Failing test for returning nil if all values to be weighted are nil

seamusabshere · Oct 10, 2011 · 78499a0 · 78499a0
1 parent 578e1d0
commit 78499a0
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/test/test_weighted_average.rb b/test/test_weighted_average.rb
@@ -60,6 +60,12 @@
     )
   end
 
+  # nothing but nils
+
+  it "returns nil if the values to be weighted are all nil" do
+    must_be_nil(Segment.weighted_average(:mail, :weighted_by => :passengers))
+  end
+
   # multiple columns
 
   it "adds multiple columns before averaging" do