run jest (#4177)

* run jest

* wip

* wip

* wip

* wip

* skip frontend

* rename

* force failure

* fix forced error
try layer caching for speed

* test cache

* revert forced failure

* remove branch test

.github/workflows/run-tests.yaml

@@ -0,0 +1,77 @@
+name: Run backend tests
+
+concurrency:
+  group: build-${{ github.ref }}
+  cancel-in-progress: true
+
+on:
+  pull_request:
+    types: [opened, synchronize, reopened]
+    paths:
+      - "server/**.js"
+      - "collector/**.js"
+
+jobs:
+  run-script:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v2
+
+      - name: Set up Node.js
+        uses: actions/setup-node@v3
+        with:
+          node-version: '18'
+
+      - name: Cache root dependencies
+        uses: actions/cache@v3
+        with:
+          path: |
+            node_modules
+            ~/.cache/yarn
+          key: ${{ runner.os }}-yarn-root-${{ hashFiles('**/yarn.lock') }}
+          restore-keys: |
+            ${{ runner.os }}-yarn-root-
+
+      - name: Cache server dependencies
+        uses: actions/cache@v3
+        with:
+          path: |
+            server/node_modules
+            ~/.cache/yarn
+          key: ${{ runner.os }}-yarn-server-${{ hashFiles('server/yarn.lock') }}
+          restore-keys: |
+            ${{ runner.os }}-yarn-server-
+
+      - name: Cache collector dependencies
+        uses: actions/cache@v3
+        with:
+          path: |
+            collector/node_modules
+            ~/.cache/yarn
+          key: ${{ runner.os }}-yarn-collector-${{ hashFiles('collector/yarn.lock') }}
+          restore-keys: |
+            ${{ runner.os }}-yarn-collector-
+
+      - name: Install root dependencies
+        if: steps.cache-root.outputs.cache-hit != 'true'
+        run: yarn install --frozen-lockfile
+
+      - name: Install server dependencies
+        if: steps.cache-server.outputs.cache-hit != 'true'
+        run: cd server && yarn install --frozen-lockfile
+
+      - name: Install collector dependencies
+        if: steps.cache-collector.outputs.cache-hit != 'true'
+        run: cd collector && yarn install --frozen-lockfile
+
+      - name: Setup environment and Prisma
+        run: yarn setup:envs && yarn prisma:setup
+
+      - name: Run test suites
+        run: yarn test
+
+      - name: Fail job on error
+        if: failure()
+        run: exit 1