@theia/core/src/browser/storage-service.spec.ts

Theia is a cloud & desktop IDE framework implemented in TypeScript.

// *****************************************************************************
// Copyright (C) 2017 TypeFox and others.
//
// This program and the accompanying materials are made available under the
// terms of the Eclipse Public License v. 2.0 which is available at
// http://www.eclipse.org/legal/epl-2.0.
//
// This Source Code may also be made available under the following Secondary
// Licenses when the conditions for such availability set forth in the Eclipse
// Public License v. 2.0 are satisfied: GNU General Public License, version 2
// with the GNU Classpath Exception which is available at
// https://www.gnu.org/software/classpath/license.html.
//
// SPDX-License-Identifier: EPL-2.0 OR GPL-2.0-only WITH Classpath-exception-2.0
// *****************************************************************************

import { Container } from 'inversify';
import { WindowService } from './window/window-service';
import { MockWindowService } from './window/test/mock-window-service';
import { LocalStorageService, StorageService } from './storage-service';
import { expect } from 'chai';
import { ILogger } from '../common/logger';
import { MockLogger } from '../common/test/mock-logger';
import * as sinon from 'sinon';
import { MessageService, MessageClient } from '../common/';

let storageService: StorageService;

before(() => {
    const testContainer = new Container();
    testContainer.bind(ILogger).toDynamicValue(ctx => {
        const logger = new MockLogger();
        /* Note this is not really needed but here we could just use the
        MockLogger since it does what we need but this is there as a demo of
        sinon for other uses-cases. We can remove this once this technique is
        more generally used. */
        sinon.stub(logger, 'warn').callsFake(async () => { });
        return logger;
    });
    testContainer.bind(StorageService).to(LocalStorageService).inSingletonScope();
    testContainer.bind(WindowService).to(MockWindowService).inSingletonScope();
    testContainer.bind(LocalStorageService).toSelf().inSingletonScope();

    testContainer.bind(MessageClient).toSelf().inSingletonScope();
    testContainer.bind(MessageService).toSelf().inSingletonScope();

    storageService = testContainer.get(StorageService);
});

describe('storage-service', () => {

    it('stores data', async () => {
        storageService.setData('foo', {
            test: 'foo'
        });
        expect(await storageService.getData('bar', 'bar')).equals('bar');
        expect((await storageService.getData('foo', {
            test: 'bar'
        })).test).equals('foo');
    });

    it('removes data', async () => {
        storageService.setData('foo', {
            test: 'foo'
        });
        expect((await storageService.getData('foo', {
            test: 'bar'
        })).test).equals('foo');

        storageService.setData('foo', undefined);
        expect((await storageService.getData('foo', {
            test: 'bar'
        })).test).equals('bar');
    });

});