superagent-example-order.spec.ts

import { expect } from 'chai';
import { stub, match, SinonStub } from 'sinon';
import request = require('superagent');
import { superagentExample } from '../src/superagent-example';

describe('superAgentExample()', () => {
	let send: SinonStub;
	let set1: SinonStub;
	let set2: SinonStub;

  beforeEach(() => {
		set2 = stub().returns(Promise.resolve({ body: 'expected body' }));
		set1 = stub().returns({ set: set2 });
		send = stub().returns({ set: set1 })
		stub(request, 'post').returns({ send } as any);
		stub(console, 'log');
	});

	it('should run request and log result', async () => {
		const result = await superagentExample();

		expect(request.post).to.have.been.calledOnceWithExactly('/api/pet');
		expect(send).to.have.been.calledOnceWithExactly(match.object);
		expect(set1).to.have.been.calledOnceWithExactly('X-API-Key', 'foobar')
		expect(set2).to.have.been.calledOnceWithExactly('Accept', 'application/json');
		expect(console.log).to.have.been.calledOnceWithExactly('yay got "expected body"');
		expect(result).to.be.undefined;
	});
});