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general.test.ts
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general.test.ts
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import gql from 'graphql-tag'
import { GraphQLClient, rawRequest, request } from '../src'
import { setupTestServer } from './__helpers'
import * as Dom from '../src/types.dom'
const ctx = setupTestServer()
test('minimal query', async () => {
const { data } = ctx.res({
body: {
data: {
me: {
id: 'some-id',
},
},
},
}).spec.body!
expect(await request(ctx.url, `{ me { id } }`)).toEqual(data)
})
test('minimal raw query', async () => {
const { extensions, data } = ctx.res({
body: {
data: {
me: {
id: 'some-id',
},
},
extensions: {
version: '1',
},
},
}).spec.body!
const { headers, ...result } = await rawRequest(ctx.url, `{ me { id } }`)
expect(result).toEqual({ data, extensions, status: 200 })
})
test('minimal raw query with response headers', async () => {
const { headers: reqHeaders, body } = ctx.res({
headers: {
'Content-Type': 'application/json',
'X-Custom-Header': 'test-custom-header',
},
body: {
data: {
me: {
id: 'some-id',
},
},
extensions: {
version: '1',
},
},
}).spec
const { headers, ...result } = await rawRequest(ctx.url, `{ me { id } }`)
expect(result).toEqual({ ...body, status: 200 })
expect(headers.get('X-Custom-Header')).toEqual(reqHeaders!['X-Custom-Header'])
})
test('content-type with charset', async () => {
const { data } = ctx.res({
// headers: { 'Content-Type': 'application/json; charset=utf-8' },
body: {
data: {
me: {
id: 'some-id',
},
},
},
}).spec.body!
expect(await request(ctx.url, `{ me { id } }`)).toEqual(data)
})
test('basic error', async () => {
ctx.res({
body: {
errors: {
message: 'Syntax Error GraphQL request (1:1) Unexpected Name "x"\n\n1: x\n ^\n',
locations: [
{
line: 1,
column: 1,
},
],
},
},
})
const res = await request(ctx.url, `x`).catch((x) => x)
expect(res).toMatchInlineSnapshot(
`[Error: GraphQL Error (Code: 200): {"response":{"errors":{"message":"Syntax Error GraphQL request (1:1) Unexpected Name \\"x\\"\\n\\n1: x\\n ^\\n","locations":[{"line":1,"column":1}]},"status":200,"headers":{}},"request":{"query":"x"}}]`
)
})
test('basic error with raw request', async () => {
ctx.res({
body: {
errors: {
message: 'Syntax Error GraphQL request (1:1) Unexpected Name "x"\n\n1: x\n ^\n',
locations: [
{
line: 1,
column: 1,
},
],
},
},
})
const res = await rawRequest(ctx.url, `x`).catch((x) => x)
expect(res).toMatchInlineSnapshot(
`[Error: GraphQL Error (Code: 200): {"response":{"errors":{"message":"Syntax Error GraphQL request (1:1) Unexpected Name \\"x\\"\\n\\n1: x\\n ^\\n","locations":[{"line":1,"column":1}]},"status":200,"headers":{}},"request":{"query":"x"}}]`
)
})
describe('middleware', () => {
let client: GraphQLClient
let requestMiddleware: jest.Mock
let responseMiddleware: jest.Mock
beforeEach(() => {
ctx.res({
body: {
data: {
result: 123,
},
},
})
requestMiddleware = jest.fn(req => ({ ...req }))
responseMiddleware = jest.fn()
client = new GraphQLClient(ctx.url, { requestMiddleware, responseMiddleware })
})
it('request', async () => {
const requestPromise = client.request<{ result: number }>(`x`)
expect(requestMiddleware).toBeCalledTimes(1)
const res = await requestPromise
expect(responseMiddleware).toBeCalledTimes(1)
expect(res.result).toBe(123)
})
it('rawRequest', async () => {
const requestPromise = client.rawRequest<{ result: number }>(`x`)
expect(requestMiddleware).toBeCalledTimes(1)
await requestPromise
expect(responseMiddleware).toBeCalledTimes(1)
})
it('batchRequests', async () => {
const requestPromise = client.batchRequests<{ result: number }>([{ document: `x` }])
expect(requestMiddleware).toBeCalledTimes(1)
await requestPromise
expect(responseMiddleware).toBeCalledTimes(1)
})
})
// todo needs to be tested in browser environment
// the options under test here aren't used by node-fetch
test.skip('extra fetch options', async () => {
const options: RequestInit = {
credentials: 'include',
mode: 'cors',
cache: 'reload',
}
const client = new GraphQLClient(ctx.url, options)
const { requests } = ctx.res({
body: { data: { test: 'test' } },
})
await client.request('{ test }')
expect(requests).toMatchInlineSnapshot(`
Array [
Object {
"body": Object {
"query": "{ test }",
},
"headers": Object {
"accept": "*/*",
"accept-encoding": "gzip,deflate",
"connection": "close",
"content-length": "20",
"content-type": "application/json",
"host": "localhost:3210",
"user-agent": "node-fetch/1.0 (+https://github.com/bitinn/node-fetch)",
},
"method": "POST",
},
]
`)
})
test('case-insensitive content-type header for custom fetch', async () => {
const testData = { data: { test: 'test' } }
const testResponseHeaders = new Map()
testResponseHeaders.set('ConTENT-type', 'apPliCatiON/JSON')
const options: Dom.RequestInit = {
fetch: function (url: string) {
return Promise.resolve({
headers: testResponseHeaders,
data: testData,
json: function () {
return testData
},
text: function () {
return JSON.stringify(testData)
},
ok: true,
status: 200,
url,
})
},
}
const client = new GraphQLClient(ctx.url, options)
const result = await client.request('{ test }')
expect(result).toEqual(testData.data)
})
describe('operationName parsing', () => {
it('should work for gql documents', async () => {
const mock = ctx.res({ body: { data: { foo: 1 } } })
await request(
ctx.url,
gql`
query myGqlOperation {
users
}
`
)
const requestBody = mock.requests[0].body
expect(requestBody.operationName).toEqual('myGqlOperation')
})
it('should work for string documents', async () => {
const mock = ctx.res({ body: { data: { foo: 1 } } })
await request(
ctx.url,
`
query myStringOperation {
users
}
`
)
const requestBody = mock.requests[0].body
expect(requestBody.operationName).toEqual('myStringOperation')
})
})