Merge branch 'feature/gb/qa/switch-to-headless-chrome-via-selenium-webdriver' into 'master'

Use headless Google Chrome browser in GitLab QA

Closes gitlab-qa#45 and gitlab-qa#48

See merge request !11680

qa/Dockerfile

 FROM ruby:2.3
 LABEL maintainer "Grzegorz Bizon <grzegorz@gitlab.com>"
 
-RUN sed -i "s/httpredir.debian.org/ftp.us.debian.org/" /etc/apt/sources.list && \
-    apt-get update && apt-get install -y --force-yes \
-      libqt5webkit5-dev qt5-qmake qt5-default build-essential xvfb git && \
-    apt-get clean
+##
+# Update APT sources and install some dependencies
+#
+RUN sed -i "s/httpredir.debian.org/ftp.us.debian.org/" /etc/apt/sources.list
+RUN apt-get update && apt-get install -y wget git unzip xvfb
+
+##
+# At this point Google Chrome Beta is 59 - first version with headless support
+#
+RUN wget -q https://dl.google.com/linux/direct/google-chrome-beta_current_amd64.deb
+RUN dpkg -i google-chrome-beta_current_amd64.deb; apt-get -fy install
+
+##
+# Install chromedriver to make it work with Selenium
+#
+RUN wget -q https://chromedriver.storage.googleapis.com/2.29/chromedriver_linux64.zip
+RUN unzip chromedriver_linux64.zip -d /usr/local/bin
+
+RUN apt-get clean
 
 WORKDIR /home/qa
 

qa/Gemfile

@@ -2,6 +2,6 @@ source 'https://rubygems.org'
 
 gem 'capybara', '~> 2.12.1'
 gem 'capybara-screenshot', '~> 1.0.14'
-gem 'capybara-webkit', '~> 1.12.0'
 gem 'rake', '~> 12.0.0'
 gem 'rspec', '~> 3.5'
+gem 'selenium-webdriver', '~> 2.53'

qa/Gemfile.lock

@@ -16,7 +16,10 @@ GEM
     capybara-webkit (1.12.0)
       capybara (>= 2.3.0, < 2.13.0)
       json
+    childprocess (0.7.0)
+      ffi (~> 1.0, >= 1.0.11)
     diff-lcs (1.3)
+    ffi (1.9.18)
     json (2.0.3)
     launchy (2.4.3)
       addressable (~> 2.3)
@@ -44,6 +47,12 @@ GEM
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.5.0)
     rspec-support (3.5.0)
+    rubyzip (1.2.1)
+    selenium-webdriver (2.53.4)
+      childprocess (~> 0.5)
+      rubyzip (~> 1.0)
+      websocket (~> 1.0)
+    websocket (1.2.4)
     xpath (2.0.0)
       nokogiri (~> 1.3)
 
@@ -56,6 +65,7 @@ DEPENDENCIES
   capybara-webkit (~> 1.12.0)
   rake (~> 12.0.0)
   rspec (~> 3.5)
+  selenium-webdriver (~> 2.53)
 
 BUNDLED WITH
    1.14.6

qa/qa/specs/config.rb

 require 'rspec/core'
 require 'capybara/rspec'
-require 'capybara-webkit'
 require 'capybara-screenshot/rspec'
+require 'selenium-webdriver'
 
 # rubocop:disable Metrics/MethodLength
 # rubocop:disable Metrics/LineLength
@@ -20,7 +20,6 @@ module QA
 
         configure_rspec!
         configure_capybara!
-        configure_webkit!
       end
 
       def configure_rspec!
@@ -43,9 +42,9 @@ module QA
           config.order = :random
           Kernel.srand config.seed
 
-          config.before(:all) do
-            page.current_window.resize_to(1200, 1800)
-          end
+          # config.before(:all) do
+          #   page.current_window.resize_to(1200, 1800)
+          # end
 
           config.formatter = :documentation
           config.color = true
@@ -53,26 +52,28 @@ module QA
       end
 
       def configure_capybara!
+        Capybara.register_driver :chrome do |app|
+          capabilities = Selenium::WebDriver::Remote::Capabilities.chrome(
+            'chromeOptions' => {
+              'binary' => '/opt/google/chrome-beta/google-chrome-beta',
+              'args' => %w[headless no-sandbox disable-gpu]
+            }
+          )
+
+          Capybara::Selenium::Driver
+            .new(app, browser: :chrome, desired_capabilities: capabilities)
+        end
+
         Capybara.configure do |config|
           config.app_host = @address
-          config.default_driver = :webkit
-          config.javascript_driver = :webkit
+          config.default_driver = :chrome
+          config.javascript_driver = :chrome
           config.default_max_wait_time = 4
 
           # https://github.com/mattheworiordan/capybara-screenshot/issues/164
           config.save_path = 'tmp'
         end
       end
-
-      def configure_webkit!
-        Capybara::Webkit.configure do |config|
-          config.allow_url(@address)
-          config.block_unknown_urls
-        end
-      rescue RuntimeError # rubocop:disable Lint/HandleExceptions
-        # TODO, Webkit is already configured, this make this
-        # configuration step idempotent, should be improved.
-      end
     end
   end
 end

qa/spec/spec_helper.rb

@@ -12,7 +12,6 @@ RSpec.configure do |config|
   config.shared_context_metadata_behavior = :apply_to_host_groups
   config.disable_monkey_patching!
   config.expose_dsl_globally = true
-  config.warnings = true
   config.profile_examples = 10
   config.order = :random
   Kernel.srand config.seed