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instance.test-d.ts
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instance.test-d.ts
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import fastify, {
FastifyBodyParser,
FastifyError,
FastifyInstance,
RawReplyDefaultExpression,
RawRequestDefaultExpression,
RawServerDefault
} from '../../fastify'
import { expectAssignable, expectError, expectType } from 'tsd'
import { FastifyRequest } from '../../types/request'
import { FastifyReply } from '../../types/reply'
import { HookHandlerDoneFunction } from '../../types/hooks'
import { FastifySchemaControllerOptions } from '../../types/schema'
const server = fastify()
expectAssignable<FastifyInstance>(server.addSchema({
type: 'null'
}))
expectAssignable<FastifyInstance>(server.addSchema({
schemaId: 'id'
}))
expectAssignable<FastifyInstance>(server.addSchema({
schemas: []
}))
expectType<Record<string, unknown>>(server.getSchemas())
expectType<unknown>(server.getSchema('SchemaId'))
expectType<string>(server.printRoutes())
expectType<string>(server.printPlugins())
expectAssignable<FastifyInstance>(
server.setErrorHandler(function (error, request, reply) {
expectAssignable<FastifyInstance>(this)
})
)
expectAssignable<FastifyInstance>(
server.setErrorHandler<FastifyError>(function (error, request, reply) {
expectType<FastifyError>(error)
})
)
function fastifyErrorHandler (this: FastifyInstance, error: FastifyError) {}
server.setErrorHandler(fastifyErrorHandler)
async function asyncFastifyErrorHandler (this: FastifyInstance, error: FastifyError) {}
server.setErrorHandler(asyncFastifyErrorHandler)
function nodeJSErrorHandler (error: NodeJS.ErrnoException) {}
server.setErrorHandler(nodeJSErrorHandler)
function asyncNodeJSErrorHandler (error: NodeJS.ErrnoException) {}
server.setErrorHandler(asyncNodeJSErrorHandler)
class CustomError extends Error {
private __brand: any;
}
interface ReplyPayload {
Reply: {
test: boolean;
};
}
// typed sync error handler
server.setErrorHandler<CustomError, ReplyPayload>((error, request, reply) => {
expectType<CustomError>(error)
expectType<((payload?: ReplyPayload['Reply']) => FastifyReply<RawServerDefault, RawRequestDefaultExpression<RawServerDefault>, RawReplyDefaultExpression<RawServerDefault>, ReplyPayload>)>(reply.send)
})
// typed async error handler send
server.setErrorHandler<CustomError, ReplyPayload>(async (error, request, reply) => {
expectType<CustomError>(error)
expectType<((payload?: ReplyPayload['Reply']) => FastifyReply<RawServerDefault, RawRequestDefaultExpression<RawServerDefault>, RawReplyDefaultExpression<RawServerDefault>, ReplyPayload>)>(reply.send)
})
// typed async error handler return
server.setErrorHandler<CustomError, ReplyPayload>(async (error, request, reply) => {
expectType<CustomError>(error)
return { test: true }
})
// typed sync error handler send error
expectError(server.setErrorHandler<CustomError, ReplyPayload>((error, request, reply) => {
expectType<CustomError>(error)
reply.send({ test: 'foo' })
}))
// typed sync error handler return error
expectError(server.setErrorHandler<CustomError, ReplyPayload>((error, request, reply) => {
expectType<CustomError>(error)
return { test: 'foo' }
}))
// typed async error handler send error
expectError(server.setErrorHandler<CustomError, ReplyPayload>(async (error, request, reply) => {
expectType<CustomError>(error)
reply.send({ test: 'foo' })
}))
// typed async error handler return error
expectError(server.setErrorHandler<CustomError, ReplyPayload>(async (error, request, reply) => {
expectType<CustomError>(error)
return { test: 'foo' }
}))
function notFoundHandler (request: FastifyRequest, reply: FastifyReply) {}
function notFoundpreHandlerHandler (request: FastifyRequest, reply: FastifyReply, done: HookHandlerDoneFunction) { done() }
async function notFoundpreHandlerAsyncHandler (request: FastifyRequest, reply: FastifyReply) {}
function notFoundpreValidationHandler (request: FastifyRequest, reply: FastifyReply, done: HookHandlerDoneFunction) { done() }
async function notFoundpreValidationAsyncHandler (request: FastifyRequest, reply: FastifyReply) {}
server.setNotFoundHandler(notFoundHandler)
server.setNotFoundHandler({ preHandler: notFoundpreHandlerHandler }, notFoundHandler)
server.setNotFoundHandler({ preHandler: notFoundpreHandlerAsyncHandler }, notFoundHandler)
server.setNotFoundHandler({ preValidation: notFoundpreValidationHandler }, notFoundHandler)
server.setNotFoundHandler({ preValidation: notFoundpreValidationAsyncHandler }, notFoundHandler)
server.setNotFoundHandler({ preHandler: notFoundpreHandlerHandler, preValidation: notFoundpreValidationHandler }, notFoundHandler)
function invalidErrorHandler (error: number) {}
expectError(server.setErrorHandler(invalidErrorHandler))
