Cleanups some tests

packages/acceptance-tests/pkg-tests-core/sources/utils/exec.ts

@@ -8,6 +8,7 @@ export const execPromise = promisify(exec);
 interface Options {
   cwd: PortablePath;
   env?: Record<string, string>;
+  stdin?: string;
 }
 
 export type ExecResult = {
@@ -25,7 +26,7 @@ export const execFile = (
   options: Options,
 ): Promise<ExecResult> => {
   return new Promise((resolve, reject) => {
-    cp.execFile(path, args, {
+    const process = cp.execFile(path, args, {
       ...options,
       cwd: options.cwd ? npath.fromPortablePath(options.cwd) : undefined,
     }, (error, stdout, stderr) => {
@@ -50,6 +51,11 @@ export const execFile = (
         });
       }
     });
+
+    if (typeof options.stdin !== `undefined`) {
+      process.stdin?.write(options.stdin);
+      process.stdin?.end();
+    }
   });
 };
 

packages/acceptance-tests/pkg-tests-core/sources/utils/makeTemporaryEnv.ts

@@ -14,7 +14,7 @@ const mte = generatePkgDriver({
   async runDriver(
     path,
     [command, ...args],
-    {cwd, execArgv = [], projectFolder, registryUrl, env, ...config},
+    {cwd, execArgv = [], projectFolder, registryUrl, env, stdin, ...config},
   ) {
     const rcEnv: Record<string, any> = {};
     for (const [key, value] of Object.entries(config))
@@ -32,6 +32,7 @@ const mte = generatePkgDriver({
 
     const res = await execFile(process.execPath, [...execArgv, yarnBinary, ...cwdArgs, command, ...args], {
       cwd: cwd || path,
+      stdin,
       env: {
         [`HOME`]: nativeHomePath,
         [`USERPROFILE`]: nativeHomePath,

packages/acceptance-tests/pkg-tests-core/sources/utils/tests.ts

@@ -38,6 +38,7 @@ interface RunDriverOptions extends Record<string, any> {
   projectFolder?: PortablePath;
   registryUrl: string;
   env?: Record<string, string | undefined>;
+  stdin?: string;
 }
 
 export type PackageRunDriver = (

packages/acceptance-tests/pkg-tests-specs/sources/node-modules.test.ts

@@ -1871,7 +1871,7 @@ describe(`Node_Modules`, () => {
           },
         });
 
-        await expect(run(`install`)).resolves.toMatchObject({code: 0});
+        await run(`install`);
 
         await expect(xfs.readdirPromise(ppath.join(path, Filename.nodeModules))).resolves.toEqual([
           `.yarn-state.yml`,