Vim-Vixen/test/content/usecases/AddonEnabledUseCase.test.ts

import AddonEnabledRepository from '../../../src/content/repositories/AddonEnabledRepository';
import AddonEnabledUseCase from '../../../src/content/usecases/AddonEnabledUseCase';
import AddonIndicatorClient from '../../../src/content/client/AddonIndicatorClient';
import { expect } from 'chai';

class MockAddonEnabledRepository implements AddonEnabledRepository {
  private enabled: boolean;

  constructor(init: boolean) {
    this.enabled = init;
  }

  set(on: boolean): void {
    this.enabled = on;
  }

  get(): boolean {
    return this.enabled;
  }
}

class MockAddonIndicatorClient implements AddonIndicatorClient {
  public enabled: boolean;

  constructor(init: boolean) {
    this.enabled = init;
  }

  async setEnabled(enabled: boolean): Promise<void> {
    this.enabled = enabled;
    return
  }
}

describe('AddonEnabledUseCase', () => {
  let repository: MockAddonEnabledRepository;
  let indicator: MockAddonIndicatorClient;
  let sut: AddonEnabledUseCase;

  beforeEach(() => {
    repository = new MockAddonEnabledRepository(true);
    indicator = new MockAddonIndicatorClient(false);
    sut = new AddonEnabledUseCase(indicator, repository);
  });

  describe('#enable', () => {
    it('store and indicate as enabled', async() => {
      await sut.enable();

      expect(repository.get()).to.be.true;
      expect(indicator.enabled).to.be.true;
    });
  });

  describe('#disable', async() => {
    it('store and indicate as disabled', async() => {
      await sut.disable();

      expect(repository.get()).to.be.false;
      expect(indicator.enabled).to.be.false;
    });
  });

  describe('#toggle', () => {
    it('toggled enabled and disabled', async() => {
      repository.set(true);
      await sut.toggle();

      expect(repository.get()).to.be.false;
      expect(indicator.enabled).to.be.false;

      repository.set(false);

      await sut.toggle();

      expect(repository.get()).to.be.true;
      expect(indicator.enabled).to.be.true;
    });
  });

  describe('#getEnabled', () => {
    it('returns current addon enabled', () => {
      repository.set(true);
      expect(sut.getEnabled()).to.be.true;

      repository.set(false);
      expect(sut.getEnabled()).to.be.false;
    });
  });
});