backup:add unit test for backup controller

Signed-off-by: Xieql <xieqianglong@huawei.com>

pkg/fleet-manager/backup-testdata/backup/include-ns.yaml

@@ -0,0 +1,19 @@
+apiVersion: velero.io/v1
+kind: Backup
+metadata:
+  creationTimestamp: null
+  labels:
+    fleet.kurator.dev/fleet-name: quickstart
+    fleet.kurator.dev/plugin: backup
+    kurator.dev/backup-name: include-ns
+  name: kurator-member1-backup-default-include-ns
+  namespace: velero
+spec:
+  csiSnapshotTimeout: 0s
+  hooks: {}
+  includedNamespaces:
+  - kurator-backup
+  itemOperationTimeout: 0s
+  metadata: {}
+  ttl: 720h0m0s
+status: {}

pkg/fleet-manager/backup-testdata/backup/label-selector.yaml

@@ -0,0 +1,20 @@
+apiVersion: velero.io/v1
+kind: Backup
+metadata:
+  creationTimestamp: null
+  labels:
+    fleet.kurator.dev/fleet-name: quickstart
+    fleet.kurator.dev/plugin: backup
+    kurator.dev/migrate-name: label-selector
+  name: kurator-member2-migrate-default-label-selector
+  namespace: velero
+spec:
+  csiSnapshotTimeout: 0s
+  hooks: {}
+  itemOperationTimeout: 0s
+  labelSelector:
+    matchLabels:
+      app: busybox2
+  metadata: {}
+  ttl: 240h0m0s
+status: {}

pkg/fleet-manager/backup-testdata/backup/schedule.yaml

@@ -0,0 +1,21 @@
+apiVersion: velero.io/v1
+kind: Schedule
+metadata:
+  creationTimestamp: null
+  labels:
+    fleet.kurator.dev/fleet-name: quickstart
+    fleet.kurator.dev/plugin: backup
+    kurator.dev/backup-name: schedule
+  name: kurator-member1-backup-default-schedule
+  namespace: velero
+spec:
+  schedule: 0 0 * * *
+  template:
+    csiSnapshotTimeout: 0s
+    hooks: {}
+    includedNamespaces:
+    - kurator-backup
+    itemOperationTimeout: 0s
+    metadata: {}
+    ttl: 720h0m0s
+status: {}

