import React from "react";
import { renderHook } from "@testing-library/react-hooks";

import { TestWrapper } from "@test";

import { useCancelNotification } from "./";

describe("useCancelNotification Hook", () => {
    it("returns context correct value", async () => {
        const dispatch = jest.fn();
        const useReducerSpy = jest.spyOn(React, "useReducer");

        const mockNotificationState = [
            {
                id: "1",
                resource: "posts",
                seconds: 5000,
                isRunning: true,
            },
        ];
        useReducerSpy.mockImplementation(() => [
            mockNotificationState,
            dispatch,
        ]);

        const { result } = renderHook(() => useCancelNotification(), {
            wrapper: TestWrapper({
                resources: [{ name: "posts" }],
            }),
        });

        expect(result.current.notifications).toEqual(mockNotificationState);
    });

    it("returns context false value", async () => {
        const dispatch = jest.fn();
        const useReducerSpy = jest.spyOn(React, "useReducer");

        const mockNotificationState = [
            {
                id: "1",
                resource: "posts",
                seconds: 5000,
                isRunning: true,
            },
        ];
        useReducerSpy.mockImplementation(() => [[], dispatch]);

        const { result } = renderHook(() => useCancelNotification(), {
            wrapper: TestWrapper({
                resources: [{ name: "posts" }],
            }),
        });

        expect(result.current.notifications).not.toEqual(mockNotificationState);
    });

    it("context dispatch not called", async () => {
        const dispatch = jest.fn();
        const useReducerSpy = jest.spyOn(React, "useReducer");

        useReducerSpy.mockImplementation(() => [[], dispatch]);

        renderHook(() => useCancelNotification(), {
            wrapper: TestWrapper({
                resources: [{ name: "posts" }],
            }),
        });

        expect(dispatch).not.toBeCalled();
    });

    it("context dispatch called", async () => {
        const dispatch = jest.fn();
        const useReducerSpy = jest.spyOn(React, "useReducer");

        useReducerSpy.mockImplementation(() => [[], dispatch]);

        const { result } = renderHook(() => useCancelNotification(), {
            wrapper: TestWrapper({
                resources: [{ name: "posts" }],
            }),
        });

        result.current.notificationDispatch({});

        expect(dispatch).toBeCalled();
    });
});