1 files changed, 95 insertions, 0 deletions
diff --git a/spec/requests/api/ci/resource_groups_spec.rb b/spec/requests/api/ci/resource_groups_spec.rb
new file mode 100644
index 00000000000..f5b68557a0d
--- /dev/null
+++ b/spec/requests/api/ci/resource_groups_spec.rb
@@ -0,0 +1,95 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe API::Ci::ResourceGroups do
+  let_it_be(:project) { create(:project) }
+  let_it_be(:developer) { create(:user).tap { |u| project.add_developer(u) } }
+  let_it_be(:reporter) { create(:user).tap { |u| project.add_reporter(u) } }
+
+  let(:user) { developer }
+
+  describe 'GET /projects/:id/resource_groups/:key' do
+    subject { get api("/projects/#{project.id}/resource_groups/#{key}", user) }
+
+    let!(:resource_group) { create(:ci_resource_group, project: project) }
+    let(:key) { resource_group.key }
+
+    it 'returns a resource group', :aggregate_failures do
+      subject
+
+      expect(response).to have_gitlab_http_status(:ok)
+      expect(json_response['id']).to eq(resource_group.id)
+      expect(json_response['key']).to eq(resource_group.key)
+      expect(json_response['process_mode']).to eq(resource_group.process_mode)
+      expect(Time.parse(json_response['created_at'])).to be_like_time(resource_group.created_at)
+      expect(Time.parse(json_response['updated_at'])).to be_like_time(resource_group.updated_at)
+    end
+
+    context 'when user is reporter' do
+      let(:user) { reporter }
+
+      it 'returns forbidden' do
+        subject
+
+        expect(response).to have_gitlab_http_status(:forbidden)
+      end
+    end
+
+    context 'when there is no corresponding resource group' do
+      let(:key) { 'unknown' }
+
+      it 'returns not found' do
+        subject
+
+        expect(response).to have_gitlab_http_status(:not_found)
+      end
+    end
+  end
+
+  describe 'PUT /projects/:id/resource_groups/:key' do
+    subject { put api("/projects/#{project.id}/resource_groups/#{key}", user), params: params }
+
+    let!(:resource_group) { create(:ci_resource_group, project: project) }
+    let(:key) { resource_group.key }
+    let(:params) { { process_mode: :oldest_first } }
+
+    it 'changes the process mode of a resource group' do
+      expect { subject }
+        .to change { resource_group.reload.process_mode }.from('unordered').to('oldest_first')
+
+      expect(response).to have_gitlab_http_status(:ok)
+      expect(json_response['process_mode']).to eq('oldest_first')
+    end
+
+    context 'with invalid parameter' do
+      let(:params) { { process_mode: :unknown } }
+
+      it 'returns bad request' do
+        subject
+
+        expect(response).to have_gitlab_http_status(:bad_request)
+      end
+    end
+
+    context 'when user is reporter' do
+      let(:user) { reporter }
+
+      it 'returns forbidden' do
+        subject
+
+        expect(response).to have_gitlab_http_status(:forbidden)
+      end
+    end
+
+    context 'when there is no corresponding resource group' do
+      let(:key) { 'unknown' }
+
+      it 'returns not found' do
+        subject
+
+        expect(response).to have_gitlab_http_status(:not_found)
+      end
+    end
+  end
+end