"./callbacks"
], function( jQuery, slice ) {
-function Identity( v ) {
- return v;
-}
-function Thrower( ex ) {
- throw ex;
-}
-
-jQuery.extend( {
+jQuery.extend({
Deferred: function( func ) {
var tuples = [
-
- // action, add listener, callbacks,
- // ... .then handlers, argument index, [final state]
- [ "notify", "progress", jQuery.Callbacks( "memory" ),
- jQuery.Callbacks( "memory" ), 2 ],
- [ "resolve", "done", jQuery.Callbacks( "once memory" ),
- jQuery.Callbacks( "once memory" ), 0, "resolved" ],
- [ "reject", "fail", jQuery.Callbacks( "once memory" ),
- jQuery.Callbacks( "once memory" ), 1, "rejected" ]
+ // action, add listener, listener list, final state
+ [ "resolve", "done", jQuery.Callbacks("once memory"), "resolved" ],
+ [ "reject", "fail", jQuery.Callbacks("once memory"), "rejected" ],
+ [ "notify", "progress", jQuery.Callbacks("memory") ]
],
state = "pending",
promise = {
deferred.done( arguments ).fail( arguments );
return this;
},
-
- // Keep pipe for back-compat
- pipe: function( /* fnDone, fnFail, fnProgress */ ) {
+ then: function( /* fnDone, fnFail, fnProgress */ ) {
var fns = arguments;
-
- return jQuery.Deferred( function( newDefer ) {
+ return jQuery.Deferred(function( newDefer ) {
jQuery.each( tuples, function( i, tuple ) {
-
- // Map tuples (progress, done, fail) to arguments (done, fail, progress)
- var fn = jQuery.isFunction( fns[ tuple[ 4 ] ] ) && fns[ tuple[ 4 ] ];
-
- // deferred.progress(function() { bind to newDefer or newDefer.notify })
- // deferred.done(function() { bind to newDefer or newDefer.resolve })
- // deferred.fail(function() { bind to newDefer or newDefer.reject })
- deferred[ tuple[ 1 ] ]( function() {
+ var fn = jQuery.isFunction( fns[ i ] ) && fns[ i ];
+ // deferred[ done | fail | progress ] for forwarding actions to newDefer
+ deferred[ tuple[1] ](function() {
var returned = fn && fn.apply( this, arguments );
if ( returned && jQuery.isFunction( returned.promise ) ) {
returned.promise()
fns = null;
} ).promise();
},
- then: function( onFulfilled, onRejected, onProgress ) {
- var maxDepth = 0;
- function resolve( depth, deferred, handler, special ) {
- return function() {
- var that = this === promise ? undefined : this,
- args = arguments,
- mightThrow = function() {
- var returned, then;
-
- // Support: Promises/A+ section 2.3.3.3.3
- // https://promisesaplus.com/#point-59
- // Ignore double-resolution attempts
- if ( depth < maxDepth ) {
- return;
- }
-
- returned = handler.apply( that, args );
-
- // Support: Promises/A+ section 2.3.1
- // https://promisesaplus.com/#point-48
- if ( returned === deferred.promise() ) {
- throw new TypeError( "Thenable self-resolution" );
- }
-
- // Support: Promises/A+ sections 2.3.3.1, 3.5
- // https://promisesaplus.com/#point-54
- // https://promisesaplus.com/#point-75
- // Retrieve `then` only once
- then = returned &&
-
- // Support: Promises/A+ section 2.3.4
- // https://promisesaplus.com/#point-64
- // Only check objects and functions for thenability
- ( typeof returned === "object" ||
- typeof returned === "function" ) &&
- returned.then;
-
- // Handle a returned thenable
- if ( jQuery.isFunction( then ) ) {
-
- // Special processors (notify) just wait for resolution
- if ( special ) {
- then.call(
- returned,
- resolve( maxDepth, deferred, Identity, special ),
- resolve( maxDepth, deferred, Thrower, special )
- );
-
- // Normal processors (resolve) also hook into progress
- } else {
-
- // ...and disregard older resolution values
- maxDepth++;
-
- then.call(
- returned,
- resolve( maxDepth, deferred, Identity, special ),
- resolve( maxDepth, deferred, Thrower, special ),
- resolve( maxDepth, deferred, Identity,
- deferred.notify )
- );
- }
-
- // Handle all other returned values
- } else {
-
- // Only substitue handlers pass on context
- // and multiple values (non-spec behavior)
- if ( handler !== Identity ) {
- that = undefined;
- args = [ returned ];
- }
-
- // Process the value(s)
- // Default process is resolve
- ( special || deferred.resolveWith )(
- that || deferred.promise(), args );
- }
- },
-
- // Only normal processors (resolve) catch and reject exceptions
- process = special ?
