1 files changed, 75 insertions, 0 deletions
diff --git a/spec/lib/gitlab/import_export/lfs_restorer_spec.rb b/spec/lib/gitlab/import_export/lfs_restorer_spec.rb
new file mode 100644
index 00000000000..70eeb9ee66b
--- /dev/null
+++ b/spec/lib/gitlab/import_export/lfs_restorer_spec.rb
@@ -0,0 +1,75 @@
+require 'spec_helper'
+
+describe Gitlab::ImportExport::LfsRestorer do
+  include UploadHelpers
+
+  let(:export_path) { "#{Dir.tmpdir}/lfs_object_restorer_spec" }
+  let(:project) { create(:project) }
+  let(:shared) { project.import_export_shared }
+  subject(:restorer) { described_class.new(project: project, shared: shared) }
+
+  before do
+    allow_any_instance_of(Gitlab::ImportExport).to receive(:storage_path).and_return(export_path)
+    FileUtils.mkdir_p(shared.export_path)
+  end
+
+  after do
+    FileUtils.rm_rf(shared.export_path)
+  end
+
+  describe '#restore' do
+    context 'when the archive contains lfs files' do
+      let(:dummy_lfs_file_path) { File.join(shared.export_path, 'lfs-objects', 'dummy') }
+
+      def create_lfs_object_with_content(content)
+        dummy_lfs_file = Tempfile.new('existing')
+        File.write(dummy_lfs_file.path, content)
+        size = dummy_lfs_file.size
+        oid = LfsObject.calculate_oid(dummy_lfs_file.path)
+        LfsObject.create!(oid: oid, size: size, file: dummy_lfs_file)
+      end
+
+      before do
+        FileUtils.mkdir_p(File.dirname(dummy_lfs_file_path))
+        File.write(dummy_lfs_file_path, 'not very large')
+        allow(restorer).to receive(:lfs_file_paths).and_return([dummy_lfs_file_path])
+      end
+
+      it 'creates an lfs object for the project' do
+        expect { restorer.restore }.to change { project.reload.lfs_objects.size }.by(1)
+      end
+
+      it 'assigns the file correctly' do
+        restorer.restore
+
+        expect(project.lfs_objects.first.file.read).to eq('not very large')
+      end
+
+      it 'links an existing LFS object if it existed' do
+        lfs_object = create_lfs_object_with_content('not very large')
+
+        restorer.restore
+
+        expect(project.lfs_objects).to include(lfs_object)
+      end
+
+      it 'succeeds' do
+        expect(restorer.restore).to be_truthy
+        expect(shared.errors).to be_empty
+      end
+
+      it 'stores the upload' do
+        expect_any_instance_of(LfsObjectUploader).to receive(:store!)
+
+        restorer.restore
+      end
+    end
+
+    context 'without any LFS-objects' do
+      it 'succeeds' do
+        expect(restorer.restore).to be_truthy
+        expect(shared.errors).to be_empty
+      end
+    end
+  end
+end