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liza/test/store/AutoObjectStoreTest.js

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/**
* Tests AutoObjectStore
*
* Copyright (C) 2010-2019 R-T Specialty, LLC.
*
* This file is part of the Liza Data Collection Framework.
*
* liza is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
'use strict';
const chai = require( 'chai' );
const expect = chai.expect;
chai.use( require( 'chai-as-promised' ) );
const {
AutoObjectStore: Sut,
MemoryStore: Store,
} = require( '../../' ).store;
describe( 'AutoObjectStore', () =>
{
describe( "given an object value", () =>
{
it( "applies given ctor to objects", () =>
{
const obj = Store();
const dummy_ctor = () => obj;
const sut = Store.use( Sut( dummy_ctor ) )();
const foo = sut
.add( 'foo', {} )
.then( _ => sut.get( 'foo' ) );
return expect( foo )
.to.eventually.deep.equal( obj );
} );
it( "adds object values to new store", () =>
{
const obj = { bar: "baz" };
const sut = Store.use( Sut( Store ) )();
const bar = sut
.add( 'foo', obj )
.then( _ => sut.get( 'foo' ) )
.then( substore => substore.get( 'bar' ) );
return expect( bar ).to.eventually.equal( obj.bar );
} );
it( "caches sub-store until key changes", () =>
{
const obj = {};
const sut = Store.use( Sut( Store ) )();
return sut
.add( 'foo', {} )
.then( _ => sut.get( 'foo' ) )
.then( store1 =>
expect( sut.get( 'foo' ) ).to.eventually.equal( store1 )
.then( _ => sut.add( 'foo', "new" ) )
.then( _ => sut.get( 'foo' ) )
.then( store2 =>
expect( store2 ).to.not.equal( store1 )
)
);
} );
} );
it( "leaves non-objects untouched", () =>
{
const expected = "bar";
const sut = Store.use( Sut( () => null ) )();
const foo = sut
.add( 'foo', expected )
.then( _ => sut.get( 'foo' ) );
return expect( foo ).to.eventually.equal( expected );
} );
// includes class instances, since easejs generates prototypes
it( "leaves prototype instances untouched", () =>
{
const expected = ( new function() {} );
const sut = Store.use( Sut( () => null ) )();
const foo = sut
.add( 'foo', expected )
.then( _ => sut.get( 'foo' ) );
return expect( foo ).to.eventually.equal( expected );
} );
} );