talk/tests/models/action.js

const Action = require('../../models/action');
const expect = require('chai').expect;

describe('models.Action', () => {
  let mockActions = [];

  beforeEach(() => Action.create([{
    action_type: 'flag',
    item_id: '123',
    item_type: 'comment',
    user_id: 'flagginguserid'
  }, {
    action_type: 'flag',
    item_id: '456',
    item_type: 'comment'
  }, {
    action_type: 'flag',
    item_id: '123',
    item_type: 'comment'
  }, {
    action_type: 'like',
    item_id: '123',
    item_type: 'comment'
  }]).then((actions) => {
    mockActions = actions;
  }));

  describe('#findById()', () => {
    it('should find an action by id', () => {
      return Action.findById(mockActions[0].id).then((result) => {
        expect(result).to.not.be.null;
        expect(result).to.have.property('action_type', 'flag');
      });
    });
  });

  describe('#findByItemIdArray()', () => {
    it('should find an array of actions from an array of item_ids', () => {
      return Action.findByItemIdArray(['123', '456']).then((result) => {
        expect(result).to.have.length(4);
      });
    });
  });

  describe('#getActionSummaries()', () => {
    it('should return properly formatted summaries from an array of item_ids', () => {
      return Action.getActionSummaries(['123', '789']).then((summaries) => {
        expect(summaries).to.have.length(2);

        expect(summaries).to.deep.include({
          action_type: 'like',
          count: 1,
          item_id: '123',
          item_type: 'comment',
          current_user: null
        });

        expect(summaries).to.deep.include({
          action_type: 'flag',
          count: 2,
          item_id: '123',
          item_type: 'comment',
          current_user: null
        });
      });
    });

    it('should include a current user when one is passed', () => {
      return Action
        .getActionSummaries(['123'], 'flagginguserid')
        .then((summaries) => {
          expect(summaries).to.have.length(2);

          let summary = summaries.find((s) => s.item_id === '123' && s.action_type === 'flag');

          expect(summary).to.not.be.undefined;
          expect(summary.current_user).to.not.be.null;
          expect(summary.current_user).to.have.property('item_id', '123');
          expect(summary.current_user).to.have.property('item_type', 'comment');
          expect(summary.current_user).to.have.property('user_id', 'flagginguserid');
          expect(summary.current_user).to.have.property('action_type', 'flag');
        });
    });

    it('should not include a current user when one is passed for a user that doesn\'t have an action', () => {
      return Action
        .getActionSummaries(['123'], 'flagginguserid2')
        .then((summaries) => {
          expect(summaries).to.have.length(2);

          summaries.forEach((summary) => {
            expect(summary).to.not.be.undefined;
            expect(summary).to.have.property('current_user', null);
          });
        });
    });
  });
});