[Init] Initial commit - NetMesh terminal manager

electron/bridges/terminalFlowPauseArbiter.test.cjs

@@ -0,0 +1,66 @@
+"use strict";
+
+const assert = require("node:assert/strict");
+const test = require("node:test");
+
+const { createTerminalFlowPauseArbiter } = require("./terminalFlowPauseArbiter.cjs");
+
+const make = () => {
+  let nextLease = 0;
+  return createTerminalFlowPauseArbiter({
+    createLeaseId: () => `lease-${++nextLease}`,
+  });
+};
+
+test("leases from isolated renderers resume only after both release", () => {
+  const arbiter = make();
+  const home = arbiter.acquire("session-1", 10);
+  const popup = arbiter.acquire("session-1", 20);
+
+  assert.deepEqual(arbiter.release("session-1", 10, home.leaseId), {
+    success: true,
+    paused: true,
+  });
+  assert.deepEqual(arbiter.release("session-1", 20, popup.leaseId), {
+    success: true,
+    paused: false,
+  });
+});
+
+test("one renderer cannot release another renderer's lease", () => {
+  const arbiter = make();
+  const home = arbiter.acquire("session-1", 10);
+
+  assert.deepEqual(arbiter.release("session-1", 20, home.leaseId), {
+    success: false,
+    paused: true,
+  });
+  assert.equal(arbiter.owns("session-1", 10, home.leaseId), true);
+});
+
+test("direct flow resume cannot override a lease in another renderer", () => {
+  const arbiter = make();
+  const popup = arbiter.acquire("session-1", 20);
+
+  assert.equal(arbiter.setDirectPaused("session-1", 10, true), true);
+  assert.equal(arbiter.setDirectPaused("session-1", 10, false), true);
+  assert.equal(arbiter.release("session-1", 20, popup.leaseId).paused, false);
+});
+
+test("attach recovery release cannot override a home renderer lease", () => {
+  const arbiter = make();
+  const home = arbiter.acquire("session-1", 10);
+
+  assert.equal(arbiter.setDirectPaused("session-1", "main:attach-restore", true), true);
+  assert.equal(arbiter.setDirectPaused("session-1", "main:attach-restore", false), true);
+  assert.equal(arbiter.release("session-1", 10, home.leaseId).paused, false);
+});
+
+test("destroying one renderer preserves other renderers' pause owners", () => {
+  const arbiter = make();
+  arbiter.acquire("session-1", 10);
+  const popup = arbiter.acquire("session-1", 20);
+
+  assert.deepEqual(arbiter.clearSender(10), []);
+  assert.equal(arbiter.release("session-1", 20, popup.leaseId).paused, false);
+});