[Init] Initial commit - NetMesh terminal manager

electron/bridges/sshAuthMethodCache.test.cjs

@@ -0,0 +1,34 @@
+"use strict";
+
+const assert = require("node:assert/strict");
+const test = require("node:test");
+
+const {
+  MAX_SSH_AUTH_METHOD_CACHE_ENTRIES,
+  createSshAuthMethodCache,
+} = require("./sshAuthMethodCache.cjs");
+
+test("auth method cache stays hard-bounded across thousands of endpoints", () => {
+  const cache = createSshAuthMethodCache();
+  for (let index = 0; index < 4_000; index += 1) {
+    cache.set(`root@host-${index}:22`, { method: "publickey" });
+  }
+
+  assert.equal(cache.size, MAX_SSH_AUTH_METHOD_CACHE_ENTRIES);
+  assert.equal(cache.get("root@host-0:22"), undefined);
+  assert.deepEqual(cache.get("root@host-3999:22"), { method: "publickey" });
+});
+
+test("auth method cache refreshes recency on successful lookup", () => {
+  const cache = createSshAuthMethodCache({ maxEntries: 3 });
+  cache.set("a", { method: "password" });
+  cache.set("b", { method: "publickey" });
+  cache.set("c", { method: "publickey-default" });
+
+  assert.equal(cache.get("a")?.method, "password");
+  cache.set("d", { method: "password" });
+
+  assert.equal(cache.get("b"), undefined, "least-recently-used endpoint should be evicted");
+  assert.equal(cache.get("a")?.method, "password", "cache hit must protect the refreshed endpoint");
+  assert.equal(cache.size, 3);
+});