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114 lines
5.2 KiB
114 lines
5.2 KiB
define( [
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"qunit",
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"jquery",
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"ui/widget"
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], function( QUnit, $ ) {
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QUnit.test( "$.widget.extend()", function( assert ) {
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assert.expect( 27 );
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var ret, empty, optionsWithLength, optionsWithDate, myKlass, customObject, optionsWithCustomObject, nullUndef,
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target, recursive, obj, input, output,
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settings = { xnumber1: 5, xnumber2: 7, xstring1: "peter", xstring2: "pan" },
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options = { xnumber2: 1, xstring2: "x", xxx: "newstring" },
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optionsCopy = { xnumber2: 1, xstring2: "x", xxx: "newstring" },
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merged = { xnumber1: 5, xnumber2: 1, xstring1: "peter", xstring2: "x", xxx: "newstring" },
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deep1 = { foo: { bar: true } },
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deep2 = { foo: { baz: true }, foo2: document },
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deep2copy = { foo: { baz: true }, foo2: document },
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deepmerged = { foo: { bar: true, baz: true }, foo2: document },
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arr = [ 1, 2, 3 ],
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nestedarray = { arr: arr },
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defaults = { xnumber1: 5, xnumber2: 7, xstring1: "peter", xstring2: "pan" },
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defaultsCopy = { xnumber1: 5, xnumber2: 7, xstring1: "peter", xstring2: "pan" },
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options1 = { xnumber2: 1, xstring2: "x" },
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options1Copy = { xnumber2: 1, xstring2: "x" },
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options2 = { xstring2: "xx", xxx: "newstringx" },
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options2Copy = { xstring2: "xx", xxx: "newstringx" },
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merged2 = { xnumber1: 5, xnumber2: 1, xstring1: "peter", xstring2: "xx", xxx: "newstringx" };
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$.widget.extend( settings, options );
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assert.deepEqual( settings, merged, "Check if extended: settings must be extended" );
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assert.deepEqual( options, optionsCopy, "Check if not modified: options must not be modified" );
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$.widget.extend( deep1, deep2 );
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assert.deepEqual( deep1.foo, deepmerged.foo, "Check if foo: settings must be extended" );
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assert.deepEqual( deep2.foo, deep2copy.foo, "Check if not deep2: options must not be modified" );
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assert.equal( deep1.foo2, document, "Make sure that a deep clone was not attempted on the document" );
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assert.strictEqual( $.widget.extend( {}, nestedarray ).arr, arr, "Don't clone arrays" );
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assert.ok( $.isPlainObject( $.widget.extend( { arr: arr }, { arr: {} } ).arr ), "Cloned object heve to be an plain object" );
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empty = {};
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optionsWithLength = { foo: { length: -1 } };
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$.widget.extend( empty, optionsWithLength );
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assert.deepEqual( empty.foo, optionsWithLength.foo, "The length property must copy correctly" );
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empty = {};
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optionsWithDate = { foo: { date: new Date() } };
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$.widget.extend( empty, optionsWithDate );
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assert.deepEqual( empty.foo, optionsWithDate.foo, "Dates copy correctly" );
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myKlass = function() {};
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customObject = new myKlass();
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optionsWithCustomObject = { foo: { date: customObject } };
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empty = {};
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$.widget.extend( empty, optionsWithCustomObject );
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assert.strictEqual( empty.foo.date, customObject, "Custom objects copy correctly (no methods)" );
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// Makes the class a little more realistic
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myKlass.prototype = { someMethod: function() {} };
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empty = {};
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$.widget.extend( empty, optionsWithCustomObject );
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assert.strictEqual( empty.foo.date, customObject, "Custom objects copy correctly" );
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ret = $.widget.extend( { foo: 4 }, { foo: Number( 5 ) } );
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assert.equal( ret.foo, 5, "Wrapped numbers copy correctly" );
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nullUndef = $.widget.extend( {}, options, { xnumber2: null } );
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assert.strictEqual( nullUndef.xnumber2, null, "Check to make sure null values are copied" );
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nullUndef = $.widget.extend( {}, options, { xnumber2: undefined } );
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assert.strictEqual( nullUndef.xnumber2, options.xnumber2, "Check to make sure undefined values are not copied" );
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nullUndef = $.widget.extend( {}, options, { xnumber0: null } );
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assert.strictEqual( nullUndef.xnumber0, null, "Check to make sure null values are inserted" );
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target = {};
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recursive = { foo:target, bar:5 };
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$.widget.extend( target, recursive );
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assert.deepEqual( target, { foo: {}, bar: 5 }, "Check to make sure a recursive obj doesn't go never-ending loop by not copying it over" );
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ret = $.widget.extend( { foo: [] }, { foo: [ 0 ] } ); // 1907
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assert.equal( ret.foo.length, 1, "Check to make sure a value with coersion 'false' copies over when necessary to fix #1907" );
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ret = $.widget.extend( { foo: "1,2,3" }, { foo: [ 1, 2, 3 ] } );
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assert.deepEqual( ret.foo, [ 1, 2, 3 ], "Properly extend a string to array." );
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ret = $.widget.extend( { foo: "1,2,3" }, { foo: { to: "object" } } );
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assert.deepEqual( ret.foo, { to: "object" }, "Properly extend a string to object." );
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ret = $.widget.extend( { foo: "bar" }, { foo: null } );
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assert.strictEqual( ret.foo, null, "Make sure a null value doesn't crash with deep extend, for #1908" );
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obj = { foo: null };
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$.widget.extend( obj, { foo:"notnull" } );
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assert.equal( obj.foo, "notnull", "Make sure a null value can be overwritten" );
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settings = $.widget.extend( {}, defaults, options1, options2 );
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assert.deepEqual( settings, merged2, "Check if extended: settings must be extended" );
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assert.deepEqual( defaults, defaultsCopy, "Check if not modified: options1 must not be modified" );
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assert.deepEqual( options1, options1Copy, "Check if not modified: options1 must not be modified" );
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assert.deepEqual( options2, options2Copy, "Check if not modified: options2 must not be modified" );
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input = {
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key: [ 1, 2, 3 ]
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};
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output = $.widget.extend( {}, input );
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assert.deepEqual( input, output, "don't clone arrays" );
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input.key[ 0 ] = 10;
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assert.deepEqual( input, output, "don't clone arrays" );
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} );
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} );
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