import { expect } from 'chai';
import { createResponse } from '../lib/response.utilities';

const testInputs = [
  {
    options: {},
    response: { name: 'yes' },
    expectedCode: 200,
    expectedBody: { name: 'yes' },
  },
  {
    options: { successCode: 201 },
    expectedCode: 201,
    expectedBody: {},
  },
  {
    response: { name: 'yes' },
    expectedCode: 200,
    expectedBody: { name: 'yes' },
  },
];

describe('Service response test', async () => {
  it('create response returns an error code when a promise reject', async () => {
    const failedPromise = Promise.reject(new Error('Promise Rejected'));
    const result = await createResponse(failedPromise);

    expect(result.statusCode).to.equal(500);
    const parsedBody = JSON.parse(result.body);
    expect(parsedBody).to.deep.equal({
      name: 'FAILED',
      message: 'Promise Rejected',
    });
    expect(result.headers).ok;
  });

  testInputs.forEach(({ options, response, expectedCode, expectedBody }) => {
    it(`create response returns a success code when a promise resolves with ${JSON.stringify(
      response,
    )} and options is ${JSON.stringify(options)}`, async () => {
      const successPromise = Promise.resolve(response);
      const result = await createResponse(successPromise, options);

      expect(result.statusCode).to.equal(expectedCode);
      const parsedBody = JSON.parse(result.body);
      expect(parsedBody).to.deep.equal(expectedBody);
      expect(result.headers).ok;
    });
  });
});