Add Job#description

lib/crono/job.rb

@@ -12,6 +12,10 @@ module Crono
       period.next(since: last_performed_at)
     end
 
+    def description
+      "Perform #{performer} #{period.description}"
+    end
+
     def perform
       Crono.logger.info "Perform #{performer}"
       self.last_performed_at = Time.now

spec/job_spec.rb

@@ -19,4 +19,10 @@ describe Crono::Job do
       expect(thread).to be_stop
     end
   end
+
+  describe "#description" do
+    it "should return job identificator" do
+      expect(job.description).to be_eql("Perform TestJob every 2 days")
+    end
+  end
 end