make rubocop happy

Author: jspaleta

Rakefile

@@ -27,7 +27,7 @@ desc 'Test for binstubs'
 task :check_binstubs do
   bin_list = Gem::Specification.load('sensu-plugins-java.gemspec').executables
   bin_list.each do |b|
-    `which #{ b }`
+    `which #{b}`
     unless $CHILD_STATUS.success?
       puts "#{b} was not a binstub"
       exit

bin/check-java-permgen.rb

@@ -64,7 +64,7 @@ def run
       exit_code = $CHILD_STATUS.exitstatus
       next if exit_code != 0
 
-      proc_permgen = (pu.to_f / pgcmx.to_f) * 100
+      proc_permgen = (pu / pgcmx.to_f) * 100
       warn_procs << java_proc if proc_permgen > config[:warn].to_f
       crit_procs << java_proc if proc_permgen > config[:crit].to_f
     end

sensu-plugins-java.gemspec

@@ -1,4 +1,4 @@
-lib = File.expand_path('../lib', __FILE__)
+lib = File.expand_path('lib', __dir__)
 $LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
 
 require 'date'

test/metrics-vertx_spec.rb

@@ -1,6 +1,7 @@
 require_relative './spec_helper.rb'
 require_relative '../bin/metrics-vertx'
 require_relative './fixtures.rb'
+require 'json'
 
 describe 'MetricsVertX' do
   before do

test/spec_helper.rb

@@ -1,2 +1,2 @@
-require 'codeclimate-test-reporter'
-CodeClimate::TestReporter.start
+# require 'codeclimate-test-reporter'
+# CodeClimate::TestReporter.start