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deferred.js
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1051 lines (867 loc) · 30.6 KB
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QUnit.module( "deferred", {
teardown: moduleTeardown
} );
jQuery.each( [ "", " - new operator" ], function( _, withNew ) {
function createDeferred( fn ) {
return withNew ? new jQuery.Deferred( fn ) : jQuery.Deferred( fn );
}
QUnit.test( "jQuery.Deferred" + withNew, function( assert ) {
assert.expect( 23 );
var defer = createDeferred();
assert.ok( jQuery.isFunction( defer.pipe ), "defer.pipe is a function" );
defer.resolve().done( function() {
assert.ok( true, "Success on resolve" );
assert.strictEqual( defer.state(), "resolved", "Deferred is resolved (state)" );
} ).fail( function() {
assert.ok( false, "Error on resolve" );
} ).always( function() {
assert.ok( true, "Always callback on resolve" );
} );
defer = createDeferred();
defer.reject().done( function() {
assert.ok( false, "Success on reject" );
} ).fail( function() {
assert.ok( true, "Error on reject" );
assert.strictEqual( defer.state(), "rejected", "Deferred is rejected (state)" );
} ).always( function() {
assert.ok( true, "Always callback on reject" );
} );
createDeferred( function( defer ) {
assert.ok( this === defer, "Defer passed as this & first argument" );
this.resolve( "done" );
} ).done( function( value ) {
assert.strictEqual( value, "done", "Passed function executed" );
} );
createDeferred( function( defer ) {
var promise = defer.promise(),
func = function() {},
funcPromise = defer.promise( func );
assert.strictEqual( defer.promise(), promise, "promise is always the same" );
assert.strictEqual( funcPromise, func, "non objects get extended" );
jQuery.each( promise, function( key ) {
if ( !jQuery.isFunction( promise[ key ] ) ) {
assert.ok( false, key + " is a function (" + jQuery.type( promise[ key ] ) + ")" );
}
if ( promise[ key ] !== func[ key ] ) {
assert.strictEqual( func[ key ], promise[ key ], key + " is the same" );
}
} );
} );
jQuery.expandedEach = jQuery.each;
jQuery.expandedEach( "resolve reject".split( " " ), function( _, change ) {
createDeferred( function( defer ) {
assert.strictEqual( defer.state(), "pending", "pending after creation" );
var checked = 0;
defer.progress( function( value ) {
assert.strictEqual( value, checked, "Progress: right value (" + value + ") received" );
} );
for ( checked = 0; checked < 3; checked++ ) {
defer.notify( checked );
}
assert.strictEqual( defer.state(), "pending", "pending after notification" );
defer[ change ]();
assert.notStrictEqual( defer.state(), "pending", "not pending after " + change );
defer.notify();
} );
} );
} );
} );
QUnit.test( "jQuery.Deferred - chainability", function( assert ) {
var defer = jQuery.Deferred();
assert.expect( 10 );
jQuery.expandedEach = jQuery.each;
jQuery.expandedEach( "resolve reject notify resolveWith rejectWith notifyWith done fail progress always".split( " " ), function( _, method ) {
var object = {
m: defer[ method ]
};
assert.strictEqual( object.m(), object, method + " is chainable" );
} );
} );
QUnit.test( "jQuery.Deferred.then - filtering (done)", function( assert ) {
assert.expect( 4 );
var value1, value2, value3,
defer = jQuery.Deferred(),
piped = defer.then( function( a, b ) {
return a * b;
} ),
done = jQuery.map( new Array( 3 ), function() { return assert.async(); } );
piped.done( function( result ) {
value3 = result;
} );
defer.done( function( a, b ) {
value1 = a;
value2 = b;
} );
defer.resolve( 2, 3 ).then( function() {
assert.strictEqual( value1, 2, "first resolve value ok" );
assert.strictEqual( value2, 3, "second resolve value ok" );
assert.strictEqual( value3, 6, "result of filter ok" );
done.pop().call();
} );
jQuery.Deferred().reject().then( function() {
assert.ok( false, "then should not be called on reject" );
} ).then( null, done.pop() );
jQuery.Deferred().resolve().then( jQuery.noop ).done( function( value ) {
assert.strictEqual( value, undefined, "then done callback can return undefined/null" );
