import VersionRepository from 'background/repositories/Version'; describe("background/repositories/version", () => { let versionRepository; beforeEach(() => { versionRepository = new VersionRepository; }); describe('#get', () => { beforeEach(() => { return browser.storage.local.remove('version'); }); it('loads saved version', async() => { await browser.storage.local.set({ version: '1.2.3' }); let version = await this.versionRepository.get(); expect(version).to.equal('1.2.3'); }); it('returns undefined if no versions in storage', async() => { let version = await storage.load(); expect(version).to.be.a('undefined'); }); }); describe('#update', () => { it('saves version string', async() => { await versionRepository.update('2.3.4'); let { version } = await browser.storage.local.get('version'); expect(version).to.equal('2.3.4'); }); }); });