SCM-Manager/scm-ui/ui-components/src/apiclient.test.ts

import { apiClient, createUrl } from './apiclient';
import fetchMock from 'fetch-mock';
import { BackendError } from './errors';

describe('create url', () => {
  it('should not change absolute urls', () => {
    expect(createUrl('https://www.scm-manager.org')).toBe(
      'https://www.scm-manager.org',
    );
  });

  it('should add prefix for api', () => {
    expect(createUrl('/users')).toBe('/api/v2/users');
    expect(createUrl('users')).toBe('/api/v2/users');
  });
});

describe('error handling tests', () => {
  const earthNotFoundError = {
    transactionId: '42t',
    errorCode: '42e',
    message: 'earth not found',
    context: [
      {
        type: 'planet',
        id: 'earth',
      },
    ],
  };

  afterEach(() => {
    fetchMock.reset();
    fetchMock.restore();
  });

  it('should create a normal error, if the content type is not scmm-error', done => {
    fetchMock.getOnce('/api/v2/error', {
      status: 404,
    });

    apiClient.get('/error').catch((err: Error) => {
      expect(err.name).toEqual('Error');
      expect(err.message).toContain('404');
      done();
    });
  });

  it('should create an backend error, if the content type is scmm-error', done => {
    fetchMock.getOnce('/api/v2/error', {
      status: 404,
      headers: {
        'Content-Type': 'application/vnd.scmm-error+json;v=2',
      },
      body: earthNotFoundError,
    });

    apiClient.get('/error').catch((err: BackendError) => {
      expect(err).toBeInstanceOf(BackendError);

      expect(err.message).toEqual('earth not found');
      expect(err.statusCode).toBe(404);

      expect(err.transactionId).toEqual('42t');
      expect(err.errorCode).toEqual('42e');
      expect(err.context).toEqual([
        {
          type: 'planet',
          id: 'earth',
        },
      ]);
      done();
    });
  });
});