1 files changed, 61 insertions, 0 deletions
diff --git a/spec/lib/gitlab/github_import/importer/attachments/merge_requests_importer_spec.rb b/spec/lib/gitlab/github_import/importer/attachments/merge_requests_importer_spec.rb
new file mode 100644
index 00000000000..e4718c2d17c
--- /dev/null
+++ b/spec/lib/gitlab/github_import/importer/attachments/merge_requests_importer_spec.rb
@@ -0,0 +1,61 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe Gitlab::GithubImport::Importer::Attachments::MergeRequestsImporter do
+  subject(:importer) { described_class.new(project, client) }
+
+  let_it_be(:project) { create(:project) }
+
+  let(:client) { instance_double(Gitlab::GithubImport::Client) }
+
+  describe '#sequential_import', :clean_gitlab_redis_cache do
+    let_it_be(:merge_request_1) { create(:merge_request, source_project: project, target_branch: 'feature1') }
+    let_it_be(:merge_request_2) { create(:merge_request, source_project: project, target_branch: 'feature2') }
+
+    let(:importer_stub) { instance_double('Gitlab::GithubImport::Importer::NoteAttachmentsImporter') }
+    let(:importer_attrs) { [instance_of(Gitlab::GithubImport::Representation::NoteText), project, client] }
+
+    it 'imports each project merge request attachments' do
+      expect_next_instances_of(
+        Gitlab::GithubImport::Importer::NoteAttachmentsImporter, 2, false, *importer_attrs
+      ) do |note_attachments_importer|
+        expect(note_attachments_importer).to receive(:execute)
+      end
+
+      importer.sequential_import
+    end
+
+    context 'when merge request is already processed' do
+      it "doesn't import this merge request attachments" do
+        importer.mark_as_imported(merge_request_1)
+
+        expect_next_instance_of(
+          Gitlab::GithubImport::Importer::NoteAttachmentsImporter, *importer_attrs
+        ) do |note_attachments_importer|
+          expect(note_attachments_importer).to receive(:execute)
+        end
+
+        importer.sequential_import
+      end
+    end
+  end
+
+  describe '#sidekiq_worker_class' do
+    it { expect(importer.sidekiq_worker_class).to eq(Gitlab::GithubImport::Attachments::ImportMergeRequestWorker) }
+  end
+
+  describe '#collection_method' do
+    it { expect(importer.collection_method).to eq(:merge_request_attachments) }
+  end
+
+  describe '#object_type' do
+    it { expect(importer.object_type).to eq(:merge_request_attachment) }
+  end
+
+  describe '#id_for_already_imported_cache' do
+    let(:merge_request) { build_stubbed(:merge_request) }
+
+    it { expect(importer.id_for_already_imported_cache(merge_request)).to eq(merge_request.id) }
+  end
+end