obj_to_string for better output which depends on the type of the thin…

…g logged

examples/log_example.rb

@@ -108,6 +108,34 @@ def self.raise_runtime_error
 
   end
 
+  describe "obj_to_string" do
+    include LogBuddy::Utils
+
+    class Foo
+      def inspect
+        "inspeck yo-self"
+      end
+    end
+
+    it "logs string as-is" do
+      obj_to_string("foo").should == "foo"
+    end
+
+    it "logs exception with exception msg, type, and backtrace" do
+      begin 
+        raise "bad mojo"
+      rescue Exception => exception
+        string = obj_to_string(exception)
+        string.should match /^bad mojo (RuntimeError)*/
+        string.should include(__FILE__)
+      end
+    end
+
+    it "logs all other objects with #inspect" do
+      obj_to_string(Foo.new).should == "inspeck yo-self"
+    end
+  end
+
   describe "stdout" do
     before { Logger.any_instance.stubs(:debug) }
     it "logs to stdout as well as the default logger" do

lib/log_buddy/utils.rb

@@ -1,6 +1,18 @@
 module LogBuddy
   module Utils
 
+    def obj_to_string(obj)
+      case obj
+      when ::String
+        obj
+      when ::Exception
+        "#{ obj.message } (#{ obj.class })\n" <<
+          (obj.backtrace || []).join("\n")
+      else
+        obj.inspect
+      end
+    end
+
     def debug(str)
       stdout_puts(str) if log_to_stdout?
       logger.debug(str)

spec/mixin_spec.rb

@@ -0,0 +1,5 @@
+require File.expand_path(File.join(File.dirname(__FILE__), *%w[helper]))
+
+describe LogBuddy::Mixin do
+
+end