Merge pull request #41039 from nextcloud/fix/run-cypress-always-parallel

feat(cypress): Always run cypress CI in parallel

.github/workflows/cypress.yml

@@ -72,15 +72,11 @@ jobs:
       fail-fast: false
       matrix:
         # Run multiple copies of the current job in parallel
-        # Please increase the number or runners as your tests suite grows
-        containers: ["component", 1, 2]
-        # Only use cypress cloud for PRs
-        use-cypress-cloud:
-          - ${{ !!github.head_ref }}
-        # Only use one container if we are not using the cypress cloud.
-        exclude:
-          - use-cypress-cloud: false
-            containers: 2
+        # Please increase the number or runners as your tests suite grows (0 based index for e2e tests)
+        containers: ["component", 0, 1, 2]
+        # Hack as strategy.job-total includes the component and GitHub does not allow math expressions
+        # Always aling this number with the total of e2e runners (max. index + 1)
+        total-containers: [3]
 
     name: runner ${{ matrix.containers }}
 
@@ -103,9 +99,6 @@ jobs:
       - name: Run ${{ matrix.containers == 'component' && 'component' || 'E2E' }} cypress tests
         uses: cypress-io/github-action@59810ebfa5a5ac6fcfdcfdf036d1cd4d083a88f2 # v6.5.0
         with:
-          record: ${{ !!matrix.use-cypress-cloud }}
-          parallel: ${{ !!matrix.use-cypress-cloud }}
-          # cypress run type
           component: ${{ matrix.containers == 'component' }}
           group: ${{ matrix.use-cypress-cloud && matrix.containers == 'component' && 'Run component' || matrix.use-cypress-cloud && 'Run E2E' || '' }}
           # cypress env
@@ -120,6 +113,8 @@ jobs:
           TESTING: true
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           CYPRESS_RECORD_KEY: ${{ secrets.CYPRESS_RECORD_KEY }}
+          SPLIT: ${{ matrix.total-containers }}
+          SPLIT_INDEX: ${{ matrix.containers == 'component' && 0 || matrix.containers }}
 
       - name: Upload snapshots
         uses: actions/upload-artifact@a8a3f3ad30e3422c9c7b888a15615d19a852ae32 # v3.1.3

cypress.config.ts

@@ -6,6 +6,7 @@ import {
 	waitOnNextcloud,
 } from './cypress/dockerNode'
 import { defineConfig } from 'cypress'
+import cypressSplit from 'cypress-split'
 import webpackPreprocessor from '@cypress/webpack-preprocessor'
 import type { Configuration } from 'webpack'
 
@@ -47,6 +48,8 @@ export default defineConfig({
 		// We've imported your old cypress plugins here.
 		// You may want to clean this up later by importing these.
 		async setupNodeEvents(on, config) {
+			cypressSplit(on, config)
+
 			on('file:preprocessor', webpackPreprocessor({ webpackOptions: webpackConfig as Configuration }))
 
 			// Disable spell checking to prevent rendering differences
@@ -76,18 +79,16 @@ export default defineConfig({
 
 			// Before the browser launches
 			// starting Nextcloud testing container
-			return startNextcloud(process.env.BRANCH)
-				.then((ip) => {
-					// Setting container's IP as base Url
-					config.baseUrl = `http://${ip}/index.php`
-					return ip
-				})
-				.then(waitOnNextcloud)
-				.then(configureNextcloud)
-				.then(applyChangesToNextcloud)
-				.then(() => {
-					return config
-				})
+			const ip = await startNextcloud(process.env.BRANCH)
+
+			// Setting container's IP as base Url
+			config.baseUrl = `http://${ip}/index.php`
+			await waitOnNextcloud(ip)
+			await configureNextcloud()
+			await applyChangesToNextcloud()
+
+			// IMPORTANT: return the config otherwise cypress-split will not work
+			return config
 		},
 	},
 

package.json

@@ -143,6 +143,7 @@
     "css-loader": "^6.8.1",
     "cypress": "^13.3.0",
     "cypress-if": "^1.10.5",
+    "cypress-split": "^1.15.3",
     "cypress-wait-until": "^2.0.1",
     "dockerode": "^4.0.0",
     "eslint-plugin-cypress": "^2.15.1",