done.pop().call();
} );
} );
QUnit.test( "jQuery.Deferred.then - filtering (fail)", function( assert ) {
assert.expect( 4 );
var value1, value2, value3,
defer = jQuery.Deferred(),
piped = defer.then( null, function( a, b ) {
return a * b;
} ),
done = jQuery.map( new Array( 3 ), function() { return assert.async(); } );
piped.done( function( result ) {
value3 = result;
} );
defer.fail( function( a, b ) {
value1 = a;
value2 = b;
} );
defer.reject( 2, 3 ).then( null, function() {
assert.strictEqual( value1, 2, "first reject value ok" );
assert.strictEqual( value2, 3, "second reject value ok" );
assert.strictEqual( value3, 6, "result of filter ok" );
done.pop().call();
} );
jQuery.Deferred().resolve().then( null, function() {
assert.ok( false, "then should not be called on resolve" );
} ).then( done.pop() );
jQuery.Deferred().reject().then( null, jQuery.noop ).done( function( value ) {
assert.strictEqual( value, undefined, "then fail callback can return undefined/null" );
done.pop().call();
} );
} );
QUnit.test( "jQuery.Deferred.catch", function( assert ) {
assert.expect( 4 );
var value1, value2, value3,
defer = jQuery.Deferred(),
piped = defer[ "catch" ]( function( a, b ) {
return a * b;
} ),
done = jQuery.map( new Array( 3 ), function() { return assert.async(); } );
piped.done( function( result ) {
value3 = result;
} );
defer.fail( function( a, b ) {
value1 = a;
value2 = b;
} );
defer.reject( 2, 3 )[ "catch" ]( function() {
assert.strictEqual( value1, 2, "first reject value ok" );
assert.strictEqual( value2, 3, "second reject value ok" );
assert.strictEqual( value3, 6, "result of filter ok" );
done.pop().call();
} );
jQuery.Deferred().resolve()[ "catch" ]( function() {
assert.ok( false, "then should not be called on resolve" );
} ).then( done.pop() );
jQuery.Deferred().reject()[ "catch" ]( jQuery.noop ).done( function( value ) {
assert.strictEqual( value, undefined, "then fail callback can return undefined/null" );
done.pop().call();
} );
} );
QUnit.test( "[PIPE ONLY] jQuery.Deferred.pipe - filtering (fail)", function( assert ) {
assert.expect( 4 );
var value1, value2, value3,
defer = jQuery.Deferred(),
piped = defer.pipe( null, function( a, b ) {
return a * b;
} ),
done = jQuery.map( new Array( 3 ), function() { return assert.async(); } );
piped.fail( function( result ) {
value3 = result;
} );
defer.fail( function( a, b ) {
value1 = a;
value2 = b;
} );
defer.reject( 2, 3 ).pipe( null, function() {
assert.strictEqual( value1, 2, "first reject value ok" );
assert.strictEqual( value2, 3, "second reject value ok" );
assert.strictEqual( value3, 6, "result of filter ok" );
done.pop().call();
} );
jQuery.Deferred().resolve().pipe( null, function() {
assert.ok( false, "then should not be called on resolve" );
} ).then( done.pop() );
jQuery.Deferred().reject().pipe( null, jQuery.noop ).fail( function( value ) {
assert.strictEqual( value, undefined, "then fail callback can return undefined/null" );
done.pop().call();
} );
} );
QUnit.test( "jQuery.Deferred.then - filtering (progress)", function( assert ) {
assert.expect( 3 );
var value1, value2, value3,
defer = jQuery.Deferred(),
piped = defer.then( null, null, function( a, b ) {
return a * b;
} ),
done = assert.async();
piped.progress( function( result ) {
value3 = result;
} );
defer.progress( function( a, b ) {
value1 = a;
value2 = b;
} );
defer.notify( 2, 3 ).then( null, null, function() {
assert.strictEqual( value1, 2, "first progress value ok" );
assert.strictEqual( value2, 3, "second progress value ok" );
assert.strictEqual( value3, 6, "result of filter ok" );
done();
} );
} );
QUnit.test( "jQuery.Deferred.then - deferred (done)", function( assert ) {
assert.expect( 3 );
var value1, value2, value3,
defer = jQuery.Deferred(),
piped = defer.then( function( a, b ) {
return jQuery.Deferred( function( defer ) {
defer.reject( a * b );
} );
} ),
done = assert.async();
piped.fail( function( result ) {
value3 = result;
} );
defer.done( function( a, b ) {
value1 = a;
value2 = b;
} );
defer.resolve( 2, 3 );
