Implement comp tests for interactions

.github/workflows/test.yml

@@ -0,0 +1,16 @@
+on: [push]
+name: Run Tests
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  tests:
+    name: Run Tests
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: oven-sh/setup-bun@v2
+
+      - run: bun install
+      - run: bun test

README.md

@@ -11,6 +11,7 @@ This is a Discord Bot build with [Sapphire framework](https://sapphirejs.dev/),
 
 It is a part of the Sunrise project, which aims to create a fully functional osu! private server with all the features that the official server has. 
 
+This project also has **automated testing** and **CI/CD** setup with GitHub Actions! ✨
 
 ## Installation (with docker) 🐳
 1. Clone the repository

package.json

@@ -17,6 +17,7 @@
     "typescript": "^5"
   },
   "dependencies": {
+    "@faker-js/faker": "^9.9.0",
     "@sapphire/decorators": "^6.2.0",
     "@sapphire/discord.js-utilities": "^7.3.3",
     "@sapphire/framework": "^5.3.6",

src/commands/osu.command.ts

@@ -53,7 +53,7 @@ export class OsuCommand extends Subcommand {
 
     for (const cmd of subcommandModules) {
       ;(this as any)[cmd.name] = async (interaction: Subcommand.ChatInputCommandInteraction) => {
-        return cmd.run.call(this, interaction)
+        return (cmd.run as any).call(this, interaction)
       }
     }
   }

src/commands/tests/meow.command.test.ts

@@ -0,0 +1,34 @@
+import { expect, describe, it, mock, jest, beforeAll, afterAll, beforeEach } from "bun:test"
+import { MeowCommand } from "../meow.command"
+import { Mocker } from "../../lib/mock/mocker"
+import { FakerGenerator } from "../../lib/mock/faker.generator"
+
+describe("Meow Command", () => {
+  let meowCommand: MeowCommand
+  let errorHandler: jest.Mock
+
+  beforeAll(() => {
+    Mocker.createSapphireClientInstance()
+    meowCommand = Mocker.createCommandInstance(MeowCommand)
+    errorHandler = Mocker.createErrorHandler()
+  })
+
+  afterAll(async () => {
+    await Mocker.resetSapphireClientInstance()
+  })
+
+  beforeEach(() => Mocker.beforeEachCleanup(errorHandler))
+
+  it("should reply with 'meow! 😺' when chatInputRun is called", async () => {
+    const replyMock = mock()
+    const interaction = FakerGenerator.generateInteraction({
+      reply: replyMock,
+    })
+
+    await meowCommand.chatInputRun(interaction)
+
+    expect(errorHandler).not.toBeCalled()
+
+    expect(replyMock).toHaveBeenCalledWith("meow! 😺")
+  })
+})