- mightThrow :
- function() {
- try {
- mightThrow();
- } catch ( e ) {
-
- // Support: Promises/A+ section 2.3.3.3.4.1
- // https://promisesaplus.com/#point-61
- // Ignore post-resolution exceptions
- if ( depth + 1 >= maxDepth ) {
-
- // Only substitue handlers pass on context
- // and multiple values (non-spec behavior)
- if ( handler !== Thrower ) {
- that = undefined;
- args = [ e ];
- }
-
- deferred.rejectWith( that || deferred.promise(),
- args );
- }
- }
- };
-
- // Support: Promises/A+ section 2.3.3.3.1
- // https://promisesaplus.com/#point-57
- // Re-resolve promises immediately to dodge false rejection from
- // subsequent errors
- if ( depth ) {
- process();
- } else {
- window.setTimeout( process );
- }
- };
- }
-
- return jQuery.Deferred( function( newDefer ) {
-
- // progress_handlers.add( ... )
- tuples[ 0 ][ 3 ].add(
- resolve(
- 0,
- newDefer,
- jQuery.isFunction( onProgress ) ?
- onProgress :
- Identity,
- newDefer.notifyWith
- )
- );
-
- // fulfilled_handlers.add( ... )
- tuples[ 1 ][ 3 ].add(
- resolve(
- 0,
- newDefer,
- jQuery.isFunction( onFulfilled ) ?
- onFulfilled :
- Identity
- )
- );
-
- // rejected_handlers.add( ... )
- tuples[ 2 ][ 3 ].add(
- resolve(
- 0,
- newDefer,
- jQuery.isFunction( onRejected ) ?
- onRejected :
- Thrower
- )
- );
- } ).promise();
- },
-
// Get a promise for this deferred
// If obj is provided, the promise aspect is added to the object
promise: function( obj ) {
},
deferred = {};
+ // Keep pipe for back-compat
+ promise.pipe = promise.then;
+
// Add list-specific methods
jQuery.each( tuples, function( i, tuple ) {
var list = tuple[ 2 ],
- stateString = tuple[ 5 ];
+ stateString = tuple[ 3 ];
- // promise.progress = list.add
- // promise.done = list.add
- // promise.fail = list.add
- promise[ tuple[ 1 ] ] = list.add;
+ // promise[ done | fail | progress ] = list.add
+ promise[ tuple[1] ] = list.add;
// Handle state
if ( stateString ) {
- list.add(
- function() {
-
- // state = "resolved" (i.e., fulfilled)
- // state = "rejected"
- state = stateString;
- },
+ list.add(function() {
+ // state = [ resolved | rejected ]
+ state = stateString;
- // rejected_callbacks.disable
- // fulfilled_callbacks.disable
- tuples[ 3 - i ][ 2 ].disable,
-
- // progress_callbacks.lock
- tuples[ 0 ][ 2 ].lock
- );
+ // [ reject_list | resolve_list ].disable; progress_list.lock
+ }, tuples[ i ^ 1 ][ 2 ].disable, tuples[ 2 ][ 2 ].lock );
}
- // progress_handlers.fire
- // fulfilled_handlers.fire
- // rejected_handlers.fire
- list.add( tuple[ 3 ].fire );
-
- // deferred.notify = function() { deferred.notifyWith(...) }
- // deferred.resolve = function() { deferred.resolveWith(...) }
- // deferred.reject = function() { deferred.rejectWith(...) }
- deferred[ tuple[ 0 ] ] = function() {
- deferred[ tuple[ 0 ] + "With" ]( this === deferred ? promise : this, arguments );
+ // deferred[ resolve | reject | notify ]
+ deferred[ tuple[0] ] = function() {
+ deferred[ tuple[0] + "With" ]( this === deferred ? promise : this, arguments );
return this;
};
-
- // deferred.notifyWith = list.fireWith
- // deferred.resolveWith = list.fireWith
- // deferred.rejectWith = list.fireWith
- deferred[ tuple[ 0 ] + "With" ] = list.fireWith;
- } );
+ deferred[ tuple[0] + "With" ] = list.fireWith;
+ });
// Make the deferred a promise
promise.promise( deferred );
// Deferred helper
when: function( subordinate /* , ..., subordinateN */ ) {
- var method,
- i = 0,
+ var i = 0,
resolveValues = slice.call( arguments ),
length = resolveValues.length,
// the master Deferred.
