add test case for inline configmap resources

cmd/e2e/basic_test.go

@@ -68,6 +68,25 @@ func NewTestStacksetSpecFactory(stacksetName string) *TestStacksetSpecFactory {
 	}
 }
 
+func (f *TestStacksetSpecFactory) AddInlineConfigMap(configMap *zv1.ConfigMap) *TestStacksetSpecFactory {
+	f.configurationResources = append(f.configurationResources, zv1.ConfigurationResourcesSpec{
+		ConfigMap: configMap,
+	})
+
+	f.volumes = append(f.volumes, corev1.Volume{
+		Name: configMap.Name,
+		VolumeSource: corev1.VolumeSource{
+			ConfigMap: &corev1.ConfigMapVolumeSource{
+				LocalObjectReference: corev1.LocalObjectReference{
+					Name: configMap.Name,
+				},
+			},
+		},
+	})
+
+	return f
+}
+
 func (f *TestStacksetSpecFactory) AddReferencedConfigMap(configMapName string) *TestStacksetSpecFactory {
 	f.configurationResources = append(f.configurationResources, zv1.ConfigurationResourcesSpec{
 		ConfigMapRef: &corev1.LocalObjectReference{Name: configMapName},

cmd/e2e/configuration_resources_test.go

@@ -4,6 +4,7 @@ import (
 	"testing"
 
 	"github.com/stretchr/testify/suite"
+	zv1 "github.com/zalando-incubator/stackset-controller/pkg/apis/zalando.org/v1"
 	"github.com/zalando-incubator/stackset-controller/pkg/core"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 )
@@ -30,6 +31,45 @@ func (suite *ConfigurationResourcesTestSuite) SetupTest() {
 	_ = deleteStackset(suite.stacksetName)
 }
 
+// TestInlineConfigMaps tests that ConfigMaps defined inline in the StackSet spec are created and owned by the Stack.
+func (suite *ConfigurationResourcesTestSuite) TestInlineConfigMaps() {
+	// Add the inline ConfigMap data to the StackSet spec
+	suite.stacksetSpecFactory.AddInlineConfigMap(&zv1.ConfigMap{
+		Name: "my-configmap",
+		Data: map[string]string{"key": "value"},
+	})
+
+	// Generate the StackSet spec
+	stacksetSpec := suite.stacksetSpecFactory.Create(suite.T(), suite.stackVersion)
+
+	// Create the StackSet in the cluster
+	err := createStackSet(suite.stacksetName, 0, stacksetSpec)
+	suite.Require().NoError(err)
+
+	// Wait for the first Stack to be created
+	stack, err := waitForStack(suite.T(), suite.stacksetName, suite.stackVersion)
+	suite.Require().NoError(err)
+
+	// Fetch the generated ConfigMap in the cluster following the naming convention
+	configMap, err := waitForConfigMap(suite.T(), "stackset-cr-v1-my-configmap")
+	suite.Require().NoError(err)
+
+	// Ensure that the generated ConfigMap has the expected data
+	suite.Equal(map[string]string{"key": "value"}, configMap.Data)
+
+	// Ensure that the generated ConfigMap is owned by the Stack
+	suite.Equal([]metav1.OwnerReference{
+		{
+			APIVersion: core.APIVersion,
+			Kind:       core.KindStack,
+			Name:       stack.Name,
+			UID:        stack.UID,
+		},
+	}, configMap.OwnerReferences)
+
+	// TODO: test the Pod Template rewrite
+}
+
 // TestReferencedConfigMaps tests that ConfigMaps referenced in the StackSet spec are owned by the Stack.
 func (suite *ConfigurationResourcesTestSuite) TestReferencedConfigMaps() {
 	// Create a ConfigMap in the cluster following the naming convention