Run browser tests in a Docker container

.github/workflows/browser-tests.js.yml

@@ -0,0 +1,18 @@
+name: Browser tests
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+
+jobs:
+  browser-tests:
+    runs-on: ubuntu-latest
+    timeout-minutes: 10
+    steps:
+      - uses: actions/[email protected]
+      - run: cp .env.development.prod .env
+      - run: sudo chown -R 1000:1000 ${GITHUB_WORKSPACE}
+      - run: docker compose run ui npm install
+      - run: docker compose --profile browser-tests up -d --wait
+      - run: docker compose exec -it ui npm run test:e2e

.github/workflows/node.js.yml

@@ -28,4 +28,3 @@ jobs:
     - run: npm run build --if-present
     - run: npm run lint -- --no-fix
     - run: npm run test:unit
-    - run: npm run test:e2e

README.md

@@ -71,3 +71,13 @@ Backend api mocks live in `/src/backend/mocks/default_handlers.js`.
 **Note**
 Firefox blocks service workers as long as we use `localhost` for local development. The only solution is to use
 chrom(ium) for now.
+
+### Running browser tests
+
+```sh
+rm -r node_modules
+docker compose run ui npm install
+docker compose --profile browser-tests up -d
+docker compose exec -it ui npm run test:e2e
+docker compose --profile browser-tests down
+```

docker-compose.yml

@@ -1,4 +1,5 @@
 version: '3.3'
+
 services:
   ui:
     env_file:
@@ -8,6 +9,22 @@ services:
     working_dir: /home/node/app
     volumes:
     - ./:/home/node/app
-    command: npm run serve -- --port 8081
+    command: npm run serve -- --port 8081 --host ui
     ports:
       - 8081:8081
+    healthcheck:
+      test: curl --fail http://ui:8081 || exit 1
+      interval: 5s
+      start_period: 0s
+
+  selenium-firefox:
+    profiles: [browser-tests]
+    image: selenium/standalone-firefox:4.21.0
+    shm_size: 2gb
+    ports:
+      - 4444:4444
+      - 7900:7900
+    healthcheck:
+      test: curl --fail http://selenium-firefox:4444 || exit 1
+      interval: 5s
+      start_period: 0s

package.json

@@ -10,7 +10,7 @@
     "serve": "vue-cli-service serve",
     "build": "vue-cli-service build",
     "test:unit": "vue-cli-service test:unit",
-    "test:e2e": "vue-cli-service test:e2e",
+    "test:e2e": "vue-cli-service test:e2e --baseUrl=http://ui:8081/",
     "lint": "vue-cli-service lint"
   },
   "dependencies": {

wdio.local.conf.js

@@ -8,14 +8,21 @@ exports.config = {
   /**
    * config for local testing
    */
+  logLevel: 'debug',
+  outputDir: '',
   maxInstances: 1,
-  services: ['geckodriver'],
+  hostname: 'selenium-firefox',
+  port: 4444,
+  path: '/wd/hub',
   capabilities: [
     {
       browserName: 'firefox',
       'moz:firefoxOptions': {
         args: ['-headless']
       },
+      'alwaysMatch': {
+        'moz:debuggerAddress': true
+      }
     }
   ]
 }