Fix running Selenium in Docker (#2341)

Author: julianguyen

Dockerfile

@@ -15,10 +15,15 @@ RUN curl -sS https://dl.yarnpkg.com/debian/pubkey.gpg | apt-key add -\
 
 RUN apt-get clean && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
 
+# Install the postgresql client
+RUN apt-get update -qq && apt-get install -y postgresql-client
+
+RUN apt-get update && apt-get install -y iproute2
+
 RUN mkdir /app
 WORKDIR /app
 
 RUN gem install bundler -v 2.1.4
 
 ENTRYPOINT ["./docker-entrypoint.sh"]
-CMD ["bash"]
+CMD ["bash"]

config/database.yml

@@ -17,6 +17,7 @@ test:
   username: <%= ENV['PSQL_USERNAME'] %>
   password: <%= ENV['PSQL_PASSWORD'] %>
   min_messages: error
+  url: <%= ENV['DATABASE_URL'] %>
 production:
   <<: *default
   database: ifme_production

docker-compose.test.yml

@@ -1,12 +1,56 @@
 version: '3'
 services:
   app:
+    build:
+      context: .
+    volumes:
+      - .:/app
+      - node_cache:/app/client/node_modules
+      - bundle_cache:/bundle
     depends_on:
       - selenium
+      - db
     environment:
       - SELENIUM_REMOTE_HOST=selenium
+      - BUNDLE_PATH=/bundle/vendor
       - RAILS_ENV=test
-      - RACK_ENV=test
+      - NODE_ENV=test
+      - DATABASE_URL=postgres://postgres:password@db:5432/ifme_test
+      - GITHUB_CLIENT_ID=
+      - GITHUB_CLIENT_SECRET=
+      - GOOGLE_CLIENT_ID=
+      - GOOGLE_CLIENT_SECRET=
+    tty: true
+    stdin_open: true
+    command: /bin/sh -c "wait-for-it db:5432 --timeout=30 -- bundle exec rspec"
+
+  db:
+    image: postgres:9.6-alpine
+    ports:
+      - "5432:5432"
+    volumes:
+      - postgres_volume:/var/lib/postgresql/data
+    environment:
+      - POSTGRES_PASSWORD=password
+      - POSTGRES_USER=postgres
+      - POSTGRES_DB=ifme_test
+    healthcheck:
+      test: ["CMD", "pg_isready", "-U", "postgres", "-d", "ifme_test", "-h", "localhost"]
+      interval: 5s
+      retries: 5
+      start_period: 5s
+      timeout: 5s
+
   selenium:
     image: selenium/standalone-firefox
     container_name: selenium
+    environment:
+      - SE_NODE_MAX_INSTANCES=1
+      - SE_NODE_PORT=5555
+      - SE_NODE_SESSION_TIMEOUT=300
+      - SE_NODE_CLEAN_UP_CYCLE=5000
+
+volumes:
+  bundle_cache:
+  postgres_volume:
+  node_cache:

docker-compose.yml

@@ -24,8 +24,6 @@ services:
     tty: true
     stdin_open: true
     command: /bin/sh -c "bundle exec foreman start -f Procfile.dev"
-
-
   db:
     image: postgres:9.6-alpine
     ports:

spec/spec_helper.rb

@@ -26,19 +26,28 @@
 ActiveRecord::Migration.maintain_test_schema!
 
 if ENV['SELENIUM_REMOTE_HOST']
+  # Set up remote Firefox for Capybara
   Capybara.javascript_driver = :selenium_remote_firefox
-  Capybara.register_driver 'selenium_remote_firefox'.to_sym do |app|
+
+  Capybara.register_driver :selenium_remote_firefox do |app|
+    options = Selenium::WebDriver::Firefox::Options.new
+    options.args << '--headless' # Optional: Run Firefox in headless mode
+
+    # Create the remote driver with options set
     Capybara::Selenium::Driver.new(
       app,
       browser: :remote,
       url: "http://#{ENV['SELENIUM_REMOTE_HOST']}:4444/wd/hub",
-      desired_capabilities: :firefox,
+      options: options,  # Ensure options are passed here
       timeout: 60
     )
   end
+
+  # Get container's IP address (if needed for server_host setup)
   ip = `/sbin/ip route|awk '/scope/ { print $9 }'`.delete("\n")
   Capybara.server_host = ip
 else
+  # Fallback if not using remote Selenium
   Capybara.javascript_driver = :selenium_chrome_headless
 end
 
@@ -112,3 +121,5 @@
     with.library :rails
   end
 end
+
+DatabaseCleaner.allow_remote_database_url = true