MetaPhase-Consulting/State-TalentMAP

import { shallow } from 'enzyme';
import toJSON from 'enzyme-to-json';
import TotalResults from './TotalResults';

describe('TotalResults', () => {
  describe('beginning and through not equal', () => {
    let wrapper = null;

    const total = 103;
    const pageNumber = 1;
    const pageSize = 25;

    const applyViewText = (beginning, through, totalNum) => `Viewing ${beginning}-${through} of ${totalNum} Results`;

    it('is defined', () => {
      wrapper = shallow(
        <TotalResults total={total} pageNumber={1} pageSize={0} />,
      );
      expect(wrapper).toBeDefined();
    });

    it('matches snapshot', () => {
      wrapper = shallow(
        <TotalResults total={total} pageNumber={1} pageSize={0} />,
      );
      expect(toJSON(wrapper)).toMatchSnapshot();
    });

    it('displays page numbers and total results correctly when on the first page of the results', () => {
      wrapper = shallow(
        <TotalResults total={total} pageNumber={pageNumber} pageSize={pageSize} />,
      );
      expect(wrapper.find('#total-results').text()).toBe(applyViewText(1, 25, 103));
      expect(toJSON(wrapper)).toMatchSnapshot();
    });

    it('displays page numbers and total results correctly when on the second page of the results', () => {
      wrapper = shallow(
        <TotalResults total={total} pageNumber={pageNumber + 1} pageSize={pageSize} />,
      );
      expect(wrapper.find('#total-results').text()).toBe(applyViewText(26, 50, 103));
      expect(toJSON(wrapper)).toMatchSnapshot();
    });

    it('displays page numbers and total results correctly when on the third page of the results', () => {
      wrapper = shallow(
        <TotalResults total={total} pageNumber={pageNumber + 2} pageSize={pageSize} />,
      );
      expect(wrapper.find('#total-results').text()).toBe(applyViewText(51, 75, 103));
      expect(toJSON(wrapper)).toMatchSnapshot();
    });

    it('displays page numbers and total results correctly when reaching the second to last page of the results', () => {
      wrapper = shallow(
        <TotalResults total={total} pageNumber={pageNumber + 3} pageSize={pageSize} />,
      );
      expect(wrapper.find('#total-results').text()).toBe(applyViewText(76, 100, 103));
      expect(toJSON(wrapper)).toMatchSnapshot();
    });

    it('displays page numbers and total results correctly when reaching the last page of the results', () => {
      wrapper = shallow(
        <TotalResults total={total} pageNumber={pageNumber + 4} pageSize={pageSize} />,
      );
      expect(wrapper.find('#total-results').text()).toBe(applyViewText(101, 103, 103));
      expect(toJSON(wrapper)).toMatchSnapshot();
    });
  });

  describe('pageSize === all', () => {
    let wrapper = null;

    const total = 93;
    const pageNumber = 1;
    const pageSize = 'all';

    const applyViewText = (totalNum) => `Viewing ${totalNum} Results`;

    it('is defined', () => {
      wrapper = shallow(
        <TotalResults total={total} pageNumber={1} pageSize={0} />,
      );
      expect(wrapper).toBeDefined();
    });

    it('matches snapshot', () => {
      wrapper = shallow(
        <TotalResults total={total} pageNumber={1} pageSize={0} />,
      );
      expect(toJSON(wrapper)).toMatchSnapshot();
    });

    it('displays page numbers and total results correctly when on the first page of the results', () => {
      wrapper = shallow(
        <TotalResults total={total} pageNumber={pageNumber} pageSize={pageSize} />,
      );
      expect(wrapper.find('#total-results').text()).toBe(applyViewText(93));
      expect(toJSON(wrapper)).toMatchSnapshot();
    });
  });
});