Function simulateAskpassInvocation

src/node/runtime/sshAskpass.test.ts:9–39

(
      askpassDir: string,
      promptText: string,
      requestId: string,
      cleanupResponseFiles = true
    )

describe("sshAskpass", () => {
  describe("createAskpassSession", () => {
    async function simulateAskpassInvocation(
      askpassDir: string,
      promptText: string,
      requestId: string,
      cleanupResponseFiles = true
    ): Promise<string> {
      const promptFile = path.join(askpassDir, `prompt.${requestId}.txt`);
      const responseFile = path.join(askpassDir, `response.${requestId}.txt`);

      // Simulate askpass writing prompt content for this invocation.
      await fs.promises.writeFile(promptFile, promptText, "utf-8");

      // Poll for the response file written by createAskpassSession().
      for (let i = 0; i < 100; i += 1) {
        try {
          const response = await fs.promises.readFile(responseFile, "utf-8");

          if (cleanupResponseFiles) {
            // Simulate askpass script cleanup.
            await fs.promises.unlink(promptFile).catch(() => undefined);
            await fs.promises.unlink(responseFile).catch(() => undefined);
          }

          return response.trim();
        } catch {
          await new Promise((resolve) => setTimeout(resolve, 50));
        }
      }

      throw new Error(`Timeout waiting for response for request '${requestId}'`);
    }

    async function listAskpassTempDirs(): Promise<string[]> {
      return (await fs.promises.readdir(os.tmpdir()))