pkg/fleet-manager/backup_controller_test.go

@@ -0,0 +1,252 @@
+/*
+Copyright Kurator Authors.
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+	http://www.apache.org/licenses/LICENSE-2.0
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package fleet
+
+import (
+	"context"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/apimachinery/pkg/types"
+	ctrl "sigs.k8s.io/controller-runtime"
+	"sigs.k8s.io/controller-runtime/pkg/client/fake"
+	"sigs.k8s.io/controller-runtime/pkg/controller/controllerutil"
+	"sigs.k8s.io/controller-runtime/pkg/reconcile"
+
+	backupapi "kurator.dev/kurator/pkg/apis/backups/v1alpha1"
+	fleetapi "kurator.dev/kurator/pkg/apis/fleet/v1alpha1"
+)
+
+const (
+	testFleetName  = "test-fleet"
+	testNamespace  = "default"
+	testBackupName = "test-backup"
+)
+
+func setupTest(t *testing.T) *BackupManager {
+	scheme := runtime.NewScheme()
+
+	if err := backupapi.AddToScheme(scheme); err != nil {
+		t.Fatalf("Failed to add backupapi to scheme: %v", err)
+	}
+	if err := fleetapi.AddToScheme(scheme); err != nil {
+		t.Fatalf("Failed to add fleetapi to scheme: %v", err)
+	}
+
+	client := fake.NewClientBuilder().WithScheme(scheme).Build()
+
+	mgr := &BackupManager{Client: client, Scheme: scheme}
+
+	return mgr
+}
+
+// createTestReconcileRequest creates a test Reconcile request for the given Backup object.
+func createTestReconcileRequest(backup *backupapi.Backup) reconcile.Request {
+	if backup == nil {
+		return reconcile.Request{}
+	}
+	return reconcile.Request{
+		NamespacedName: types.NamespacedName{
+			Name:      backup.Name,
+			Namespace: backup.Namespace,
+		},
+	}
+}
+
+// createTestBackup creates a test Backup for the given Backup name and namespace.
+func createTestBackup(name, namespace string) *backupapi.Backup {
+	return &backupapi.Backup{
+		ObjectMeta: metav1.ObjectMeta{
+			Name:      name,
+			Namespace: namespace,
+		},
+		Spec: backupapi.BackupSpec{
+			Destination: backupapi.Destination{
+				Fleet: testFleetName,
+			},
+		},
+	}
+}
+
+func createTestFleet(name, namespace string) *fleetapi.Fleet {
+	return &fleetapi.Fleet{
+		ObjectMeta: metav1.ObjectMeta{
+			Name:      name,
+			Namespace: namespace,
+		},
+	}
+}
+
+func TestReconcile(t *testing.T) {
+	tests := []struct {
+		name       string
+		backup     *backupapi.Backup
+		wantResult ctrl.Result
+		wantErr    bool
+	}{
+		{
+			name:       "Backup without finalizer",
+			backup:     createTestBackup(testBackupName, testNamespace),
+			wantResult: ctrl.Result{},
+			wantErr:    false,
+		},
+		{
+			name: "Backup with deletion timestamp",
+			backup: func() *backupapi.Backup {
+				b := createTestBackup(testBackupName, testNamespace)
+				now := metav1.Now()
+				b.DeletionTimestamp = &now
+				return b
+			}(),
+			wantResult: ctrl.Result{},
+			wantErr:    false,
+		},
+		{
+			name:       "Normal backup",
+			backup:     createTestBackup(testBackupName, testNamespace),
+			wantResult: ctrl.Result{},
+			wantErr:    false,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			mgr := setupTest(t)
+			fleetObj := createTestFleet(testFleetName, testNamespace)
+			if err := mgr.Client.Create(context.Background(), fleetObj); err != nil {
+				t.Fatalf("Failed to create test fleet: %v", err)
+			}
+
+			if err := mgr.Client.Create(context.Background(), tt.backup); err != nil {
+				t.Fatalf("Failed to create test backup: %v", err)
+			}
+
+			ctx := context.TODO()
+			req := createTestReconcileRequest(tt.backup)
+
+			gotResult, gotErr := mgr.Reconcile(ctx, req)
+			assert.Equal(t, tt.wantResult, gotResult)
+			if tt.wantErr {
+				assert.NotNil(t, gotErr)
+			} else {
+				assert.Nil(t, gotErr)
+			}
+		})
+	}
+}
+
+func TestReconcileBackupResources(t *testing.T) {
+	tests := []struct {
+		name    string
+		backup  *backupapi.Backup
+		wantErr bool
+	}{
+		{
+			name: "Test scheduled backup",
+			backup: func() *backupapi.Backup {
+				b := createTestBackup(testBackupName, testNamespace)
+				b.Spec.Schedule = "test-schedule"
+				return b
+			}(),
+			wantErr: false,
+		},
+		{
+			name:    "Test one-time backup",
+			backup:  createTestBackup(testBackupName, testNamespace),
+			wantErr: false,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			mgr := setupTest(t)
+			fleetObj := createTestFleet(testFleetName, testNamespace)
+			if err := mgr.Client.Create(context.Background(), fleetObj); err != nil {
+				t.Fatalf("Failed to create test fleet: %v", err)
+			}
+
+			if err := mgr.Client.Create(context.Background(), tt.backup); err != nil {
+				t.Fatalf("Failed to create test backup: %v", err)
+			}
+
+			_, gotErr := mgr.reconcileBackupResources(context.TODO(), tt.backup, nil)
+
+			if tt.wantErr {
+				assert.NotNil(t, gotErr)
+			} else {
+				assert.Nil(t, gotErr)
+			}
+		})
+	}
+}
+
+func TestReconcileDeleteBackup(t *testing.T) {
+	tests := []struct {
+		name          string
+		backup        *backupapi.Backup
+		wantErr       bool
+		wantFinalizer bool
+	}{
+		{
+			name: "Successful deletion",
+			backup: func() *backupapi.Backup {
+				b := createTestBackup(testBackupName, testNamespace)
+				controllerutil.AddFinalizer(b, BackupFinalizer)
+				return b
+			}(),
+			wantErr:       false,
+			wantFinalizer: false,
+		},
+		{
+			name: "Failed deletion due to fetch error",
+			backup: func() *backupapi.Backup {
+				b := createTestBackup("non-existent", "non-existent")
+				controllerutil.AddFinalizer(b, BackupFinalizer)
+				return b
+			}(),
+			wantErr:       true,
+			wantFinalizer: false,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			mgr := setupTest(t)
+			fleetObj := createTestFleet(testFleetName, testNamespace)
+			if err := mgr.Client.Create(context.Background(), fleetObj); err != nil {
+				t.Fatalf("Failed to create test fleet: %v", err)
+			}
+
+			if err := mgr.Client.Create(context.Background(), tt.backup); err != nil {
+				t.Fatalf("Failed to create test backup: %v", err)
+			}
+
+			_, err := mgr.reconcileDeleteBackup(context.TODO(), tt.backup)
+
+			if tt.wantErr {
+				assert.NotNil(t, err)
+			} else {
+				assert.Nil(t, err)
+			}
+
+			if tt.wantFinalizer {
+				assert.Contains(t, tt.backup.Finalizers, BackupFinalizer)
+			} else {
+				assert.NotContains(t, tt.backup.Finalizers, BackupFinalizer)
+			}
+		})
+	}
+}