Merge pull request #604 from dpavam/Skip-capybara-tests

Skips capybara tests if geckodriver is not installed.

Author: yannickwurm

public/css/sequenceserver.min.css

@@ -201,7 +201,7 @@
     expect(File.basename(downloaded_file)).to eq('sequenceserver-xml_report.xml')
     clear_downloads
   end
-
+  
   it 'can show hit sequences in a modal' do
     # Do a BLASTP search. protein_query refers to the first two sequence in
     # protein_databases[0], so the top hits are the query sequences themselves.

spec/capybara_spec.rb

@@ -27,8 +27,15 @@
   # For file downloading.
   config.include DownloadHelpers, type: :feature
 
+  # Check if geckodriver is installed for capybara tests.
+  def geckodriver_installed?
+    # geckodriver 0.31.0 
+    system('geckodriver -V')
+  end
+
   # Setup capybara tests.
-  config.before :context, type: :feature do
+  config.before :context, type: :feature do |context|
+    context.skip('Install geckodriver first. Try: sudo apt install firefox-geckodriver.') unless geckodriver_installed?
     Capybara.app = SequenceServer
     Capybara.server = :webrick
     Capybara.default_max_wait_time = 30