chore(destroy): add unit test

pkg/destroy/destroy_test.go

@@ -0,0 +1,69 @@
+package destroy
+
+import (
+	"context"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	v1 "k8s.io/api/core/v1"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/client-go/kubernetes/fake"
+
+	"github.com/openshift/provider-certification-tool/pkg"
+)
+
+func Test_DeleteTestNamespaces(t *testing.T) {
+	tests := []struct {
+		name               string
+		namespaces         []string
+		expectedNamespaces []string
+	}{{
+		"remove e2e namespace",
+		[]string{"openshift-cluster-version", "mytestns", "e2e-csi"},
+		[]string{"openshift-cluster-version", "mytestns"},
+	}, {
+		"remove no namespaces",
+		[]string{"openshift-cluster-version", "mytestns", "openshift"},
+		[]string{"openshift-cluster-version", "openshift", "mytestns"},
+	}}
+
+	for _, test := range tests {
+		// Setup initial namespaces
+		var namespaces []runtime.Object
+		for _, ns := range test.namespaces {
+			namespaces = append(namespaces, &v1.Namespace{
+				ObjectMeta: metav1.ObjectMeta{
+					Name: ns,
+				},
+			})
+		}
+
+		// Get Clientset and initialize with namespaces
+		clientset := fake.NewSimpleClientset(namespaces...)
+		d := DestroyOptions{
+			config: &pkg.Config{
+				Clientset: clientset,
+			},
+		}
+
+		// Delete namespaces
+		err := d.DeleteTestNamespaces()
+		assert.Nil(t, err)
+
+		// Get actual list of namespaces after deletion
+		result, err := clientset.CoreV1().Namespaces().List(context.TODO(), metav1.ListOptions{})
+		assert.Nil(t, err)
+
+		// Compare results
+		for _, ns := range test.expectedNamespaces {
+			found := false
+			for _, actualNs := range result.Items {
+				if ns == actualNs.Name {
+					found = true
+				}
+			}
+			assert.True(t, found, "could not find expected namespaces")
+		}
+	}
+}

pkg/types.go

@@ -31,7 +31,7 @@ func init() {
 
 type Config struct {
 	Kubeconfig     string
-	Clientset      *kubernetes.Clientset
+	Clientset      kubernetes.Interface
 	SonobuoyClient *client.SonobuoyClient
 	SonobuoyImage  string
 	Timeout        int