@dannybster/coco-the-bear-http-errors/test/404-not-found-error-tests.js

A collection of error objects that represent http response objects for CoCo The Bear.

const systemUnderTest = require('../src/404-not-found-error');
const VError = require('verror');

describe('404-not-found-error.js', function () {
  describe('#createError', function () {
    const info = {
      description: 'Something arbitrary but highly useful!',
    };
    const msg = 'Resource was not found for some odd reason.';
    const responseBody = {
      something: 'Was not found.',
    };

    const error = systemUnderTest.createError(msg, info, responseBody);

    it('it should create a VError object', function testCreatErrorObject() {
      error.should.be.an.instanceOf(VError);
    });

    it('it should set the not found error object\'s message property to the value of the message parameter.', function testMessage() {
      error.message.should.eql(msg);
    });

    it('it should set the not found error object\'s name to HTTP404NotFound.', function testCreateNotFoundErrorName() {
      error.name.should.eql('HTTP404NotFound');
    });

    it('it should set the not found error object\'s info property to the value of the info parameter.', function testInfo() {
      VError.info(error).should.eql(info);
    });

    it('it should set a response object on the error.', function testResponse() {
      error.httpResponse.should.eql({
        status: 404,
        body: responseBody,
      });
    });
  });

  describe('#isNotFoundError', function () {
    it('it should return false if called with an error that was not created with #createError', function testFalse() {
      const error = new VError('Not a notFound error.');
      systemUnderTest.isNotFoundError(error).should.eql(false);
    });

    it('it should return true if called with an error that was created with #createError', function testTrue() {
      const error = systemUnderTest.createError('');
      systemUnderTest.isNotFoundError(error).should.eql(true);
    });
  });
});