diff --git a/pkg/apis/numaflow/v1alpha1/mono_vertex_types_test.go b/pkg/apis/numaflow/v1alpha1/mono_vertex_types_test.go
index aeb809db05..665acd8b32 100644
--- a/pkg/apis/numaflow/v1alpha1/mono_vertex_types_test.go
+++ b/pkg/apis/numaflow/v1alpha1/mono_vertex_types_test.go
@@ -18,6 +18,7 @@ package v1alpha1
 
 import (
 	"testing"
+	"time"
 
 	"github.com/stretchr/testify/assert"
 	corev1 "k8s.io/api/core/v1"
@@ -88,6 +89,31 @@ func TestMonoVertex_MarkPhaseRunning(t *testing.T) {
 	}
 }
 
+func TestMonoVertex_MarkDaemonUnHealthy(t *testing.T) {
+	mvs := MonoVertexStatus{}
+	mvs.MarkDaemonUnHealthy("reason", "message")
+
+	for _, condition := range mvs.Conditions {
+		if condition.Type == string(MonoVertexConditionDaemonHealthy) {
+			if condition.Status != metav1.ConditionFalse {
+				t.Errorf("MarkDaemonUnHealthy should set the DaemonHealthy condition to false, got %v", condition.Status)
+			}
+			if condition.Reason != "reason" {
+				t.Errorf("MarkDaemonUnHealthy should set the Reason to 'reason', got %s", condition.Reason)
+			}
+			if condition.Message != "message" {
+				t.Errorf("MarkDaemonUnHealthy should set the Message to 'message', got %s", condition.Message)
+			}
+		}
+	}
+}
+
+func TestMonoVertex_SetObservedGeneration(t *testing.T) {
+	mvs := MonoVertexStatus{}
+	mvs.SetObservedGeneration(1)
+	assert.Equal(t, int64(1), mvs.ObservedGeneration)
+}
+
 func TestMonoVertex_IsHealthy(t *testing.T) {
 	mvs := MonoVertexStatus{}
 
@@ -171,3 +197,346 @@ func TestMonoVertexGetPodSpec(t *testing.T) {
 		assert.Contains(t, envNames, EnvMonoVertexObject)
 	})
 }
+
+func TestMonoVertexLimits_GetReadBatchSize(t *testing.T) {
+	t.Run("default value", func(t *testing.T) {
+		mvl := MonoVertexLimits{}
+		assert.Equal(t, uint64(DefaultReadBatchSize), mvl.GetReadBatchSize())
+	})
+
+	t.Run("custom value", func(t *testing.T) {
+		customSize := uint64(1000)
+		mvl := MonoVertexLimits{ReadBatchSize: &customSize}
+		assert.Equal(t, customSize, mvl.GetReadBatchSize())
+	})
+
+}
+
+func TestMonoVertexLimits_GetReadTimeout(t *testing.T) {
+	t.Run("default value", func(t *testing.T) {
+		mvl := MonoVertexLimits{}
+		assert.Equal(t, DefaultReadTimeout, mvl.GetReadTimeout())
+	})
+
+	t.Run("custom value", func(t *testing.T) {
+		customTimeout := metav1.Duration{Duration: 5 * time.Second}
+		mvl := MonoVertexLimits{ReadTimeout: &customTimeout}
+		assert.Equal(t, 5*time.Second, mvl.GetReadTimeout())
+	})
+}
+
+func TestMonoVertex_GetDaemonDeploymentName(t *testing.T) {
+	mv := MonoVertex{
+		ObjectMeta: metav1.ObjectMeta{
+			Name: "test-vertex",
+		},
+	}
+	expected := "test-vertex-mv-daemon"
+	assert.Equal(t, expected, mv.GetDaemonDeploymentName())
+}
+
+func TestMonoVertex_GetDaemonServiceURL(t *testing.T) {
+	mv := MonoVertex{
+		ObjectMeta: metav1.ObjectMeta{
+			Name:      "test-vertex",
+			Namespace: "test-namespace",
+		},
+	}
+	expected := "test-vertex-mv-daemon-svc.test-namespace.svc:4327"
+	assert.Equal(t, expected, mv.GetDaemonServiceURL())
+}
+
+func TestMonoVertex_Scalable(t *testing.T) {
