147 lines
3.8 KiB
JavaScript
147 lines
3.8 KiB
JavaScript
/**
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* Test case for FieldVisibilityEventHandler
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*
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* Copyright (C) 2017 LoVullo Associates, Inc.
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*
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* This file is part of the Liza Data Collection Framework
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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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const event = require( '../../' ).event;
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const expect = require( 'chai' ).expect;
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const Class = require( 'easejs' ).Class;
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const {
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FieldVisibilityEventHandler: Sut,
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UnknownEventError
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} = event;
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describe( 'FieldVisibilityEventHandler', () =>
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{
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it( 'shows/hides each element index', done =>
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{
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const name = 'field_name';
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const shown = { [name]: [] };
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const hidden = { [name]: [] };
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const sut = Sut(
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createMockStepUi(
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name,
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( field, index ) => shown[ field ].push( index ),
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( field, index ) => hidden[ field ].push( index )
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),
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createStubDataProvider()
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);
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// purposefully sparse indexes
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const show_indexes = [ 2, 4, ];
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const hide_indexes = [ 0, 3, ];
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const show_data = {
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elementName: name,
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indexes: show_indexes,
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};
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const hide_data = {
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elementName: name,
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indexes: hide_indexes,
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};
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sut.handle( 'show', () =>
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{
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// implicitly ensures proper name is passed
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expect( shown[ name ] ).to.deep.equal( show_indexes );
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sut.handle( 'hide', () =>
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{
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expect( hidden[ name ] ).to.deep.equal( hide_indexes );
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done();
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}, hide_data );
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}, show_data );
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} );
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it( 'throws error given unknown event', () =>
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{
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expect( () =>
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{
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Sut( createMockStepUi() ).handle( 'unknown', () => {}, {} );
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} ).to.throw( UnknownEventError );
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} );
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it( 'ignores unknown groups', done =>
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{
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expect( () =>
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{
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Sut( {
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getCurrentStep: () => ( { getElementGroup: () => null } )
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} ).handle( 'hide', done, {} )
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} ).to.not.throw( Error );
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} );
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it( 'clears failures on hidden fields', done =>
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{
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const name = 'foo_bar';
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const fail_indexes = [ 0, 3 ];
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const hide_data = {
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elementName: name,
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indexes: fail_indexes,
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};
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Sut(
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createMockStepUi( name, () => {}, () => {} ),
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createStubDataProvider( failures =>
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{
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expect( failures )
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.to.deep.equal( { [name]: fail_indexes } );
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// we don't care about the rest of the processing at this
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// point
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done();
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} )
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).handle( 'hide', () => {}, hide_data );
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} );
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} );
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function createMockStepUi( expected_name, showf, hidef )
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{
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return {
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getCurrentStep: () => ( {
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getElementGroup( field_name )
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{
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expect( field_name ).to.equal( expected_name );
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return {
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showField: showf,
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hideField: hidef,
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};
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}
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} ),
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};
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}
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function createStubDataProvider( fail_callback )
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{
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return {
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clearFailures: fail_callback || () => {},
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};
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}
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