// If resolveValues consist of only a single Deferred, just use that.
- master = remaining === 1 ? subordinate : jQuery.Deferred(),
+ deferred = remaining === 1 ? subordinate : jQuery.Deferred(),
// Update function for both resolve and progress values
updateFunc = function( i, contexts, values ) {
contexts[ i ] = this;
values[ i ] = arguments.length > 1 ? slice.call( arguments ) : value;
if ( values === progressValues ) {
- master.notifyWith( contexts, values );
- } else if ( !( --remaining ) ) {
- master.resolveWith( contexts, values );
+ deferred.notifyWith( contexts, values );
+
+ } else if ( !(--remaining) ) {
+ deferred.resolveWith( contexts, values );
}
};
},
+
progressValues, progressContexts, resolveContexts;
// add listeners to Deferred subordinates; treat others as resolved
progressContexts = new Array( length );
resolveContexts = new Array( length );
for ( ; i < length; i++ ) {
- if ( resolveValues[ i ] &&
- jQuery.isFunction( ( method = resolveValues[ i ].promise ) ) ) {
-
- method.call( resolveValues[ i ] )
+ if ( resolveValues[ i ] && jQuery.isFunction( resolveValues[ i ].promise ) ) {
+ resolveValues[ i ].promise()
.progress( updateFunc( i, progressContexts, progressValues ) )
.done( updateFunc( i, resolveContexts, resolveValues ) )
- .fail( master.reject );
- } else if ( resolveValues[ i ] &&
- jQuery.isFunction( ( method = resolveValues[ i ].then ) ) ) {
-
- method.call(
- resolveValues[ i ],
- updateFunc( i, resolveContexts, resolveValues ),
- master.reject,
- updateFunc( i, progressContexts, progressValues )
- );
+ .fail( deferred.reject );
} else {
--remaining;
}
// if we're not waiting on anything, resolve the master
if ( !remaining ) {
- master.resolveWith( resolveContexts, resolveValues );
+ deferred.resolveWith( resolveContexts, resolveValues );
}
- return master.promise();
+ return deferred.promise();
}
} );
-QUnit.module( "deferred", {
+module( "deferred", {
teardown: moduleTeardown
-} );
+});
jQuery.each( [ "", " - new operator" ], function( _, withNew ) {
return withNew ? new jQuery.Deferred( fn ) : jQuery.Deferred( fn );
}
- QUnit.test( "jQuery.Deferred" + withNew, function( assert ) {
+ test( "jQuery.Deferred" + withNew, function() {
- assert.expect( 23 );
+ expect( 23 );
var defer = createDeferred();
- assert.ok( jQuery.isFunction( defer.pipe ), "defer.pipe is a function" );
-
- createDeferred().resolve().done( function() {
- assert.ok( true, "Success on resolve" );
- assert.strictEqual( this.state(), "resolved", "Deferred is resolved (state)" );
- } ).fail( function() {
- assert.ok( false, "Error on resolve" );
- } ).always( function() {
- assert.ok( true, "Always callback on resolve" );
- } );
-
- createDeferred().reject().done( function() {
- assert.ok( false, "Success on reject" );
- } ).fail( function() {
- assert.ok( true, "Error on reject" );
- assert.strictEqual( this.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 ) {
+ strictEqual( defer.pipe, defer.then, "pipe is an alias of then" );
+
+ createDeferred().resolve().done(function() {
+ ok( true, "Success on resolve" );
+ strictEqual( this.state(), "resolved", "Deferred is resolved (state)" );
+ }).fail(function() {
+ ok( false, "Error on resolve" );
+ }).always(function() {
+ ok( true, "Always callback on resolve" );
+ });
+
+ createDeferred().reject().done(function() {
+ ok( false, "Success on reject" );
+ }).fail(function() {
+ ok( true, "Error on reject" );
+ strictEqual( this.state(), "rejected", "Deferred is rejected (state)" );
+ }).always(function() {
+ ok( true, "Always callback on reject" );
+ });
+
+ createDeferred(function( defer ) {
+ ok( this === defer, "Defer passed as this & first argument" );
+ this.resolve("done");
+ }).done(function( value ) {
+ 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" );
+ strictEqual( defer.promise(), promise, "promise is always the same" );
+ 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 ] ) + ")" );
+ 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" );
