Merge pull request #305 from na2na-p/topic/test

テスト追加

.gitignore

@@ -1,3 +1,4 @@
 node_modules
+coverage
 dist/
 .env

package.json

@@ -3,13 +3,14 @@
   "version": "3.0.0-beta1",
   "description": "",
   "type": "module",
-  "main": "index.js",
+  "main": "dist/index.js",
   "scripts": {
     "start": "node --import 'data:text/javascript,import { register } from \"node:module\"; import { pathToFileURL } from \"node:url\"; register(\"./loader.mjs\", pathToFileURL(\"./\"));' dist/index.js",
     "build": "swc ./src -s -d ./dist",
     "dev": "tsx src/index.ts --watch",
     "lint": "eslint --ext .js,.ts \"./src/**/*.{js,ts}\"",
-    "test": "node --experimental-vm-modules ./node_modules/jest/bin/jest.js"
+    "test": "node --experimental-vm-modules ./node_modules/jest/bin/jest.js --coverage --silent",
+    "test:watch": "node --experimental-vm-modules ./node_modules/jest/bin/jest.js --watch"
   },
   "keywords": [],
   "author": "",
@@ -35,7 +36,7 @@
   "dependencies": {
     "@t3-oss/env-core": "^0.7.1",
     "chalk": "^5.3.0",
-    "discord.js": "^14.13.0",
+    "discord.js": "^14.14.1",
     "dotenv": "^16.3.1",
     "eslint": "^8.53.0",
     "resolve": "^1.22.8",

src/features/commands/internal/CommandBase/internal/CommandBase.class.spec.ts

@@ -0,0 +1,45 @@
+import type {
+  CacheType,
+  ChatInputCommandInteraction,
+} from '@/features/library/index.js';
+
+import { CommandBase } from './CommandBase.class.js';
+
+describe('CommandBase', () => {
+  class TestCommand extends CommandBase {
+    public readonly name = 'test';
+    public readonly description = 'test command';
+
+    public async interact(): Promise<void> {
+      // do nothing
+    }
+  }
+
+  let command: TestCommand;
+
+  beforeEach(() => {
+    command = new TestCommand();
+  });
+
+  describe('register', () => {
+    it('should return the command instance', () => {
+      expect(command.register()).toBe(command);
+    });
+  });
+
+  describe('isInteract', () => {
+    it('should return true if the interaction command name matches the command name', () => {
+      const interaction = { commandName: 'test' } as Readonly<
+        ChatInputCommandInteraction<CacheType>
+      >;
+      expect(command.isInteract({ interaction })).toBe(true);
+    });
+
+    it('should return false if the interaction command name does not match the command name', () => {
+      const interaction = { commandName: 'other' } as Readonly<
+        ChatInputCommandInteraction<CacheType>
+      >;
+      expect(command.isInteract({ interaction })).toBe(false);
+    });
+  });
+});

src/features/commands/internal/Ping/internal/Ping.class.spec.ts

@@ -0,0 +1,32 @@
+import type {
+  CacheType,
+  ChatInputCommandInteraction,
+} from '@/features/library/index.js';
+
+import { Ping } from './Ping.class.js';
+
+describe('Ping', () => {
+  let ping: Ping;
+
+  beforeEach(() => {
+    ping = new Ping();
+  });
+
+  describe('interact', () => {
+    it('should reply with the RTT in milliseconds', async () => {
+      const interaction = {
+        createdAt: new Date('2022-01-01T00:00:00.000Z'),
+        reply: jest.fn(),
+      } as unknown as Readonly<ChatInputCommandInteraction<CacheType>>;
+      const expectedRTT = 100;
+
+      jest
+        .spyOn(Date, 'now')
+        .mockReturnValueOnce(new Date('2022-01-01T00:00:00.100Z').getTime());
+
+      await ping.interact({ interaction });
+
+      expect(interaction.reply).toHaveBeenCalledWith(`RTT: ${expectedRTT}ms`);
+    });
+  });
+});

src/features/commands/internal/Ping/internal/Ping.class.ts

@@ -1,3 +1,4 @@
+import { getRTT } from './funcs/getRTT/index.js';
 import type { InteractArgs } from '../../CommandBase/index.js';
 import { CommandBase } from '../../CommandBase/index.js';
 
@@ -7,7 +8,10 @@ export class Ping extends CommandBase {
 
   public override async interact({ interaction }: InteractArgs): Promise<void> {
     interaction.reply(
-      `RTT: ${new Date().getTime() - interaction.createdAt.getTime()}ms`
+      `RTT: ${getRTT({
+        serverTime: interaction.createdAt.getTime(),
+        localTime: Date.now(),
+      })}ms`
     );
 
     return;

src/features/commands/internal/Ping/internal/funcs/getRTT/index.ts

@@ -0,0 +1 @@
+export { getRTT } from './internal/getRTT.js';

src/features/commands/internal/Ping/internal/funcs/getRTT/internal/getRTT.spec.ts

@@ -0,0 +1,13 @@
+import { getRTT } from './getRTT.js';
+
+describe('getRTT', () => {
+  it('should return the correct RTT', () => {
+    const localTime = 1000;
+    const serverTime = 500;
+    const expectedRTT = localTime - serverTime;
+
+    const result = getRTT({ localTime, serverTime });
+
+    expect(result).toBe(expectedRTT);
+  });
+});

src/features/commands/internal/Ping/internal/funcs/getRTT/internal/getRTT.ts

@@ -0,0 +1,10 @@
+// ローカルタイム-サーバタイムの引き算をする
+export const getRTT = ({
+  localTime,
+  serverTime,
+}: {
+  localTime: number;
+  serverTime: number;
+}): number => {
+  return localTime - serverTime;
+};