server.setSchemaController({
bucket: (parentSchemas: unknown) => {
return {
addSchema (schema: unknown) {
expectType<unknown>(schema)
expectType<FastifyInstance>(server.addSchema({ type: 'null' }))
return server.addSchema({ type: 'null' })
},
getSchema (schemaId: string) {
expectType<string>(schemaId)
return server.getSchema('SchemaId')
},
getSchemas () {
expectType<Record<string, unknown>>(server.getSchemas())
return server.getSchemas()
}
}
}
})
function invalidSchemaController (schemaControllerOptions: FastifySchemaControllerOptions) {}
expectError(server.setSchemaController(invalidSchemaController))
server.setReplySerializer(function (payload, statusCode) {
expectType<unknown>(payload)
expectType<number>(statusCode)
return 'serialized'
})
function invalidReplySerializer (payload: number, statusCode: string) {}
expectError(server.setReplySerializer(invalidReplySerializer))
function serializerWithInvalidReturn (payload: unknown, statusCode: number) {}
expectError(server.setReplySerializer(serializerWithInvalidReturn))
function invalidSchemaErrorFormatter () {}
expectError(server.setSchemaErrorFormatter(invalidSchemaErrorFormatter))
// test listen method callback
expectAssignable<void>(server.listen(3000, '', 0, (err, address) => {}))
expectAssignable<void>(server.listen('3000', '', 0, (err, address) => {}))
expectAssignable<void>(server.listen(3000, '', (err, address) => {}))
expectAssignable<void>(server.listen('3000', '', (err, address) => {}))
expectAssignable<void>(server.listen(3000, (err, address) => {}))
expectAssignable<void>(server.listen('3000', (err, address) => {}))
// test listen method callback types
expectAssignable<void>(server.listen('3000', (err, address) => {
expectAssignable<Error|null>(err)
expectAssignable<string>(address)
}))
// test listen method promise
expectAssignable<PromiseLike<string>>(server.listen(3000))
expectAssignable<PromiseLike<string>>(server.listen('3000'))
expectAssignable<PromiseLike<string>>(server.listen(3000, '', 0))
expectAssignable<PromiseLike<string>>(server.listen('3000', '', 0))
expectAssignable<PromiseLike<string>>(server.listen(3000, ''))
expectAssignable<PromiseLike<string>>(server.listen('3000', ''))
// test listen opts objects
expectAssignable<PromiseLike<string>>(server.listen({ port: 3000 }))
expectAssignable<PromiseLike<string>>(server.listen({ port: 3000, host: '0.0.0.0' }))
expectAssignable<PromiseLike<string>>(server.listen({ port: 3000, host: '0.0.0.0', backlog: 42 }))
expectAssignable<void>(server.listen({ port: 3000 }, () => {}))
expectAssignable<void>(server.listen({ port: 3000, host: '0.0.0.0' }, () => {}))
expectAssignable<void>(server.listen({ port: 3000, host: '0.0.0.0', backlog: 42 }, () => {}))
expectAssignable<void>(server.routing({} as RawRequestDefaultExpression, {} as RawReplyDefaultExpression))
expectType<FastifyInstance>(fastify().get('/', {
handler: () => {},
errorHandler: (error, request, reply) => {
expectAssignable<void>(server.errorHandler(error, request, reply))
}
}))
type InitialConfig = Readonly<{
connectionTimeout?: number,
keepAliveTimeout?: number,
bodyLimit?: number,
caseSensitive?: boolean,
forceCloseConnections?: boolean,
http2?: boolean,
https?: boolean | Readonly<{ allowHTTP1: boolean }>,
ignoreTrailingSlash?: boolean,
disableRequestLogging?: boolean,
maxParamLength?: number,
onProtoPoisoning?: 'error' | 'remove' | 'ignore',
onConstructorPoisoning?: 'error' | 'remove' | 'ignore',
pluginTimeout?: number,
requestIdHeader?: string,
requestIdLogLabel?: string,
http2SessionTimeout?: number
}>
expectType<InitialConfig>(fastify().initialConfig)
expectType<FastifyBodyParser<string>>(server.defaultTextParser)
expectType<FastifyBodyParser<string>>(server.getDefaultJsonParser('ignore', 'error'))
expectType<string>(server.printRoutes({ includeHooks: true, commonPrefix: false, includeMeta: true }))
expectType<string>(server.printRoutes({ includeMeta: ['key1', Symbol('key2')] }))
expectType<string>(server.printRoutes())
server.decorate<(x: string) => void>('test', function (x: string): void {
expectType<FastifyInstance>(this)
})
server.decorate('test', function (x: string): void {
expectType<FastifyInstance>(this)
})
server.decorateRequest<(x: string, y: number) => void>('test', function (x: string, y: number): void {
expectType<FastifyRequest>(this)
})
server.decorateRequest('test', function (x: string, y: number): void {
expectType<FastifyRequest>(this)
})
server.decorateReply<(x: string) => void>('test', function (x: string): void {
expectType<FastifyReply>(this)
})
server.decorateReply('test', function (x: string): void {
expectType<FastifyReply>(this)
})
expectError(server.decorate<string>('test', true))
expectError(server.decorate<(myNumber: number) => number>('test', function (myNumber: number): string {
return ''
}))