+	t.Run("scalable when not disabled", func(t *testing.T) {
+		mv := MonoVertex{
+			Spec: MonoVertexSpec{
+				Scale: Scale{
+					Disabled: false,
+				},
+			},
+		}
+		assert.True(t, mv.Scalable())
+	})
+
+	t.Run("not scalable when disabled", func(t *testing.T) {
+		mv := MonoVertex{
+			Spec: MonoVertexSpec{
+				Scale: Scale{
+					Disabled: true,
+				},
+			},
+		}
+		assert.False(t, mv.Scalable())
+	})
+}
+
+func TestMonoVertex_GetReplicas(t *testing.T) {
+	t.Run("default replicas", func(t *testing.T) {
+		mv := MonoVertex{}
+		assert.Equal(t, 1, mv.getReplicas())
+	})
+
+	t.Run("custom replicas", func(t *testing.T) {
+		replicas := int32(3)
+		mv := MonoVertex{
+			Spec: MonoVertexSpec{
+				Replicas: &replicas,
+			},
+		}
+		assert.Equal(t, 3, mv.getReplicas())
+	})
+}
+
+func TestMonoVertex_CalculateReplicas(t *testing.T) {
+	t.Run("auto scaling disabled", func(t *testing.T) {
+		replicas := int32(5)
+		mv := MonoVertex{
+			Spec: MonoVertexSpec{
+				Replicas: &replicas,
+				Scale: Scale{
+					Disabled: true,
+				},
+			},
+		}
+		assert.Equal(t, 5, mv.CalculateReplicas())
+	})
+
+	t.Run("auto scaling enabled, within range", func(t *testing.T) {
+		replicas := int32(3)
+		mv := MonoVertex{
+			Spec: MonoVertexSpec{
+				Replicas: &replicas,
+				Scale: Scale{
+					Disabled: false,
+					Min:      ptr.To[int32](1),
+					Max:      ptr.To[int32](5),
+				},
+			},
+		}
+		assert.Equal(t, 3, mv.CalculateReplicas())
+	})
+
+	t.Run("auto scaling enabled, below min", func(t *testing.T) {
+		replicas := int32(0)
+		mv := MonoVertex{
+			Spec: MonoVertexSpec{
+				Replicas: &replicas,
+				Scale: Scale{
+					Disabled: false,
+					Min:      ptr.To[int32](2),
+					Max:      ptr.To[int32](5),
+				},
+			},
+		}
+		assert.Equal(t, 2, mv.CalculateReplicas())
+	})
+
+	t.Run("auto scaling enabled, above max", func(t *testing.T) {
+		replicas := int32(10)
+		mv := MonoVertex{
+			Spec: MonoVertexSpec{
+				Replicas: &replicas,
+				Scale: Scale{
+					Disabled: false,
+					Min:      ptr.To[int32](2),
+					Max:      ptr.To[int32](5),
+				},
+			},
+		}
+		assert.Equal(t, 5, mv.CalculateReplicas())
+	})
+}
+
+func TestMonoVertex_GetServiceObj(t *testing.T) {
+	mv := MonoVertex{
+		ObjectMeta: metav1.ObjectMeta{
+			Name:      "test-vertex",
+			Namespace: "test-namespace",
+		},
+	}
+
+	t.Run("non-headless service", func(t *testing.T) {
+		svc := mv.getServiceObj("test-service", false, 8080, "http")
+		assert.Equal(t, "test-service", svc.Name)
+		assert.Equal(t, "test-namespace", svc.Namespace)
+		assert.Equal(t, 1, len(svc.Spec.Ports))
+		assert.Equal(t, int32(8080), svc.Spec.Ports[0].Port)
+		assert.Equal(t, "http", svc.Spec.Ports[0].Name)
+		assert.NotEqual(t, "None", svc.Spec.ClusterIP)
+	})
+
+	t.Run("headless service", func(t *testing.T) {
+		svc := mv.getServiceObj("test-headless-service", true, 9090, "grpc")
+		assert.Equal(t, "test-headless-service", svc.Name)
+		assert.Equal(t, "test-namespace", svc.Namespace)
+		assert.Equal(t, 1, len(svc.Spec.Ports))
+		assert.Equal(t, int32(9090), svc.Spec.Ports[0].Port)
