1 files changed, 57 insertions, 0 deletions
diff --git a/spec/services/packages/nuget/sync_metadatum_service_spec.rb b/spec/services/packages/nuget/sync_metadatum_service_spec.rb
new file mode 100644
index 00000000000..32093c48b76
--- /dev/null
+++ b/spec/services/packages/nuget/sync_metadatum_service_spec.rb
@@ -0,0 +1,57 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe Packages::Nuget::SyncMetadatumService do
+  let_it_be(:package, reload: true) { create(:nuget_package) }
+  let_it_be(:metadata) do
+    {
+      project_url: 'https://test.org/test',
+      license_url: 'https://test.org/MIT',
+      icon_url: 'https://test.org/icon.png'
+    }
+  end
+
+  let(:service) { described_class.new(package, metadata) }
+  let(:nuget_metadatum) { package.nuget_metadatum }
+
+  describe '#execute' do
+    subject { service.execute }
+
+    RSpec.shared_examples 'saving metadatum attributes' do
+      it 'saves nuget metadatum' do
+        subject
+
+        metadata.each do |attribute, expected_value|
+          expect(nuget_metadatum.send(attribute)).to eq(expected_value)
+        end
+      end
+    end
+
+    it 'creates a nuget metadatum' do
+      expect { subject }
+        .to change { package.nuget_metadatum.present? }.from(false).to(true)
+    end
+
+    it_behaves_like 'saving metadatum attributes'
+
+    context 'with exisiting nuget metadatum' do
+      let_it_be(:package) { create(:nuget_package, :with_metadatum) }
+
+      it 'does not create a nuget metadatum' do
+        expect { subject }.to change { ::Packages::Nuget::Metadatum.count }.by(0)
+      end
+
+      it_behaves_like 'saving metadatum attributes'
+
+      context 'with empty metadata' do
+        let_it_be(:metadata) { {} }
+
+        it 'destroys the nuget metadatum' do
+          expect { subject }
+            .to change { package.reload.nuget_metadatum.present? }.from(true).to(false)
+        end
+      end
+    end
+  end
+end