+ 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" );
+ jQuery.expandedEach( "resolve reject".split(" "), function( _, change ) {
+ createDeferred(function( defer ) {
+ strictEqual( defer.state(), "pending", "pending after creation" );
var checked = 0;
- defer.progress( function( value ) {
- assert.strictEqual( value, checked, "Progress: right value (" + value + ") received" );
- } );
+ defer.progress(function( value ) {
+ 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" );
+ strictEqual( defer.state(), "pending", "pending after notification" );
defer[ change ]();
- assert.notStrictEqual( defer.state(), "pending", "not pending after " + change );
+ notStrictEqual( defer.state(), "pending", "not pending after " + change );
defer.notify();
- } );
- } );
- } );
-} );
+ });
+ });
+ });
+});
-QUnit.test( "jQuery.Deferred - chainability", function( assert ) {
+
+test( "jQuery.Deferred - chainability", function() {
var defer = jQuery.Deferred();
- assert.expect( 10 );
+ expect( 10 );
jQuery.expandedEach = jQuery.each;
- jQuery.expandedEach( "resolve reject notify resolveWith rejectWith notifyWith done fail progress always".split( " " ), function( _, method ) {
+ 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" );
- } );
-} );
+ strictEqual( object.m(), object, method + " is chainable" );
+ });
+});
-QUnit.test( "jQuery.Deferred.then - filtering (done)", function( assert ) {
+test( "jQuery.Deferred.then - filtering (done)", function() {
- assert.expect( 4 );
+ expect( 4 );
var value1, value2, value3,
defer = jQuery.Deferred(),
- piped = defer.then( function( a, b ) {
+ piped = defer.then(function( a, b ) {
return a * b;
- } ),
- done = jQuery.map( new Array( 3 ), function() { return assert.async(); } );
+ });
- piped.done( function( result ) {
+ piped.done(function( result ) {
value3 = result;
- } );
+ });
- defer.done( function( a, b ) {
+ defer.done(function( a, b ) {
value1 = a;
value2 = b;
- } );
+ });
+
+ defer.resolve( 2, 3 );
- 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();
- } );
+ strictEqual( value1, 2, "first resolve value ok" );
+ strictEqual( value2, 3, "second resolve value ok" );
+ strictEqual( value3, 6, "result of filter ok" );
- jQuery.Deferred().reject().then( function() {
- assert.ok( false, "then should not be called on reject" );
- } ).then( null, done.pop() );
+ jQuery.Deferred().reject().then(function() {
+ ok( false, "then should not be called on reject" );
+ });
- jQuery.Deferred().resolve().then( jQuery.noop ).done( function( value ) {
- assert.strictEqual( value, undefined, "then done callback can return undefined/null" );
- done.pop().call();
- } );
-} );
+ jQuery.Deferred().resolve().then( jQuery.noop ).done(function( value ) {
+ strictEqual( value, undefined, "then done callback can return undefined/null" );
+ });
+});
-QUnit.test( "jQuery.Deferred.then - filtering (fail)", function( assert ) {
+test( "jQuery.Deferred.then - filtering (fail)", function() {
- assert.expect( 4 );
+ 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 ) {
+ piped.fail(function( result ) {
value3 = result;
- } );
+ });
- defer.fail( function( a, b ) {
+ 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( "[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 );
- 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();
- } );
+ strictEqual( value1, 2, "first reject value ok" );
+ strictEqual( value2, 3, "second reject value ok" );
+ strictEqual( value3, 6, "result of filter ok" );
- jQuery.Deferred().resolve().pipe( null, function() {
- assert.ok( false, "then should not be called on resolve" );
- } ).then( done.pop() );
+ jQuery.Deferred().resolve().then( null, function() {
+ ok( false, "then should not be called on resolve" );
+ });
- jQuery.Deferred().reject().pipe( null, jQuery.noop ).fail( function( value ) {
- assert.strictEqual( value, undefined, "then fail callback can return undefined/null" );
- done.pop().call();
- } );
-} );
+ jQuery.Deferred().reject().then( null, jQuery.noop ).fail(function( value ) {
