test/background/operators/impls/ShowBufferCommandOperator.test.ts


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import ShowBufferCommandOperator from "../../../../src/background/operators/impls/ShowBufferCommandOperator";
import MockTabPresenter from "../../mock/MockTabPresenter";
import MockConsoleClient from "../../mock/MockConsoleClient";

describe("ShowBufferCommandOperator", () => {
  describe("#run", () => {
    it("show command with buffer command", 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 });
      const consoleClient = new MockConsoleClient();
      const showCommandSpy = jest
        .spyOn(consoleClient, "showCommand")
        .mockReturnValue(Promise.resolve());

      const sut = new ShowBufferCommandOperator(tabPresenter, consoleClient);
      await sut.run();

      expect(showCommandSpy).toBeCalledWith(1, "buffer ");
    });
  });
});