import { renderComponent, expect } from '../test_helper';
import App from '../../src/components/app';

describe('App', () => {
  it('shows correct text', () => {
    const component = renderComponent(App);
    expect(component).to.contain('React simple starter');
  });
});

describe('CommentBox', () => {
  let component;
  beforeEach( () => {
    component = renderComponent(CommentBox);
  });

  it('has a text area', () => {
    expect(component.find('textarea')).to.exist;
  });
  it('has a button', () => {
    expect(component.find('button')).to.exist;

  });
  it('has a class', () => {
    expect(component).to.have.class('comment-box');
  });
});

import { expect } from '../test_helper';
import { SAVE_COMMENT } from '../../src/actions/types';
import commentReducer from '../../src/reducers/comments';

describe('Comments Reducer', () => {
  it('handles action with uknown type', () => {
    expect(commentReducer(undefined, {})).to.be.instanceof(Array);
    expect(commentReducer(undefined, {})).to.eql([]);
  });

  it('handles action of type SAVE_COMMENT', () => {
    const action = {
      type: SAVE_COMMENT,
      payload: 'new comment'
    };
    expect(commentReducer([], action)).to.eql(['new comment']);
  });
});

import { expect } from '../test_helper';
import { SAVE_COMMENT } from '../../src/actions/types';
import { saveComment } from '../../src/actions';

describe('actions', () => {
  describe('saveComment', () => {
    it('has the correct type', () => {
      const action = saveComment();
      expect(action.type).to.equal(SAVE_COMMENT);
    });
    it('has correct payload', () => {
      const action = saveComment('new comment');
      expect(action.payload).to.equal('new comment');
    });
  });
});