// Example of mocking out global `fetch`
//
// Spec works using Jasmine (via Karma) and _either_ tsc or babel.
// 
//     $ npm install --save-dev fetch-mock whatwg-fetch
//
// If using `tsc`, grab the type definitions as well:
//
//     $ typings --save --global dt~fetch-mock dt~whatwg-fetch

import * as fetchMock from 'fetch-mock'

// `projects` wraps REST methods against the hypothetical API resource
import { projects } from './api'

describe('api/projects', () => {

  afterEach(fetchMock.restore)

  describe('.list', () => {

    describe('valid JSON', () => {
      it('returns project list', (done) => {
        fetchMock.mock('/api/v1/projects', {
          status: 200,
          body: {
            data: [
              { id: 1 },
            ],
          },
        })

        projects.list()
          .then((x) => {
            expect(x.data.length).toEqual(1)
            done()
          })
          .catch(done.fail)
      })
    })

    describe('invalid JSON', () => {
      it('throws an error', (done) => {
        fetchMock.mock('/api/v1/projects', 200)
        projects.list()
          .catch((err) => {
            expect(err instanceof Error).toEqual(true)
            expect(err.toString()).toMatch(/JSON Parse error/)
            done()
          })
      })
    })
  })
})