Add latest changes from gitlab-org/gitlab@master

1 files changed, 64 insertions, 0 deletions

diff --git a/spec/services/ci/resource_groups/assign_resource_from_resource_group_service_spec.rb b/spec/services/ci/resource_groups/assign_resource_from_resource_group_service_spec.rb
new file mode 100644
index 00000000000..50d312647ae
--- /dev/null
+++ b/spec/services/ci/resource_groups/assign_resource_from_resource_group_service_spec.rb
@@ -0,0 +1,64 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+describe Ci::ResourceGroups::AssignResourceFromResourceGroupService do
+  let_it_be(:project) { create(:project) }
+  let_it_be(:user) { create(:user) }
+  let(:service) { described_class.new(project, user) }
+
+  describe '#execute' do
+    subject { service.execute(resource_group) }
+
+    let(:resource_group) { create(:ci_resource_group, project: project) }
+    let!(:build) { create(:ci_build, :waiting_for_resource, project: project, user: user, resource_group: resource_group) }
+
+    context 'when there is an available resource' do
+      it 'requests resource' do
+        subject
+
+        expect(build.reload).to be_pending
+        expect(build.resource).to be_present
+      end
+
+      context 'when failed to request resource' do
+        before do
+          allow_next_instance_of(Ci::Build) do |build|
+            allow(build).to receive(:enqueue_waiting_for_resource) { false }
+          end
+        end
+
+        it 'has a build waiting for resource' do
+          subject
+
+          expect(build).to be_waiting_for_resource
+        end
+      end
+
+      context 'when the build has already retained a resource' do
+        before do
+          resource_group.assign_resource_to(build)
+          build.update_column(:status, :pending)
+        end
+
+        it 'has a pending build' do
+          subject
+
+          expect(build).to be_pending
+        end
+      end
+    end
+
+    context 'when there are no available resources' do
+      before do
+        resource_group.assign_resource_to(create(:ci_build))
+      end
+
+      it 'does not request resource' do
+        expect_any_instance_of(Ci::Build).not_to receive(:enqueue_waiting_for_resource)
+
+        subject
+      end
+    end
+  end
+end