Add ability to specify setup script

Author: bayandin

Gemfile.lock

@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    parallel_cucumber (0.1.15)
+    parallel_cucumber (0.1.16)
       cucumber
       parallel (~> 1.6)
 

lib/parallel_cucumber/cli.rb

@@ -38,6 +38,11 @@ def parse_options!(argv)
               exit 1
             end
           end
+          opts.on('-s', '--setup-script [SCRIPT]', 'Execute SCRIPT before each process') do |script|
+            fail("File '#{script}' does not exist") unless File.exist?(script)
+            fail("File '#{script}' is not executable") unless File.executable?(script)
+            options[:setup_script] = File.expand_path(script)
+          end
           opts.on('--thread-delay "[SECONDS]"', Integer, 'Delay before next thread starting') do |thread_delay|
             options[:thread_delay] = thread_delay
           end

lib/parallel_cucumber/runner.rb

@@ -14,13 +14,15 @@ def run_tests(process_number, cucumber_args)
     private
 
     def command_for_test(process_number, cucumber_args)
-      cucumber_options = @options[:cucumber_options]
       thread_delay = @options[:thread_delay]
+      cucumber_options = @options[:cucumber_options]
+      setup_script = @options[:setup_script]
 
-      cmd = ['cucumber', cucumber_options, *cucumber_args].compact.join(' ')
-      sleep = thread_delay > 0 ? "sleep #{thread_delay * process_number}; " : ''
+      delay_cmd = thread_delay > 0 ? "sleep #{thread_delay * process_number}" : nil
+      setup_cmd = setup_script.nil? ? nil : setup_script
+      cucumber_cmd = ['cucumber', cucumber_options, *cucumber_args].compact.join(' ')
 
-      "#{sleep}#{cmd}"
+      [delay_cmd, setup_cmd, cucumber_cmd].compact.join(' && ')
     end
 
     def execute_command_for_process(process_number, cmd)

lib/parallel_cucumber/version.rb

@@ -1,3 +1,3 @@
 module ParallelCucumber
-  VERSION = '0.1.15'
+  VERSION = '0.1.16'
 end # ParallelCucumber