Add pull request pipeline

Add test workflow to Artifact, Pull Request, and Build and publish workflows.
Refactor build steps into build.yml

Author: evansmj

.github/workflows/build.yml

@@ -2,11 +2,6 @@ name: Build
 
 on:
   workflow_call:
-    inputs:
-      node-version:
-        required: false
-        type: string
-        default: '18.x'
 
 jobs:
   build:

.github/workflows/ci.yml

@@ -12,12 +12,16 @@ env:
   CI: false
 
 jobs:
-  run-build:
-    uses: ./.github/workflows/build-reusable.yml
+  test:
+    uses: ./.github/workflows/test.yml
+    
+  build:
+    uses: ./.github/workflows/build.yml
+    needs: test
 
   deploy:
     runs-on: ubuntu-22.04
-    needs: run-build
+    needs: build
     steps:
       - name: Checkout source code
         uses: actions/checkout@v3

.github/workflows/github.yml

@@ -9,9 +9,13 @@ on:
   workflow_dispatch:
 
 jobs:
+  test:
+    uses: ./.github/workflows/test.yml
+
   build:
     name: Build image
     runs-on: ubuntu-22.04
+    needs: test
 
     steps:
       - name: Set env variables

.github/workflows/pr.yml

@@ -1,16 +1,12 @@
-name: Build and test Pull Request
+name: Pull Request checks
 
 on:
   pull_request:
 
 jobs:
-  run-build:
-    uses: ./.github/workflows/build-reusable.yml
+  build:
+    uses: ./.github/workflows/build.yml
 
   test:
-    runs-on: ubuntu-22.04
-    needs: run-build
-    steps:
-      - name: Run unit tests
-        run: npm run frontend:test
+    uses: ./.github/workflows/test.yml
 

.github/workflows/test.yml

@@ -0,0 +1,37 @@
+name: Unit tests
+
+on:
+  workflow_call:
+
+jobs:
+  test:
+    runs-on: ubuntu-22.04
+    steps:
+      - name: Checkout source code
+        uses: actions/checkout@v3
+
+      - name: Setup Node
+        uses: actions/setup-node@v3
+        with:
+          node-version: 18.x
+
+      - name: Get version from package.json
+        id: package-version
+        run: |
+          echo "VERSION=$(node -p "require('./package.json').version")" >> $GITHUB_ENV
+          echo "Project Version: $VERSION"
+
+      - name: Cache node_modules
+        uses: actions/cache@v3
+        id: cache-npm-packages
+        with:
+          path: node_modules
+          key: ${{ runner.OS }}-build-${{ hashFiles('**/package-lock.json') }}
+
+      - name: Install NPM dependencies
+        if: steps.cache-npm-packages.outputs.cache-hit != 'true'
+        run: npm clean-install
+
+      - name: Run frontend unit tests
+        run: npm run frontend:test
+