/*
Copyright 2022 The Rook Authors. All rights reserved.

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 radosnamespace

import (
	"context"
	"os"
	"testing"

	csiopv1 "github.com/ceph/ceph-csi-operator/api/v1"
	"github.com/coreos/pkg/capnslog"
	cephv1 "github.com/rook/rook/pkg/apis/ceph.rook.io/v1"
	rookclient "github.com/rook/rook/pkg/client/clientset/versioned/fake"
	"github.com/rook/rook/pkg/client/clientset/versioned/scheme"
	"github.com/rook/rook/pkg/clusterd"
	opcontroller "github.com/rook/rook/pkg/operator/ceph/controller"
	"github.com/rook/rook/pkg/operator/ceph/csi"
	"github.com/rook/rook/pkg/operator/k8sutil"
	testop "github.com/rook/rook/pkg/operator/test"
	exectest "github.com/rook/rook/pkg/util/exec/test"
	"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/apimachinery/pkg/types"
	"k8s.io/client-go/tools/events"
	"sigs.k8s.io/controller-runtime/pkg/client/fake"
	"sigs.k8s.io/controller-runtime/pkg/reconcile"
)

func TestCephBlockPoolRadosNamespaceController(t *testing.T) {
	ctx := context.TODO()
	// Set DEBUG logging
	capnslog.SetGlobalLogLevel(capnslog.DEBUG)
	os.Setenv("ROOK_LOG_LEVEL", "DEBUG")

	var (
		name      = "namespace-a"
		namespace = "rook-ceph"
	)

	// A cephBlockPoolRadosNamespace resource with metadata and spec.
	cephBlockPoolRadosNamespace := &cephv1.CephBlockPoolRadosNamespace{
		ObjectMeta: metav1.ObjectMeta{
			Name:       name,
			Namespace:  namespace,
			UID:        types.UID("c47cac40-9bee-4d52-823b-ccd803ba5bfe"),
			Finalizers: []string{"cephblockpoolradosnamespace.ceph.rook.io"},
		},
		TypeMeta: metav1.TypeMeta{
			Kind: "CephBlockPoolRadosNamespace",
		},
		Spec: cephv1.CephBlockPoolRadosNamespaceSpec{
			BlockPoolName: namespace,
		},
		Status: &cephv1.CephBlockPoolRadosNamespaceStatus{
			Phase: "",
		},
	}

	// Objects to track in the fake client.
	object := []runtime.Object{
		cephBlockPoolRadosNamespace,
	}

	cephDaemonVersions := `{
	"mon": {
		"ceph version 20.2.1 (0000000000000000) tentacle (stable)": 3
	},
	"osd": {
		"ceph version 20.2.1 (0000000000000000) tentacle (stable)": 3
	}
}`
	executor := &exectest.MockExecutor{
		MockExecuteCommandWithOutput: func(command string, args ...string) (string, error) {
			logger.Infof("COMMAND: %s %v", command, args)
			if args[0] == "status" {
				return `{"fsid":"c47cac40-9bee-4d52-823b-ccd803ba5bfe","health":{"checks":{},"status":"HEALTH_ERR"},"pgmap":{"num_pgs":100,"pgs_by_state":[{"state_name":"active+clean","count":100}]}}`, nil
			}
			if args[0] == "versions" {
				return cephDaemonVersions, nil
			}

			return "", nil
		},
	}
	c := &clusterd.Context{
		Executor:      executor,
		Clientset:     testop.New(t, 1),
		RookClientset: rookclient.NewSimpleClientset(),
	}

	// Register operator types with the runtime scheme.
	s := scheme.Scheme
	s.AddKnownTypes(cephv1.SchemeGroupVersion, &cephv1.CephClient{}, &cephv1.CephClusterList{})

	// Create a fake client to mock API calls.
	cl := fake.NewClientBuilder().WithScheme(s).WithRuntimeObjects(object...).Build()

	// Create a ReconcileCephBlockPoolRadosNamespace object with the scheme and fake client.
	r := &ReconcileCephBlockPoolRadosNamespace{
		client:           cl,
		scheme:           s,
		context:          c,
		opManagerContext: ctx,
		opConfig:         opcontroller.OperatorConfig{Image: "ceph/ceph:v14.2.9"},
		recorder:         events.NewFakeRecorder(50),
	}

