[Init] Initial commit - NetMesh terminal manager

electron/bridges/transferBridge.remoteExec.test.cjs

@@ -0,0 +1,53 @@
+"use strict";
+
+const test = require("node:test");
+const assert = require("node:assert/strict");
+const { EventEmitter } = require("node:events");
+const { _execSshCommandCancellableForTests } = require("./transferBridge.cjs");
+
+test("same-host copy can cancel before SSH exec opens and closes a late stream", async () => {
+  let callback;
+  const sshClient = { exec(_command, next) { callback = next; } };
+  const transfer = { cancelled: false, abort: null };
+  const result = _execSshCommandCancellableForTests(sshClient, "cp", transfer);
+  transfer.cancelled = true;
+  transfer.abort();
+  await assert.rejects(result, /Transfer cancelled/);
+
+  const stream = new EventEmitter();
+  stream.stderr = new EventEmitter();
+  let closed = 0;
+  stream.close = () => { closed += 1; };
+  callback(null, stream);
+  assert.ok(closed > 0);
+  assert.equal(transfer.abort, null);
+});
+
+test("same-host copy rejects output floods and SSH stream errors", async () => {
+  {
+    const stream = new EventEmitter();
+    stream.stderr = new EventEmitter();
+    stream.close = () => {};
+    stream.destroy = () => {};
+    const result = _execSshCommandCancellableForTests(
+      { exec(_command, next) { next(null, stream); } },
+      "cp",
+      { cancelled: false, abort: null },
+    );
+    stream.stderr.emit("data", Buffer.alloc(64 * 1024 + 1));
+    await assert.rejects(result, /output exceeded/);
+  }
+  {
+    const stream = new EventEmitter();
+    stream.stderr = new EventEmitter();
+    stream.close = () => {};
+    stream.destroy = () => {};
+    const result = _execSshCommandCancellableForTests(
+      { exec(_command, next) { next(null, stream); } },
+      "cp",
+      { cancelled: false, abort: null },
+    );
+    stream.emit("error", new Error("copy stream failed"));
+    await assert.rejects(result, /copy stream failed/);
+  }
+});