2021-02-05 09:01:37 -05:00
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import { expect } from 'chai'
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import fetchMock from 'fetch-mock'
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2021-08-24 04:54:30 -04:00
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import { Response } from 'node-fetch'
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import {
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deleteJSON,
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FetchError,
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getJSON,
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postJSON,
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putJSON,
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} from '../../../frontend/js/infrastructure/fetch-json'
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2021-04-14 09:17:21 -04:00
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describe('fetchJSON', function () {
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before(function () {
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fetchMock.restore()
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})
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afterEach(function () {
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fetchMock.restore()
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})
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const headers = {
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Accept: 'application/json',
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'Content-Type': 'application/json',
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}
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it('handles GET requests', function () {
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fetchMock.once(
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{ method: 'GET', url: '/test', headers },
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{ status: 200, body: { result: 'success' } }
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)
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return expect(getJSON('/test')).to.eventually.deep.equal({
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result: 'success',
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})
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})
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it('handles 4xx responses', function () {
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fetchMock.get('/test', {
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status: 400,
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body: { message: 'The request was invalid' },
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})
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return expect(getJSON('/test'))
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.to.eventually.be.rejectedWith('Bad Request')
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.and.be.an.instanceOf(FetchError)
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.to.nested.include({
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message: 'Bad Request',
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'data.message': 'The request was invalid',
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'response.status': 400,
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'info.statusCode': 400,
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})
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})
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it('handles 5xx responses', async function () {
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fetchMock.get('/test', { status: 500 })
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return expect(getJSON('/test'))
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.to.eventually.be.rejectedWith('Internal Server Error')
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.and.be.an.instanceOf(FetchError)
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.to.nested.include({
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'response.status': 500,
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'info.statusCode': 500,
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})
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})
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2021-06-24 04:28:23 -04:00
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it('handles JSON error responses', async function () {
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fetchMock.get('/test', {
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status: 500,
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headers: {
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'Content-Type': 'application/json',
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},
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body: { message: 'lorem ipsum' },
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})
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return expect(getJSON('/test'))
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.to.eventually.be.rejectedWith('Internal Server Error')
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.and.be.an.instanceOf(FetchError)
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.to.nested.include({
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'data.message': 'lorem ipsum',
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})
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})
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it('handles text error responses', async function () {
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fetchMock.get('/test', {
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status: 500,
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headers: {
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'Content-Type': 'text/plain',
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},
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body: 'lorem ipsum',
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})
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return expect(getJSON('/test'))
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.to.eventually.be.rejectedWith('Internal Server Error')
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.and.be.an.instanceOf(FetchError)
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.to.nested.include({
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'data.message': 'lorem ipsum',
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})
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})
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it('handles text error responses sent as HTML', async function () {
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fetchMock.get('/test', {
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status: 500,
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headers: {
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'Content-Type': 'text/html',
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},
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body: 'lorem ipsum',
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})
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return expect(getJSON('/test'))
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.to.eventually.be.rejectedWith('Internal Server Error')
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.and.be.an.instanceOf(FetchError)
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.to.nested.include({
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'data.message': 'lorem ipsum',
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})
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})
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it('handles (ignores) HTML error responses sent as HTML', async function () {
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fetchMock.get('/test', {
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status: 500,
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headers: {
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'Content-Type': 'text/html',
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},
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body:
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'<!doctype html><html lang="en"><body><p>lorem ipsum</p></body></html>',
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})
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const promise = getJSON('/test')
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expect(promise)
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.to.eventually.be.rejectedWith('Internal Server Error')
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.and.be.an.instanceOf(FetchError)
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try {
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await promise
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} catch (error) {
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expect(error.data).to.eql({})
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}
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})
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it('handles 5xx responses without a status message', async function () {
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// It's hard to make a Response object with statusText=null,
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// so we need to do some monkey-work to make it happen
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const response = new Response('weird scary error', {
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ok: false,
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status: 599,
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})
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Object.defineProperty(response, 'statusText', {
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get: () => null,
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set: () => {},
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})
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fetchMock.get('/test', response)
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return expect(getJSON('/test'))
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.to.eventually.be.rejectedWith('Unexpected Error: 599')
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.and.be.an.instanceOf(FetchError)
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.to.nested.include({
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'response.status': 599,
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'info.statusCode': 599,
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message: 'Unexpected Error: 599',
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})
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})
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it('handles POST requests', function () {
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const body = { example: true }
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fetchMock.once(
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{ method: 'POST', url: '/test', headers, body },
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{ status: 200, body: { result: 'success' } }
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)
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return expect(postJSON('/test', { body })).to.eventually.deep.equal({
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result: 'success',
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})
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})
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it('handles PUT requests', function () {
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const body = { example: true }
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fetchMock.once(
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{ method: 'PUT', url: '/test', headers, body },
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{ status: 200, body: { result: 'success' } }
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)
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return expect(putJSON('/test', { body })).to.eventually.deep.equal({
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result: 'success',
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})
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})
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it('handles DELETE requests', function () {
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fetchMock.once({ method: 'DELETE', url: '/test', headers }, { status: 204 })
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return expect(deleteJSON('/test')).to.eventually.deep.equal({})
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})
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})
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