1 files changed, 55 insertions, 0 deletions
diff --git a/spec/services/projects/move_lfs_objects_projects_service_spec.rb b/spec/services/projects/move_lfs_objects_projects_service_spec.rb
new file mode 100644
index 00000000000..517a24a982a
--- /dev/null
+++ b/spec/services/projects/move_lfs_objects_projects_service_spec.rb
@@ -0,0 +1,55 @@
+require 'spec_helper'
+
+describe Projects::MoveLfsObjectsProjectsService do
+  let!(:user) { create(:user) }
+  let!(:project_with_lfs_objects) { create(:project, namespace: user.namespace) }
+  let!(:target_project) { create(:project, namespace: user.namespace) }
+
+  subject { described_class.new(target_project, user) }
+
+  before do
+    create_list(:lfs_objects_project, 3, project: project_with_lfs_objects)
+  end
+
+  describe '#execute' do
+    it 'links the lfs objects from existent in source project' do
+      expect(target_project.lfs_objects.count).to eq 0
+
+      subject.execute(project_with_lfs_objects)
+
+      expect(project_with_lfs_objects.reload.lfs_objects.count).to eq 0
+      expect(target_project.reload.lfs_objects.count).to eq 3
+    end
+
+    it 'does not link existent lfs_object in the current project' do
+      target_project.lfs_objects << project_with_lfs_objects.lfs_objects.first(2)
+
+      expect(target_project.lfs_objects.count).to eq 2
+
+      subject.execute(project_with_lfs_objects)
+
+      expect(target_project.lfs_objects.count).to eq 3
+    end
+
+    it 'rollbacks changes if transaction fails' do
+      allow(subject).to receive(:success).and_raise(StandardError)
+
+      expect { subject.execute(project_with_lfs_objects) }.to raise_error(StandardError)
+
+      expect(project_with_lfs_objects.lfs_objects.count).to eq 3
+      expect(target_project.lfs_objects.count).to eq 0
+    end
+
+    context 'when remove_remaining_elements is false' do
+      let(:options) { { remove_remaining_elements: false } }
+
+      it 'does not remove remaining lfs objects' do
+        target_project.lfs_objects << project_with_lfs_objects.lfs_objects.first(2)
+
+        subject.execute(project_with_lfs_objects, options)
+
+        expect(project_with_lfs_objects.lfs_objects.count).not_to eq 0
+      end
+    end
+  end
+end