138 lines
3.8 KiB
JavaScript
138 lines
3.8 KiB
JavaScript
/**
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* Test case for Cascading store
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*
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* Copyright (C) 2016 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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"use strict";
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var store = require( '../../' ).store,
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chai = require( 'chai' ),
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expect = chai.expect,
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Store = store.MemoryStore,
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Sut = store.Cascading;
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chai.use( require( 'chai-as-promised' ) );
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describe( 'store.Cascading', () =>
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{
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describe( '#add', () =>
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{
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it( 'does not allow attaching non-store objects', () =>
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{
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expect( Store.use( Sut )().add( 'invalid', {} ) )
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.to.be.rejectedWith( TypeError );
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} );
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it( 'allows attaching Store objects', () =>
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{
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return Store.use( Sut )().add( 'valid', Store() );
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} );
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} );
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describe( '#clear', () =>
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{
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it( 'invokes #clear on all contained stores', () =>
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{
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const cleared = [];
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const MockStore = Store.extend(
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{
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'override clear'()
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{
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cleared.push( this.__inst );
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return Promise.resolve( true );
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}
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} );
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const stores = [ 1, 2, 3 ].map( () => MockStore() );
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const sut = Store.use( Sut )();
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stores.forEach( ( store, i ) => sut.add( i, store ) );
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// should trigger clear on all stores
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return sut.clear()
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.then( () =>
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{
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expect(
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stores.every( store =>
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cleared.some( item => item === store )
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)
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).to.be.true;
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} );
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} );
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it( 'does not clear self', () =>
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{
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const sut = Store.use( Sut )();
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const substore = Store();
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return sut.add( 'foo', substore )
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.then( () => sut.clear() )
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.then( () => {
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return expect( sut.get( 'foo' ) )
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.to.eventually.equal( substore )
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} );
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} );
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[
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[ [ true, true, true ], true ],
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[ [ true, true, false ], false ],
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[ [ false, true, true ], false ],
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[ [ false, false, false ], false ],
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].forEach( testdata =>
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{
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let clears = testdata[ 0 ],
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expected = testdata[ 1 ];
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it( 'fails if any store fails to clear', () =>
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{
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let StubStore = Store.extend(
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{
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_result: false,
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__construct( result )
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{
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this._result = result;
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},
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'override clear'()
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{
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return Promise.resolve( this._result );
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},
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} );
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let sut = Store.use( Sut )();
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clears.forEach( ( result, i ) =>
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{
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sut.add( i, StubStore( result ) );
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} );
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return sut.clear()
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.then( result => expect( result ).to.equal( expected ) );
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} );
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} );
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} );
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} ); |