spec/unit/operator/relational/test_union.rb in alf-0.9.3 vs spec/unit/operator/relational/test_union.rb in alf-0.10.0

@@ -19,10 +19,10 @@
   
       let(:operator){ Union.run([]) }
       subject{ operator.to_a }
   
       describe "when applied on non disjoint sets" do
-        before{ operator.datasets = [left, right] }
+        before{ operator.pipe [left, right] }
         let(:expected){[
           {:city => 'London'},
           {:city => 'Paris'},
           {:city => 'Oslo'}
         ]}
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