test(main): completar fase 2 con cobertura de iconos y timing

src/tests/process-manager.test.ts

@@ -122,3 +122,71 @@ test("stopNodeCG envía SIGTERM y luego SIGKILL si el proceso no sale", async ()
   child.emit("exit", 0, null);
   await stopPromise;
 });
+
+
+test("stopNodeCG reutiliza la misma promesa cuando se invoca en paralelo", async () => {
+  const child = new MockChildProcess(5555);
+
+  const manager = createNodecgProcessManager({
+    isDev: true,
+    nodecgPath: "/fake/nodecg",
+    baseUrl: "http://127.0.0.1:9090",
+    runtimeConfig: getBaseConfig(),
+    log: () => undefined,
+    deps: {
+      pathExists: () => true,
+      spawnProcess: () => child as unknown as import("node:child_process").ChildProcess,
+      fetchUrl: async () => ({ ok: false, status: 404 } as Response),
+      killProcess: () => undefined,
+      setTimer: () => 0,
+      stdoutWrite: () => undefined,
+      stderrWrite: () => undefined,
+    },
+  });
+
+  manager.startNodeCG();
+  const firstStop = manager.stopNodeCG();
+  const secondStop = manager.stopNodeCG();
+
+  assert.equal(firstStop, secondStop);
+
+  child.emit("exit", 0, null);
+  await firstStop;
+});
+
+test("stopNodeCG normaliza timeout negativo a cero", async () => {
+  const child = new MockChildProcess(7777);
+  const timeouts: number[] = [];
+
+  const manager = createNodecgProcessManager({
+    isDev: true,
+    nodecgPath: "/fake/nodecg",
+    baseUrl: "http://127.0.0.1:9090",
+    runtimeConfig: {
+      ...getBaseConfig(),
+      nodecgKillTimeoutMs: -10,
+    },
+    log: () => undefined,
+    deps: {
+      pathExists: () => true,
+      spawnProcess: () => child as unknown as import("node:child_process").ChildProcess,
+      fetchUrl: async () => ({ ok: false, status: 404 } as Response),
+      killProcess: () => undefined,
+      setTimer: (handler, timeoutMs) => {
+        timeouts.push(timeoutMs);
+        handler();
+        return 0;
+      },
+      stdoutWrite: () => undefined,
+      stderrWrite: () => undefined,
+    },
+  });
+
+  manager.startNodeCG();
+  const stopPromise = manager.stopNodeCG();
+
+  assert.ok(timeouts.includes(0));
+
+  child.emit("exit", 0, null);
+  await stopPromise;
+});