ci: Parallelize unit tests on the CI (no-changelog)

.github/actions/build-n8n/action.yml

@@ -0,0 +1,37 @@
+name: 'Build n8n'
+description: 'Build n8n and cache the dist folder'
+inputs:
+  ref:
+    description: 'GitHub ref to build'
+    required: true
+    type: string
+  cacheKey:
+    description: 'Cache key for modules and build artifacts'
+    required: true
+    type: string
+  nodeVersion:
+    description: 'Version of node to use.'
+    required: false
+    type: string
+    default: '18.x'
+
+runs:
+  using: 'composite'
+  steps:
+    - run: corepack enable
+    - uses: actions/setup-node@v4.0.1
+      with:
+        node-version: ${{ inputs.nodeVersion }}
+        cache: pnpm
+
+    - name: Install dependencies
+      run: pnpm install --frozen-lockfile
+
+    - name: Build
+      run: pnpm build
+
+    - name: Cache build artifacts
+      uses: actions/cache/save@v4.0.0
+      with:
+        path: ./packages/**/dist
+        key: ${{ inputs.cacheKey }}

.github/workflows/ci-master.yml

@@ -6,83 +6,38 @@ on:
       - master
 
 jobs:
-  install-and-build:
+  build:
     runs-on: ubuntu-latest
-
-    timeout-minutes: 30
-
-    strategy:
-      matrix:
-        node-version: [18.x, 20.x]
-
     steps:
       - uses: actions/checkout@v4.1.1
-
-      - run: corepack enable
-      - name: Use Node.js ${{ matrix.node-version }}
-        uses: actions/setup-node@v4.0.1
         with:
-          node-version: ${{ matrix.node-version }}
-          cache: pnpm
-
-      - name: Install dependencies
-        run: pnpm install --frozen-lockfile
-
-      - name: Build
-        run: pnpm build
+          ref: ${{ github.sha }}
 
-      - name: Cache build artifacts
-        uses: actions/cache/save@v4.0.0
+      - uses: ./.github/actions/build-n8n
         with:
-          path: ./packages/**/dist
-          key: ${{ github.sha }}-base:${{ matrix.node-version }}-test-lint
+          ref: ${{ github.sha }}
+          cacheKey: ${{ github.sha }}:build
 
   unit-test:
     name: Unit tests
-    uses: ./.github/workflows/units-tests-reusable.yml
-    needs: install-and-build
+    uses: ./.github/workflows/reusable-units-tests.yml
+    needs: build
     strategy:
       matrix:
         node-version: [18.x, 20.x]
     with:
       ref: ${{ inputs.branch }}
       nodeVersion: ${{ matrix.node-version }}
-      cacheKey: ${{ github.sha }}-base:${{ matrix.node-version }}-test-lint
+      cacheKey: ${{ github.sha }}:build
       collectCoverage: true
 
   lint:
     name: Lint changes
-    runs-on: ubuntu-latest
-    needs: install-and-build
-    strategy:
-      matrix:
-        node-version: [18.x, 20.x]
-    steps:
-      - uses: actions/checkout@v4.1.1
-        with:
-          repository: n8n-io/n8n
-          ref: ${{ inputs.branch }}
-
-      - run: corepack enable
-      - name: Use Node.js ${{ matrix.node-version }}
-        uses: actions/setup-node@v4.0.1
-        with:
-          node-version: ${{ matrix.node-version }}
-          cache: pnpm
-
-      - name: Install dependencies
-        run: pnpm install --frozen-lockfile
-
-      - name: Restore cached build artifacts
-        uses: actions/cache/restore@v4.0.0
-        with:
-          path: ./packages/**/dist
-          key: ${{ github.sha }}-base:${{ matrix.node-version }}-test-lint
-
-      - name: Lint
-        env:
-          CI_LINT_MASTER: true
-        run: pnpm lint
+    uses: ./.github/workflows/reusable-linting.yml
+    needs: build
+    with:
+      ref: ${{ inputs.branch }}
+      cacheKey: ${{ github.sha }}:build
 
   notify-on-failure:
     name: Notify Slack on failure

.github/workflows/ci-postgres-mysql.yml

@@ -32,7 +32,7 @@ jobs:
         uses: actions/cache/save@v4.0.0
         with:
           path: ./packages/**/dist
-          key: ${{ github.sha }}:db-tests
+          key: ${{ github.sha }}:build:backend
 
   mysql:
     name: MySQL
@@ -54,7 +54,7 @@ jobs:
         uses: actions/cache/restore@v4.0.0
         with:
           path: ./packages/**/dist
-          key: ${{ github.sha }}:db-tests
+          key: ${{ github.sha }}:build:backend
 
