Merge branch 'unify-simple_executor' into 'master'

Bring changes from EE for lib/system_check/simple_executor.rb

See merge request gitlab-org/gitlab-ce!19782

lib/system_check/simple_executor.rb

@@ -43,7 +43,7 @@ module SystemCheck
     #
     # @param [SystemCheck::BaseCheck] check_klass
     def run_check(check_klass)
-      $stdout.print "#{check_klass.display_name} ... "
+      print_display_name(check_klass)
 
       check = check_klass.new
 
@@ -60,18 +60,18 @@ module SystemCheck
       end
 
       if check.check?
-        $stdout.puts check_klass.check_pass.color(:green)
+        print_check_pass(check_klass)
       else
-        $stdout.puts check_klass.check_fail.color(:red)
+        print_check_failure(check_klass)
 
         if check.can_repair?
           $stdout.print 'Trying to fix error automatically. ...'
 
           if check.repair!
-            $stdout.puts 'Success'.color(:green)
+            print_success
             return
           else
-            $stdout.puts 'Failed'.color(:red)
+            print_failure
           end
         end
 
@@ -83,6 +83,26 @@ module SystemCheck
 
     private
 
+    def print_display_name(check_klass)
+      $stdout.print "#{check_klass.display_name} ... "
+    end
+
+    def print_check_pass(check_klass)
+      $stdout.puts check_klass.check_pass.color(:green)
+    end
+
+    def print_check_failure(check_klass)
+      $stdout.puts check_klass.check_fail.color(:red)
+    end
+
+    def print_success
+      $stdout.puts 'Success'.color(:green)
+    end
+
+    def print_failure
+      $stdout.puts 'Failed'.color(:red)
+    end
+
     # Prints header content for the series of checks to be executed for this component
     #
     # @param [String] component name of the component relative to the checks being executed