import MockTabPresenter from "../../mock/MockTabPresenter"; import SelectPreviousSelectedTabOperator from "../../../../src/background/operators/impls/SelectPreviousSelectedTabOperator"; describe("SelectPreviousSelectedTabOperator", () => { describe("#run", () => { it("select the last-selected tab", async () => { const tabPresenter = new MockTabPresenter(); await tabPresenter.create("https://example.com/1", { active: false }); await tabPresenter.create("https://example.com/2", { active: true }); await tabPresenter.create("https://example.com/3", { active: false }); jest.spyOn(tabPresenter, "getLastSelectedId").mockResolvedValue(0); const sut = new SelectPreviousSelectedTabOperator(tabPresenter); await sut.run(); const url = (await tabPresenter.getCurrent()).url; expect(url).toEqual("https://example.com/1"); }); it("do nothing if no last-selected tabs", async () => { const tabPresenter = new MockTabPresenter(); await tabPresenter.create("https://example.com/1", { active: false }); await tabPresenter.create("https://example.com/2", { active: true }); await tabPresenter.create("https://example.com/3", { active: false }); jest .spyOn(tabPresenter, "getLastSelectedId") .mockResolvedValue(undefined); const selectSpy = jest.spyOn(tabPresenter, "select"); const sut = new SelectPreviousSelectedTabOperator(tabPresenter); await sut.run(); expect(selectSpy).not.toBeCalled(); }); }); });