Merge pull request #230 from tjchambers/master

Added context to multi-segment mutation

lib/mutant/reporter/cli/printer.rb

@@ -484,7 +484,7 @@ module Mutant
             original, current = mutation.original_source, mutation.source
             diff = Mutant::Diff.build(original, current)
             diff = color? ? diff.colorized_diff : diff.diff
-            puts(diff || DIFF_ERROR_MESSAGE)
+            puts(diff || ['Original source:', original, 'Mutated Source:', current, DIFF_ERROR_MESSAGE])
           end
 
           # Noop details

spec/unit/mutant/reporter/cli_spec.rb

@@ -363,6 +363,10 @@ describe Mutant::Reporter::CLI do
               subject_id
               - test_id
               mutation_id-a
+              Original source:
+              true
+              Mutated Source:
+              true
               BUG: Mutation NOT resulted in exactly one diff. Please report a reproduction!
               -----------------------
               Mutant configuration: