[Init] Initial commit - NetMesh terminal manager

application/state/terminalReconnectRegistry.test.ts

@@ -0,0 +1,67 @@
+import assert from 'node:assert/strict';
+import test from 'node:test';
+
+import { createTerminalReconnectRegistry } from './terminalReconnectRegistry';
+
+test('a registered terminal session can be reconnected on request', () => {
+  const registry = createTerminalReconnectRegistry();
+  const requestedSessionIds: string[] = [];
+
+  registry.register('session-1', () => requestedSessionIds.push('session-1'));
+
+  assert.equal(registry.request('session-1'), true);
+  assert.deepEqual(requestedSessionIds, ['session-1']);
+});
+
+test('requesting a terminal session before its handler mounts reconnects after registration', () => {
+  const registry = createTerminalReconnectRegistry();
+  const requests: string[] = [];
+
+  assert.equal(registry.request('session-1'), true);
+  assert.deepEqual(requests, []);
+
+  registry.register('session-1', () => requests.push('session-1'));
+
+  assert.deepEqual(requests, ['session-1']);
+});
+
+test('cleanup only removes the handler that created it', () => {
+  const registry = createTerminalReconnectRegistry();
+  const requests: string[] = [];
+  const unregisterOldHandler = registry.register('session-1', () => requests.push('old'));
+
+  registry.register('session-1', () => requests.push('current'));
+  unregisterOldHandler();
+
+  assert.equal(registry.request('session-1'), true);
+  assert.deepEqual(requests, ['current']);
+});
+
+test('active reconnect state blocks duplicate requests and notifies subscribers', () => {
+  const registry = createTerminalReconnectRegistry();
+  const requests: string[] = [];
+  let notifications = 0;
+  const unsubscribe = registry.subscribe(() => { notifications += 1; });
+  registry.register('session-1', () => requests.push('session-1'));
+
+  registry.setActive('session-1', true);
+  assert.equal(registry.isActive('session-1'), true);
+  assert.equal(registry.request('session-1'), false);
+  assert.deepEqual(requests, []);
+
+  registry.setActive('session-1', false);
+  assert.equal(registry.request('session-1'), true);
+  assert.deepEqual(requests, ['session-1']);
+  assert.equal(notifications, 2);
+  unsubscribe();
+});
+
+test('unregistering the current handler clears active reconnect state', () => {
+  const registry = createTerminalReconnectRegistry();
+  const unregister = registry.register('session-1', () => {});
+  registry.setActive('session-1', true);
+
+  unregister();
+
+  assert.equal(registry.isActive('session-1'), false);
+});