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test: improve reverse infer tests #314

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Merged
dinwwwh merged 1 commit into from
Mar 31, 2025
Merged

test: improve reverse infer tests #314

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16 changes: 9 additions & 7 deletions packages/client/src/types.test-d.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -2,21 +2,23 @@ import type { ORPCError } from './error'
import type { Client, ClientContext } from './types'

describe('client', () => {
const client: Client<{ cache?: boolean }, string | undefined, number, Error | ORPCError<'OVERRIDE', unknown>> = async (...args) => {
const client: Client<{ cache?: boolean }, string, number, Error | ORPCError<'OVERRIDE', unknown>> = async (...args) => {
const [input, options] = args

expectTypeOf(input).toEqualTypeOf<string | undefined>()
expectTypeOf(input).toEqualTypeOf<string>()
expectTypeOf(options).toMatchTypeOf<{ context?: { cache?: boolean }, signal?: AbortSignal } | undefined>()
return 123
}

it('just a function', () => {
expectTypeOf(client).toMatchTypeOf<(input: string | undefined, options: { context?: ClientContext, signal?: AbortSignal }) => Promise<number>>()
expectTypeOf(client).toMatchTypeOf<(input: string, options: { context?: ClientContext, signal?: AbortSignal }) => Promise<number>>()
})

it('infer correct input', () => {
client('123')
// @ts-expect-error - invalid input
client(undefined)
// @ts-expect-error - missing input
client()

// @ts-expect-error - invalid input
Expand All @@ -25,11 +27,11 @@ describe('client', () => {
client({})
})

it('require non-undefindable input', () => {
const client = {} as Client<ClientContext, { val: string }, { val: number }, Error>
it('optional undefinedable input', () => {
const client = {} as Client<ClientContext, { val: string } | undefined, { val: number }, Error>

client({ val: '123' })
// @ts-expect-error - missing input
client(undefined)
client()
// @ts-expect-error - invalid input
client({ val: 123 })
Expand Down Expand Up @@ -79,6 +81,6 @@ describe('client', () => {
it('can reverse infer', () => {
expectTypeOf<
typeof client extends Client<infer C, infer I, infer O, infer E> ? [C, I, O, E] : never
>().toEqualTypeOf<[{ cache?: boolean }, string | undefined, number, Error | ORPCError<'OVERRIDE', unknown>]>()
>().toEqualTypeOf<[{ cache?: boolean }, string, number, Error | ORPCError<'OVERRIDE', unknown>]>()
})
})
15 changes: 9 additions & 6 deletions packages/server/src/procedure-action.test-d.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -25,11 +25,13 @@ it('UnactionableError', () => {
})

describe('ActionableClient', () => {
const action = {} as ActionableClient<{ input: string } | undefined, { output: number } | undefined, ActionableError<Error | ORPCError<'CODE', { foo: string }> | ORPCError<'INTERNAL_SERVER_ERROR', { time: number }>>>
const action = {} as ActionableClient<{ input: string }, { output: number }, ActionableError<Error | ORPCError<'CODE', { foo: string }> | ORPCError<'INTERNAL_SERVER_ERROR', { time: number }>>>

it('input', async () => {
await action({ input: 'input' })
// @ts-expect-error - input is invalid
await action(undefined)
// @ts-expect-error - missing input
await action()

// @ts-expect-error - not allow second argument
Expand All @@ -38,12 +40,13 @@ describe('ActionableClient', () => {
await action('invalid')
})

it('require non-undefindable input', async () => {
const action = {} as ActionableClient<{ input: string }, { output: number }, ActionableError<Error | ORPCError<'CODE', { foo: string }> | ORPCError<'INTERNAL_SERVER_ERROR', { time: number }>>>
it('optional undefindable input', async () => {
const action = {} as ActionableClient<{ input: string } | undefined, { output: number }, ActionableError<Error | ORPCError<'CODE', { foo: string }> | ORPCError<'INTERNAL_SERVER_ERROR', { time: number }>>>

await action({ input: 'input' })
// @ts-expect-error - missing input
await action(undefined)
await action()

// @ts-expect-error - not allow second argument
await action({ input: 'input' }, 'second' as any)
// @ts-expect-error - invalid input
Expand All @@ -54,7 +57,7 @@ describe('ActionableClient', () => {
const [error, data] = await action({ input: 'input' })

if (!error) {
expectTypeOf(data).toEqualTypeOf<{ output: number } | undefined>()
expectTypeOf(data).toEqualTypeOf<{ output: number }>()
}

if (error) {
Expand All @@ -76,7 +79,7 @@ describe('ActionableClient', () => {
it('can reverse infer', async () => {
expectTypeOf<
typeof action extends ActionableClient<infer I, infer O, infer E> ? [I, O, E] : never
>().toEqualTypeOf<[{ input: string } | undefined, { output: number } | undefined, ActionableError<Error | ORPCError<'CODE', { foo: string }> | ORPCError<'INTERNAL_SERVER_ERROR', { time: number }>>]>()
>().toEqualTypeOf<[{ input: string }, { output: number }, ActionableError<Error | ORPCError<'CODE', { foo: string }> | ORPCError<'INTERNAL_SERVER_ERROR', { time: number }>>]>()
})
})

Expand Down