Add unit testing library to @sourcebot/backend (#65)

Author: brendan-kellam

.github/workflows/test-backend.yml

@@ -0,0 +1,28 @@
+name: Test Backend
+
+on:
+  pull_request:
+    branches: ["main"]
+
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+        with:
+          submodules: "true"
+      - name: Use Node.Js
+        uses: actions/setup-node@v4
+        with:
+            node-version: '20.x'
+    
+      - name: Install
+        run: yarn install --frozen-lockfile
+    
+      - name: Test
+        run: yarn workspace @sourcebot/backend test
+    

package.json

@@ -5,6 +5,7 @@
     ],
     "scripts": {
         "build": "yarn workspaces run build",
+        "test": "yarn workspace @sourcebot/backend test",
         "dev": "npm-run-all --print-label --parallel dev:zoekt dev:backend dev:web",
         "dev:zoekt": "export PATH=\"$PWD/bin:$PATH\" && zoekt-webserver -index .sourcebot/index -rpc",
         "dev:backend": "yarn workspace @sourcebot/backend dev:watch",

packages/backend/package.json

@@ -8,7 +8,8 @@
         "dev:watch": "yarn generate:types && tsc-watch --preserveWatchOutput --onSuccess \"yarn dev --configPath ../../config.json --cacheDir ../../.sourcebot\"",
         "dev": "export PATH=\"$PWD/../../bin:$PATH\" && export CTAGS_COMMAND=ctags && node ./dist/index.js",
         "build": "yarn generate:types && tsc",
-        "generate:types": "tsx tools/generateTypes.ts"
+        "generate:types": "tsx tools/generateTypes.ts",
+        "test": "vitest --config ./vitest.config.ts"
     },
     "devDependencies": {
         "@types/argparse": "^2.0.16",
@@ -17,7 +18,8 @@
         "json-schema-to-typescript": "^15.0.2",
         "tsc-watch": "^6.2.0",
         "tsx": "^4.19.1",
-        "typescript": "^5.6.2"
+        "typescript": "^5.6.2",
+        "vitest": "^2.1.4"
     },
     "dependencies": {
         "@gitbeaker/rest": "^40.5.1",