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easejs/test/MemberBuilderValidator/inc-common.js

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JavaScript

/**
* Shared functions for MemberBuilderValidator tests
*
* Copyright (C) 2010 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 Lesser 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 Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* @author Mike Gerwitz
* @package test
*/
/**
* Quickly tests for validation failures
*
* The following will be ensured by this assertion:
* - An exception must be thrown
* - The exception message must contain the name of the member
* - The exception message must contain the identifier string
*
* @param {string} name name expected in error string
* @param {string} identifier string to match in error message
*
* @param {function()} action function to invoke for test
*
* @return {undefined}
*/
exports.quickFailureTest = function( name, identifier, action )
{
var _self = this;
_self.incAssertCount();
try
{
action();
}
catch ( e )
{
// using the identifier, ensure the error string makes sense
_self.assertOk( ( e.message.search( identifier ) !== -1 ),
"Incorrect error; expected identifier '" + identifier +
"', but received: " + e.message
);
// to aid in debugging, the error message should contain the
// name of the method
_self.assertOk( ( e.message.search( name ) !== -1 ),
'Error message should contain method name'
);
return;
}
_self.fail( "Expected failure" );
};
/**
* Tests to ensure that a member with the given keywords fails validation with
* an error message partially matching the provided identifier
*
* To test overrides, specify keywords for 'prev'. To test for success instead
* of failure, set identifier to null.
*/
exports.quickKeywordTest = function( type, keywords, identifier, prev )
{
var keyword_obj = {},
prev_obj = {},
prev_data = {},
name = 'fooBar',
_self = this;
// convert our convenient array into a keyword obj
for ( var i = 0, len = keywords.length; i < len; i++ )
{
keyword_obj[ keywords[ i ] ] = true;
}
// if prev keywords were given, do the same thing with those to
// generate our keyword obj
if ( prev !== undefined )
{
for ( var i = 0, len = prev.length; i < len; i++ )
{
prev_obj[ prev[ i ] ] = true;
}
// define a dummy previous method value
prev_data = { member: function() {} };
}
var testfunc = function()
{
_self.sut[ type ](
name, function() {}, keyword_obj, prev_data, prev_obj
);
};
if ( identifier )
{
_self.quickFailureTest( name, identifier, testfunc );
}
else
{
_self.assertDoesNotThrow( testfunc, Error );
}
};