	// Mock request to simulate Reconcile() being called on an event for a
	// watched resource .
	req := reconcile.Request{
		NamespacedName: types.NamespacedName{
			Name:      name,
			Namespace: namespace,
		},
	}

	cephCluster := &cephv1.CephCluster{
		ObjectMeta: metav1.ObjectMeta{
			Name:      namespace,
			Namespace: namespace,
		},
		Spec: cephv1.ClusterSpec{
			CephVersion: cephv1.CephVersionSpec{
				Image:           "ceph/ceph:v20.0.0",
				ImagePullPolicy: v1.PullIfNotPresent,
			},
		},
		Status: cephv1.ClusterStatus{
			Phase: "",
			CephVersion: &cephv1.ClusterVersion{
				Version: "20.0.0-0",
				Image:   "ceph/ceph:v20.0.0",
			},
			CephStatus: &cephv1.CephStatus{
				Health: "",
			},
		},
	}
	s.AddKnownTypes(cephv1.SchemeGroupVersion, &cephv1.CephCluster{}, &cephv1.CephClusterList{})

	t.Run("error - no ceph cluster", func(t *testing.T) {
		// Create pool for updating status
		_, err := c.RookClientset.CephV1().CephBlockPoolRadosNamespaces(namespace).Create(ctx, cephBlockPoolRadosNamespace, metav1.CreateOptions{})
		assert.NoError(t, err)
		res, err := r.Reconcile(ctx, req)
		assert.NoError(t, err)
		assert.True(t, res.Requeue)
	})

	t.Run("error - ceph cluster not ready", func(t *testing.T) {
		object = append(object, cephCluster)
		// Create a fake client to mock API calls.
		cl = fake.NewClientBuilder().WithScheme(s).WithRuntimeObjects(object...).Build()
		// Create a ReconcileCephBlockPoolRadosNamespace object with the scheme and fake client.
		r = &ReconcileCephBlockPoolRadosNamespace{
			client: cl, scheme: s, context: c, opManagerContext: context.TODO(),
			recorder: events.NewFakeRecorder(50),
			opConfig: opcontroller.OperatorConfig{Image: "ceph/ceph:v14.2.9"},
		}
		res, err := r.Reconcile(ctx, req)
		assert.NoError(t, err)
		assert.True(t, res.Requeue)

		cephCluster.Status.Phase = cephv1.ConditionReady
		cephCluster.Status.CephStatus.Health = "HEALTH_OK"
	})

	cephBlockPool := &cephv1.CephBlockPool{
		ObjectMeta: metav1.ObjectMeta{
			Name:      namespace,
			Namespace: namespace,
		},
		Status: &cephv1.CephBlockPoolStatus{
			Phase: "",
		},
	}
	cephBlockPool.Spec.StatusCheck.Mirror.Disabled = true
	t.Run("error - ceph blockpool not ready", func(t *testing.T) {
		res, err := r.Reconcile(ctx, req)
		assert.NoError(t, err)
		assert.True(t, res.Requeue)
		cephBlockPool.Status.Phase = cephv1.ConditionReady
	})

	t.Run("success - ceph cluster ready, block pool rados namespace created", func(t *testing.T) {
		// Mock clusterInfo
		secrets := map[string][]byte{
			"fsid":         []byte(name),
			"mon-secret":   []byte("monsecret"),
			"admin-secret": []byte("adminsecret"),
		}
		secret := &v1.Secret{
			ObjectMeta: metav1.ObjectMeta{
				Name:      "rook-ceph-mon",
				Namespace: namespace,
			},
			Data: secrets,
			Type: k8sutil.RookType,
		}
		_, err := c.Clientset.CoreV1().Secrets(namespace).Create(ctx, secret, metav1.CreateOptions{})
		assert.NoError(t, err)
		objects := []runtime.Object{
			cephBlockPoolRadosNamespace,
			cephCluster,
			cephBlockPool,
		}
		// Create a fake client to mock API calls.
		cl = fake.NewClientBuilder().WithScheme(s).WithRuntimeObjects(objects...).Build()
		c.Client = cl

