Merge branch 'master' of github.com:jquery/jquery into deferred

[jquery.git] / test / unit / core.js

diff --git a/test/unit/core.js b/test/unit/core.js
index 5c80569..e0938b6 100644 (file)
--- a/test/unit/core.js
+++ b/test/unit/core.js
@@ -904,3 +904,167 @@ test("jQuery.parseJSON", function(){
                ok( true, "Test malformed JSON string." );
        }
 });
+
+test("jQuery._Deferred()", function() {
+       
+       expect( 10 );
+       
+       var deferred,
+               object,
+               test;
+       
+       deferred = jQuery._Deferred();
+               
+       test = false;
+               
+       deferred.then( function( value ) {
+               equals( value , "value" , "Test pre-resolve callback" );
+               test = true;
+       } );
+       
+       deferred.resolve( "value" );
+       
+       ok( test , "Test pre-resolve callbacks called right away" );
+
+       test = false;
+       
+       deferred.then( function( value ) {
+               equals( value , "value" , "Test post-resolve callback" );
+               test = true;
+       } );
+       
+       ok( test , "Test post-resolve callbacks called right away" );
+       
+       deferred.cancel();
+       
+       test = true;
+       
+       deferred.then( function() {
+               ok( false , "Cancel was ignored" );
+               test = false;
+       } );
+       
+       ok( test , "Test cancel" );
+       
+       deferred = jQuery._Deferred().resolve();
+       
+       try {
+               deferred.then( function() {
+                       throw "Error";
+               } , function() {
+                       ok( true , "Test deferred do not cancel on exception" );
+               } );
+       } catch( e ) {
+               strictEqual( e , "Error" , "Test deferred propagates exceptions");
+               deferred.then();
+       }
+       
+       test = "";
+       deferred = jQuery._Deferred().then( function() {
+               
+               test += "A";
+               
+       }, function() {
+               
+               test += "B";
+               
+       } ).resolve();
+       
+       strictEqual( test , "AB" , "Test multiple then parameters" );
+       
+       test = "";
+       
+       deferred.then( function() {
+               
+               deferred.then( function() {
+                       
+                       test += "C";
+                       
+               } );
+               
+               test += "A";
+               
+       }, function() {
+               
+               test += "B";
+       } );
+       
+       strictEqual( test , "ABC" , "Test then callbacks order" );
+       
+       deferred = jQuery._Deferred();
+       
+       deferred.fire( jQuery , [ document ] ).then( function( doc ) {
+               ok( this === jQuery && arguments.length === 1 && doc === document , "Test fire context & args" );
+       });
+});
+
+test("jQuery.Deferred()", function() {
+       
+       expect( 4 );
+       
+       jQuery.Deferred( function( defer ) {
+               strictEqual( this , defer , "Defer passed as this & first argument" );
+               this.resolve( "done" );
+       }).then( function( value ) {
+               strictEqual( value , "done" , "Passed function executed" );
+       });
+       
+       jQuery.Deferred().resolve().then( function() {
+               ok( true , "Success on resolve" );
+       }).fail( function() {
+               ok( false , "Error on resolve" );
+       });
+       
+       jQuery.Deferred().reject().then( function() {
+               ok( false , "Success on reject" );
+       }).fail( function() {
+               ok( true , "Error on reject" );
+       });
+});
+       
+test("jQuery.isDeferred()", function() {
+       
+       expect( 10 );
+       
+       var object1 = { then: function() { return this; } },
+               object2 = { then: function() { return this; } };
+               
+       object2.then._ = [];
+       
+       // The use case that we want to match
+       ok(jQuery.isDeferred(jQuery._Deferred()), "Simple deferred");
+       ok(jQuery.isDeferred(jQuery.Deferred()), "Failable deferred");
+       
+       // Some other objects
+       ok(!jQuery.isDeferred(object1), "Object with then & no marker");
+       ok(!jQuery.isDeferred(object2), "Object with then & marker");
+       
+       // Not objects shouldn't be matched
+       ok(!jQuery.isDeferred(""), "string");
+       ok(!jQuery.isDeferred(0) && !jQuery.isDeferred(1), "number");
+       ok(!jQuery.isDeferred(true) && !jQuery.isDeferred(false), "boolean");
+       ok(!jQuery.isDeferred(null), "null");
+       ok(!jQuery.isDeferred(undefined), "undefined");
+       
+       object1 = {custom: jQuery._Deferred().then};
+       
+       ok(!jQuery.isDeferred(object1) , "custom method name not found automagically");
+});
+
+test("jQuery.when()", function() {
+       
+       expect( 2 );
+       
+       var cache, i;
+       
+       for( i = 1 ; i < 3 ; i++ ) {
+               jQuery.when( cache || jQuery.Deferred( function() {
+                       this.resolve( i );
+               }) ).then( function( value ) {
+                       strictEqual( value , 1 , "Function executed" + ( i > 1 ? " only once" : "" ) );
+                       cache = value;
+               }).fail( function() {
+                       ok( false , "Fail called" );
+               });
+       }
+});