wehub-resource-sync
98 lines
3.2 KiB
TypeScript
98 lines
3.2 KiB
TypeScript
/*
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* Copyright 2017 balena.io
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import { expect } from 'chai';
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import { stub } from 'sinon';
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import * as settings from '../../../lib/gui/app/models/settings';
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async function checkError(promise: Promise<any>, fn: (err: Error) => any) {
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try {
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await promise;
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} catch (error: any) {
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await fn(error);
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return;
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}
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throw new Error('Expected error was not thrown');
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}
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describe('Browser: settings', () => {
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it('should be able to set and read values', async () => {
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expect(await settings.get('foo')).to.be.undefined;
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await settings.set('foo', true);
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expect(await settings.get('foo')).to.be.true;
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await settings.set('foo', false);
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expect(await settings.get('foo')).to.be.false;
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});
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describe('.set()', () => {
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it('should not change the application state if storing to the local machine results in an error', async () => {
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await settings.set('foo', 'bar');
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expect(await settings.get('foo')).to.equal('bar');
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const writeConfigFileStub = stub();
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writeConfigFileStub.returns(Promise.reject(new Error('settings error')));
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const promise = settings.set('foo', 'baz', writeConfigFileStub);
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await checkError(promise, async (error) => {
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expect(error).to.be.an.instanceof(Error);
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expect(error.message).to.equal('settings error');
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expect(await settings.get('foo')).to.equal('bar');
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});
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});
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});
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describe('.set()', () => {
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it('should set an unknown key', async () => {
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expect(await settings.get('foobar')).to.be.undefined;
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await settings.set('foobar', true);
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expect(await settings.get('foobar')).to.be.true;
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});
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it('should set the key to undefined if no value', async () => {
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await settings.set('foo', 'bar');
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expect(await settings.get('foo')).to.equal('bar');
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await settings.set('foo', undefined);
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expect(await settings.get('foo')).to.be.undefined;
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});
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it('should store the setting to the local machine', async () => {
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const data = await settings.readAll();
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expect(data.foo).to.be.undefined;
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await settings.set('foo', 'bar');
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const data1 = await settings.readAll();
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expect(data1.foo).to.equal('bar');
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});
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it('should not change the application state if storing to the local machine results in an error', async () => {
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await settings.set('foo', 'bar');
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expect(await settings.get('foo')).to.equal('bar');
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const writeConfigFileStub = stub();
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writeConfigFileStub.returns(Promise.reject(new Error('settings error')));
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await checkError(
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settings.set('foo', 'baz', writeConfigFileStub),
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async (error) => {
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expect(error).to.be.an.instanceof(Error);
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expect(error.message).to.equal('settings error');
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expect(await settings.get('foo')).to.equal('bar');
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},
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);
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});
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});
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});
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