+ strictEqual( value, undefined, "then fail callback can return undefined/null" );
+ });
+});
-QUnit.test( "jQuery.Deferred.then - filtering (progress)", function( assert ) {
+test( "jQuery.Deferred.then - filtering (progress)", function() {
- assert.expect( 3 );
+ 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 ) {
+ piped.progress(function( result ) {
value3 = result;
- } );
+ });
- defer.progress( function( a, b ) {
+ 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();
- } );
-} );
+ defer.notify( 2, 3 );
-QUnit.test( "jQuery.Deferred.then - deferred (done)", function( assert ) {
+ strictEqual( value1, 2, "first progress value ok" );
+ strictEqual( value2, 3, "second progress value ok" );
+ strictEqual( value3, 6, "result of filter ok" );
+});
- assert.expect( 3 );
+test( "jQuery.Deferred.then - deferred (done)", function() {
+
+ expect( 3 );
var value1, value2, value3,
defer = jQuery.Deferred(),
- piped = defer.then( function( a, b ) {
- return jQuery.Deferred( function( defer ) {
+ piped = defer.then(function( a, b ) {
+ return jQuery.Deferred(function( defer ) {
defer.reject( a * b );
- } );
- } ),
- done = assert.async();
+ });
+ });
- piped.fail( function( result ) {
+ piped.fail(function( result ) {
value3 = result;
- } );
+ });
- defer.done( function( a, b ) {
+ 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();
- } );
-} );
+ strictEqual( value1, 2, "first resolve value ok" );
+ strictEqual( value2, 3, "second resolve value ok" );
+ strictEqual( value3, 6, "result of filter ok" );
+});
-QUnit.test( "jQuery.Deferred.then - deferred (fail)", function( assert ) {
+test( "jQuery.Deferred.then - deferred (fail)", function() {
- assert.expect( 3 );
+ expect( 3 );
var value1, value2, value3,
defer = jQuery.Deferred(),
piped = defer.then( null, function( a, b ) {
- return jQuery.Deferred( function( defer ) {
+ return jQuery.Deferred(function( defer ) {
defer.resolve( a * b );
- } );
- } ),
- done = assert.async();
+ });
+ });
- piped.done( function( result ) {
+ piped.done(function( result ) {
value3 = result;
- } );
+ });
- defer.fail( function( a, b ) {
+ 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();
- } );
-} );
+ strictEqual( value1, 2, "first reject value ok" );
+ strictEqual( value2, 3, "second reject value ok" );
+ strictEqual( value3, 6, "result of filter ok" );
+});
-QUnit.test( "jQuery.Deferred.then - deferred (progress)", function( assert ) {
+test( "jQuery.Deferred.then - deferred (progress)", function() {
- assert.expect( 3 );
+ 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 ) {
+ return jQuery.Deferred(function( defer ) {
defer.resolve( a * b );
- } );
- } ),
- done = assert.async();
+ });
+ });
- piped.done( function( result ) {
+ piped.done(function( result ) {
value3 = result;
- } );
+ });
- defer.progress( function( a, b ) {
+ 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();
- } );
-} );
+ strictEqual( value1, 2, "first progress value ok" );
+ strictEqual( value2, 3, "second progress value ok" );
+ strictEqual( value3, 6, "result of filter ok" );
+});
-QUnit.test( "jQuery.Deferred.then - context", function( assert ) {
+test( "jQuery.Deferred.then - context", function() {
- assert.expect( 7 );
+ expect( 7 );
var defer, piped, defer2, piped2,
- context = {},
- done = jQuery.map( new Array( 4 ), function() { return assert.async(); } );
+ context = {};
- jQuery.Deferred().resolveWith( context, [ 2 ] ).then( function( value ) {
+ jQuery.Deferred().resolveWith( context, [ 2 ] ).then(function( value ) {
return value * 3;
- } ).done( function( value ) {
- assert.notStrictEqual( this, context, "custom context not propagated through .then" );
- assert.strictEqual( value, 6, "proper value received" );
- done.pop().call();
- } );
-
- jQuery.Deferred().resolve().then( function() {
- return jQuery.Deferred().resolveWith( context );
- } ).done( function() {
- assert.strictEqual( this, context,
- "custom context of returned deferred correctly propagated" );
