]> source.dussan.org Git - jquery.git/commitdiff
Tests: Weaken sync-assumption from jQuery.when to jQuery.ready.then
authorRichard Gibson <richard.gibson@gmail.com>
Tue, 26 Apr 2016 14:14:53 +0000 (10:14 -0400)
committerRichard Gibson <richard.gibson@gmail.com>
Tue, 26 Apr 2016 14:14:53 +0000 (10:14 -0400)
test/unit/ready.js

index 84bcc2c9eb9bc65aa66551bb5ab2c7ae3d667897..775b6048a962b91ca470135bc6f0e87e8487d9e6 100644 (file)
@@ -2,6 +2,7 @@ QUnit.module( "ready" );
 
 ( function() {
        var notYetReady, noEarlyExecution,
+               whenified = jQuery.when( jQuery.ready ),
                promisified = Promise.resolve( jQuery.ready ),
                order = [],
                args = {};
@@ -41,35 +42,33 @@ QUnit.module( "ready" );
        // Bind to the ready event in every possible way.
        jQuery( makeHandler( "a" ) );
        jQuery( document ).ready( makeHandler( "b" ) );
+       jQuery.ready.then( makeHandler( "c" ) );
 
-       // Throw in an error to ensure other callbacks are called
+       // Throw in some errors
        jQuery( function() {
                throwError( 1 );
        } );
-
-       // Throw two errors in a row
        jQuery( function() {
                throwError( 2 );
        } );
-       jQuery.when( jQuery.ready ).done( makeHandler( "c" ) );
 
-       // Do it twice, just to be sure.
+       // Bind again to ensure that the errors didn't lock everything up
        jQuery( makeHandler( "d" ) );
        jQuery( document ).ready( makeHandler( "e" ) );
-       jQuery.when( jQuery.ready ).done( makeHandler( "f" ) );
+       jQuery.ready.then( makeHandler( "f" ) );
 
        noEarlyExecution = order.length === 0;
 
        // This assumes that QUnit tests are run on DOM ready!
        QUnit.test( "jQuery ready", function( assert ) {
-               assert.expect( 8 );
+               assert.expect( 10 );
 
                assert.ok( noEarlyExecution,
                        "Handlers bound to DOM ready should not execute before DOM ready" );
 
                // Ensure execution order.
                assert.deepEqual( order, [ "a", "b", "c", "d", "e", "f" ],
-                       "Bound DOM ready handlers should execute in on-order" );
+                       "Bound DOM ready handlers should execute in bind order" );
 
                // Ensure handler argument is correct.
                assert.equal( args.a, jQuery,
@@ -84,17 +83,42 @@ QUnit.module( "ready" );
                var done = assert.async();
                jQuery( makeHandler( "g" ) );
                jQuery( document ).ready( makeHandler( "h" ) );
+               jQuery.ready.then( makeHandler( "i" ) );
                window.setTimeout( function() {
-                       assert.equal( order.shift(), "g", "Event handler should execute immediately, but async" );
-                       assert.equal( args.g, jQuery, "Argument passed to fn in jQuery( fn ) should be jQuery" );
+                       assert.equal( order.shift(), "g",
+                               "Event handler should execute immediately, but async" );
+                       assert.equal( args.g, jQuery,
+                               "Argument passed to fn in jQuery( fn ) should be jQuery" );
 
-                       assert.equal( order.shift(), "h", "Event handler should execute immediately, but async" );
+                       assert.equal( order.shift(), "h",
+                               "Event handler should execute immediately, but async" );
                        assert.equal( args.h, jQuery,
                                "Argument passed to fn in jQuery(document).ready( fn ) should be jQuery" );
+
+                       assert.equal( order.shift(), "i",
+                               "Event handler should execute immediately, but async" );
+                       assert.equal( args.h, jQuery,
+                               "Argument passed to fn in jQuery.ready.then( fn ) should be jQuery" );
+
                        done();
                } );
        } );
 
+       QUnit.test( "jQuery.when(jQuery.ready)", function( assert ) {
+               assert.expect( 2 );
+               var done = jQuery.map( new Array( 2 ), function() { return assert.async(); } );
+
+               whenified.then( function() {
+                       assert.ok( jQuery.isReady, "jQuery.when Deferred resolved" );
+                       done.pop()();
+               } );
+
+               jQuery.when( jQuery.ready ).then( function() {
+                       assert.ok( jQuery.isReady, "jQuery.when Deferred resolved" );
+                       done.pop()();
+               } );
+       } );
+
        QUnit.test( "Promise.resolve(jQuery.ready)", function( assert ) {
                assert.expect( 2 );
                var done = jQuery.map( new Array( 2 ), function() { return assert.async(); } );