session_helpers.rb in net-ssh-session-0.1.4

- old
+ new

@@ -45,16 +45,23 @@
       def directory_exists?(path)
         run("test -d #{path}").success?
       end
 
       # Check if remote file exists
-      # @param path [String] file path
+      # @param [String] file path
       # @return [Boolean] execution result
       def file_exists?(path)
         run("test -f #{path}").success?
       end
 
+      # Check if a symbilic link exists
+      # @param [String] file path
+      # @return [Boolean]
+      def symlink_exists?(path)
+        run("test -h #{path}").success?
+      end
+
       # Check if process with PID is running
       # @param pid [String] process id
       # @return [Boolean] execution result
       def process_exists?(pid)
         run("ps -p #{pid}").success?
@@ -65,9 +72,23 @@
       # @param signal [String] signal to send
       # @return [Boolean] exection result
       def kill_process(pid, signal='SIGTERM')
         run("kill -#{signal} #{pid}")
         process_exists?(pid)
+      end
+
+      # Check if user exists
+      # @param [String] username
+      # @return [Boolean]
+      def has_user?(name, options={})
+        run("id #{name}").success?
+      end
+
+      # Check if group exists
+      # @param [String] group name
+      # @return [Boolean]
+      def has_group?(name)
+        run("id -g #{name}").success?
       end
 
       # Export an environment variable
       # @param key [String] variable name
       # @param value [String] variable value
\ No newline at end of file