1 files changed, 44 insertions, 0 deletions
diff --git a/spec/services/dependency_proxy/head_manifest_service_spec.rb b/spec/services/dependency_proxy/head_manifest_service_spec.rb
new file mode 100644
index 00000000000..7c7ebe4d181
--- /dev/null
+++ b/spec/services/dependency_proxy/head_manifest_service_spec.rb
@@ -0,0 +1,44 @@
+# frozen_string_literal: true
+require 'spec_helper'
+
+RSpec.describe DependencyProxy::HeadManifestService do
+  include DependencyProxyHelpers
+
+  let(:image) { 'alpine' }
+  let(:tag) { 'latest' }
+  let(:token) { Digest::SHA256.hexdigest('123') }
+  let(:digest) { '12345' }
+
+  subject { described_class.new(image, tag, token).execute }
+
+  context 'remote request is successful' do
+    before do
+      stub_manifest_head(image, tag, digest: digest)
+    end
+
+    it { expect(subject[:status]).to eq(:success) }
+    it { expect(subject[:digest]).to eq(digest) }
+  end
+
+  context 'remote request is not found' do
+    before do
+      stub_manifest_head(image, tag, status: 404, body: 'Not found')
+    end
+
+    it { expect(subject[:status]).to eq(:error) }
+    it { expect(subject[:http_status]).to eq(404) }
+    it { expect(subject[:message]).to eq('Not found') }
+  end
+
+  context 'net timeout exception' do
+    before do
+      manifest_link = DependencyProxy::Registry.manifest_url(image, tag)
+
+      stub_full_request(manifest_link, method: :head).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