spec/unit/axiom/relation/header/rename_spec.rb in axiom-0.1.1 vs spec/unit/axiom/relation/header/rename_spec.rb in axiom-0.2.0

@@ -4,16 +4,30 @@
 
 describe Relation::Header, '#rename' do
   subject { object.rename(aliases) }
 
   let(:object)  { described_class.coerce([[:id, Integer], [:name, String]], keys: keys) }
-  let(:aliases) { Algebra::Rename::Aliases.coerce(object, id: :other_id)                }
+  let(:aliases) { { id: :other_id }                                                     }
   let(:keys)    { Relation::Keys.new([described_class.coerce([[:id, Integer]])])        }
 
-  it { should be_instance_of(described_class) }
+  context 'with aliases' do
+    let(:aliases) { Algebra::Rename::Aliases.coerce(object, super()) }
 
-  it { should_not be(object) }
+    it { should be_instance_of(described_class) }
 
-  its(:to_ary) { should == [[:other_id, Integer], [:name, String]] }
+    it { should_not be(object) }
 
-  its(:keys) { should eql(Relation::Keys.new([described_class.coerce([[:other_id, Integer]])])) }
+    its(:to_ary) { should == [[:other_id, Integer], [:name, String]] }
+
+    its(:keys) { should eql(Relation::Keys.new([described_class.coerce([[:other_id, Integer]])])) }
+  end
+
+  context 'with a Hash' do
+    it { should be_instance_of(described_class) }
+
+    it { should_not be(object) }
+
+    its(:to_ary) { should == [[:other_id, Integer], [:name, String]] }
+
+    its(:keys) { should eql(Relation::Keys.new([described_class.coerce([[:other_id, Integer]])])) }
+  end
 end