test: add tests for run functions

Signed-off-by: Amin Yahyaabadi <[email protected]>

src/extract-cache.ts

@@ -2,7 +2,6 @@ import fs from 'fs/promises';
 import path from 'path';
 import { CacheOptions, Opts, getCacheMap, getMountArgsString, getTargetPath } from './opts.js';
 import { run, runPiped } from './run.js';
-import { spawn } from 'child_process';
 
 async function extractCache(cacheSource: string, cacheOptions: CacheOptions, scratchDir: string) {
     // Prepare Timestamp for Layer Cache Busting

src/run.ts

@@ -1,5 +1,5 @@
 import spawnPlease from 'spawn-please'
-import cp, { type SpawnOptions, type ChildProcess } from 'child_process';
+import cp, { type ChildProcess } from 'child_process';
 
 export async function run(command: string, args: string[]) {
     try {
@@ -10,8 +10,8 @@ export async function run(command: string, args: string[]) {
     }
 }
 
-export async function runPiped([commannd1, args1]: [string, string[]], [command2, args2]: [string, string[]]) {
-    const cp1 = cp.spawn(commannd1, args1, { stdio: ['inherit', 'pipe', 'inherit'] });
+export async function runPiped([command1, args1]: [string, string[]], [command2, args2]: [string, string[]]) {
+    const cp1 = cp.spawn(command1, args1, { stdio: ['inherit', 'pipe', 'inherit'] });
     const cp2 = cp.spawn(command2, args2, { stdio: ['pipe', 'inherit', 'inherit'] });
 
     cp1.stdout.pipe(cp2.stdin);

tests/run.test.ts

@@ -0,0 +1,22 @@
+import { expect, test } from 'vitest'
+import { run, runPiped } from '../src/run.js'
+
+test('run with valid command', async () => {
+    expect(await run('echo', ['hello'])).toStrictEqual({ stdout: 'hello\n', stderr: '' })
+})
+
+test('run with invalid command', async () => {
+    await expect(run('invalid', [])).rejects.toThrow()
+})
+
+test('runPiped with valid commands', async () => {
+    await expect(runPiped(['echo', ['hello']], ['cat', []])).resolves.not.toThrow()
+})
+
+test('runPiped with invalid first command', async () => {
+    await expect(runPiped(['invalid', []], ['cat', []])).rejects.toThrow()
+})
+
+test('runPiped with invalid second command', async () => {
+    await expect(runPiped(['echo', ['hello']], ['invalid', []])).rejects.toThrow()
+})