125 lines
3.6 KiB
JavaScript
125 lines
3.6 KiB
JavaScript
/**
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* Test pattern-based validator-formatter
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*
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* Copyright (C) 2010-2019 R-T Specialty, LLC.
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*
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* This file is part of liza.
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*
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* liza 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 liza = require( '../../../' ),
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Sut = liza.validate.formatter.PatternFormatter,
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VFmt = liza.validate.ValidatorFormatter,
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Class = require( 'easejs' ).Class,
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expect = require( 'chai' ).expect,
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assert = require( 'assert' ),
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dfn = [
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/^kitten/, '$&s',
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/^[a-z]+/, 'Foo',
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/^[0-9]([0-9]+)/, '$1',
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];
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describe( 'PatternFormatter', function()
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{
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it( 'is a ValidatorFormatter', function()
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{
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expect( Class.isA( VFmt, createSut( [] ) ) )
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.to.be.true;
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} );
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describe( '#parse', function()
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{
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it( 'formats string according to given definition', function()
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{
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var sut = createSut( dfn );
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// this first test also ensures that the very first match
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// in dfn takes precedence
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[
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[ 'kitten', 'kittens' ],
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[ 'abcd', 'Foo' ],
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[ '0123', '123' ],
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].forEach( function( test )
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{
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assert.equal( sut.parse( test[ 0 ] ), test[ 1 ] );
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} );
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} );
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// validation error
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it( 'throws an exception if no match is found', function()
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{
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assert.throws( function()
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{
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// cannot possibly match anything
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createSut( [] ).parse( 'foo' );
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}, Error );
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} );
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/**
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* To support complex logic that may be difficult to express
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* (or not worth expressing due to verbosity required with JS's
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* regex impl.), we permit throwing an exception in a
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* replacement function to result in the equivalent of "no
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* match".
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*/
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it( 'yields no match given exception during replacement', function()
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{
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var val = 'bar',
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sut = createSut( [
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/^fo/, function() { throw Error( 'ignore me' ); },
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/^foo/, val,
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] );
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assert.equal( val, sut.parse( 'foo' ),
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"Should ignore matches that throw exceptions"
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);
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} );
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} );
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describe( '#retrieve', function()
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{
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it( 'retrieval does not format data by default', function()
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{
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var str = 'foo';
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assert.equal( createSut( [] ).retrieve( str ), str );
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} );
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it( 'formats return data according to given definition', function()
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{
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// the dfn is technically not required, but for the sake
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// of a "proper" demonstration, it will be included
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var dfn = [ [ /-/, '' ] ],
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retdfn = [ /[a-z]/g, '$&-' ];
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assert.equal(
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createSut( dfn, retdfn ).retrieve( 'foo' ),
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'f-o-o-'
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);
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} );
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} );
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} );
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function createSut( dfn, retdfn )
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{
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return Sut( dfn, retdfn );
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}
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