Moved test-interface-name into suite as Interface/TestName
Mike Gerwitz
parent
7b637db815
commit
a3baa99f1c
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@ -0,0 +1,251 @@
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/**
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* Tests interface naming
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*
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* Copyright (C) 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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require( 'common' ).testCase(
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{
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caseSetUp: function()
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{
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this.Sut = this.require( 'interface' );
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this.util = this.require( 'util' );
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},
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/**
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* Interfaces may be named by passing the name as the first argument to
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* the module
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*/
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'Interface accepts name': function()
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{
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var _self = this;
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this.assertDoesNotThrow( function()
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{
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var iface = _self.Sut( 'Foo', {} );
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_self.assertOk( _self.Sut.isInterface( iface ) );
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}, Error );
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},
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/**
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* The interface definition, which equates to the body of the interface,
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* must be an object
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*/
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'Named interface definition requires that definition be an object':
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function()
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{
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var name = 'Foo';
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try
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{
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this.Sut( name, 'Bar' );
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// if all goes well, we'll never get to this point
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this.assertFail(
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"Second argument to named interface must be the definition"
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);
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}
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catch ( e )
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{
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this.assertNotEqual(
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e.message.match( name ),
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null,
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"Interface definition argument count error string contains " +
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"interface name"
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);
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}
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},
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/**
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* Extraneous arguments likely indicate a misunderstanding of the API
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*/
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'Named interface definition is strict on argument count': function()
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{
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var name = 'Foo',
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args = [ name, {}, 'extra' ]
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;
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// we should be permitted only two arguments
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try
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{
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this.Sut.apply( null, args );
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// we should not get to this line (an exception should be thrown due to
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// too many arguments)
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assert.fail(
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"Should accept only two arguments when creating named interface"
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);
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}
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catch ( e )
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{
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var errstr = e.message;
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this.assertNotEqual(
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errstr.match( name ),
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null,
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"Named interface error should provide interface name"
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);
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this.assertNotEqual(
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errstr.match( args.length + ' given' ),
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null,
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"Named interface error should provide number of given arguments"
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);
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}
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},
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/**
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* By default, anonymous interfacees should simply state that they are a
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* interface when they are converted to a string
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*/
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'Converting anonymous interface to string yields generic string':
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function()
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{
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this.assertEqual(
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this.Sut( {} ).toString(),
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'[object Interface]'
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);
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},
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/**
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* If the interface is named, then the name should be presented when it
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* is converted to a string
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*/
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'Converting named interface to string yields string containing name':
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function()
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{
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var name = 'Foo';
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this.assertEqual(
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this.Sut( name, {} ).toString(),
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'[object Interface <' + name + '>]'
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);
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},
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/**
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* If an interface name is available, then error messages should use it
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* to aid the developer in finding its origin.
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*/
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'Declaration errors provide interface name if avaiable': function()
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{
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var Sut = this.Sut;
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var name = 'Foo',
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// functions used to cause the various errors
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tries = [
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// properties
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function()
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{
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Sut( name, { prop: 'str' } );
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},
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// methods
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function()
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{
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Sut( name, { method: function() {} } );
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},
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]
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;
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// if we have getter/setter support, add those to the tests
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if ( !( this.util.definePropertyFallback() ) )
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{
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// getter
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tries.push( function()
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{
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var obj = {};
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Object.defineProperty( obj, 'getter', {
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get: function() {},
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enumerable: true,
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} );
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Sut( name, obj );
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} );
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// setter
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tries.push( function()
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{
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var obj = {};
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Object.defineProperty( obj, 'setter', {
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set: function() {},
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enumerable: true,
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} );
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Sut( name, obj );
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} );
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}
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// gather the error strings
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var i = tries.length;
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while ( i-- )
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{
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try
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{
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// cause the error
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tries[ i ]();
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}
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catch ( e )
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{
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// ensure the error string contains the interface name
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this.assertNotEqual(
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e.message.match( name ),
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null,
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"Error contains interface name when available (" + i + ")"
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);
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return;
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}
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// we shouldn't get to this point...
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this.assertFail( "Expected error. Something's wrong: " + i );
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}
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},
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/**
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* When attempting to instantiate an interface, the error message should
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* contain its name, if available.
