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FetchRequestHandler.spec.ts
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FetchRequestHandler.spec.ts
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import { Environment } from '@standardnotes/models'
import { HttpVerb } from '@standardnotes/responses'
import { FetchRequestHandler } from './FetchRequestHandler'
import { HttpErrorResponseBody, HttpRequest } from '@standardnotes/responses'
import { ErrorMessage } from '../Error'
describe('FetchRequestHandler', () => {
const snjsVersion = 'snjsVersion'
const appVersion = 'appVersion'
const environment = Environment.Web
const requestHandler = new FetchRequestHandler(snjsVersion, appVersion, environment)
it('should create a request', () => {
const httpRequest: HttpRequest = {
url: 'http://localhost:3000/test',
verb: HttpVerb.Get,
external: false,
authentication: 'authentication',
customHeaders: [],
params: {
key: 'value',
},
}
const request = requestHandler['createRequest'](httpRequest)
expect(request).toBeInstanceOf(Request)
expect(request.url).toBe(httpRequest.url)
expect(request.method).toBe(httpRequest.verb)
expect(request.headers.get('X-SNJS-Version')).toBe(snjsVersion)
expect(request.headers.get('X-Application-Version')).toBe(`${Environment[environment]}-${appVersion}`)
expect(request.headers.get('Content-Type')).toBe('application/json')
})
it('should get url for url and params', () => {
const urlWithoutExistingParams = requestHandler['urlForUrlAndParams']('url', { key: 'value' })
expect(urlWithoutExistingParams).toBe('url?key=value')
const urlWithExistingParams = requestHandler['urlForUrlAndParams']('url?key=value', { key2: 'value2' })
expect(urlWithExistingParams).toBe('url?key=value&key2=value2')
})
it('should create request body if not GET', () => {
const body = requestHandler['createRequestBody']({
url: 'url',
verb: HttpVerb.Post,
external: false,
authentication: 'authentication',
customHeaders: [],
params: {
key: 'value',
},
})
expect(body).toBe('{"key":"value"}')
})
it('should not create request body if GET', () => {
const body = requestHandler['createRequestBody']({
url: 'url',
verb: HttpVerb.Get,
external: false,
authentication: 'authentication',
customHeaders: [],
params: {
key: 'value',
},
})
expect(body).toBeUndefined()
})
it('should handle json response', async () => {
const fetchResponse = new Response('{"key":"value"}', {
status: 200,
headers: {
'Content-Type': 'application/json',
},
})
const response = await requestHandler['handleFetchResponse'](fetchResponse)
expect(response).toEqual({
status: 200,
headers: new Map<string, string | null>([['content-type', 'application/json']]),
data: {
key: 'value',
},
key: 'value',
})
})
it('should handle non-json response', async () => {
const fetchResponse = new Response('body', {
status: 200,
headers: {
'Content-Type': 'text/plain',
},
})
const response = await requestHandler['handleFetchResponse'](fetchResponse)
expect(response.status).toBe(200)
expect(response.headers).toEqual(new Map<string, string | null>([['content-type', 'text/plain']]))
expect(response.data).toBeInstanceOf(ArrayBuffer)
})
it('should have ratelimit error when forbidden', async () => {
const fetchResponse = new Response('body', {
status: 403,
headers: {
'Content-Type': 'text/plain',
},
})
const response = await requestHandler['handleFetchResponse'](fetchResponse)
expect(response.status).toBe(403)
expect(response.headers).toEqual(new Map<string, string | null>([['content-type', 'text/plain']]))
expect((response.data as HttpErrorResponseBody).error).toEqual({
message: ErrorMessage.RateLimited,
})
})
describe('should return ErrorResponse when status is not >=200 and <500', () => {
it('should add unknown error message when response has no data', async () => {
const fetchResponse = new Response('', {
status: 599,
headers: {
'Content-Type': 'text/plain',
},
})
const response = await requestHandler['handleFetchResponse'](fetchResponse)
expect(response.status).toBe(599)
expect(response.headers).toEqual(new Map<string, string | null>([['content-type', 'text/plain']]))
expect((response.data as HttpErrorResponseBody).error).toEqual({
message: 'Unknown error',
})
})
})
})