homehub/packages/homehub_components/tests/FatalError.spec.js

import {BaseService, ServiceState} from '@bthlabs/homehub-core';
import {shallow} from 'enzyme';
import React from 'react';

import {FatalError} from 'src/FatalError';

class FakeService extends BaseService {
  static kind = 'FakeService';
  static widget = 'FakeWidget';
}

describe('src/FatalError', () => {
  let service = null;
  let serviceState = null;

  beforeEach(() => {
    service = new FakeService({
      instance: 'testing',
      characteristics: {},
    });
    serviceState = new ServiceState({
      error: {
        message: 'FIAL',
      },
    });
  });

  it('allows passing an arbitrary class name', () => {
    // Given
    const component = shallow(
      <FatalError
        className="test"
        service={service}
        serviceState={serviceState}
      />
    );

    // Then
    expect(component.hasClass('test')).toBe(true);
  });

  it('renders the service kind and instance', () => {
    // Given
    const component = shallow(
      <FatalError
        className="test"
        service={service}
        serviceState={serviceState}
      />
    );

    // When
    const code = component.find('code').at(0);

    // Then
    expect(code.text()).toEqual(`${service.kind}:${service.instance}`);
  });

  it('renders the error message', () => {
    // Given
    const component = shallow(
      <FatalError
        className="test"
        service={service}
        serviceState={serviceState}
      />
    );

    // When
    const code = component.find('code').at(1);

    // Then
    expect(code.text()).toEqual(serviceState.error().message);
  });
});