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easejs/test/MethodWrapperFactoryTest.js

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/**
* Tests MethodWrapperFactory prototype
*
* Copyright (C) 2011, 2012, 2013 Mike Gerwitz
*
* This file is part of ease.js.
*
* ease.js is free software: you can redistribute it and/or modify it under the
* terms of the GNU General Public License as published by the Free Software
* Foundation, either version 3 of the License, or (at your option) any later
* version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program. If not, see <http://www.gnu.org/licenses/>.
*
* @author Mike Gerwitz
*/
require( 'common' ).testCase(
{
caseSetUp: function()
{
this.Sut = this.require( 'MethodWrapperFactory' );
},
/**
* To keep with the spirit of ease.js, we should be able to instantiate
* MethodWrapperFactory both with and without the 'new' keyword
*
* Consistency is key with these sorts of things.
*/
'Can instantiate with and without new keyword': function()
{
// with 'new' keyword
this.assertOk(
( new this.Sut() ) instanceof this.Sut,
"Should be able to instantiate MethodWrapperFactory with " +
"'new' keyword"
);
// without 'new' keyword
this.assertOk( ( this.Sut() instanceof this.Sut ),
"Should be able to instantiate MethodWrapperFactory " +
"without 'new' keyword"
);
},
/**
* The factory itself is rather simple. The class should accept a factory
* function which should return the wrapped method.
*/
'Provided factory function is properly called': function()
{
var _self = this,
called = false,
method = function() {},
super_method = function() {},
cid = 55,
getInst = function() {},
name = 'someMethod',
keywords = { 'static': true, 'public': true },
retval = 'foobar';
var result = this.Sut(
function(
given_method, given_super, given_cid, givenGetInst, given_name,
given_keywords
)
{
called = true;
_self.assertEqual( given_method, method,
"Factory method should be provided with method to wrap"
);
_self.assertEqual( given_super, super_method,
"Factory method should be provided with super method"
);
_self.assertEqual( given_cid, cid,
"Factory method should be provided with cid"
);
_self.assertEqual( givenGetInst, getInst,
"Factory method should be provided with proper inst function"
);
_self.assertEqual( given_name, name,
"Factory method should be provided with proper method name"
);
_self.assertEqual( given_keywords, keywords,
"Factory method should be provided with proper keywords"
);
return retval;
}
).wrapMethod( method, super_method, cid, getInst, name, keywords );
// we'll include this in addition to the following assertion (which is
// redundant) to make debugging more clear
this.assertEqual( called, true,
"Given factory method should be called"
);
this.assertEqual( result, retval,
"Should return value from factory function"
);
},
} );