optimize_spec.rb in axiom-optimizer-0.1.1

- old
+ new

@@ -3,20 +3,26 @@
 require 'spec_helper'
 
 describe Optimizer::Algebra::Projection::ExtensionOperand, '#optimize' do
   subject { object.optimize }
 
-  let(:header)   { Relation::Header.coerce([ [ :id, Integer ], [ :name, String ], [ :age, Integer ] ])          }
-  let(:base)     { Relation.new(header, LazyEnumerable.new([ [ 1, 'Dan Kubb', 35 ] ]))                          }
-  let(:relation) { base.extend { |r| r.add(:subscriber, true); r.add(:active, true) }.project([ :id, :active ]) }
-  let(:object)   { described_class.new(relation)                                                                }
+  let(:header) { Relation::Header.coerce([[:id, Integer], [:name, String], [:age, Integer]]) }
+  let(:base)   { Relation.new(header, LazyEnumerable.new([[1, 'Dan Kubb', 35]]))             }
+  let(:object) { described_class.new(relation)                                               }
 
+  let(:relation) do
+    base.extend do |relation|
+      relation.add(:subscriber, true)
+      relation.add(:active, true)
+    end.project([:id, :active])
+  end
+
   before do
-    object.should be_optimizable
+    expect(object).to be_optimizable
   end
 
   it { should be_kind_of(Algebra::Projection) }
 
   its(:operand) { should eql(base.extend { |r| r.add(:active, true) }) }
 
-  its(:header) { should == [ header[:id], Attribute::Boolean.new(:active) ] }
+  its(:header) { should == [header[:id], Attribute::Boolean.new(:active)] }
 end