Add job#log_error, log error with ERROR severity

lib/crono/job.rb

@@ -52,8 +52,8 @@ module Crono
       begin
         performer.new.perform
       rescue Exception => e
-        log "Finished #{performer} in %.2f seconds with error: #{e.message}" % (Time.now - last_performed_at)
-        log e.backtrace.join("\n")
+        log_error "Finished #{performer} in %.2f seconds with error: #{e.message}" % (Time.now - last_performed_at)
+        log_error e.backtrace.join("\n")
         self.healthy = false
       else
         self.healthy = true
@@ -63,10 +63,14 @@ module Crono
       end
     end
 
-    def log(message)
+    def log_error(message)
+      log(message, Logger::ERROR)
+    end
+
+    def log(message, severity = Logger::INFO)
       @semaphore.synchronize do
-        logger.info message
-        job_logger.info message
+        logger.log severity, message
+        job_logger.log severity, message
       end
     end
 

spec/job_spec.rb

@@ -94,8 +94,8 @@ describe Crono::Job do
   describe "#log" do
     it "should write log messages to both common and job log" do
       message = "Test message"
-      expect(job.logger).to receive(:info).with(message)
-      expect(job.job_logger).to receive(:info).with(message)
+      expect(job.logger).to receive(:log).with(Logger::INFO, message)
+      expect(job.job_logger).to receive(:log).with(Logger::INFO, message)
       job.send(:log, message)
     end
 
@@ -105,4 +105,12 @@ describe Crono::Job do
       expect(job.job_log.string).to include(message)
     end
   end
+
+  describe "#log_error" do
+    it "should call log with ERROR severity" do
+      message = "Test message"
+      expect(job).to receive(:log).with(message, Logger::ERROR)
+      job.send(:log_error, message)
+    end
+  end
 end