spec/unit/yaks/mapper/has_many_spec.rb in yaks-0.6.0.alpha.1 vs spec/unit/yaks/mapper/has_many_spec.rb in yaks-0.6.0

@@ -8,11 +8,11 @@
   let(:closet_mapper_class) do
     Class.new(Yaks::Mapper) do
       type 'closet'
       has_many :shoes,
         rel: 'http://foo/shoes',
-        mapper: Class.new(Yaks::Mapper) { type 'shoe' ; attributes :size, :color }
+        item_mapper: Class.new(Yaks::Mapper) { type 'shoe' ; attributes :size, :color }
     end
   end
 
   subject(:shoe_association) { closet_mapper.associations.first }
 
@@ -68,14 +68,27 @@
   end
 
 
   describe '#collection_mapper' do
     let(:collection_mapper) { Yaks::Undefined }
-    subject(:has_many)  { described_class.new(name: :name, mapper: :mapper, rel: :rel, collection_mapper: collection_mapper) }
 
+    subject(:has_many)  { described_class.new(name: :name, item_mapper: :mapper, rel: :rel, collection_mapper: collection_mapper) }
+
     context 'when the collection mapper is undefined' do
       it 'should derive one from collection and policy' do
         expect(has_many.collection_mapper([], Yaks::DefaultPolicy.new)).to equal Yaks::CollectionMapper
+      end
+
+      it 'should return nil if no policy is given' do
+        expect(has_many.collection_mapper([])).to be_nil
+      end
+
+      it 'should return nil if no collection is given' do
+        expect(has_many.collection_mapper(nil, Yaks::DefaultPolicy.new)).to be_nil
+      end
+
+      it 'should return nil if no params are given' do
+        expect(has_many.collection_mapper).to be_nil
       end
     end
 
     context 'when the collection mapper is specified' do
       let(:collection_mapper) { :foo }