ],
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shouldError = willError[ id1 ] || willError[ id2 ],
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shouldNotify = willNotify[ id1 ] || willNotify[ id2 ],
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expected = shouldResolve ? [ 1, 1 ] : [ 0, undefined ],
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expectedNotify = shouldNotify && [ willNotify[ id1 ], willNotify[ id2 ] ],
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code = id1 + "/" + id2,
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context1 = defer1 && jQuery.isFunction( defer1.promise ) ? defer1.promise() : undefined,
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context2 = defer2 && jQuery.isFunction( defer2.promise ) ? defer2.promise() : undefined;
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jQuery.when( defer1, defer2 ).done( function( a, b ) {
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if ( shouldResolve ) {
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assert.deepEqual( [ a, b ], expected, code + " => resolve" );
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assert.strictEqual( this[ 0 ], context1, code + " => first context OK" );
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assert.strictEqual( this[ 1 ], context2, code + " => second context OK" );
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} else {
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assert.ok( false, code + " => resolve" );
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}
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} ).fail( function( a, b ) {
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if ( shouldError ) {
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assert.deepEqual( [ a, b ], expected, code + " => reject" );
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} else {
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assert.ok( false, code + " => reject" );
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}
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} ).progress( function( a, b ) {
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assert.deepEqual( [ a, b ], expectedNotify, code + " => progress" );
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assert.strictEqual( this[ 0 ], expectedNotify[ 0 ] ? context1 : undefined, code + " => first context OK" );
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assert.strictEqual( this[ 1 ], expectedNotify[ 1 ] ? context2 : undefined, code + " => second context OK" );
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} );
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} );
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} );
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deferreds.futureSuccess.resolve( 1 );
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deferreds.futureError.reject( 0 );
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} );
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QUnit.test( "jQuery.when - resolved", function( assert ) {
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assert.expect( 6 );
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var a = jQuery.Deferred().notify( 1 ).resolve( 4 ),
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b = jQuery.Deferred().notify( 2 ).resolve( 5 ),
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c = jQuery.Deferred().notify( 3 ).resolve( 6 );
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jQuery.when( a, b, c ).progress( function( a, b, c ) {
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assert.strictEqual( a, 1, "first notify value ok" );
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assert.strictEqual( b, 2, "second notify value ok" );
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assert.strictEqual( c, 3, "third notify value ok" );
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} ).done( function( a, b, c ) {
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assert.strictEqual( a, 4, "first resolve value ok" );
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assert.strictEqual( b, 5, "second resolve value ok" );
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assert.strictEqual( c, 6, "third resolve value ok" );
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} ).fail( function() {
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assert.ok( false, "Error on resolve" );
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} );
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} );
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