Add cypress tests

.github/workflows/cypress_tests.yaml

@@ -0,0 +1,51 @@
+name: Cypress Tests
+
+on:
+    pull_request:
+
+jobs:
+    cypress-tests:
+        name: Cypress Tests
+        runs-on: ubuntu-latest
+        steps:
+            -   uses: actions/checkout@v2
+            -   uses: shivammathur/setup-php@v2
+                with:
+                    # test the lowest version, to make sure checks pass on it
+                    php-version: 7.2
+                    extensions: json, mbstring, pdo, curl, pdo_sqlite
+                    coverage: none
+            -   uses: actions/setup-node@v1
+                with:
+                    node-version: 12.5
+            # See https://github.community/t/sudo-apt-install-fails-with-failed-to-fetch-http-security-ubuntu-com-404-not-found-ip/17075
+            -   run: sudo apt update
+            -   name: Install dependencies
+                run: |
+                    sudo composer self-update -q
+                    sudo COMPOSER_MEMORY_LIMIT=-1 COMPOSER_PROCESS_TIMEOUT=60 composer update --prefer-dist --no-progress
+                    ./bin/console bolt:info	--ansi
+                    npm set progress=false
+                    npm ci
+                    mkdir -p ./var/log/e2e-reports/report/features/
+                    touch ./var/log/e2e-reports/report/features/.gitkeep
+                    # Install latest stable Chrome for e2e tests
+                    sudo apt-get install libxss1 libappindicator1 libindicator7
+                    wget https://dl.google.com/linux/direct/google-chrome-stable_current_amd64.deb
+                    sudo apt install ./google-chrome*.deb
+            -   name: Prepare environment
+                run: |
+                    # build assets
+                    npm run build
+                    sudo chmod -R 777 config/ public/files/ public/theme/ public/thumbs/ var/
+                    # prepare web server for e2e tests
+                    ./bin/console doctrine:database:create
+                    ./bin/console doctrine:schema:create
+                    ./bin/console doctrine:fixtures:load --group=without-images -n
+                    ./bin/console server:start 127.0.0.1:8088
+                    # test if web server works
+                    sleep 3
+                    wget "http://127.0.0.1:8088/bolt/login"
+
+            -   name: Cypress run
+                uses: cypress-io/github-action@v2

cypress.json

@@ -0,0 +1,8 @@
+{
+    "integrationFolder": "tests/cypress/integration",
+    "pluginsFile": "tests/cypress/plugins/index.js",
+    "screenshotsFolder": "tests/cypress/screenshots",
+    "videosFolder": "tests/cypress/videos",
+    "supportFile": "tests/cypress/support/index.js",
+    "baseUrl": "http://127.0.0.1:8088"
+}