add test

Author: raju-opti

lib/service.spec.ts

@@ -0,0 +1,91 @@
+import { it, expect } from 'vitest';
+import { BaseService, ServiceState } from './service';
+
+class TestService extends BaseService {
+  constructor() {
+    super();
+  }
+
+  start(): void {
+    this.setState(ServiceState.Running);
+    this.startPromise.resolve();
+  }
+
+  failStart(): void {
+    this.setState(ServiceState.Failed);
+    this.startPromise.reject();
+  }
+
+  stop(): void {
+    this.setState(ServiceState.Running);
+    this.startPromise.resolve();
+  }
+
+  failStop(): void { 
+    this.setState(ServiceState.Failed);
+    this.startPromise.reject();
+  }
+  
+  setState(state: ServiceState): void {
+    this.state = state;
+  }
+}
+
+
+it('should set state to New on construction', async () => {
+  const service = new TestService();
+  expect(service.getState()).toBe(ServiceState.New);
+});
+
+it('should return correct state when getState() is called', () => {
+  const service = new TestService();
+  expect(service.getState()).toBe(ServiceState.New);
+  service.setState(ServiceState.Running);
+  expect(service.getState()).toBe(ServiceState.Running);
+  service.setState(ServiceState.Terminated);
+  expect(service.getState()).toBe(ServiceState.Terminated);
+  service.setState(ServiceState.Failed);
+  expect(service.getState()).toBe(ServiceState.Failed);
+});
+
+it('should return an appropraite promise when onRunning() is called', () => {
+  const service1 = new TestService();
+  const onRunning1 = service1.onRunning();
+
+  const service2 = new TestService();
+  const onRunning2 = service2.onRunning();
+
+  return new Promise<void>((done) => {
+    Promise.all([
+      onRunning1.then(() => {
+        expect(service1.getState()).toBe(ServiceState.Running);
+      }), onRunning2.catch(() => {
+        expect(service2.getState()).toBe(ServiceState.Failed);
+      })
+    ]).then(() => done());
+
+    service1.start();
+    service2.failStart();
+  });
+});
+
+it('should return an appropraite promise when onRunning() is called', () => {
+  const service1 = new TestService();
+  const onRunning1 = service1.onRunning();
+
+  const service2 = new TestService();
+  const onRunning2 = service2.onRunning();
+
+  return new Promise<void>((done) => {
+    Promise.all([
+      onRunning1.then(() => {
+        expect(service1.getState()).toBe(ServiceState.Running);
+      }), onRunning2.catch(() => {
+        expect(service2.getState()).toBe(ServiceState.Failed);
+      })
+    ]).then(() => done());
+
+    service1.start();
+    service2.failStart();
+  });
+});

lib/service.ts

@@ -67,11 +67,11 @@ export abstract class BaseService implements Service {
     return this.state;
   }
 
-  protected isNew(): boolean {
+  isNew(): boolean {
     return this.state === ServiceState.New;
   }
 
-  protected isDone(): boolean {
+  isDone(): boolean {
     return [
       ServiceState.Stopping,
       ServiceState.Terminated,

lib/utils/ticker/ticker.spec.ts

@@ -1,5 +1,5 @@
 /**
- * Copyright 2022, 2024, Optimizely
+ * Copyright 2024, Optimizely
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

vitest.config.mts

@@ -4,7 +4,7 @@ export default defineConfig({
   test: {
     onConsoleLog: () => true,
     environment: 'happy-dom',
-    include: ["**/ticker.spec.ts"],
+    include: ["**/service.spec.ts"],
     typecheck: {
       tsconfig: 'tsconfig.spec.json',
       exclude: ['**/index.react_native.spec.ts'],