refactor parser

.travis.yml

@@ -1,3 +1,4 @@
 language: ruby
 rvm:
   - "2.0.0"
+  - "2.2.2"

lib/sidekiq_client_cli.rb

@@ -1,6 +1,6 @@
 require 'sidekiq'
-require 'cli'
 require_relative 'sidekiq_client_cli/version'
+require_relative 'sidekiq_client_cli/parser'
 
 class SidekiqClientCLI
   COMMANDS = %w{push}
@@ -9,19 +9,7 @@ class SidekiqClientCLI
   attr_accessor :settings
 
   def parse
-    @settings = CLI.new do
-      option :config_path, :short => :c, :default => DEFAULT_CONFIG_PATH, :description => "Sidekiq client config file path"
-      option :queue, :short => :q, :description => "Queue to place job on"
-      option :retry, :short => :r, :cast => lambda { |r| SidekiqClientCLI.cast_retry_option(r) }, :description => "Retry option for job"
-      argument :command, :description => "'push' to push a job to the queue"
-      arguments :command_args, :required => false, :description => "command arguments"
-    end.parse! do |settings|
-      fail "Invalid command '#{settings.command}'. Available commands: #{COMMANDS.join(',').chomp(',')}" unless COMMANDS.include? settings.command
-
-      if settings.command == "push" && settings.command_args.empty?
-        fail "No Worker Classes to push"
-      end
-    end
+    @settings = Parser.new.parse
   end
 
   def self.cast_retry_option(retry_option)

lib/sidekiq_client_cli/parser.rb

@@ -0,0 +1,21 @@
+require 'cli'
+
+class SidekiqClientCLI
+  class Parser
+    def parse
+      CLI.new do
+        option :config_path, :short => :c, :default => DEFAULT_CONFIG_PATH, :description => "Sidekiq client config file path"
+        option :queue, :short => :q, :description => "Queue to place job on"
+        option :retry, :short => :r, :cast => lambda { |r| SidekiqClientCLI.cast_retry_option(r) }, :description => "Retry option for job"
+        argument :command, :description => "'push' to push a job to the queue"
+        arguments :command_args, :required => false, :description => "command arguments"
+      end.parse! do |settings|
+        fail "Invalid command '#{settings.command}'. Available commands: #{COMMANDS.join(',').chomp(',')}" unless COMMANDS.include? settings.command
+
+        if settings.command == "push" && settings.command_args.empty?
+          fail "No Worker Classes to push"
+        end
+      end
+    end
+  end
+end