       - name: Start MySQL
         uses: isbang/compose-action@v1.5.1
@@ -87,7 +87,7 @@ jobs:
         uses: actions/cache/restore@v4.0.0
         with:
           path: ./packages/**/dist
-          key: ${{ github.sha }}:db-tests
+          key: ${{ github.sha }}:build:backend
 
       - name: Start Postgres
         uses: isbang/compose-action@v1.5.1

.github/workflows/ci-pull-requests.yml

@@ -9,61 +9,25 @@ jobs:
     steps:
       - uses: actions/checkout@v4.1.1
         with:
-          repository: n8n-io/n8n
-          ref: refs/pull/${{ github.event.pull_request.number }}/merge
-
-      - run: corepack enable
-      - name: Use Node.js 18
-        uses: actions/setup-node@v4.0.1
-        with:
-          node-version: 18.x
-          cache: pnpm
-
-      - name: Install dependencies
-        run: pnpm install --frozen-lockfile
-
-      - name: Build
-        run: pnpm build
+          ref: ${{ github.sha }}
 
-      - name: Cache build artifacts
-        uses: actions/cache/save@v4.0.0
+      - uses: ./.github/actions/build-n8n
         with:
-          path: ./packages/**/dist
-          key: ${{ github.sha }}-base:18-test-lint
+          ref: refs/pull/${{ github.event.pull_request.number }}/merge
+          cacheKey: ${{ github.sha }}:build
 
   unit-test:
     name: Unit tests
-    uses: ./.github/workflows/units-tests-reusable.yml
+    uses: ./.github/workflows/reusable-units-tests.yml
     needs: install
     with:
       ref: refs/pull/${{ github.event.pull_request.number }}/merge
-      cacheKey: ${{ github.sha }}-base:18-test-lint
+      cacheKey: ${{ github.sha }}:build
 
   lint:
-    name: Lint changes
-    runs-on: ubuntu-latest
+    name: Lint
+    uses: ./.github/workflows/reusable-linting.yml
     needs: install
-    steps:
-      - uses: actions/checkout@v4.1.1
-        with:
-          repository: n8n-io/n8n
-          ref: refs/pull/${{ github.event.pull_request.number }}/merge
-
-      - run: corepack enable
-      - name: Use Node.js 18
-        uses: actions/setup-node@v4.0.1
-        with:
-          node-version: 18.x
-          cache: pnpm
-
-      - name: Install dependencies
-        run: pnpm install --frozen-lockfile
-
-      - name: Restore cached build artifacts
-        uses: actions/cache/restore@v4.0.0
-        with:
-          path: ./packages/**/dist
-          key: ${{ github.sha }}-base:18-test-lint
-
-      - name: Lint
-        run: pnpm lint
+    with:
+      ref: refs/pull/${{ github.event.pull_request.number }}/merge
+      cacheKey: ${{ github.sha }}:build

.github/workflows/e2e-tests-pr.yml

@@ -13,7 +13,7 @@ concurrency:
 jobs:
   run-e2e-tests:
     name: E2E [Electron/Node 18]
-    uses: ./.github/workflows/e2e-reusable.yml
+    uses: ./.github/workflows/reusable-e2e.yml
     if: ${{ github.event.review.state == 'approved' && !contains(github.event.pull_request.labels.*.name, 'community') }}
     with:
       pr_number: ${{ github.event.pull_request.number }}

.github/workflows/e2e-tests.yml

@@ -41,7 +41,7 @@ jobs:
 
   run-e2e-tests:
     name: E2E [Electron/Node 18]
-    uses: ./.github/workflows/e2e-reusable.yml
+    uses: ./.github/workflows/reusable-e2e.yml
     with:
       branch: ${{ github.event.inputs.branch || 'master' }}
       user: ${{ github.event.inputs.user || 'PR User' }}

