openstapps/test/http-client.spec.ts

/*
 * Copyright (C) 2018-2020 StApps
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation, version 3.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <https://www.gnu.org/licenses/>.
 */
import {expect} from 'chai';
import {suite, test} from '@testdeck/mocha';
import nock from 'nock';
import {HttpClient} from '../src/http-client';

// TODO: use after each to clean up the nock (then there is no need for numerated resource links)

@suite()
export class HttpClientSpec {

  @test
  async construct() {
    expect(() => {
      return new HttpClient();
    }).not.to.throw();
  }

  async after() {
    nock.cleanAll();
  }

  @test
  async request() {
    const client = new HttpClient();

    nock('http://www.example.com')
      .get('/resource')
      .reply(200, 'foo');

    const response = await client.request({
      url: new URL('http://www.example.com/resource'),
    });

    expect(response.body).to.be.equal('foo');
  }

  @test
  async requestWithBody() {
    const client = new HttpClient();

    nock('http://www.example.com')
      .get('/resource')
      .reply(200, 'foo');

    const response = await client.request({
      url: new URL('http://www.example.com/resource')
    });

    expect(response.body).to.be.equal('foo');
  }

  @test
  async requestWithError() {
    const client = new HttpClient();
    let caughtErr;

    nock('http://www.example.com')
      .get('/resource')
      .replyWithError('foo');

    try {
      await client.request({
        body: {
          foo: 'bar',
        },
        url: new URL('http://www.example.com/resource'),
      });
    } catch (err) {
      caughtErr = err;
    }

    expect(caughtErr).not.to.be.undefined;
  }

  @test
  async requestWithHeaders() {
    const client = new HttpClient();

    nock('http://www.example.com')
      .get('/resource')
      .reply(200, 'foo');

    const response = await client.request({
      headers: {
        'X-StApps-Version': 'foo.bar.foobar',
      },
      url: new URL('http://www.example.com/resource'),
    });

    expect(response.body).to.be.equal('foo');
  }

  @test
  async requestWithMethodGet() {
    const client = new HttpClient();

    nock('http://www.example.com')
      .get('/resource')
      .reply(200, 'foo');

    const response = await client.request({
      method: 'GET',
      url: new URL('http://www.example.com/resource'),
    });

    expect(response.body).to.be.equal('foo');
  }

  @test
  async requestWithMethodPost() {
    const client = new HttpClient();

    nock('http://www.example.com')
      .post('/resource')
      .reply(200, 'foo');

    const response = await client.request({
      method: 'POST',
      url: new URL('http://www.example.com/resource'),
    });

    expect(response.body).to.be.equal('foo');
  }
}