1// Copyright 2022 Google LLC
 2//
 3// Licensed under the Apache License, Version 2.0 (the "License");
 4// you may not use this file except in compliance with the License.
 5// You may obtain a copy of the License at
 6//
 7//     https://www.apache.org/licenses/LICENSE-2.0
 8//
 9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14
15import assert from 'node:assert'
16import { Readable, Writable } from 'node:stream'
17import { expectType } from 'tsd'
18import { $, ProcessPromise, ProcessOutput, within } from '../src/core.js'
19
20let p = $`cmd`
21assert(p instanceof ProcessPromise)
22expectType<ProcessPromise>(p)
23expectType<Writable>(p.stdin)
24expectType<Readable>(p.stdout)
25expectType<Readable>(p.stderr)
26expectType<ProcessPromise>(p.nothrow())
27expectType<ProcessPromise>(p.quiet())
28expectType<ProcessPromise>(p.pipe($`cmd`))
29expectType<ProcessPromise>(p.stdio('pipe'))
30expectType<ProcessPromise>(p.timeout('1s'))
31expectType<Promise<void>>(p.kill())
32expectType<Promise<ProcessOutput>>(p.then((p) => p))
33expectType<Promise<ProcessOutput>>(p.catch((p) => p))
34expectType<Promise<any>>(p.then((p) => p).catch((p) => p))
35
36let o = await p
37assert(o instanceof ProcessOutput)
38expectType<ProcessOutput>(o)
39expectType<string>(o.stdout)
40expectType<string>(o.stderr)
41expectType<number | null>(o.exitCode)
42expectType<NodeJS.Signals | null>(o.signal)
43
44expectType<'banana'>(within(() => 'apple' as 'banana'))