text: import React from "react";
  import { ModerationReviewBanner } from "./ModerationReviewBanner";
  import { render, fireEvent } from "@testing-library/react";
  
  const VERIFIED_ICON_SELECTOR = ".Icon-verified";
  const CLOSE_ICON_SELECTOR = ".Icon-close";
  
  const moderationReview = {
    status: "verified",
    moderator_id: 1,
    created_at: Date.now(),
  };
  const moderator = { id: 1, common_name: "Foo" };
  const currentUser = { id: 2, common_name: "Bar" };
  
  describe("ModerationReviewBanner", () => {
    it("should show text concerning the given review", () => {
      const { getByText } = render(
        <ModerationReviewBanner
          moderationReview={moderationReview}
          user={moderator}
          currentUser={currentUser}
        />,
      );
      expect(getByText("Foo verified this")).toBeTruthy();
    });
  
    describe("when not provided an onRemove prop", () => {
      let getByRole;
      let container;
      beforeEach(() => {
        const wrapper = render(
          <ModerationReviewBanner
            moderationReview={moderationReview}
            user={moderator}
            currentUser={currentUser}
          />,
        );
  
        getByRole = wrapper.getByRole;
        container = wrapper.container;
      });
  
      it("should render a status icon, not a button", () => {
        expect(() => getByRole("button")).toThrow();
      });
  
      it("should render with the icon relevant to the review's status", () => {
        expect(container.querySelector(VERIFIED_ICON_SELECTOR)).toBeTruthy();
      });
    });
  
    describe("when provided an onRemove callback prop", () => {
      let onRemove;
      let container;
      let getByRole;
      beforeEach(() => {
        onRemove = jest.fn();
        const wrapper = render(
          <ModerationReviewBanner
            moderationReview={moderationReview}
            user={moderator}
            currentUser={currentUser}
            onRemove={onRemove}
          />,
        );
  
        container = wrapper.container;
        getByRole = wrapper.getByRole;
      });
  
      it("should render a button", () => {
        expect(getByRole("button")).toBeTruthy();
      });
  
      it("should render the button with the icon relevant to the review's status", () => {
        expect(container.querySelector(VERIFIED_ICON_SELECTOR)).toBeTruthy();
      });
  
      it("should render the button as a close icon when the user is hovering their mouse over the banner", () => {
        const banner = container.firstChild;
        fireEvent.mouseEnter(banner);
        expect(container.querySelector(CLOSE_ICON_SELECTOR)).toBeTruthy();
        fireEvent.mouseLeave(banner);
        expect(container.querySelector(VERIFIED_ICON_SELECTOR)).toBeTruthy();
      });
  
      it("should render the button as a close icon when the user focuses the button", () => {
        fireEvent.focus(getByRole("button"));
        expect(container.querySelector(CLOSE_ICON_SELECTOR)).toBeTruthy();
        fireEvent.blur(getByRole("button"));
        expect(container.querySelector(VERIFIED_ICON_SELECTOR)).toBeTruthy();
      });
  
      it("should render the button as a close icon when focused, even when the mouse leaves the banner", () => {
        const banner = container.firstChild;
        fireEvent.mouseEnter(banner);
        fireEvent.focus(getByRole("button"));
        expect(container.querySelector(CLOSE_ICON_SELECTOR)).toBeTruthy();
        fireEvent.mouseLeave(banner);
        expect(container.querySelector(CLOSE_ICON_SELECTOR)).toBeTruthy();
      });
    });
  });
  