feat: add test

packages/dubbo-observable/src/qps-counter.spec.ts

@@ -1,5 +1,49 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 
+import { QpsCounter } from "./qps-counter.js";
 
-describe("QpsCounter Error", () => {
-  console.log("");
-})
+describe("QpsCounter", function () {
+  let qpsCounter = new QpsCounter();
+
+  beforeEach(function () {
+    jasmine.clock().install();
+    jasmine.clock().mockDate(new Date());
+    qpsCounter = new QpsCounter();
+  });
+
+  afterEach(function () {
+    jasmine.clock().uninstall();
+    qpsCounter.stop();
+  });
+
+  it("should initialize counter correctly", function () {
+    expect(qpsCounter).toBeDefined();
+    expect(qpsCounter.getQps()).toBe(0);
+  });
+
+  it("should increment the counter correctly", function () {
+    qpsCounter.increment();
+    qpsCounter.increment();
+    qpsCounter.increment();
+    expect(qpsCounter.getQps()).toBe(0);
+
+    jasmine.clock().tick(1000);
+
+    expect(qpsCounter.getQps()).toBe(3);
+  });
+});