diff --git a/spec/search_builders/curation_concerns/collection_search_builder_spec.rb b/spec/search_builders/curation_concerns/collection_search_builder_spec.rb
new file mode 100644
index 000000000..26b81571e
--- /dev/null
+++ b/spec/search_builders/curation_concerns/collection_search_builder_spec.rb
@@ -0,0 +1,75 @@
+require 'spec_helper'
+
+describe CurationConcerns::CollectionSearchBuilder do
+  let(:context) { double('context', blacklight_config: blacklight_config) }
+  let(:solr_params) { { fq: [] } }
+  let(:blacklight_config) { CatalogController.blacklight_config.deep_copy }
+
+  RSpec.shared_examples 'common SearchBuilder' do
+    it { should be_a SearchBuilder }
+
+    describe '#filter_models' do
+      it 'adds Collection to :fq' do
+        subject.filter_models(solr_params)
+        expect(solr_params[:fq].first).to include('{!field f=has_model_ssim}Collection')
+      end
+    end
+
+    describe '#sort' do
+      it 'returns default sort' do
+        expect(subject.sort).to eq 'score desc, date_uploaded_dtsi desc'
+      end
+    end
+
+    describe '#processor_chain' do
+      it 'includes methods we override' do
+        expect(subject.processor_chain).to include(:add_sorting_to_solr, :filter_models)
+      end
+    end
+
+    describe '#add_sorting_to_solr' do
+      it 'without query, applies default sort' do
+        subject.add_sorting_to_solr(solr_params)
+        expect(solr_params[:sort]).to eq 'title_si asc'
+      end
+
+      it 'with query, does not apply default sort' do
+        subject.add_sorting_to_solr(solr_params.merge(q: 'Abraham Lincoln'))
+        expect(solr_params[:sort]).not_to eq 'title_si asc'
+      end
+    end
+  end
+
+  describe 'undefined access' do
+    subject { described_class.new(context) }
+    it_behaves_like 'common SearchBuilder'
+
+    describe '#discovery_permissions' do
+      it 'returns the inherited default permissions' do
+        expect(subject.discovery_permissions).to contain_exactly('read', 'discover', 'edit')
+      end
+    end
+  end
+
+  describe 'read access' do
+    subject { described_class.new(context, ['read']) }
+    it_behaves_like 'common SearchBuilder'
+
+    describe '#discovery_permissions' do
+      it 'returns the set permissions' do
+        expect(subject.discovery_permissions).to eq ['read']
+      end
+    end
+  end
+
+  describe 'edit access' do
+    subject { described_class.new(context, ['edit']) }
+    it_behaves_like 'common SearchBuilder'
+
+    describe '#discovery_permissions' do
+      it 'returns the set permissions' do
+        expect(subject.discovery_permissions).to eq ['edit']
+      end
+    end
+  end
+end