prevent NaNs in scoring

2015-04-27 10:38:12 +02:00
parent cc400989ee
commit 793160cf6f
1 changed files with 5 additions and 1 deletions
--- a/lib/assessor.rb
+++ b/lib/assessor.rb
@ -9,7 +9,11 @@ class Assessor
  end

  def calculate_score(test_outcome)
-    (test_outcome[:passed].to_f / test_outcome[:count].to_f)
+    score = 0.0;
+    if(test_outcome[:passed].to_f != 0.0 && test_outcome[:count].to_f != 0.0)
+      score = (test_outcome[:passed].to_f / test_outcome[:count].to_f)
+    end
+    score
  end
  private :calculate_score