		executor = &exectest.MockExecutor{
			MockExecuteCommandWithOutput: func(command string, args ...string) (string, error) {
				if args[0] == "namespace" && args[1] == "create" {
					return "", nil
				}
				if args[0] == "mirror" && args[1] == "pool" {
					return `{"mode":"disabled"}`, nil
				}
				if args[0] == "versions" {
					return cephDaemonVersions, nil
				}

				return "", nil
			},
		}
		c.Executor = executor

		s.AddKnownTypes(cephv1.SchemeGroupVersion, &cephv1.CephBlockPoolList{})
		// Create a ReconcileCephBlockPoolRadosNamespace object with the scheme and fake client.
		r = &ReconcileCephBlockPoolRadosNamespace{
			client:                 cl,
			scheme:                 s,
			context:                c,
			opManagerContext:       context.TODO(),
			opConfig:               opcontroller.OperatorConfig{Image: "ceph/ceph:v14.2.9"},
			radosNamespaceContexts: make(map[string]*mirrorHealth),
			recorder:               events.NewFakeRecorder(50),
		}

		// Enable CSI
		csi.EnableRBD = true
		t.Setenv("POD_NAMESPACE", namespace)
		// Create CSI config map
		ownerRef := &metav1.OwnerReference{}
		ownerInfo := k8sutil.NewOwnerInfoWithOwnerRef(ownerRef, "")
		err = csi.CreateCsiConfigMap(context.TODO(), namespace, c.Clientset, ownerInfo)
		assert.NoError(t, err)

		res, err := r.Reconcile(ctx, req)
		assert.NoError(t, err)
		assert.False(t, res.Requeue)

		err = r.client.Get(context.TODO(), req.NamespacedName, cephBlockPoolRadosNamespace)
		assert.NoError(t, err)
		assert.Equal(t, cephv1.ConditionReady, cephBlockPoolRadosNamespace.Status.Phase)

		// test that csi configmap is created
		cm, err := c.Clientset.CoreV1().ConfigMaps(namespace).Get(ctx, csi.ConfigName, metav1.GetOptions{})
		assert.NoError(t, err)
		assert.NotEmpty(t, cm.Data[csi.ConfigKey])
		assert.Contains(t, cm.Data[csi.ConfigKey], "clusterID")
		assert.Contains(t, cm.Data[csi.ConfigKey], name)
		err = c.Clientset.CoreV1().ConfigMaps(namespace).Delete(ctx, csi.ConfigName, metav1.DeleteOptions{})
		assert.NoError(t, err)
	})

	t.Run("success - external mode csi config is updated", func(t *testing.T) {
		cephCluster.Spec.External.Enable = true
		csiOpClientProfile := &csiopv1.ClientProfile{}

		s.AddKnownTypes(cephv1.SchemeGroupVersion, &cephv1.CephBlockPoolList{}, &csiopv1.ClientProfile{}, &csiopv1.ClientProfile{})
		objects := []runtime.Object{
			cephBlockPoolRadosNamespace,
			cephCluster,
			cephBlockPool,
			csiOpClientProfile,
		}

		// Create a fake client to mock API calls.
		cl = fake.NewClientBuilder().WithScheme(s).WithRuntimeObjects(objects...).Build()
		c.Client = cl

		// Create a ReconcileCephBlockPoolRadosNamespace object with the scheme and fake client.
		r = &ReconcileCephBlockPoolRadosNamespace{
			client:           cl,
			scheme:           s,
			context:          c,
			opManagerContext: ctx,
			opConfig:         opcontroller.OperatorConfig{Image: "ceph/ceph:v14.2.9"},
			recorder:         events.NewFakeRecorder(50),
		}

		// Enable CSI
		csi.EnableRBD = true
		t.Setenv("POD_NAMESPACE", namespace)
		// Create CSI config map
		ownerRef := &metav1.OwnerReference{}
		ownerInfo := k8sutil.NewOwnerInfoWithOwnerRef(ownerRef, "")
		err := csi.CreateCsiConfigMap(context.TODO(), namespace, c.Clientset, ownerInfo)
		assert.NoError(t, err)

		res, err := r.Reconcile(ctx, req)
		assert.NoError(t, err)
		assert.False(t, res.Requeue)

		err = r.client.Get(ctx, req.NamespacedName, cephBlockPoolRadosNamespace)
		assert.NoError(t, err)
		assert.Equal(t, cephv1.ConditionReady, cephBlockPoolRadosNamespace.Status.Phase)
		assert.NotEmpty(t, cephBlockPoolRadosNamespace.Status.Info["clusterID"])

