133 lines
3.6 KiB
JavaScript
133 lines
3.6 KiB
JavaScript
/**
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* Tests hidden methods
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*
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* Copyright (C) 2010 Mike Gerwitz
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*
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* This file is part of ease.js.
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*
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* ease.js is free software: you can redistribute it and/or modify it under the
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* terms of the GNU Lesser General Public License as published by the Free
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* Software Foundation, either version 3 of the License, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
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* for more details.
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*
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* You should have received a copy of the GNU Lesser 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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* @author Mike Gerwitz
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* @package test
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*/
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var common = require( './common' ),
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assert = require( 'assert' ),
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warn = common.require( 'warn' )
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// XXX: get rid of this disgusting mess; we're mid-refactor and all these
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// dependencies should not be necessary for testing
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ClassBuilder = common.require( '/ClassBuilder' ),
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MethodWrapperFactory = common.require( '/MethodWrapperFactory' ),
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wrappers = common.require( '/MethodWrappers' ).standard,
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builder = ClassBuilder(
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common.require( '/MemberBuilder' )(
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MethodWrapperFactory( wrappers.wrapNew ),
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MethodWrapperFactory( wrappers.wrapOverride )
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),
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common.require( '/VisibilityObjectFactoryFactory' ).fromEnvironment()
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)
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;
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/**
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* Restores warning handler to the default
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*/
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function restoreWarningHandler()
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{
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warn.setHandler( warn.handlers.log );
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}
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/**
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* If a non-virtual method is implicitly hidden (redefined without the 'new'
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* keyword), a warning should be provided. This will ensure that, should a
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* parent introduce a method that is already defined by a subtype, the
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* developer of the subtype is made aware of the issue.
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*/
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( function testThrowsWarningWhenHidingNonVirtualSuperMethod()
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{
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var thrown = false;
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// mock the warning handler to ensure a warning is thrown
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warn.setHandler( function( e )
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{
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thrown = true;
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assert.ok(
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( e.message.search( 'foo' ) !== -1 ),
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"Non-virtual method hiding warning should contain method name"
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);
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} );
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var Foo = builder.build(
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{
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// non-virtual method
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'public foo': function() {},
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} );
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// implicitly hide the non-virtual method
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builder.build( Foo,
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{
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'public foo': function() {},
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} );
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assert.equal( thrown, true,
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"No warning for implicit non-virtual hiding was thrown"
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);
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} )();
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/**
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* Same concept as above. The API of the supertype could just as easily be
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* changed to include a virtual method that has already been implemented by the
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* subtype. The default behavior is to hide the method of the supertype.
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*/
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( function testThrowsWarningWhenHidingVirtualSuperMethod()
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{
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var thrown = false;
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// mock the warning handler to ensure a warning is thrown
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warn.setHandler( function( e )
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{
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thrown = true;
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assert.ok(
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( e.message.search( 'foo' ) !== -1 ),
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"Virtual method hiding warning should contain method name"
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);
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} );
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var Foo = builder.build(
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{
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'virtual public foo': function() {},
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} );
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// implicitly hide the virtual method
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builder.build( Foo,
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{
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'public foo': function() {},
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} );
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assert.equal( thrown, true,
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"No warning for implicit virtual hiding was thrown"
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);
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} )();
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// important, otherwise tests in combined file may fail
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restoreWarningHandler();
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