80 lines
2.3 KiB
JavaScript
80 lines
2.3 KiB
JavaScript
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/**
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* Tests warning system implementation
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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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if ( typeof console === 'undefined' ) console = undefined;
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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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// XXX: this uses global state; remove that requirement.
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this.Sut = this.require( 'warn' );
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},
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/**
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* The default warning handler should be the 'log' handler; this is a
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* friendly compromise that will allow the developer to be warned of
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* potential issues without affecting program execution.
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*/
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'Default warning handler is `log\'': function()
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{
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var called = false;
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// stub it
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this.Sut.setConsole( {
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warn: function()
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{
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called = true;
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},
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} );
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this.Sut.handle( this.Sut.Warning( Error( 'foo' ) ) );
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this.assertOk( called );
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// restore console (TODO: this will not be necessary once reliance
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// on global state is removed)
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this.Sut.setConsole( console );
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},
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/**
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* The warning handler can be altered at runtime; ensure we can set it
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* and call it appropriately. We do not need to use one of the
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* pre-defined handlers.
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*/
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'Can set and call arbitrary warning handler': function()
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{
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var given,
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warning = this.Sut.Warning( Error( 'foo' ) );
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// set a stub warning handler
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this.Sut.setHandler( function( warn )
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{
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given = warn;
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} );
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// trigger the handler
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this.Sut.handle( warning );
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this.assertDeepEqual( given, warning );
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},
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} );
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