		// test that csi configmap is created
		cm, err := c.Clientset.CoreV1().ConfigMaps(namespace).Get(ctx, csi.ConfigName, metav1.GetOptions{})
		assert.NoError(t, err)
		assert.NotEmpty(t, cm.Data[csi.ConfigKey])
		assert.Contains(t, cm.Data[csi.ConfigKey], "clusterID")
		assert.Contains(t, cm.Data[csi.ConfigKey], name)
		cephCluster.Spec.External.Enable = false
	})

	t.Run("test rbd rados namespace mirroring enabled and blockpool mirroring disabled", func(t *testing.T) {
		remoteNamespace := ""
		cephBlockPoolRadosNamespace.Spec.Mirroring = &cephv1.RadosNamespaceMirroring{
			RemoteNamespace: &remoteNamespace,
			Mode:            "image",
		}
		objects := []runtime.Object{
			cephBlockPoolRadosNamespace,
			cephCluster,
			cephBlockPool,
		}
		// Create a fake client to mock API calls.
		cl = fake.NewClientBuilder().WithScheme(s).WithRuntimeObjects(objects...).Build()
		c.Client = cl

		executor = &exectest.MockExecutor{
			MockExecuteCommandWithOutput: func(command string, args ...string) (string, error) {
				if args[0] == "namespace" && args[1] == "create" {
					return "", nil
				}
				if args[0] == "mirror" && args[1] == "pool" {
					return `{"mode":""}`, nil
				}
				if args[0] == "versions" {
					return cephDaemonVersions, nil
				}

				return "", nil
			},
		}
		c.Executor = executor

		s.AddKnownTypes(cephv1.SchemeGroupVersion, &cephv1.CephBlockPoolList{})
		// Create a ReconcileCephBlockPoolRadosNamespace object with the scheme and fake client.
		r = &ReconcileCephBlockPoolRadosNamespace{
			client:                 cl,
			scheme:                 s,
			context:                c,
			opManagerContext:       context.TODO(),
			opConfig:               opcontroller.OperatorConfig{Image: "ceph/ceph:v14.2.9"},
			radosNamespaceContexts: make(map[string]*mirrorHealth),
			recorder:               events.NewFakeRecorder(50),
		}

		res, err := r.Reconcile(ctx, req)
		assert.Error(t, err)
		assert.False(t, res.Requeue)
	})

	t.Run("test rbd rados namespace mirroring enabled and blockpool mirroring is also enabled but empty rados namespace", func(t *testing.T) {
		remoteNamespace := ""
		cephBlockPoolRadosNamespace.Spec.Mirroring = &cephv1.RadosNamespaceMirroring{
			RemoteNamespace: &remoteNamespace,
			Mode:            "image",
		}
		cephBlockPool.Spec.Mirroring.Enabled = true
		objects := []runtime.Object{
			cephBlockPoolRadosNamespace,
			cephCluster,
			cephBlockPool,
		}
		// Create a fake client to mock API calls.
		cl = fake.NewClientBuilder().WithScheme(s).WithRuntimeObjects(objects...).Build()
		c.Client = cl

		executor = &exectest.MockExecutor{
			MockExecuteCommandWithOutput: func(command string, args ...string) (string, error) {
				if args[0] == "namespace" && args[1] == "create" {
					return "", nil
				}
				if args[0] == "mirror" && args[1] == "pool" {
					return `{"mode":""}`, nil
				}
				if args[0] == "versions" {
					return cephDaemonVersions, nil
				}

				return "", nil
			},
		}
		c.Executor = executor

		s.AddKnownTypes(cephv1.SchemeGroupVersion, &cephv1.CephBlockPoolList{})
		// Create a ReconcileCephBlockPoolRadosNamespace object with the scheme and fake client.
		r = &ReconcileCephBlockPoolRadosNamespace{
			client:                 cl,
			scheme:                 s,
			context:                c,
			opManagerContext:       context.TODO(),
			opConfig:               opcontroller.OperatorConfig{Image: "ceph/ceph:v14.2.9"},
			radosNamespaceContexts: make(map[string]*mirrorHealth),
			recorder:               events.NewFakeRecorder(50),
		}

