Lint the whole project

spec/scheduler_spec.rb

@@ -1,30 +1,31 @@
-require "spec_helper"
+require 'spec_helper'
 
 class TestJob
-  def perform;end
+  def perform
+  end
 end
 
 describe Crono::Scheduler do
   before(:each) do
     @scheduler = Crono::Scheduler.new
     @jobs = [
-      Crono::Period.new(3.day, at: 10.minutes.from_now.strftime("%H:%M")),
-      Crono::Period.new(1.day, at: 20.minutes.from_now.strftime("%H:%M")),
-      Crono::Period.new(7.day, at: 40.minutes.from_now.strftime("%H:%M"))
+      Crono::Period.new(3.day, at: 10.minutes.from_now.strftime('%H:%M')),
+      Crono::Period.new(1.day, at: 20.minutes.from_now.strftime('%H:%M')),
+      Crono::Period.new(7.day, at: 40.minutes.from_now.strftime('%H:%M'))
     ].map { |period| Crono::Job.new(TestJob, period) }
     @scheduler.jobs = @jobs
   end
 
-  describe "#add_job" do
-    it "should call Job#load on Job" do
-      @job = Crono::Job.new(TestJob, Crono::Period.new(10.day, at: "04:05"))
+  describe '#add_job' do
+    it 'should call Job#load on Job' do
+      @job = Crono::Job.new(TestJob, Crono::Period.new(10.day, at: '04:05'))
       expect(@job).to receive(:load)
       @scheduler.add_job(@job)
     end
   end
 
-  describe "#next" do
-    it "should return next job in schedule" do
+  describe '#next' do
+    it 'should return next job in schedule' do
       expect(@scheduler.next).to be @jobs[0]
     end
   end