spec/unit/axiom/optimizer/algebra/join/materialized_right/optimize_spec.rb in axiom-optimizer-0.1.0 vs spec/unit/axiom/optimizer/algebra/join/materialized_right/optimize_spec.rb in axiom-optimizer-0.1.1

@@ -7,49 +7,49 @@
 
   let(:relation) { left.join(right)              }
   let(:object)   { described_class.new(relation) }
 
   before do
-    object.should be_optimizable
+    expect(object).to be_optimizable
   end
 
   context 'with no joined tuples' do
-    let(:left)  { Relation.new([ [ :id, Integer ],                    ], LazyEnumerable.new) }
-    let(:right) { Relation.new([ [ :id, Integer ], [ :age,  Integer ] ], [])                 }
+    let(:left)  { Relation.new([[:id, Integer]], LazyEnumerable.new)  }
+    let(:right) { Relation.new([[:id, Integer], [:age, Integer]], []) }
 
     it { should be_kind_of(Algebra::Join) }
 
     its(:left) { should eql(left.restrict { Function::Proposition::Contradiction.instance }) }
 
     its(:right) { should eql(Relation::Empty.new(right.header)) }
   end
 
   context 'with one joined tuple' do
-    let(:left)  { Relation.new([ [ :id, Integer ],                    ], LazyEnumerable.new([ [ 1 ] ])) }
-    let(:right) { Relation.new([ [ :id, Integer ], [ :age,  Integer ] ], [ [ 1, 35 ] ])                 }
+    let(:left)  { Relation.new([[:id, Integer]], LazyEnumerable.new([[1]]))  }
+    let(:right) { Relation.new([[:id, Integer], [:age, Integer]], [[1, 35]]) }
 
     it { should be_kind_of(Algebra::Join) }
 
     its(:left) { should eql(left.restrict { |r| r.id.eq(1) }) }
 
-    its(:right) { should equal(right) }
+    its(:right) { should be(right) }
 
     it 'is not further optimizable' do
-      described_class.new(subject).should_not be_optimizable
+      expect(described_class.new(subject)).to_not be_optimizable
     end
   end
 
   context 'with two or more joined tuples' do
-    let(:left)  { Relation.new([ [ :id, Integer ],                    ], LazyEnumerable.new([ [ 1 ], [ 2 ] ])) }
-    let(:right) { Relation.new([ [ :id, Integer ], [ :age,  Integer ] ], [ [ 1, 35 ], [ 2, 25 ] ])             }
+    let(:left)  { Relation.new([[:id, Integer]], LazyEnumerable.new([[1], [2]]))      }
+    let(:right) { Relation.new([[:id, Integer], [:age, Integer]], [[1, 35], [2, 25]]) }
 
     it { should be_kind_of(Algebra::Join) }
 
-    its(:left) { should eql(left.restrict { |r| r.id.include([ 1, 2 ]) }) }
+    its(:left) { should eql(left.restrict { |r| r.id.include([1, 2]) }) }
 
-    its(:right) { should equal(right) }
+    its(:right) { should be(right) }
 
     it 'is not further optimizable' do
-      described_class.new(subject).should_not be_optimizable
+      expect(described_class.new(subject)).to_not be_optimizable
     end
   end
 end