habitica/website/client/tests/unit/components/challenges/challengeDetail.spec.js

import { shallowMount, createLocalVue } from '@vue/test-utils';
import ChallengeDetailComponent from '@/components/challenges/challengeDetail.vue';
import Store from '@/libs/store';

const localVue = createLocalVue();
localVue.use(Store);

describe('Challenge Detail', () => {
  let store;
  let wrapper;

  beforeEach(() => {
    store = new Store({
      state: {
        user: {
          data: {
            contributor: {
              admin: false,
            },
            challenges: [],
            stats: {
            },
            flags: {},
            preferences: {},
            party: {
              quest: {
              },
            },
          },
        },
      },
      actions: {
        'members:getChallengeMembers': () => {},
        'challenges:getChallenge': () => [
          {
            _id: '1', group: { name: '', type: '' }, memberCount: 1, name: '', summary: '', description: '', leader: '', price: 1,
          },
        ],
        'tasks:getChallengeTasks': () => [
          { _id: '1', type: 'habit' },
          { _id: '2', type: 'daily' },
          { _id: '3', type: 'reward' },
          { _id: '4', type: 'todo' },
        ],
        'common:setTitle': () => {},
      },
      getters: {
      },
    });
    wrapper = shallowMount(ChallengeDetailComponent, {
      store,
      localVue,
      mocks: {
        $t: string => string,
      },
    });
  });

  it('removes a destroyed task from task list', () => {
    const taskToRemove = { _id: '1', type: 'habit' };
    wrapper.vm.taskDestroyed(taskToRemove);
    expect(wrapper.vm.tasksByType[taskToRemove.type].length).to.eq(0);
  });
});