piped.fail( function() {
assert.strictEqual( value1, 2, "first resolve value ok" );
assert.strictEqual( value2, 3, "second resolve value ok" );
assert.strictEqual( value3, 6, "result of filter ok" );
done();
} );
} );
QUnit.test( "jQuery.Deferred.then - deferred (fail)", function( assert ) {
assert.expect( 3 );
var value1, value2, value3,
defer = jQuery.Deferred(),
piped = defer.then( null, function( a, b ) {
return jQuery.Deferred( function( defer ) {
defer.resolve( a * b );
} );
} ),
done = assert.async();
piped.done( function( result ) {
value3 = result;
} );
defer.fail( function( a, b ) {
value1 = a;
value2 = b;
} );
defer.reject( 2, 3 );
piped.done( function() {
assert.strictEqual( value1, 2, "first reject value ok" );
assert.strictEqual( value2, 3, "second reject value ok" );
assert.strictEqual( value3, 6, "result of filter ok" );
done();
} );
} );
QUnit.test( "jQuery.Deferred.then - deferred (progress)", function( assert ) {
assert.expect( 3 );
var value1, value2, value3,
defer = jQuery.Deferred(),
piped = defer.then( null, null, function( a, b ) {
return jQuery.Deferred( function( defer ) {
defer.resolve( a * b );
} );
} ),
done = assert.async();
piped.progress( function( result ) {
return jQuery.Deferred().resolve().then( function() {
return result;
} ).then( function( result ) {
value3 = result;
} );
} );
defer.progress( function( a, b ) {
value1 = a;
value2 = b;
} );
defer.notify( 2, 3 );
piped.then( null, null, function( result ) {
return jQuery.Deferred().resolve().then( function() {
return result;
} ).then( function() {
assert.strictEqual( value1, 2, "first progress value ok" );
assert.strictEqual( value2, 3, "second progress value ok" );
assert.strictEqual( value3, 6, "result of filter ok" );
done();
} );
} );
} );
QUnit.test( "[PIPE ONLY] jQuery.Deferred.pipe - deferred (progress)", function( assert ) {
assert.expect( 3 );
var value1, value2, value3,
defer = jQuery.Deferred(),
piped = defer.pipe( null, null, function( a, b ) {
return jQuery.Deferred( function( defer ) {
defer.resolve( a * b );
} );
} ),
done = assert.async();
piped.done( function( result ) {
value3 = result;
} );
defer.progress( function( a, b ) {
value1 = a;
value2 = b;
} );
defer.notify( 2, 3 );
piped.done( function() {
assert.strictEqual( value1, 2, "first progress value ok" );
assert.strictEqual( value2, 3, "second progress value ok" );
assert.strictEqual( value3, 6, "result of filter ok" );
done();
} );
} );
QUnit.test( "jQuery.Deferred.then - context", function( assert ) {
assert.expect( 11 );
var defer, piped, defer2, piped2,
context = { custom: true },
done = jQuery.map( new Array( 5 ), function() { return assert.async(); } );
jQuery.Deferred().resolveWith( context, [ 2 ] ).then( function( value ) {
assert.strictEqual( this, context, "custom context received by .then handler" );
return value * 3;
} ).done( function( value ) {
assert.notStrictEqual( this, context,
"custom context not propagated through .then handler" );
assert.strictEqual( value, 6, "proper value received" );
done.pop().call();
} );
jQuery.Deferred().resolveWith( context, [ 2 ] ).then().done( function( value ) {
assert.strictEqual( this, context,
"custom context propagated through .then without handler" );
assert.strictEqual( value, 2, "proper value received" );
done.pop().call();
} );
jQuery.Deferred().resolve().then( function() {
assert.strictEqual( this, window, "default context in .then handler" );
return jQuery.Deferred().resolveWith( context );
} ).done( function() {
assert.strictEqual( this, context,
"custom context of returned deferred correctly propagated" );
done.pop().call();
} );
defer = jQuery.Deferred();
piped = defer.then( function( value ) {
return value * 3;
} );
defer.resolve( 2 );
piped.done( function( value ) {
assert.strictEqual( this, window, ".then handler does not introduce context" );
assert.strictEqual( value, 6, "proper value received" );
done.pop().call();
} );
defer2 = jQuery.Deferred();
piped2 = defer2.then();
defer2.resolve( 2 );
piped2.done( function( value ) {