.github/workflows/reusable-linting.yml

@@ -0,0 +1,45 @@
+name: Reusable linting workflow
+
+on:
+  workflow_call:
+    inputs:
+      ref:
+        description: 'GitHub ref to lint.'
+        required: false
+        type: string
+        default: 'master'
+      cacheKey:
+        description: 'Cache key for modules and build artifacts.'
+        required: true
+        type: string
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        group: [backend, frontend, nodes]
+    steps:
+      - uses: actions/checkout@v4.1.1
+        with:
+          repository: n8n-io/n8n
+          ref: ${{ inputs.ref }}
+
+      - run: corepack enable
+      - name: Use Node.js 18
+        uses: actions/setup-node@v4.0.1
+        with:
+          node-version: 18.x
+          cache: pnpm
+
+      - name: Install dependencies
+        run: pnpm install --frozen-lockfile
+
+      - name: Restore cached build artifacts
+        uses: actions/cache/restore@v4.0.0
+        with:
+          path: ./packages/**/dist
+          key: ${{ inputs.cacheKey }}
+
+      - name: Lint
+        run: pnpm lint:${{ matrix.group }}

.github/workflows/units-tests-reusable.yml → .github/workflows/reusable-units-tests.yml

@@ -1,4 +1,4 @@
-name: Reusable units test workflow
+name: Reusable unit-test workflow
 
 on:
   workflow_call:
@@ -15,8 +15,7 @@ on:
         default: '18.x'
       cacheKey:
         description: 'Cache key for modules and build artifacts.'
-        required: false
-        default: ''
+        required: true
         type: string
       collectCoverage:
         required: false
@@ -25,10 +24,12 @@ on:
 
 jobs:
   unit-test:
-    name: Unit tests
     runs-on: ubuntu-latest
     env:
       COVERAGE_ENABLED: ${{ inputs.collectCoverage }}
+    strategy:
+      matrix:
+        group: [backend, frontend, nodes]
     steps:
       - uses: actions/checkout@v4.1.1
         with:
@@ -45,28 +46,43 @@ jobs:
       - name: Install dependencies
         run: pnpm install --frozen-lockfile
 
-      - name: Build
-        if: ${{ inputs.cacheKey == '' }}
-        run: pnpm build
-
       - name: Restore cached build artifacts
-        if: ${{ inputs.cacheKey != '' }}
         uses: actions/cache/restore@v4.0.0
         with:
           path: ./packages/**/dist
           key: ${{ inputs.cacheKey }}
 
-      - name: Test Backend
-        run: pnpm test:backend
-
-      - name: Test Nodes
-        run: pnpm test:nodes
+      - name: Test
+        run: pnpm test:${{ matrix.group }}
 
-      - name: Test Frontend
-        run: pnpm test:frontend
+      - name: Cache Coverage
+        if: ${{ inputs.collectCoverage == 'true' }}
+        uses: actions/cache/save@v4.0.0
+        with:
+          path: ./packages/**/coverage
+          key: ${{ inputs.cacheKey }}:${{ matrix.group }}:coverage
 
+  upload-coverage:
+    name: Upload Coverage
+    if: ${{ inputs.collectCoverage == 'true' }}
+    runs-on: ubuntu-latest
+    needs: unit-test
+    steps:
+      - uses: actions/cache/restore@v4.0.0
+        with:
+          path: ./packages/**/coverage
+          key: ${{ inputs.cacheKey }}:backend:coverage
+      - uses: actions/cache/restore@v4.0.0
+        with:
+          path: ./packages/**/coverage
+          key: ${{ inputs.cacheKey }}:frontend:coverage
+      - uses: actions/cache/restore@v4.0.0
+        with:
+          path: ./packages/**/coverage
+          key: ${{ inputs.cacheKey }}:nodes:coverage
+      - run: ls -R packages
       - name: Upload coverage to Codecov
-        if: ${{ inputs.collectCoverage == 'true' }}
-        uses: codecov/codecov-action@v3
+        uses: codecov/codecov-action@v4.0.1
         with:
-          files: packages/@n8n/chat/coverage/cobertura-coverage.xml,packages/@n8n/nodes-langchain/coverage/cobertura-coverage.xml,packages/@n8n/permissions/coverage/cobertura-coverage.xml,packages/@n8n/client-oauth2/coverage/cobertura-coverage.xml,packages/cli/coverage/cobertura-coverage.xml,packages/core/coverage/cobertura-coverage.xml,packages/design-system/coverage/cobertura-coverage.xml,packages/editor-ui/coverage/cobertura-coverage.xml,packages/nodes-base/coverage/cobertura-coverage.xml,packages/workflow/coverage/cobertura-coverage.xml
+          files: packages/**/coverage/cobertura-coverage.xml
+          token: ${{ secrets.CODECOV_TOKEN }}