/*-
 * ============LICENSE_START=======================================================
 * ONAP CLAMP
 * ================================================================================
 * Copyright (C) 2019 AT&T Intellectual Property. All rights
 *                             reserved.
 * ================================================================================
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * ============LICENSE_END============================================
 * ===================================================================
 *
 */
import React from 'react';
import { shallow } from 'enzyme';
import ViewLoopTemplatesModal from './ViewLoopTemplatesModal';
import { mount } from 'enzyme';
import { BrowserRouter as Router } from 'react-router-dom';

describe('Verify ViewLoopTemplatesModal', () => {
  beforeEach(() => {
    fetch.resetMocks();
  });

  it('Test API Successful', () => {
    fetch.mockImplementationOnce(() => {
      return Promise.resolve({
        ok: true,
        status: 200,
        json: () => {
          return Promise.resolve({
            "index": "1",
            "name": "MTCA version 1",
            "modelService.serviceDetails.name": "MTCA",
            "allowedLoopType": "CLOSED",
            "maximumInstancesAllowed": 1,
            "updatedDate": "2019-09-06 19:09:42"
          });
        }
      });
    });
    const component = shallow(<ViewLoopTemplatesModal/>);
  });

  it('Test API Exception', () => {
    fetch.mockImplementationOnce(() => {
      return Promise.resolve({
        ok: false,
        status: 500,
        json: () => {
          return Promise.resolve({
            "index": "1",
            "name": "MTCA version 1",
            "modelService.serviceDetails.name": "MTCA",
            "allowedLoopType": "CLOSED",
            "maximumInstancesAllowed": 1,
            "updatedDate": "2019-09-06 19:09:42"
          });
        }
      });
    });
    const component = shallow(<ViewLoopTemplatesModal/>);
  });

  it('Test API Rejection', () => {
    const myMockFunc = fetch.mockImplementationOnce(() => Promise.reject('error'));
    setTimeout(() => myMockFunc().catch(e => {
        console.info(e);
      }),
      100
    );
    const component = shallow(<ViewLoopTemplatesModal/>);
    expect(myMockFunc.mock.calls.length).toBe(1);
  });

  it('Test the tosca model view render method', () => {
    fetch.mockImplementationOnce(() => {
      return Promise.resolve({
        ok: true,
        status: 200,
        json: () => {
          return Promise.resolve({
            "index": "1",
            "name": "MTCA version 1",
            "modelService.serviceDetails.name": "MTCA",
            "allowedLoopType": "CLOSED",
            "maximumInstancesAllowed": 1,
            "updatedDate": "2019-09-06 19:09:42"
          });
        }
      });
    });
    const component = shallow(<ViewLoopTemplatesModal/>);
    component.setState({
      loopTemplateData: {
        "index": "1",
        "name": "MTCA version 1",
        "modelService.serviceDetails.name": "MTCA",
        "allowedLoopType": "CLOSED",
        "maximumInstancesAllowed": 1,
        "updatedDate": "2019-09-06 19:09:42"
      }
    });
    expect(component).toMatchSnapshot();
  });

  it('Test Table icons', () => {
    fetch.mockImplementationOnce(() => {
      return Promise.resolve({
        ok: true,
        status: 200,
        json: () => {
          return Promise.resolve({
            "index": "1",
            "name": "MTCA version 1",
            "modelService.serviceDetails.name": "MTCA",
            "allowedLoopType": "CLOSED",
            "maximumInstancesAllowed": 1,
            "updatedDate": "2019-09-06 19:09:42"
          });
        }
      });
    });
    const component = mount(<Router><ViewLoopTemplatesModal/></Router>);
    expect(component.find('[className="MuiSelect-icon MuiTablePagination-selectIcon"]')).toBeTruthy();
  });

  it('Test handleClose', () => {
    fetch.mockImplementationOnce(() => {
      return Promise.resolve({
        ok: true,
        status: 200,
        json: () => {
          return Promise.resolve({
            "index": "1",
            "name": "MTCA version 1",
            "modelService.serviceDetails.name": "MTCA",
            "allowedLoopType": "CLOSED",
            "maximumInstancesAllowed": 1,
            "updatedDate": "2019-09-06 19:09:42"
          });
        }
      });
    });
    const historyMock = { push: jest.fn() };
    const handleClose = jest.spyOn(ViewLoopTemplatesModal.prototype, 'handleClose');
    const component = shallow(<ViewLoopTemplatesModal history={ historyMock }/>)
    component.find('[variant="secondary"]').prop('onClick')();
    expect(handleClose).toHaveBeenCalledTimes(1);
    expect(component.state('show')).toEqual(false);
    expect(historyMock.push.mock.calls[0]).toEqual(['/']);
    handleClose.mockClear();
  });
});