assert.strictEqual( this, window, ".then without handler does not introduce context" );
assert.strictEqual( value, 2, "proper value received (without passing function)" );
done.pop().call();
} );
} );
QUnit.test( "[PIPE ONLY] jQuery.Deferred.pipe - context", function( assert ) {
assert.expect( 11 );
var defer, piped, defer2, piped2,
context = { custom: true },
done = jQuery.map( new Array( 5 ), function() { return assert.async(); } );
jQuery.Deferred().resolveWith( context, [ 2 ] ).pipe( function( value ) {
assert.strictEqual( this, context, "custom context received by .pipe handler" );
return value * 3;
} ).done( function( value ) {
assert.strictEqual( this, context,
"[PIPE ONLY] custom context propagated through .pipe handler" );
assert.strictEqual( value, 6, "proper value received" );
done.pop().call();
} );
jQuery.Deferred().resolveWith( context, [ 2 ] ).pipe().done( function( value ) {
assert.strictEqual( this, context,
"[PIPE ONLY] custom context propagated through .pipe without handler" );
assert.strictEqual( value, 2, "proper value received" );
done.pop().call();
} );
jQuery.Deferred().resolve().pipe( function() {
assert.strictEqual( this, window, "default context in .pipe handler" );
return jQuery.Deferred().resolveWith( context );
} ).done( function() {
assert.strictEqual( this, context,
"custom context of returned deferred correctly propagated" );
done.pop().call();
} );
defer = jQuery.Deferred();
piped = defer.pipe( function( value ) {
return value * 3;
} );
defer.resolve( 2 );
piped.done( function( value ) {
assert.strictEqual( this, window, ".pipe handler does not introduce context" );
assert.strictEqual( value, 6, "proper value received" );
done.pop().call();
} );
defer2 = jQuery.Deferred();
piped2 = defer2.pipe();
defer2.resolve( 2 );
piped2.done( function( value ) {
assert.strictEqual( this, window, ".pipe without handler does not introduce context" );
assert.strictEqual( value, 2, "proper value received (without passing function)" );
done.pop().call();
} );
} );
QUnit.test( "jQuery.Deferred.then - spec compatibility", function( assert ) {
assert.expect( 1 );
var done = assert.async();
var defer = jQuery.Deferred().done( function() {
setTimeout( done );
throw new Error();
} );
defer.then( function() {
assert.ok( true, "errors in .done callbacks don't stop .then handlers" );
} );
try {
defer.resolve();
} catch ( _ ) {}
} );
QUnit[ window.console ? "test" : "skip" ]( "jQuery.Deferred.exceptionHook", function( assert ) {
assert.expect( 1 );
var done = assert.async(),
defer = jQuery.Deferred(),
oldWarn = window.console.warn;
window.console.warn = function( msg ) {
// Support: Chrome <=41 only
// Some Chrome versions newer than 30 but older than 42 display the "undefined is
// not a function" error, not mentioning the function name. This has been fixed
// in Chrome 42. Relax this test there.
// This affects our Android 5.0 & Yandex.Browser testing.
var oldChromium = false;
if ( /chrome/i.test( navigator.userAgent ) ) {
oldChromium = parseInt(
navigator.userAgent.match( /chrome\/(\d+)/i )[ 1 ], 10 ) < 42;
}
if ( oldChromium ) {
assert.ok( /(?:barf|undefined)/.test( msg ), "Message: " + msg );
} else {
assert.ok( /barf/.test( msg ), "Message: " + msg );
}
};
jQuery.when(
defer.then( function() {
// Should get an error
jQuery.barf();
} ).then( null, jQuery.noop ),
defer.then( function() {
// Should NOT get an error
throw new Error( "Make me a sandwich" );
} ).then( null, jQuery.noop )
).then( function( ) {
window.console.warn = oldWarn;
done();
} );
defer.resolve();
} );
QUnit[ window.console ? "test" : "skip" ]( "jQuery.Deferred.exceptionHook with stack hooks", function( assert ) {
assert.expect( 2 );
var done = assert.async(),
defer = jQuery.Deferred(),
oldWarn = window.console.warn;
jQuery.Deferred.getStackHook = function() {
// Default exceptionHook assumes the stack is in a form console.warn can log,
// but a custom getStackHook+exceptionHook pair could save a raw form and
// format it to a string only when an exception actually occurs.