		res, err := r.Reconcile(ctx, req)
		assert.NoError(t, err)
		assert.False(t, res.Requeue)
	})

	t.Run("test rbd rados namespace mirroring enabled and blockpool mirroring is also enabled and non empty rados namespace but less ceph version", func(t *testing.T) {
		cephCluster.Status.CephVersion.Version = "14.2.9"
		remoteNamespace := "test-1"
		cephBlockPoolRadosNamespace.Spec.Mirroring = &cephv1.RadosNamespaceMirroring{
			RemoteNamespace: &remoteNamespace,
			Mode:            "image",
		}
		cephBlockPool.Spec.Mirroring.Enabled = true
		objects := []runtime.Object{
			cephBlockPoolRadosNamespace,
			cephCluster,
			cephBlockPool,
		}
		// Create a fake client to mock API calls.
		cl = fake.NewClientBuilder().WithScheme(s).WithRuntimeObjects(objects...).Build()
		c.Client = cl

		executor = &exectest.MockExecutor{
			MockExecuteCommandWithOutput: func(command string, args ...string) (string, error) {
				if args[0] == "namespace" && args[1] == "create" {
					return "", nil
				}
				if args[0] == "mirror" && args[1] == "pool" && args[2] == "enable" {
					assert.Equal(t, cephBlockPoolRadosNamespace.Spec.Mirroring.RemoteNamespace, args[6])
					return "", nil
				}
				if args[0] == "mirror" && args[1] == "pool" && args[2] == "info" {
					return `{}`, nil
				}
				if args[0] == "versions" {
					return cephDaemonVersions, nil
				}
				return "", nil
			},
		}
		c.Executor = executor

		s.AddKnownTypes(cephv1.SchemeGroupVersion, &cephv1.CephBlockPoolList{})
		// Create a ReconcileCephBlockPoolRadosNamespace object with the scheme and fake client.
		r = &ReconcileCephBlockPoolRadosNamespace{
			client:                 cl,
			scheme:                 s,
			context:                c,
			opManagerContext:       context.TODO(),
			opConfig:               opcontroller.OperatorConfig{Image: "ceph/ceph:v14.2.9"},
			radosNamespaceContexts: make(map[string]*mirrorHealth),
			recorder:               events.NewFakeRecorder(50),
		}

		res, err := r.Reconcile(ctx, req)
		assert.Error(t, err)
		assert.False(t, res.Requeue)
		cephCluster.Status.CephVersion.Version = "20.0.0"
	})

	t.Run("test rbd rados namespace mirroring enabled and blockpool mirroring is also enabled and non empty rados namespace and correct ceph version", func(t *testing.T) {
		remoteNamespace := "test-1"
		cephBlockPoolRadosNamespace.Spec.Mirroring = &cephv1.RadosNamespaceMirroring{
			RemoteNamespace: &remoteNamespace,
			Mode:            "image",
		}
		cephBlockPool.Spec.Mirroring.Enabled = true
		objects := []runtime.Object{
			cephBlockPoolRadosNamespace,
			cephCluster,
			cephBlockPool,
		}
		// Create a fake client to mock API calls.
		cl = fake.NewClientBuilder().WithScheme(s).WithRuntimeObjects(objects...).Build()
		c.Client = cl

		executor = &exectest.MockExecutor{
			MockExecuteCommandWithOutput: func(command string, args ...string) (string, error) {
				if args[0] == "namespace" && args[1] == "create" {
					return "", nil
				}
				if args[0] == "mirror" && args[1] == "pool" && args[2] == "enable" {
					assert.Equal(t, *cephBlockPoolRadosNamespace.Spec.Mirroring.RemoteNamespace, args[6])
					return "", nil
				}
				if args[0] == "mirror" && args[1] == "pool" && args[2] == "info" {
					return `{}`, nil
				}
				if args[0] == "versions" {
					return cephDaemonVersions, nil
				}
				return "", nil
			},
		}
		c.Executor = executor

