Support logging any object (Fixes #23)

lib/logstash-logger/formatter.rb

@@ -27,8 +27,8 @@ def build_event(message, severity, time)
                 when Hash
                   event_data = data.merge("@timestamp" => time)
                   LogStash::Event.new(event_data)
-                when String
-                  LogStash::Event.new("message" => data, "@timestamp" => time)
+                else
+                  LogStash::Event.new("message" => msg2str(data), "@timestamp" => time)
               end
 
       event['severity'] ||= severity

spec/logger_spec.rb

@@ -120,5 +120,20 @@
     expect(listener_event['host']).to eq(hostname)
     expect(listener_event['@timestamp']).to_not be_nil
   end
+
+  it 'takes any object as input and writes a logstash event' do
+    message = Time.now
+
+    expect(logdev).to receive(:write).and_call_original do |event|
+      expect(event).to be_a LogStash::Event
+      expect(event.host).to eql(hostname)
+      expect(event['message']).to eql(message.inspect)
+      expect(event['severity']).to eql('INFO')
+    end
+
+    logger.info(message)
+
+    expect(listener_event['message']).to eq(message.inspect)
+  end
 
 end