update hash files test

packages/exec/__tests__/scripts/spawn-wait-for-file.js

@@ -0,0 +1,39 @@
+const childProcess = require('child_process')
+const path = require('path')
+
+function parseArgs() {
+  const result = {}
+  for (const arg of process.argv.slice(2)) {
+    const equalsIndex = arg.indexOf('=')
+    if (equalsIndex === -1) {
+      continue
+    }
+    const key = arg.slice(0, equalsIndex)
+    const value = arg.slice(equalsIndex + 1)
+    result[key] = value
+  }
+
+  return result
+}
+
+const args = parseArgs()
+const filePath = args.file
+if (!filePath) {
+  throw new Error('file is not specified')
+}
+
+const waitScript = path.join(__dirname, 'wait-for-file.js')
+const waitArgs = [waitScript, `file=${filePath}`]
+const waitProcess = childProcess.spawn(process.execPath, waitArgs, {
+  stdio: 'inherit',
+  detached: false
+})
+
+waitProcess.unref()
+
+if (args.stderr === 'true') {
+  process.stderr.write('hi')
+}
+
+const exitCode = args.exitCode ? parseInt(args.exitCode, 10) : 0
+process.exit(exitCode)

packages/exec/__tests__/scripts/stdoutputspecial.js

@@ -1,8 +1,8 @@
 //first half of © character
-process.stdout.write(Buffer.from([0xC2]), (err) => {
+process.stdout.write(Buffer.from([0xC2]), () => {
     //write in the callback so that the second byte is sent separately
     setTimeout(() => {
         process.stdout.write(Buffer.from([0xA9])) //second half of © character
-    }, 5000)
+    }, 100)
    
 })