// For the unit test we just ensure the plumbing works.
return "NO STACK FOR YOU";
};
window.console.warn = function( msg, stack ) {
// Support: Chrome <=41 only
// Some Chrome versions newer than 30 but older than 42 display the "undefined is
// not a function" error, not mentioning the function name. This has been fixed
// in Chrome 42. Relax this test there.
// This affects our Android 5.0 & Yandex.Browser testing.
var oldChromium = false;
if ( /chrome/i.test( navigator.userAgent ) ) {
oldChromium = parseInt(
navigator.userAgent.match( /chrome\/(\d+)/i )[ 1 ], 10 ) < 42;
}
if ( oldChromium ) {
assert.ok( /(?:cough_up_hairball|undefined)/.test( msg ), "Function mentioned: " + msg );
} else {
assert.ok( /cough_up_hairball/.test( msg ), "Function mentioned: " + msg );
}
assert.ok( /NO STACK FOR YOU/.test( stack ), "Stack trace included: " + stack );
};
defer.then( function() {
jQuery.cough_up_hairball();
} ).then( null, function( ) {
window.console.warn = oldWarn;
delete jQuery.Deferred.getStackHook;
done();
} );
defer.resolve();
} );
QUnit.test( "jQuery.Deferred - 1.x/2.x compatibility", function( assert ) {
assert.expect( 8 );
var context = { id: "callback context" },
thenable = jQuery.Deferred().resolve( "thenable fulfillment" ).promise(),
done = jQuery.map( new Array( 8 ), function() { return assert.async(); } );
thenable.unwrapped = false;
jQuery.Deferred().resolve( 1, 2 ).then( function() {
assert.deepEqual( [].slice.call( arguments ), [ 1, 2 ],
".then fulfillment callbacks receive all resolution values" );
done.pop().call();
} );
jQuery.Deferred().reject( 1, 2 ).then( null, function() {
assert.deepEqual( [].slice.call( arguments ), [ 1, 2 ],
".then rejection callbacks receive all rejection values" );
done.pop().call();
} );
jQuery.Deferred().notify( 1, 2 ).then( null, null, function() {
assert.deepEqual( [].slice.call( arguments ), [ 1, 2 ],
".then progress callbacks receive all progress values" );
done.pop().call();
} );
jQuery.Deferred().resolveWith( context ).then( function() {
assert.deepEqual( this, context, ".then fulfillment callbacks receive context" );
done.pop().call();
} );
jQuery.Deferred().rejectWith( context ).then( null, function() {
assert.deepEqual( this, context, ".then rejection callbacks receive context" );
done.pop().call();
} );
jQuery.Deferred().notifyWith( context ).then( null, null, function() {
assert.deepEqual( this, context, ".then progress callbacks receive context" );
done.pop().call();
} );
jQuery.Deferred().resolve( thenable ).done( function( value ) {
assert.strictEqual( value, thenable, ".done doesn't unwrap thenables" );
done.pop().call();
} );
jQuery.Deferred().notify( thenable ).then().then( null, null, function( value ) {
assert.strictEqual( value, "thenable fulfillment",
".then implicit progress callbacks unwrap thenables" );
done.pop().call();
} );
} );
QUnit.test( "jQuery.Deferred.then - progress and thenables", function( assert ) {
assert.expect( 2 );
var trigger = jQuery.Deferred().notify(),
expectedProgress = [ "baz", "baz" ],
done = jQuery.map( new Array( 2 ), function() { return assert.async(); } ),
failer = function( evt ) {
return function() {
assert.ok( false, "no unexpected " + evt );
};
};
trigger.then( null, null, function() {
var notifier = jQuery.Deferred().notify( "foo" );
setTimeout( function() {
notifier.notify( "bar" ).resolve( "baz" );
} );
return notifier;
} ).then( failer( "fulfill" ), failer( "reject" ), function( v ) {
assert.strictEqual( v, expectedProgress.shift(), "expected progress value" );
done.pop().call();
} );
trigger.notify();
} );
QUnit.test( "jQuery.Deferred - notify and resolve", function( assert ) {
assert.expect( 7 );
var notifiedResolved = jQuery.Deferred().notify( "foo" )/*xxx .resolve( "bar" )*/,
done = jQuery.map( new Array( 3 ), function() { return assert.async(); } );
notifiedResolved.progress( function( v ) {
assert.strictEqual( v, "foo", "progress value" );