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*/
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'Interface name is included in instantiation error': function()
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{
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var name = 'Foo';
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try
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{
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// this should throw an exception (cannot instantiate interfaces)
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this.Sut( name )();
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// we should never get here
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this.assertFail( "Exception expected. There's a bug somewhere." );
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}
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catch ( e )
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{
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this.assertNotEqual(
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e.message.match( name ),
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null,
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"Interface name is included in instantiation error message"
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);
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}
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},
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} );
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@ -1,243 +0,0 @@
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/**
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* Tests interface naming
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*
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* Copyright (C) 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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Interface = common.require( 'interface' ),
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util = common.require( 'util' )
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;
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/**
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* Interfaces may be named by passing the name as the first argument to the
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* module
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*/
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( function testInterfaceAcceptsName()
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{
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assert.doesNotThrow( function()
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{
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var iface = Interface( 'Foo', {} );
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assert.equal(
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Interface.isInterface( iface ),
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true,
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"Interface defined with name is returned as a valid interface"
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);
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}, Error, "Interface accepts name" );
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} )();
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/**
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* The interface definition, which equates to the body of the interface, must be
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* an object
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*/
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( function testNamedInterfaceDefinitionRequiresThatDefinitionBeAnObject()
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{
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var name = 'Foo';
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try
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{
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Interface( name, 'Bar' );
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// if all goes well, we'll never get to this point
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assert.fail(
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"Second argument to named interface must be the definition"
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);
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}
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catch ( e )
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{
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assert.notEqual(
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e.message.match( name ),
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null,
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"Interface definition argument count error string contains " +
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"interface name"
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);
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}
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} )();
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/**
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* Extraneous arguments likely indicate a misunderstanding of the API
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*/
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( function testNamedInterfaceDefinitionIsStrictOnArgumentCount()
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{
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var name = 'Foo',
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args = [ name, {}, 'extra' ]
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;
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// we should be permitted only two arguments
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try
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{
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Interface.apply( null, args );
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// we should not get to this line (an exception should be thrown due to
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// too many arguments)
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assert.fail(
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"Should accept only two arguments when creating named interface"
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);
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}
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catch ( e )
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{
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var errstr = e.message;
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assert.notEqual(
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errstr.match( name ),
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null,
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"Named interface error should provide interface name"
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);
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assert.notEqual(
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errstr.match( args.length + ' given' ),
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null,
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"Named interface error should provide number of given arguments"
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);
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}
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} )();
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/**
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* By default, anonymous interfacees should simply state that they are a
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* interface when they are converted to a string
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*/
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( function testConvertingAnonymousInterfaceToStringYieldsInterfaceString()
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{
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assert.equal(
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Interface( {} ).toString(),
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'[object Interface]',
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"Converting anonymous interface to string yields interface string"
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);
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} )();
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/**
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* If the interface is named, then the name should be presented when it is
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* converted to a string
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*/
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( function testConvertingNamedInterfaceToStringYieldsInterfaceStringContainingName()
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{
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var name = 'Foo';
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assert.equal(
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Interface( name, {} ).toString(),
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'[object Interface <' + name + '>]',
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"Converting named interface to string yields string with name of " +
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"interface"
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);
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} )();
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( function testDeclarationErrorsProvideInterfaceNameIsAvailable()
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{
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var name = 'Foo',
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// functions used to cause the various errors
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tries = [
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// properties
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function()
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{
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Interface( name, { prop: 'str' } );
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},
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// methods
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function()
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{
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Interface( name, { method: function() {} } );
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},
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]
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;
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// if we have getter/setter support, add those to the tests
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if ( !( util.definePropertyFallback() ) )
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{
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// getter
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tries.push( function()
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{
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var obj = {};
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Object.defineProperty( obj, 'getter', {
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get: function() {},
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enumerable: true,
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} );
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Interface( name, obj );
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} );
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// setter
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tries.push( function()
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{
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var obj = {};
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Object.defineProperty( obj, 'setter', {
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set: function() {},
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enumerable: true,
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} );
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Interface( name, obj );
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} );
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}
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// gather the error strings
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var i = tries.length;
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while ( i-- )
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{
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try
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{
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// cause the error
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tries[ i ]();
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}
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catch ( e )
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{
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// ensure the error string contains the interface name
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assert.notEqual(
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e.message.match( name ),
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null,
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"Error contains interface name when available (" + i + ")"
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);
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return;
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}
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// we shouldn't get to this point...
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assert.fail( "Expected error. Something's wrong: " + i );
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}
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} )();
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( function testInterfaceNameIsIncludedInInstantiationError()
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{
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var name = 'Foo';
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try
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{
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// this should throw an exception (cannot instantiate interfaces)
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Interface( name )();
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// we should never get here
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assert.fail( "Exception expected. There's a bug somewhere." );
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}
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catch ( e )
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{
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assert.notEqual(
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e.message.match( name ),
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null,
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"Interface name is included in instantiation error message"
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);
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}
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} )();
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