@mic-rexjs/usecases-react/es/hooks/useContext/index.test.js

React-based solution for use usecases of Clean Architecture

import { useContext } from '.';
import { describe, expect, test } from '@jest/globals';
import { renderHook } from '@testing-library/react';
import { useContext as useReactContext } from 'react';
import { ArgumentTypes } from '../../enums/ArgumentTypes';
const testUseCase = () => {
  return {};
};
describe('useContext', () => {
  test('should return the default context with value `null` if map has not saved a usecase with default args', () => {
    const _renderHook = renderHook(() => {
        const context = useContext(testUseCase);
        const value = useReactContext(context);
        return value;
      }),
      result = _renderHook.result;
    const current = result.current;
    expect(current).toBe(null);
  });
  test('should return the default context with value `null` if map has not saved a usecase with `ArgumentTypes.None` & `UseCaseModes.Normal`', () => {
    const _renderHook2 = renderHook(() => {
        const context = useContext(testUseCase, ArgumentTypes.None);
        const value = useReactContext(context);
        return value;
      }),
      result = _renderHook2.result;
    const current = result.current;
    expect(current).toBe(null);
  });
  test('should return the default context with value `null` as unmount this hook', () => {
    const _renderHook3 = renderHook(() => {
        const context = useContext(testUseCase, ArgumentTypes.None);
        const value = useReactContext(context);
        return value;
      }),
      result1 = _renderHook3.result,
      unmount1 = _renderHook3.unmount;
    const current1 = result1.current;
    expect(typeof current1).toBe('object');
    unmount1();
    const _renderHook4 = renderHook(() => {
        const context = useContext(testUseCase, ArgumentTypes.None);
        const value = useReactContext(context);
        return value;
      }),
      result2 = _renderHook4.result;
    const current2 = result2.current;
    expect(current2).toBe(null);
  });
  test('should return a new context if map has not saved a usecase with `ArgumentTypes.Entity` & `UseCaseModes.Normal`', () => {
    const _renderHook5 = renderHook(() => {
        return useContext(testUseCase, ArgumentTypes.Entity);
      }),
      result = _renderHook5.result;
    const current = result.current;
    expect(typeof current).toBe('object');
  });
});