} );
notifiedResolved.pipe().progress( function( v ) {
assert.strictEqual( v, "foo", "piped progress value" );
} );
notifiedResolved.pipe( null, null, function() {
return "baz";
} ).progress( function( v ) {
assert.strictEqual( v, "baz", "replaced piped progress value" );
} );
notifiedResolved.pipe( null, null, function() {
return jQuery.Deferred().notify( "baz" ).resolve( "quux" );
} ).progress( function( v ) {
assert.strictEqual( v, "baz", "deferred replaced piped progress value" );
} );
notifiedResolved.then().progress( function( v ) {
assert.strictEqual( v, "foo", "then'd progress value" );
done.pop().call();
} );
notifiedResolved.then( null, null, function() {
return "baz";
} ).progress( function( v ) {
assert.strictEqual( v, "baz", "replaced then'd progress value" );
done.pop().call();
} );
notifiedResolved.then( null, null, function() {
return jQuery.Deferred().notify( "baz" ).resolve( "quux" );
} ).progress( function( v ) {
// Progress from the surrogate deferred is ignored
assert.strictEqual( v, "quux", "deferred replaced then'd progress value" );
done.pop().call();
} );
} );
QUnit.test( "jQuery.when(nonThenable) - like Promise.resolve", function( assert ) {
"use strict";
assert.expect( 44 );
var
// Support: Android 4.0 only
// Strict mode functions invoked without .call/.apply get global-object context
defaultContext = (function getDefaultContext() { return this; }).call(),
done = assert.async( 20 );
jQuery.when()
.done( function( resolveValue ) {
assert.strictEqual( resolveValue, undefined, "Resolved .done with no arguments" );
assert.strictEqual( this, defaultContext, "Default .done context with no arguments" );
} )
.then( function( resolveValue ) {
assert.strictEqual( resolveValue, undefined, "Resolved .then with no arguments" );
assert.strictEqual( this, defaultContext, "Default .then context with no arguments" );
} );
jQuery.each( {
"an empty string": "",
"a non-empty string": "some string",
"zero": 0,
"a number other than zero": 1,
"true": true,
"false": false,
"null": null,
"undefined": undefined,
"a plain object": {},
"an array": [ 1, 2, 3 ]
}, function( message, value ) {
var code = "jQuery.when( " + message + " )",
onFulfilled = function( method ) {
var call = code + "." + method;
return function( resolveValue ) {
assert.strictEqual( resolveValue, value, call + " resolve" );
assert.strictEqual( this, defaultContext, call + " context" );
done();
};
},
onRejected = function( method ) {
var call = code + "." + method;
return function() {
assert.ok( false, call + " reject" );
done();
};
};
jQuery.when( value )
.done( onFulfilled( "done" ) )
.fail( onRejected( "done" ) )
.then( onFulfilled( "then" ), onRejected( "then" ) );
} );
} );
QUnit.test( "jQuery.when(thenable) - like Promise.resolve", function( assert ) {
"use strict";
assert.expect( 56 );
var slice = [].slice,
sentinel = { context: "explicit" },
eventuallyFulfilled = jQuery.Deferred().notify( true ),
eventuallyRejected = jQuery.Deferred().notify( true ),
inputs = {
promise: Promise.resolve( true ),
rejectedPromise: Promise.reject( false ),
deferred: jQuery.Deferred().resolve( true ),
eventuallyFulfilled: eventuallyFulfilled,
secondaryFulfilled: jQuery.Deferred().resolve( eventuallyFulfilled ),
multiDeferred: jQuery.Deferred().resolve( "foo", "bar" ),
deferredWith: jQuery.Deferred().resolveWith( sentinel, [ true ] ),
multiDeferredWith: jQuery.Deferred().resolveWith( sentinel, [ "foo", "bar" ] ),
rejectedDeferred: jQuery.Deferred().reject( false ),
eventuallyRejected: eventuallyRejected,
secondaryRejected: jQuery.Deferred().resolve( eventuallyRejected ),
multiRejectedDeferred: jQuery.Deferred().reject( "baz", "quux" ),
rejectedDeferredWith: jQuery.Deferred().rejectWith( sentinel, [ false ] ),
multiRejectedDeferredWith: jQuery.Deferred().rejectWith( sentinel, [ "baz", "quux" ] )
},
contexts = {
deferredWith: sentinel,
multiDeferredWith: sentinel,
rejectedDeferredWith: sentinel,
