spec/branch_shared_examples.rb in compo-0.4.0 vs spec/branch_shared_examples.rb in compo-0.5.0

@@ -1,10 +1,10 @@
 require 'url_finder_shared_examples'
 require 'url_referenceable_shared_examples'
 require 'movable_shared_examples'
 
-shared_examples 'a branch' do
+RSpec.shared_examples 'a branch' do
   it_behaves_like 'a URL referenceable object'
   it_behaves_like 'a movable object'
 
   describe '#initialize' do
     it 'initialises with a Parentless as parent' do
@@ -14,31 +14,34 @@
     it 'initialises with an ID function returning nil' do
       expect(subject.id).to be_nil
     end
   end
 
+  shared_context 'the branch has a parent' do
+    let(:parent) { Compo::Branches::Hash.new }
+    before(:each) { subject.move_to(parent, :id) }
+  end
+
   describe '#url' do
     context 'when the Branch has no parent' do
       it 'returns the empty string' do
         expect(subject.url).to eq('')
       end
     end
     context 'when the Branch is the child of a root' do
-      let(:parent) { Compo::Branches::Hash.new }
-      before(:each) { subject.move_to(parent, :id) }
+      include_context 'the branch has a parent'
 
       it 'returns /ID, where ID is the ID of the Branch' do
         expect(subject.url).to eq('/id')
       end
     end
   end
 
   describe '#move_to' do
     context 'when the Branch has a parent' do
       context 'when the new parent is nil' do
-        let(:parent) { Compo::Branches::Hash.new }
-        before(:each) { subject.move_to(parent, :id) }
+        include_context 'the branch has a parent'
 
         it 'loses its previous parent' do
           expect(subject.move_to(nil, :id).parent).to be_a(
             Compo::Composites::Parentless
           )
@@ -51,10 +54,10 @@
       end
     end
   end
 end
 
-shared_examples 'a branch with children' do
+RSpec.shared_examples 'a branch with children' do
   it_behaves_like 'a branch'
 
   describe '#find_url' do
     it_behaves_like 'a URL finding' do
       let(:target) { Compo::Branches::Leaf.new }