import { isParentFocusEqual } from "..";

describe("isParentFocusEqual", () => {
  const nextFocusUp = {} as unknown as TouchableAndroid;
  const nextFocusDown = {} as unknown as TouchableAndroid;
  const nextFocusRight = {} as unknown as TouchableAndroid;
  const nextFocusLeft = {} as unknown as TouchableAndroid;

  it("equals", () => {
    const prevParentFocus = {
      nextFocusUp,
      nextFocusDown,
      nextFocusRight: undefined,
      nextFocusLeft: undefined,
    };

    const nextParentFocus = {
      nextFocusUp,
      nextFocusDown,
      nextFocusRight: undefined,
      nextFocusLeft: undefined,
    };

    expect(isParentFocusEqual(prevParentFocus, nextParentFocus)).toBe(true);
  });

  it("equals", () => {
    const prevParentFocus = {
      nextFocusUp: undefined,
      nextFocusDown: undefined,
      nextFocusRight: undefined,
      nextFocusLeft: undefined,
    };

    const nextParentFocus = {
      nextFocusUp: undefined,
      nextFocusDown: undefined,
      nextFocusRight: undefined,
      nextFocusLeft: undefined,
    };

    expect(isParentFocusEqual(prevParentFocus, nextParentFocus)).toBe(true);
  });

  it("equals", () => {
    const prevParentFocus = {
      nextFocusUp: undefined,
      nextFocusDown: undefined,
      nextFocusRight: undefined,
      nextFocusLeft: null,
    };

    const nextParentFocus = {
      nextFocusUp: undefined,
      nextFocusDown: undefined,
      nextFocusRight: undefined,
      nextFocusLeft: null,
    };

    expect(isParentFocusEqual(prevParentFocus, nextParentFocus)).toBe(true);
  });

  it("not equals", () => {
    const prevParentFocus = {
      nextFocusUp,
      nextFocusDown,
      nextFocusRight: undefined,
      nextFocusLeft: undefined,
    };

    const nextParentFocus = {
      nextFocusUp,
      nextFocusDown,
      nextFocusRight,
      nextFocusLeft,
    };

    expect(isParentFocusEqual(prevParentFocus, nextParentFocus)).toBe(false);
  });

  it("not equals", () => {
    const prevParentFocus = {
      nextFocusUp,
      nextFocusDown,
      nextFocusRight,
      nextFocusLeft,
    };

    const nextParentFocus = {
      nextFocusUp,
      nextFocusDown,
      nextFocusRight: nextFocusLeft,
      nextFocusLeft: nextFocusRight,
    };

    expect(isParentFocusEqual(prevParentFocus, nextParentFocus)).toBe(false);
  });
});