1 files changed, 44 insertions, 0 deletions
diff --git a/spec/services/dependency_proxy/download_blob_service_spec.rb b/spec/services/dependency_proxy/download_blob_service_spec.rb
new file mode 100644
index 00000000000..4b5c6b5bd6a
--- /dev/null
+++ b/spec/services/dependency_proxy/download_blob_service_spec.rb
@@ -0,0 +1,44 @@
+# frozen_string_literal: true
+require 'spec_helper'
+
+RSpec.describe DependencyProxy::DownloadBlobService do
+  include DependencyProxyHelpers
+
+  let(:image) { 'alpine' }
+  let(:token) { Digest::SHA256.hexdigest('123') }
+  let(:blob_sha) { Digest::SHA256.hexdigest('ruby:2.7.0') }
+
+  subject { described_class.new(image, blob_sha, token).execute }
+
+  context 'remote request is successful' do
+    before do
+      stub_blob_download(image, blob_sha)
+    end
+
+    it { expect(subject[:status]).to eq(:success) }
+    it { expect(subject[:file]).to be_a(Tempfile) }
+    it { expect(subject[:file].size).to eq(6) }
+  end
+
+  context 'remote request is not found' do
+    before do
+      stub_blob_download(image, blob_sha, 404)
+    end
+
+    it { expect(subject[:status]).to eq(:error) }
+    it { expect(subject[:http_status]).to eq(404) }
+    it { expect(subject[:message]).to eq('Non-success response code on downloading blob fragment') }
+  end
+
+  context 'net timeout exception' do
+    before do
+      blob_url = DependencyProxy::Registry.blob_url(image, blob_sha)
+
+      stub_full_request(blob_url).to_timeout
+    end
+
+    it { expect(subject[:status]).to eq(:error) }
+    it { expect(subject[:http_status]).to eq(599) }
+    it { expect(subject[:message]).to eq('execution expired') }
+  end
+end