[Init] Initial commit - NetMesh terminal manager

electron/bridges/sshBridge.zmodemBackpressure.test.cjs

@@ -0,0 +1,30 @@
+"use strict";
+
+const assert = require("node:assert/strict");
+const fs = require("node:fs");
+const test = require("node:test");
+
+test("SSH ZMODEM uploads wire stream backpressure to a real drain wait", () => {
+  const bridgeSource = fs.readFileSync(require.resolve("./sshBridge.cjs"), "utf8");
+  const zmodemSource = fs.readFileSync(require.resolve("./zmodemHelper.cjs"), "utf8");
+  const startSessionSource = fs.readFileSync(
+    require.resolve("./sshBridge/startSession.cjs"),
+    "utf8",
+  );
+
+  assert.match(
+    bridgeSource,
+    /createZmodemSentry,\s*waitForWritableDrain/,
+    "sshBridge must pass the shared drain helper into the SSH session factory",
+  );
+  assert.match(
+    startSessionSource,
+    /waitForTransportDrain\(drainOpts = {}\)[\s\S]*?waitForWritableDrain\(stream, {[\s\S]*?progressIntervalMs: 1000[\s\S]*?stream\._chunk\?\.length/,
+    "SSH ZMODEM must count partial ssh2 channel-window delivery as progress",
+  );
+  assert.match(
+    zmodemSource,
+    /For all other errors[\s\S]*?transferAbortController\?\.abort\(\)[\s\S]*?currentZSession = null/,
+    "a sentry protocol error must wake an upload blocked on SSH drain",
+  );
+});