Add tests for Image create action

spec/models/manageiq/providers/openstack/cloud_manager/template_spec.rb

@@ -0,0 +1,42 @@
+describe ManageIQ::Providers::Openstack::CloudManager::Template do
+  let(:ems) { FactoryGirl.create(:ems_openstack_with_authentication) }
+  let(:image_attributes) { {:name => "image", :ram => "1"} }
+  let(:template_openstack) { FactoryGirl.create :template_openstack, :ext_management_system => ems }
+  let(:service) { double }
+
+  context 'when raw_create_image' do
+    before do
+      allow(ExtManagementSystem).to receive(:find).with(ems.id).and_return(ems)
+      allow(ems).to receive(:with_provider_connection).with(:service => 'Compute').and_yield(service)
+      allow(service).to receive(:images).and_return(images)
+    end
+
+    let(:images) { double }
+
+    context 'with correct data' do
+      it 'should create image' do
+        expect(images).to receive(:create).with(image_attributes).and_return(template_openstack).once
+        subject.class.raw_create_image(ems, image_attributes)
+      end
+
+      it 'should not raise error' do
+        allow(images).to receive(:create).with(image_attributes).and_return(template_openstack).once
+        expect do
+          subject.class.raw_create_image(ems, image_attributes)
+        end.not_to raise_error
+      end
+    end
+
+    context 'with incorrect data' do
+      let(:image_attributes) { { :ram => "1"} }
+      [Excon::Error::BadRequest, ArgumentError].map do |error|
+        it "should raise error when #{error.to_s}" do
+          allow(images).to receive(:create).with(image_attributes).and_raise(error)
+          expect do
+            subject.class.raw_create_image(ems, image_attributes)
+          end.to raise_error(MiqException::MiqOpenstackApiRequestError)
+        end
+      end
+    end
+  end
+end