chore: Split cypress tests locally

.github/workflows/e2e.yml

@@ -28,7 +28,6 @@ env:
       ) || 
       github.event.before
     }}
-  shouldRunParallel: ${{ secrets.CYPRESS_RECORD_KEY != '' && !(github.event_name == 'push' && github.ref == 'refs/heads/develop') }}
 jobs:
   cache:
     runs-on: ubuntu-latest
@@ -119,26 +118,24 @@ jobs:
       - name: Cypress run
         uses: cypress-io/github-action@df7484c5ba85def7eef30db301afa688187bc378 # v6.7.2
         id: cypress
-        # If CYPRESS_RECORD_KEY is set, run in parallel on all containers
-        # Otherwise (e.g. if running from fork), we run on a single container only
-        if: ${{ env.shouldRunParallel == 'true' || ( matrix.containers == 1 ) }}
         with:
           install: false
           start: pnpm run dev:coverage
           wait-on: 'http://localhost:9000'
           browser: chrome
           # Disable recording if we don't have an API key
           # e.g. if this action was run from a fork
-          record: ${{ env.shouldRunParallel == 'true' }}
-          parallel: ${{ env.shouldRunParallel == 'true' }}
+          record: ${{ secrets.CYPRESS_RECORD_KEY != '' }}
         env:
           CYPRESS_RECORD_KEY: ${{ secrets.CYPRESS_RECORD_KEY }}
           VITEST_COVERAGE: true
           CYPRESS_COMMIT: ${{ github.sha }}
           ARGOS_TOKEN: ${{ secrets.ARGOS_TOKEN }}
-          ARGOS_PARALLEL: ${{ env.shouldRunParallel == 'true' }}
-          ARGOS_PARALLEL_TOTAL: 4
-          ARGOS_PARALLEL_INDEX: ${{ matrix.containers }}
+          ARGOS_PARALLEL: true
+          ARGOS_PARALLEL_TOTAL: ${{ strategy.job-total }}
+          ARGOS_PARALLEL_INDEX: ${{ strategy.job-index }}
+          SPLIT: ${{ strategy.job-total }}
+          SPLIT_INDEX: ${{ strategy.job-index }}
 
       - name: Upload Coverage to Codecov
         uses: codecov/codecov-action@e28ff129e5465c2c0dcc6f003fc735cb6ae0c673 # v4.5.0

cypress.config.ts

@@ -1,8 +1,9 @@
-import { defineConfig } from 'cypress';
-import { addMatchImageSnapshotPlugin } from 'cypress-image-snapshot/plugin';
-import coverage from '@cypress/code-coverage/task';
 import eyesPlugin from '@applitools/eyes-cypress';
 import { registerArgosTask } from '@argos-ci/cypress/task';
+import coverage from '@cypress/code-coverage/task';
+import { defineConfig } from 'cypress';
+import { addMatchImageSnapshotPlugin } from 'cypress-image-snapshot/plugin';
+import cypressSplit from 'cypress-split';
 
 export default eyesPlugin(
   defineConfig({
@@ -13,6 +14,7 @@ export default eyesPlugin(
       specPattern: 'cypress/integration/**/*.{js,ts}',
       setupNodeEvents(on, config) {
         coverage(on, config);
+        cypressSplit(on, config);
         on('before:browser:launch', (browser, launchOptions) => {
           if (browser.name === 'chrome' && browser.isHeadless) {
             launchOptions.args.push('--window-size=1440,1024', '--force-device-scale-factor=1');

package.json

@@ -91,6 +91,7 @@
     "cspell": "^8.6.0",
     "cypress": "^13.14.1",
     "cypress-image-snapshot": "^4.0.1",
+    "cypress-split": "^1.24.0",
     "esbuild": "^0.21.5",
     "eslint": "^9.4.0",
     "eslint-config-prettier": "^9.1.0",