1 files changed, 55 insertions, 0 deletions
diff --git a/spec/services/ci/catalog/add_resource_service_spec.rb b/spec/services/ci/catalog/add_resource_service_spec.rb
new file mode 100644
index 00000000000..ecb939e3c2d
--- /dev/null
+++ b/spec/services/ci/catalog/add_resource_service_spec.rb
@@ -0,0 +1,55 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe Ci::Catalog::AddResourceService, feature_category: :pipeline_composition do
+  let_it_be(:project) { create(:project, :repository, description: 'Our components') }
+  let_it_be(:user) { create(:user) }
+
+  let(:service) { described_class.new(project, user) }
+
+  describe '#execute' do
+    context 'with an unauthorized user' do
+      it 'raises an AccessDeniedError' do
+        expect { service.execute }.to raise_error(Gitlab::Access::AccessDeniedError)
+      end
+    end
+
+    context 'with an authorized user' do
+      before do
+        project.add_owner(user)
+      end
+
+      context 'and a valid project' do
+        it 'creates a catalog resource' do
+          response = service.execute
+
+          expect(response.payload.project).to eq(project)
+        end
+      end
+
+      context 'with an invalid project' do
+        let_it_be(:project) { create(:project, :repository) }
+
+        it 'does not create a catalog resource' do
+          response = service.execute
+
+          expect(response.message).to eq('Project must have a description')
+        end
+      end
+
+      context 'with an invalid catalog resource' do
+        it 'does not save the catalog resource' do
+          catalog_resource = instance_double(::Ci::Catalog::Resource,
+            valid?: false,
+            errors: instance_double(ActiveModel::Errors, full_messages: ['not valid']))
+          allow(::Ci::Catalog::Resource).to receive(:new).and_return(catalog_resource)
+
+          response = service.execute
+
+          expect(response.message).to eq('not valid')
+        end
+      end
+    end
+  end
+end