- done.pop().call();
- } );
+ }).done(function( value ) {
+ strictEqual( this, context, "custom context correctly propagated" );
+ strictEqual( value, 6, "proper value received" );
+ });
+
+ jQuery.Deferred().resolve().then(function() {
+ return jQuery.Deferred().resolveWith(context);
+ }).done(function() {
+ strictEqual( this, context, "custom context of returned deferred correctly propagated" );
+ });
defer = jQuery.Deferred();
- piped = defer.then( function( value ) {
+ piped = defer.then(function( value ) {
return value * 3;
- } );
+ });
defer.resolve( 2 );
- piped.done( function( value ) {
- assert.strictEqual( this, piped,
- "default context gets updated to latest promise in the chain" );
- assert.strictEqual( value, 6, "proper value received" );
- done.pop().call();
- } );
+ piped.done(function( value ) {
+ strictEqual( this, piped, "default context gets updated to latest promise in the chain" );
+ strictEqual( value, 6, "proper value received" );
+ });
defer2 = jQuery.Deferred();
piped2 = defer2.then();
defer2.resolve( 2 );
- piped2.done( function( value ) {
- assert.strictEqual( this, piped2,
- "default context updated to latest promise in the chain (without passing function)" );
- assert.strictEqual( value, 2, "proper value received (without passing function)" );
- done.pop().call();
- } );
-} );
+ piped2.done(function( value ) {
+ strictEqual( this, piped2, "default context gets updated to latest promise in the chain (without passing function)" );
+ strictEqual( value, 2, "proper value received (without passing function)" );
+ });
+});
-QUnit.test( "[PIPE ONLY] jQuery.Deferred.pipe - context", function( assert ) {
+test( "jQuery.when", function() {
- assert.expect( 7 );
-
- var defer, piped, defer2, piped2,
- context = {},
- done = jQuery.map( new Array( 4 ), function() { return assert.async(); } );
-
- jQuery.Deferred().resolveWith( context, [ 2 ] ).pipe( function( value ) {
- return value * 3;
- } ).done( function( value ) {
- assert.strictEqual( this, context, "[PIPE ONLY] custom context correctly propagated" );
- assert.strictEqual( value, 6, "proper value received" );
- done.pop().call();
- } );
-
- jQuery.Deferred().resolve().pipe( function() {
- 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, piped,
- "default context gets updated to latest promise in the chain" );
- 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, piped2,
- "default context updated to latest promise in the chain (without passing function)" );
- 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.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", function( assert ) {
-
- assert.expect( 37 );
+ expect( 37 );
// Some other objects
- jQuery.each( {
+ jQuery.each({
"an empty string": "",
"a non-empty string": "some string",
"zero": 0,
"an array": [ 1, 2, 3 ]
}, function( message, value ) {
- assert.ok(
+ ok(
jQuery.isFunction(
- jQuery.when( value ).done( function( resolveValue ) {
- assert.strictEqual( this, window, "Context is the global object with " + message );
- assert.strictEqual( resolveValue, value, "Test the promise was resolved with " + message );
- } ).promise
+ jQuery.when( value ).done(function( resolveValue ) {
+ strictEqual( this, window, "Context is the global object with " + message );
+ strictEqual( resolveValue, value, "Test the promise was resolved with " + message );
+ }).promise
),
"Test " + message + " triggers the creation of a new Promise"
);
- } );
+ });
- assert.ok(
+ ok(
jQuery.isFunction(
- jQuery.when().done( function( resolveValue ) {
- assert.strictEqual( this, window, "Test the promise was resolved with window as its context" );
- assert.strictEqual( resolveValue, undefined, "Test the promise was resolved with no parameter" );
- } ).promise
+ jQuery.when().done(function( resolveValue ) {
+ strictEqual( this, window, "Test the promise was resolved with window as its context" );
+ strictEqual( resolveValue, undefined, "Test the promise was resolved with no parameter" );
+ }).promise
),
