Moved test-class-parent into test suite as Class/ParentTest
Mike Gerwitz
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2b5bcaf02d
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d0bc34a7f3
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/**
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* Tests class parent invocation
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*
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* Copyright (C) 2010, 2011, 2013 Mike Gerwitz
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*
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* This file is part of GNU ease.js.
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*
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* ease.js is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* TODO: This should test the appropriate functionality directly, not
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* through the class module.
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*/
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require( 'common' ).testCase(
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{
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setUp: function()
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{
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this.Sut = this.require( 'class' );
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},
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/**
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* An overridden parent method should never be invoked without
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* explicitly requesting such.
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*/
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'Subtype does not invoke overridden parent method by default':
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function()
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{
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var called = false;
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this.Sut( { 'virtual foo': function() { called = true; } } )
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.extend( { 'override foo': function() {} } )
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().foo();
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this.assertOk( !called );
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},
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/**
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* We provide a __super reference for invoking the parent method; all
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* arguments should be forwarded.
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*/
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'Subtype can invoke parent method with arguments': function()
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{
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var args = null,
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expected1 = "foobar",
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expected2 = "baz";
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this.Sut( { 'virtual foo': function( a, b ) { args = [ a, b ]; } } )
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.extend( {
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'override foo': function( a, b ) { this.__super( a, b ); }
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} )
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().foo( expected1, expected2 );
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this.assertNotEqual( args, null );
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this.assertEqual( args[ 0 ], expected1 );
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this.assertEqual( args[ 1 ], expected2 );
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},
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} );
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@ -1,132 +0,0 @@
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/**
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* Tests class parent invocation
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*
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* Copyright (C) 2010, 2011, 2013 Mike Gerwitz
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*
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* This file is part of GNU ease.js.
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*
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* ease.js is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
|
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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var common = require( './common' ),
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assert = require( 'assert' ),
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Class = common.require( 'class' ),
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// we store these outside of the class to ensure that visibility bugs do not
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// get in the way of our assertions
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hitMethod = false,
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hitMethod2 = false,
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hitDouble = false,
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method2Arg = null,
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Foo = Class.extend(
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{
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'virtual myMethod': function()
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{
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hitMethod = true;
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return this;
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},
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'virtual myMethod2': function( arg )
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{
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hitMethod2 = true;
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method2Arg = arg;
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return this;
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},
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'virtual dbl': function()
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{
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hitDouble = true;
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}
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}),
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SubFoo = Foo.extend(
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{
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'override myMethod': function()
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{
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return this;
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},
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'override myMethod2': function( arg )
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{
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return this.__super( arg );
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},
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'override dbl': function()
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{
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this.myMethod();
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this.__super();
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return this;
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}
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}),
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foo = new Foo(),
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sub_foo = new SubFoo()
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;
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// make sure we're working properly before we run the important assertions
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foo.myMethod().myMethod2();
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assert.equal(
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hitMethod,
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true,
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"Sanity check"
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);
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assert.equal(
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hitMethod2,
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true,
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"Sanity check"
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);
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hitMethod = hitMethod2 = false;
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var arg = 'foobar';
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sub_foo.myMethod().myMethod2( arg ).dbl();
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// myMethod overrides without calling parent
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assert.equal(
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hitMethod,
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false,
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"Subtype should be able to override parent properties"
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);
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// myMethod2 overrides parent then calls super method
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assert.equal(
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hitMethod2,
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true,
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"Subtype should be able to call parent method"
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);
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assert.equal(
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method2Arg,
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arg,
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"Arguments should be passed to super method via _super argument list"
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);
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assert['throws']( function()
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{
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Foo.extend(
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{
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// overriding method with scalar; shouldn't be allowed
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myMethod: 'scalar',
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});
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}, TypeError, "Methods must be overridden with a Function" );
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// ensure that __super is not cleared after a call to an override
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assert.equal(
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hitDouble,
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true,
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"__super is maintained in a stack-like manner"
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);
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