		s.AddKnownTypes(cephv1.SchemeGroupVersion, &cephv1.CephBlockPoolList{})
		// Create a ReconcileCephBlockPoolRadosNamespace object with the scheme and fake client.
		r = &ReconcileCephBlockPoolRadosNamespace{
			client:                 cl,
			scheme:                 s,
			context:                c,
			opManagerContext:       context.TODO(),
			opConfig:               opcontroller.OperatorConfig{Image: "ceph/ceph:v14.2.9"},
			radosNamespaceContexts: make(map[string]*mirrorHealth),
			recorder:               events.NewFakeRecorder(50),
		}

		res, err := r.Reconcile(ctx, req)
		assert.NoError(t, err)
		assert.False(t, res.Requeue)

		err = r.client.Get(ctx, req.NamespacedName, cephBlockPoolRadosNamespace)
		assert.NoError(t, err)
		assert.Equal(t, cephv1.ConditionReady, cephBlockPoolRadosNamespace.Status.Phase)
		assert.NotEmpty(t, cephBlockPoolRadosNamespace.Status.Info["clusterID"])
	})

	t.Run("test rbd rados namespace mirroring enabled and blockpool mirroring is also enabled and no remote rados namespace and correct ceph version", func(t *testing.T) {
		cephBlockPoolRadosNamespace.Spec.Mirroring = &cephv1.RadosNamespaceMirroring{
			Mode: "image",
		}
		cephBlockPool.Spec.Mirroring.Enabled = true
		objects := []runtime.Object{
			cephBlockPoolRadosNamespace,
			cephCluster,
			cephBlockPool,
		}
		// Create a fake client to mock API calls.
		cl = fake.NewClientBuilder().WithScheme(s).WithRuntimeObjects(objects...).Build()
		c.Client = cl

		executor = &exectest.MockExecutor{
			MockExecuteCommandWithOutput: func(command string, args ...string) (string, error) {
				if args[0] == "namespace" && args[1] == "create" {
					return "", nil
				}
				if args[0] == "mirror" && args[1] == "pool" && args[2] == "enable" {
					assert.Equal(t, string(cephBlockPoolRadosNamespace.Spec.Mirroring.Mode), args[4])
					return "", nil
				}
				if args[0] == "mirror" && args[1] == "pool" && args[2] == "info" {
					return `{}`, nil
				}
				if args[0] == "versions" {
					return cephDaemonVersions, nil
				}
				return "", nil
			},
		}
		c.Executor = executor

		s.AddKnownTypes(cephv1.SchemeGroupVersion, &cephv1.CephBlockPoolList{})
		// Create a ReconcileCephBlockPoolRadosNamespace object with the scheme and fake client.
		r = &ReconcileCephBlockPoolRadosNamespace{
			client:                 cl,
			scheme:                 s,
			context:                c,
			opManagerContext:       context.TODO(),
			opConfig:               opcontroller.OperatorConfig{Image: "ceph/ceph:v14.2.9"},
			radosNamespaceContexts: make(map[string]*mirrorHealth),
			recorder:               events.NewFakeRecorder(50),
		}

		res, err := r.Reconcile(ctx, req)
		assert.NoError(t, err)
		assert.False(t, res.Requeue)

		err = r.client.Get(ctx, req.NamespacedName, cephBlockPoolRadosNamespace)
		assert.NoError(t, err)
		assert.Equal(t, cephv1.ConditionReady, cephBlockPoolRadosNamespace.Status.Phase)
		assert.NotEmpty(t, cephBlockPoolRadosNamespace.Status.Info["clusterID"])
	})

	t.Run("test rbd rados namespace mirroring disabled", func(t *testing.T) {
		cephBlockPoolRadosNamespace.Spec.Mirroring = nil

		objects := []runtime.Object{
			cephBlockPoolRadosNamespace,
			cephCluster,
			cephBlockPool,
		}
		// Create a fake client to mock API calls.
		cl = fake.NewClientBuilder().WithScheme(s).WithRuntimeObjects(objects...).Build()
		c.Client = cl
		executor = &exectest.MockExecutor{
			MockExecuteCommandWithOutput: func(command string, args ...string) (string, error) {
				if args[0] == "namespace" && args[1] == "create" {
					return "", nil
				}
				// set mode = image as it was enabled earlier
				if args[0] == "mirror" && args[1] == "pool" && args[2] == "info" {
					return `{"mode":"image"}`, nil
				}
				if args[0] == "mirror" && args[1] == "pool" && args[2] == "status" {
					return `{"images":[]}`, nil
				}
				if args[0] == "mirror" && args[1] == "pool" && args[2] == "peer" {
					return `{}`, nil
				}
				if args[0] == "mirror" && args[1] == "pool" && args[2] == "disable" {
					assert.Equal(t, cephBlockPool.Name+"/"+cephBlockPoolRadosNamespace.Name, args[3])
					return `{}`, nil
				}
				if args[0] == "versions" {
					return cephDaemonVersions, nil
				}
				return "", nil
			},
		}
		c.Executor = executor

