rb - Firefox Nightly specs pass on Linux

Author: titusfortner

rb/lib/selenium/webdriver/firefox/binary.rb

@@ -155,6 +155,8 @@ def nightly_path
                       "/Applications/FirefoxNightly.app/Contents/MacOS/firefox-bin"
                     when :windows
                       "#{Platform.find_in_program_files("\\Nightly\\firefox.exe").gsub('m Files (x86)', '~2')}"
+                    when :linux
+                      ENV['FIREFOX_NIGHTLY_PATH'] or raise Error::WebDriverError, "Set ENV['FIREFOX_NIGHTLY_PATH'] when using Firefox Nightly on Linux"
                     end
 
             unless File.file?(@path.to_s) && version > 43
@@ -170,6 +172,8 @@ def version
                            `#{path} -v`.strip[/[^\s]*$/][/^\d+/].to_i
                          when :windows
                            `\"#{path}\" -v | more`.strip[/[^\s]*$/][/^\d+/].to_i
+                         when :linux
+                           `#{path} -v`.strip[/[^\s]*$/][/^\d+/].to_i
                          else
                            0
                          end

rb/lib/selenium/webdriver/firefox/w3c_bridge.rb

@@ -72,7 +72,7 @@ def quit
         private
 
         def create_capabilities(opts)
-          caps = opts.delete(:desired_capabilities) { Remote::W3CCapabilities.edge }
+          caps = opts.delete(:desired_capabilities) { Remote::W3CCapabilities.firefox }
 
           unless opts.empty?
             raise ArgumentError, "unknown option#{'s' if opts.size != 1}: #{opts.inspect}"

rb/lib/selenium/webdriver/remote/w3c_capabilities.rb

@@ -69,11 +69,15 @@ def firefox(opts = {})
                 }.merge(opts))
           end
 
-          def w3c?(opts={})
+          def w3c?(opts = {})
             return true if opts[:browser_name] == :firefox_nightly
+            w3c_opts? || Firefox::Binary.version > 43
+          end
+
+          def w3c_opts?(opts = {})
             intersect = Remote::W3CCapabilities::DEFAULTS.keys & opts.keys
             common = [:takes_screenshot, :proxy]
-            !(intersect - common).empty? || Firefox::Binary.version > 43
+            !(intersect - common).empty?
           end
 
           #

rb/spec/integration/selenium/webdriver/window_spec.rb

@@ -77,8 +77,7 @@ module WebDriver
 
       compliant_on({:browser => :ie},
                    {:browser => :edge},
-                   {:browser => :firefox, :platform => [:windows, :macosx]},
-                   {:browser => :firefox, :platform => :linux, :window_manager => true}) do
+                   {:browser => :firefox, :platform => [:windows, :macosx]}) do
         it "can maximize the current window" do
           window.size = old_size = Dimension.new(200, 200)