"Test calling when with no parameter triggers the creation of a new Promise"
);
var cache,
context = {};
- jQuery.when( jQuery.Deferred().resolveWith( context ) ).done( function() {
- assert.strictEqual( this, context, "when( promise ) propagates context" );
- } );
+ jQuery.when( jQuery.Deferred().resolveWith( context ) ).done(function() {
+ strictEqual( this, context, "when( promise ) propagates context" );
+ });
- jQuery.each( [ 1, 2, 3 ], function( k, i ) {
+ jQuery.each([ 1, 2, 3 ], function( k, i ) {
- jQuery.when( cache || jQuery.Deferred( function() {
+ jQuery.when( cache || jQuery.Deferred(function() {
this.resolve( i );
- } )
- ).done( function( value ) {
+ })
+ ).done(function( value ) {
- assert.strictEqual( value, 1, "Function executed" + ( i > 1 ? " only once" : "" ) );
+ strictEqual( value, 1, "Function executed" + ( i > 1 ? " only once" : "" ) );
cache = value;
- } );
+ });
- } );
-} );
+ });
+});
-QUnit.test( "jQuery.when - joined", function( assert ) {
+test( "jQuery.when - joined", function() {
- assert.expect( 195 );
+ expect( 119 );
var deferreds = {
- rawValue: 1,
- fulfilled: jQuery.Deferred().resolve( 1 ),
- rejected: jQuery.Deferred().reject( 0 ),
- notified: jQuery.Deferred().notify( true ),
- eventuallyFulfilled: jQuery.Deferred().notify( true ),
- eventuallyRejected: jQuery.Deferred().notify( true ),
- fulfilledStandardPromise: Promise.resolve( 1 ),
- rejectedStandardPromise: Promise.reject( 0 )
+ value: 1,
+ success: jQuery.Deferred().resolve( 1 ),
+ error: jQuery.Deferred().reject( 0 ),
+ futureSuccess: jQuery.Deferred().notify( true ),
+ futureError: jQuery.Deferred().notify( true ),
+ notify: jQuery.Deferred().notify( true )
},
willSucceed = {
- rawValue: true,
- fulfilled: true,
- eventuallyFulfilled: true,
- fulfilledStandardPromise: true
+ value: true,
+ success: true,
+ futureSuccess: true
},
willError = {
- rejected: true,
- eventuallyRejected: true,
- rejectedStandardPromise: true
+ error: true,
+ futureError: true
},
willNotify = {
- notified: true,
- eventuallyFulfilled: true,
- eventuallyRejected: true
- },
- counter = 49;
-
- QUnit.stop();
-
- function restart() {
- if ( !--counter ) {
- QUnit.start();
- }
- }
+ futureSuccess: true,
+ futureError: true,
+ notify: true
+ };
jQuery.each( deferreds, function( id1, defer1 ) {
jQuery.each( deferreds, function( id2, defer2 ) {
shouldNotify = willNotify[ id1 ] || willNotify[ id2 ],
expected = shouldResolve ? [ 1, 1 ] : [ 0, undefined ],
expectedNotify = shouldNotify && [ willNotify[ id1 ], willNotify[ id2 ] ],
- code = "jQuery.when( " + id1 + ", " + id2 + " )",
- context1 = defer1 && jQuery.isFunction( defer1.promise ) ? defer1.promise() :
- ( defer1.then ? window : undefined ),
- context2 = defer2 && jQuery.isFunction( defer2.promise ) ? defer2.promise() :
- ( defer2.then ? window : undefined );
+ code = id1 + "/" + id2,
+ context1 = defer1 && jQuery.isFunction( defer1.promise ) ? defer1.promise() : undefined,
+ context2 = defer2 && jQuery.isFunction( defer2.promise ) ? defer2.promise() : undefined;
- jQuery.when( defer1, defer2 ).done( function( a, b ) {
+ jQuery.when( defer1, defer2 ).done(function( a, b ) {
if ( shouldResolve ) {
- assert.deepEqual( [ a, b ], expected, code + " => resolve" );
- assert.strictEqual( this[ 0 ], context1, code + " => first context OK" );
- assert.strictEqual( this[ 1 ], context2, code + " => second context OK" );
+ deepEqual( [ a, b ], expected, code + " => resolve" );
+ strictEqual( this[ 0 ], context1, code + " => first context OK" );
+ strictEqual( this[ 1 ], context2, code + " => second context OK" );
} else {
- assert.ok( false, code + " => resolve" );
+ ok( false, code + " => resolve" );
}
- } ).fail( function( a, b ) {
+ }).fail(function( a, b ) {
if ( shouldError ) {
- assert.deepEqual( [ a, b ], expected, code + " => reject" );
+ deepEqual( [ a, b ], expected, code + " => reject" );
} else {
- assert.ok( false, code + " => reject" );
+ ok( false, code + " => reject" );
}
- } ).progress( function( a, b ) {