multiRejectedDeferredWith: sentinel
},
willSucceed = {
promise: [ true ],
deferred: [ true ],
eventuallyFulfilled: [ true ],
secondaryFulfilled: [ true ],
multiDeferred: [ "foo", "bar" ],
deferredWith: [ true ],
multiDeferredWith: [ "foo", "bar" ]
},
willError = {
rejectedPromise: [ false ],
rejectedDeferred: [ false ],
eventuallyRejected: [ false ],
secondaryRejected: [ false ],
multiRejectedDeferred: [ "baz", "quux" ],
rejectedDeferredWith: [ false ],
multiRejectedDeferredWith: [ "baz", "quux" ]
},
// Support: Android 4.0 only
// Strict mode functions invoked without .call/.apply get global-object context
defaultContext = (function getDefaultContext() { return this; }).call(),
done = assert.async( 28 );
jQuery.each( inputs, function( message, value ) {
var code = "jQuery.when( " + message + " )",
shouldResolve = willSucceed[ message ],
shouldError = willError[ message ],
context = contexts[ message ] || defaultContext,
onFulfilled = function( method ) {
var call = code + "." + method;
return function() {
if ( shouldResolve ) {
assert.deepEqual( slice.call( arguments ), shouldResolve,
call + " resolve" );
assert.strictEqual( this, context, call + " context" );
} else {
assert.ok( false, call + " resolve" );
}
done();
};
},
onRejected = function( method ) {
var call = code + "." + method;
return function() {
if ( shouldError ) {
assert.deepEqual( slice.call( arguments ), shouldError, call + " reject" );
assert.strictEqual( this, context, call + " context" );
} else {
assert.ok( false, call + " reject" );
}
done();
};
};
jQuery.when( value )
.done( onFulfilled( "done" ) )
.fail( onRejected( "done" ) )
.then( onFulfilled( "then" ), onRejected( "then" ) );
} );
setTimeout( function() {
eventuallyFulfilled.resolve( true );
eventuallyRejected.reject( false );
}, 50 );
} );
QUnit.test( "jQuery.when(a, b) - like Promise.all", function( assert ) {
"use strict";
assert.expect( 196 );
var slice = [].slice,
deferreds = {
rawValue: 1,
fulfilled: jQuery.Deferred().resolve( 1 ),
rejected: jQuery.Deferred().reject( 0 ),
eventuallyFulfilled: jQuery.Deferred().notify( true ),
eventuallyRejected: jQuery.Deferred().notify( true ),
fulfilledStandardPromise: Promise.resolve( 1 ),
rejectedStandardPromise: Promise.reject( 0 )
},
willSucceed = {
rawValue: true,
fulfilled: true,
eventuallyFulfilled: true,
fulfilledStandardPromise: true
},
willError = {
rejected: true,
eventuallyRejected: true,
rejectedStandardPromise: true
},
// Support: Android 4.0 only
// Strict mode functions invoked without .call/.apply get global-object context
defaultContext = (function getDefaultContext() { return this; }).call(),
done = assert.async( 98 );
jQuery.each( deferreds, function( id1, v1 ) {
jQuery.each( deferreds, function( id2, v2 ) {
var code = "jQuery.when( " + id1 + ", " + id2 + " )",
shouldResolve = willSucceed[ id1 ] && willSucceed[ id2 ],
shouldError = willError[ id1 ] || willError[ id2 ],
expected = shouldResolve ? [ 1, 1 ] : [ 0 ],
context = shouldResolve ? [ defaultContext, defaultContext ] : defaultContext,
onFulfilled = function( method ) {
var call = code + "." + method;
return function() {
if ( shouldResolve ) {
assert.deepEqual( slice.call( arguments ), expected,
call + " resolve" );
assert.deepEqual( this, context, code + " context" );
} else {
assert.ok( false, call + " resolve" );
}
done();
};
},
onRejected = function( method ) {
var call = code + "." + method;
return function() {
if ( shouldError ) {
assert.deepEqual( slice.call( arguments ), expected, call + " reject" );
assert.deepEqual( this, context, code + " context" );
} else {
assert.ok( false, call + " reject" );
}
done();
};
};
jQuery.when( v1, v2 )
.done( onFulfilled( "done" ) )
.fail( onRejected( "done" ) )
.then( onFulfilled( "then" ), onRejected( "then" ) );
} );
} );
setTimeout( function() {
deferreds.eventuallyFulfilled.resolve( 1 );
deferreds.eventuallyRejected.reject( 0 );
}, 50 );
} );