1 files changed, 72 insertions, 0 deletions
diff --git a/spec/requests/api/dependency_proxy_spec.rb b/spec/requests/api/dependency_proxy_spec.rb
new file mode 100644
index 00000000000..d59f2bf06e3
--- /dev/null
+++ b/spec/requests/api/dependency_proxy_spec.rb
@@ -0,0 +1,72 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe API::DependencyProxy, api: true do
+  include ExclusiveLeaseHelpers
+
+  let_it_be(:user) { create(:user) }
+  let_it_be(:blob) { create(:dependency_proxy_blob )}
+  let_it_be(:group, reload: true) { blob.group }
+
+  before do
+    group.add_owner(user)
+    stub_config(dependency_proxy: { enabled: true })
+    stub_last_activity_update
+    group.create_dependency_proxy_setting!(enabled: true)
+  end
+
+  describe 'DELETE /groups/:id/dependency_proxy/cache' do
+    subject { delete api("/groups/#{group.id}/dependency_proxy/cache", user) }
+
+    context 'with feature available and enabled' do
+      let_it_be(:lease_key) { "dependency_proxy:delete_group_blobs:#{group.id}" }
+
+      context 'an admin user' do
+        it 'deletes the blobs and returns no content' do
+          stub_exclusive_lease(lease_key, timeout: 1.hour)
+          expect(PurgeDependencyProxyCacheWorker).to receive(:perform_async)
+
+          subject
+
+          expect(response).to have_gitlab_http_status(:no_content)
+        end
+
+        context 'called multiple times in one hour', :clean_gitlab_redis_shared_state do
+          it 'returns 409 with an error message' do
+            stub_exclusive_lease_taken(lease_key, timeout: 1.hour)
+
+            subject
+
+            expect(response).to have_gitlab_http_status(:conflict)
+            expect(response.body).to include('This request has already been made.')
+          end
+
+          it 'executes service only for the first time' do
+            expect(PurgeDependencyProxyCacheWorker).to receive(:perform_async).once
+
+            2.times { subject }
+          end
+        end
+      end
+
+      context 'a non-admin' do
+        let(:user) { create(:user) }
+
+        before do
+          group.add_maintainer(user)
+        end
+
+        it_behaves_like 'returning response status', :forbidden
+      end
+    end
+
+    context 'depencency proxy is not enabled' do
+      before do
+        stub_config(dependency_proxy: { enabled: false })
+      end
+
+      it_behaves_like 'returning response status', :not_found
+    end
+  end
+end