		s.AddKnownTypes(cephv1.SchemeGroupVersion, &cephv1.CephBlockPoolList{})
		// Create a ReconcileCephBlockPoolRadosNamespace object with the scheme and fake client.
		r = &ReconcileCephBlockPoolRadosNamespace{
			client:                 cl,
			scheme:                 s,
			context:                c,
			opManagerContext:       context.TODO(),
			opConfig:               opcontroller.OperatorConfig{Image: "ceph/ceph:v14.2.9"},
			radosNamespaceContexts: make(map[string]*mirrorHealth),
			recorder:               events.NewFakeRecorder(50),
		}

		res, err := r.Reconcile(ctx, req)
		assert.NoError(t, err)
		assert.False(t, res.Requeue)

		err = r.client.Get(context.TODO(), req.NamespacedName, cephBlockPoolRadosNamespace)
		assert.NoError(t, err)
		assert.Equal(t, cephv1.ConditionReady, cephBlockPoolRadosNamespace.Status.Phase)
	})
}

func Test_buildClusterID(t *testing.T) {
	longName := "foooooooooooooooooooooooooooooooooooooooooooo"
	cephBlockPoolRadosNamespace := &cephv1.CephBlockPoolRadosNamespace{ObjectMeta: metav1.ObjectMeta{Namespace: "rook-ceph", Name: longName}, Spec: cephv1.CephBlockPoolRadosNamespaceSpec{BlockPoolName: "replicapool"}}
	clusterID := buildClusterID(cephBlockPoolRadosNamespace)
	assert.Equal(t, "2a74e5201e6ff9d15916ce2109c4f868", clusterID)

	// test user provided clusterID
	inputClusterID := "test-clusterID"
	cephBlockPoolRadosNamespace = &cephv1.CephBlockPoolRadosNamespace{
		ObjectMeta: metav1.ObjectMeta{
			Namespace: "rook-ceph",
			Name:      longName,
		},
		Spec: cephv1.CephBlockPoolRadosNamespaceSpec{
			BlockPoolName: "replicapool",
			ClusterID:     inputClusterID,
		},
	}
	clusterID = buildClusterID(cephBlockPoolRadosNamespace)
	assert.Equal(t, inputClusterID, clusterID)
}

func TestGetRadosNamespaceName(t *testing.T) {
	tests := []struct {
		name string
		args cephv1.CephBlockPoolRadosNamespace
		want string
	}{
		{
			"implicit-namespace",
			cephv1.CephBlockPoolRadosNamespace{
				ObjectMeta: metav1.ObjectMeta{Name: "cr-name1"},
				Spec:       cephv1.CephBlockPoolRadosNamespaceSpec{Name: cephv1.ImplicitNamespaceKey},
			},
			cephv1.ImplicitNamespaceVal,
		},
		{
			"valid-namespace",
			cephv1.CephBlockPoolRadosNamespace{
				ObjectMeta: metav1.ObjectMeta{Name: "cr-name2"},
				Spec:       cephv1.CephBlockPoolRadosNamespaceSpec{Name: "valid-ns"},
			},
			"valid-ns",
		},
		{
			"empty-namespace",
			cephv1.CephBlockPoolRadosNamespace{
				ObjectMeta: metav1.ObjectMeta{Name: "cr-name3"},
				Spec:       cephv1.CephBlockPoolRadosNamespaceSpec{},
			},
			"cr-name3",
		},
	}

	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			if got := cephv1.GetRadosNamespaceName(&tt.args); got != tt.want {
				t.Errorf("GetRadosNamespaceName() = %v, want %v", got, tt.want)
			}
		})
	}
}