+		assert.Equal(t, "grpc", svc.Spec.Ports[0].Name)
+		assert.Equal(t, "None", svc.Spec.ClusterIP)
+	})
+
+	t.Run("verify labels", func(t *testing.T) {
+		svc := mv.getServiceObj("test-label-service", false, 7070, "metrics")
+		expectedLabels := map[string]string{
+			KeyPartOf:         Project,
+			KeyManagedBy:      ControllerMonoVertex,
+			KeyComponent:      ComponentMonoVertex,
+			KeyMonoVertexName: "test-vertex",
+		}
+		assert.Equal(t, expectedLabels, svc.Labels)
+	})
+
+	t.Run("verify selector", func(t *testing.T) {
+		svc := mv.getServiceObj("test-selector-service", false, 6060, "admin")
+		expectedSelector := map[string]string{
+			KeyPartOf:         Project,
+			KeyManagedBy:      ControllerMonoVertex,
+			KeyComponent:      ComponentMonoVertex,
+			KeyMonoVertexName: "test-vertex",
+		}
+		assert.Equal(t, expectedSelector, svc.Spec.Selector)
+	})
+}
+
+func TestMonoVertex_GetServiceObjs(t *testing.T) {
+	mv := MonoVertex{
+		ObjectMeta: metav1.ObjectMeta{
+			Name:      "test-vertex",
+			Namespace: "test-namespace",
+		},
+	}
+
+	t.Run("verify service objects", func(t *testing.T) {
+		services := mv.GetServiceObjs()
+		assert.Equal(t, 1, len(services), "Expected 1 service object")
+
+		headlessService := services[0]
+		assert.Equal(t, mv.GetHeadlessServiceName(), headlessService.Name)
+		assert.Equal(t, "test-namespace", headlessService.Namespace)
+		assert.Equal(t, "None", headlessService.Spec.ClusterIP)
+		assert.Equal(t, 1, len(headlessService.Spec.Ports))
+		assert.Equal(t, int32(MonoVertexMetricsPort), headlessService.Spec.Ports[0].Port)
+		assert.Equal(t, MonoVertexMetricsPortName, headlessService.Spec.Ports[0].Name)
+	})
+}
+
+func TestMonoVertex_GetDaemonDeploymentObj(t *testing.T) {
+	mv := MonoVertex{
+		ObjectMeta: metav1.ObjectMeta{
+			Name:      "test-vertex",
+			Namespace: "test-namespace",
+		},
+		Spec: MonoVertexSpec{},
+	}
+
+	t.Run("basic deployment object", func(t *testing.T) {
+		req := GetMonoVertexDaemonDeploymentReq{
+			Image:      "test-image:latest",
+			PullPolicy: corev1.PullAlways,
+			DefaultResources: corev1.ResourceRequirements{
+				Limits: corev1.ResourceList{
+					corev1.ResourceCPU:    resource.MustParse("100m"),
+					corev1.ResourceMemory: resource.MustParse("128Mi"),
+				},
+			},
+		}
+
+		deployment, err := mv.GetDaemonDeploymentObj(req)
+		assert.NoError(t, err)
+		assert.NotNil(t, deployment)
+		assert.Equal(t, mv.GetDaemonDeploymentName(), deployment.Name)
+		assert.Equal(t, mv.Namespace, deployment.Namespace)
+		assert.Equal(t, "test-image:latest", deployment.Spec.Template.Spec.Containers[0].Image)
+		assert.Equal(t, corev1.PullAlways, deployment.Spec.Template.Spec.Containers[0].ImagePullPolicy)
+		assert.Equal(t, resource.MustParse("100m"), deployment.Spec.Template.Spec.Containers[0].Resources.Limits[corev1.ResourceCPU])
+		assert.Equal(t, resource.MustParse("128Mi"), deployment.Spec.Template.Spec.Containers[0].Resources.Limits[corev1.ResourceMemory])
+	})
+
+	t.Run("with custom environment variables", func(t *testing.T) {