- assert.deepEqual( [ a, b ], expectedNotify, code + " => progress" );
- assert.strictEqual( this[ 0 ], expectedNotify[ 0 ] ? context1 : undefined, code + " => first context OK" );
- assert.strictEqual( this[ 1 ], expectedNotify[ 1 ] ? context2 : undefined, code + " => second context OK" );
- } ).always( restart );
- } );
- } );
- deferreds.eventuallyFulfilled.resolve( 1 );
- deferreds.eventuallyRejected.reject( 0 );
-} );
+ }).progress(function( a, b ) {
+ deepEqual( [ a, b ], expectedNotify, code + " => progress" );
+ strictEqual( this[ 0 ], expectedNotify[ 0 ] ? context1 : undefined, code + " => first context OK" );
+ strictEqual( this[ 1 ], expectedNotify[ 1 ] ? context2 : undefined, code + " => second context OK" );
+ });
+ });
+ });
+ deferreds.futureSuccess.resolve( 1 );
+ deferreds.futureError.reject( 0 );
+});
-QUnit.test( "jQuery.when - resolved", function( assert ) {
+test( "jQuery.when - resolved", function() {
- assert.expect( 6 );
+ expect( 6 );
var a = jQuery.Deferred().notify( 1 ).resolve( 4 ),
b = jQuery.Deferred().notify( 2 ).resolve( 5 ),
c = jQuery.Deferred().notify( 3 ).resolve( 6 );
- jQuery.when( a, b, c ).progress( function( a, b, c ) {
- assert.strictEqual( a, 1, "first notify value ok" );
- assert.strictEqual( b, 2, "second notify value ok" );
- assert.strictEqual( c, 3, "third notify value ok" );
- } ).done( function( a, b, c ) {
- assert.strictEqual( a, 4, "first resolve value ok" );
- assert.strictEqual( b, 5, "second resolve value ok" );
- assert.strictEqual( c, 6, "third resolve value ok" );
- } ).fail( function() {
- assert.ok( false, "Error on resolve" );
- } );
-} );
-
-QUnit.test( "jQuery.when - filtering", function( assert ) {
-
- assert.expect( 2 );
-
- function increment( x ) {
- return x + 1;
- }
-
- QUnit.stop();
-
- jQuery.when(
- jQuery.Deferred().resolve( 3 ).then( increment ),
- jQuery.Deferred().reject( 5 ).then( null, increment )
- ).done( function( four, six ) {
- assert.strictEqual( four, 4, "resolved value incremented" );
- assert.strictEqual( six, 6, "rejected value incremented" );
- QUnit.start();
- } );
-} );
-
-QUnit.test( "jQuery.when - exceptions", function( assert ) {
-
- assert.expect( 2 );
-
- function woops() {
- throw "exception thrown";
- }
-
- QUnit.stop();
-
- jQuery.Deferred().resolve().then( woops ).fail( function( doneException ) {
- assert.strictEqual( doneException, "exception thrown", "throwing in done handler" );
- jQuery.Deferred().reject().then( null, woops ).fail( function( failException ) {
- assert.strictEqual( failException, "exception thrown", "throwing in fail handler" );
- QUnit.start();
- } );
- } );
-} );
-
-QUnit.test( "jQuery.when - chaining", function( assert ) {
-
- assert.expect( 4 );
-
- var defer = jQuery.Deferred();
-
- function chain() {
- return defer;
- }
-
- function chainStandard() {
- return Promise.resolve( "std deferred" );
- }
-
- QUnit.stop();
-
- jQuery.when(
- jQuery.Deferred().resolve( 3 ).then( chain ),
- jQuery.Deferred().reject( 5 ).then( null, chain ),
- jQuery.Deferred().resolve( 3 ).then( chainStandard ),
- jQuery.Deferred().reject( 5 ).then( null, chainStandard )
- ).done( function( v1, v2, s1, s2 ) {
- assert.strictEqual( v1, "other deferred", "chaining in done handler" );
- assert.strictEqual( v2, "other deferred", "chaining in fail handler" );
- assert.strictEqual( s1, "std deferred", "chaining thenable in done handler" );
- assert.strictEqual( s2, "std deferred", "chaining thenable in fail handler" );
- QUnit.start();
- } );
-
- defer.resolve( "other deferred" );
-} );
+ jQuery.when( a, b, c ).progress(function( a, b, c ) {
+ strictEqual( a, 1, "first notify value ok" );
+ strictEqual( b, 2, "second notify value ok" );
+ strictEqual( c, 3, "third notify value ok" );
+ }).done(function( a, b, c ) {
+ strictEqual( a, 4, "first resolve value ok" );
+ strictEqual( b, 5, "second resolve value ok" );
+ strictEqual( c, 6, "third resolve value ok" );
+ }).fail(function() {
+ ok( false, "Error on resolve" );
+ });
+
+});