E2E parallelization in run-cypress-tests action

Use cypress-parallel command in the CI to run e2e tests in three threads

Author: Samuli Rasi

.github/workflows/test-run-cypress-tests-action.yml

@@ -8,7 +8,7 @@ on:
 jobs:
   run_cypress_tests:
     name: Run cypress e2e tests from docker
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest-4-cores
 
     steps:
       - name: Checkout code
@@ -22,3 +22,7 @@ jobs:
 
       - name: Run e2e tests from github action
         uses: ./github-actions/run-cypress-tests
+        with:
+          threads: '3'
+          video: 'false'
+          test-tags: ''

github-actions/run-cypress-tests/action.yml

@@ -10,6 +10,11 @@ inputs:
       it to ''.
     required: false
     default: "@smoke"
+  threads:
+    description:
+      Amount of parallel executors. Supported values are 1-3.
+    required: false
+    default: "1"
   video:
     description: 
       Turn video on or off. Supported values are 'true' and 'false'.
@@ -19,25 +24,27 @@ inputs:
 runs:
   using: "composite"
   steps:
-    - name: Run tests using the e2e docker bundle's cypress container
+    - name: Run the tests
       if: inputs.video == 'false'
       run: |
         docker exec cypress \
-          bash -c "yarn test:e2e --env grepTags='${{ inputs.test-tags }}'"
+          bash -c "yarn ws:db build && yarn ws:e2e cypress-parallel --script cy:run --threads ${{ inputs.threads }} \
+          --verbose --reporterModulePath '../node_modules/cypress-multi-reporters' --specsDir 'e2e/*.cy.ts' --weightsJson './parallel-weights.json'"
       shell: bash
 
-    - name: Run tests and enable video
+    - name: Run the tests and record video
       if: inputs.video == 'true'
       run: |
         docker exec cypress \
-          bash -c "yarn test:e2e --config-file cypress.config.video.ts --env grepTags='${{ inputs.test-tags }}'"
+          bash -c "yarn ws:db build && yarn ws:e2e cypress-parallel --script cy:run:video --threads ${{ inputs.threads }} \
+          --verbose --reporterModulePath '../node_modules/cypress-multi-reporters' --specsDir 'e2e/*.cy.ts' --weightsJson './parallel-weights.json'"
       shell: bash
 
     - name: Retrieve test reports from container
       # should be run even if the tests fail
       if: always()
       run: |
-        docker cp cypress:/e2e/cypress/reports ${{ github.workspace }}/cypress/ || echo "No reports"
+        docker cp cypress:/e2e/cypress/reports ${{ github.workspace }}/test-reports || echo "No reports"
       shell: bash
 
     - name: Upload test reports as an artifact
@@ -47,7 +54,7 @@ runs:
       with:
         name: cypress-docker-reports
         path: |
-          ${{ github.workspace }}/cypress/reports
+          ${{ github.workspace }}/test-reports
 
     - name: Fail the job
       # should fail the job if the tests fail