+		req := GetMonoVertexDaemonDeploymentReq{
+			Image: "test-image:v1",
+			Env: []corev1.EnvVar{
+				{Name: "CUSTOM_ENV", Value: "custom_value"},
+			},
+		}
+
+		deployment, err := mv.GetDaemonDeploymentObj(req)
+		assert.NoError(t, err)
+		assert.NotNil(t, deployment)
+
+		envVars := deployment.Spec.Template.Spec.Containers[0].Env
+		assert.Contains(t, envVars, corev1.EnvVar{Name: "CUSTOM_ENV", Value: "custom_value"})
+	})
+
+	t.Run("with daemon template", func(t *testing.T) {
+		mv.Spec.DaemonTemplate = &DaemonTemplate{
+			Replicas: ptr.To[int32](3),
+			AbstractPodTemplate: AbstractPodTemplate{
+				NodeSelector: map[string]string{"node": "special"},
+			},
+			ContainerTemplate: &ContainerTemplate{
+				Resources: corev1.ResourceRequirements{
+					Limits: corev1.ResourceList{
+						corev1.ResourceCPU: resource.MustParse("200m"),
+					},
+				},
+			},
+		}
+
+		req := GetMonoVertexDaemonDeploymentReq{
+			Image: "test-image:v2",
+		}
+
+		deployment, err := mv.GetDaemonDeploymentObj(req)
+		assert.NoError(t, err)
+		assert.NotNil(t, deployment)
+		assert.Equal(t, int32(3), *deployment.Spec.Replicas)
+		assert.Equal(t, "special", deployment.Spec.Template.Spec.NodeSelector["node"])
+		assert.Equal(t, resource.MustParse("200m"), deployment.Spec.Template.Spec.Containers[0].Resources.Limits[corev1.ResourceCPU])
+	})
+
+	t.Run("verify probes", func(t *testing.T) {
+		req := GetMonoVertexDaemonDeploymentReq{
+			Image: "test-image:v3",
+		}
+
+		deployment, err := mv.GetDaemonDeploymentObj(req)
+		assert.NoError(t, err)
+		assert.NotNil(t, deployment)
+
+		container := deployment.Spec.Template.Spec.Containers[0]
+		assert.NotNil(t, container.ReadinessProbe)
+		assert.NotNil(t, container.LivenessProbe)
+
+		assert.Equal(t, int32(MonoVertexDaemonServicePort), container.ReadinessProbe.HTTPGet.Port.IntVal)
+		assert.Equal(t, "/readyz", container.ReadinessProbe.HTTPGet.Path)
+		assert.Equal(t, corev1.URISchemeHTTPS, container.ReadinessProbe.HTTPGet.Scheme)
+
+		assert.Equal(t, int32(MonoVertexDaemonServicePort), container.LivenessProbe.HTTPGet.Port.IntVal)
+		assert.Equal(t, "/livez", container.LivenessProbe.HTTPGet.Path)
+		assert.Equal(t, corev1.URISchemeHTTPS, container.LivenessProbe.HTTPGet.Scheme)
+	})
+
+	t.Run("verify labels and owner references", func(t *testing.T) {
+		req := GetMonoVertexDaemonDeploymentReq{
+			Image: "test-image:v4",
+		}
+
+		deployment, err := mv.GetDaemonDeploymentObj(req)
+		assert.NoError(t, err)
+		assert.NotNil(t, deployment)
+
+		expectedLabels := map[string]string{
+			KeyPartOf:         Project,
+			KeyManagedBy:      ControllerMonoVertex,
+			KeyComponent:      ComponentMonoVertexDaemon,
+			KeyAppName:        mv.GetDaemonDeploymentName(),
+			KeyMonoVertexName: mv.Name,
+		}
+		assert.Equal(t, expectedLabels, deployment.Labels)
+
+		assert.Len(t, deployment.OwnerReferences, 1)
+		assert.Equal(t, mv.Name, deployment.OwnerReferences[0].Name)
+		assert.Equal(t, MonoVertexGroupVersionKind.Kind, deployment.OwnerReferences[0].Kind)
+	})
+}