diff --git a/pkg/scheduler/predicates_test.go b/pkg/scheduler/predicates_test.go
index 4a1f8de258a..1768f3f57b2 100644
--- a/pkg/scheduler/predicates_test.go
+++ b/pkg/scheduler/predicates_test.go
@@ -542,6 +542,33 @@ func TestServiceAffinity(t *testing.T) {
 			labels:   []string{"region"},
 			test:     "service pod on different minion, region mismatch",
 		},
+		{
+			pod:      api.Pod{ObjectMeta: api.ObjectMeta{Labels: selector, Namespace: "ns1"}},
+			pods:     []api.Pod{{Status: api.PodStatus{Host: "machine3"}, ObjectMeta: api.ObjectMeta{Labels: selector, Namespace: "ns1"}}},
+			node:     "machine1",
+			services: []api.Service{{Spec: api.ServiceSpec{Selector: selector}, ObjectMeta: api.ObjectMeta{Namespace: "ns2"}}},
+			fits:     true,
+			labels:   []string{"region"},
+			test:     "service in different namespace, region mismatch",
+		},
+		{
+			pod:      api.Pod{ObjectMeta: api.ObjectMeta{Labels: selector, Namespace: "ns1"}},
+			pods:     []api.Pod{{Status: api.PodStatus{Host: "machine3"}, ObjectMeta: api.ObjectMeta{Labels: selector, Namespace: "ns2"}}},
+			node:     "machine1",
+			services: []api.Service{{Spec: api.ServiceSpec{Selector: selector}, ObjectMeta: api.ObjectMeta{Namespace: "ns1"}}},
+			fits:     true,
+			labels:   []string{"region"},
+			test:     "pod in different namespace, region mismatch",
+		},
+		{
+			pod:      api.Pod{ObjectMeta: api.ObjectMeta{Labels: selector, Namespace: "ns1"}},
+			pods:     []api.Pod{{Status: api.PodStatus{Host: "machine3"}, ObjectMeta: api.ObjectMeta{Labels: selector, Namespace: "ns1"}}},
+			node:     "machine1",
+			services: []api.Service{{Spec: api.ServiceSpec{Selector: selector}, ObjectMeta: api.ObjectMeta{Namespace: "ns1"}}},
+			fits:     false,
+			labels:   []string{"region"},
+			test:     "service and pod in same namespace, region mismatch",
+		},
 		{
 			pod:      api.Pod{ObjectMeta: api.ObjectMeta{Labels: selector}},
 			pods:     []api.Pod{{Status: api.PodStatus{Host: "machine2"}, ObjectMeta: api.ObjectMeta{Labels: selector}}},
diff --git a/pkg/scheduler/spreading_test.go b/pkg/scheduler/spreading_test.go
index 3999d09b5f9..e0b541459a5 100644
--- a/pkg/scheduler/spreading_test.go
+++ b/pkg/scheduler/spreading_test.go
@@ -78,6 +78,47 @@ func TestServiceSpreadPriority(t *testing.T) {
 			expectedList: []HostPriority{{"machine1", 10}, {"machine2", 0}},
 			test:         "two pods, one service pod",
 		},
+		{
+			pod: api.Pod{ObjectMeta: api.ObjectMeta{Labels: labels1}},
+			pods: []api.Pod{
+				{Status: zone1Status, ObjectMeta: api.ObjectMeta{Labels: labels2}},
+				{Status: zone1Status, ObjectMeta: api.ObjectMeta{Labels: labels1, Namespace: api.NamespaceDefault}},
+				{Status: zone1Status, ObjectMeta: api.ObjectMeta{Labels: labels1, Namespace: "ns1"}},
+				{Status: zone2Status, ObjectMeta: api.ObjectMeta{Labels: labels1}},
+				{Status: zone2Status, ObjectMeta: api.ObjectMeta{Labels: labels2}},
+			},
+			nodes:        []string{"machine1", "machine2"},
+			services:     []api.Service{{Spec: api.ServiceSpec{Selector: labels1}}},
+			expectedList: []HostPriority{{"machine1", 10}, {"machine2", 0}},
+			test:         "five pods, one service pod in no namespace",
+		},
+		{
+			pod: api.Pod{ObjectMeta: api.ObjectMeta{Labels: labels1, Namespace: api.NamespaceDefault}},
+			pods: []api.Pod{
+				{Status: zone1Status, ObjectMeta: api.ObjectMeta{Labels: labels1}},
+				{Status: zone1Status, ObjectMeta: api.ObjectMeta{Labels: labels1, Namespace: "ns1"}},
+				{Status: zone2Status, ObjectMeta: api.ObjectMeta{Labels: labels1, Namespace: api.NamespaceDefault}},
+				{Status: zone2Status, ObjectMeta: api.ObjectMeta{Labels: labels2}},
+			},
+			nodes:        []string{"machine1", "machine2"},
+			services:     []api.Service{{Spec: api.ServiceSpec{Selector: labels1}, ObjectMeta: api.ObjectMeta{Namespace: api.NamespaceDefault}}},
+			expectedList: []HostPriority{{"machine1", 10}, {"machine2", 0}},
+			test:         "four pods, one service pod in default namespace",
+		},
+		{
+			pod: api.Pod{ObjectMeta: api.ObjectMeta{Labels: labels1, Namespace: "ns1"}},
+			pods: []api.Pod{
+				{Status: zone1Status, ObjectMeta: api.ObjectMeta{Labels: labels1}},
+				{Status: zone1Status, ObjectMeta: api.ObjectMeta{Labels: labels1, Namespace: api.NamespaceDefault}},
+				{Status: zone1Status, ObjectMeta: api.ObjectMeta{Labels: labels1, Namespace: "ns2"}},
+				{Status: zone2Status, ObjectMeta: api.ObjectMeta{Labels: labels1, Namespace: "ns1"}},
+				{Status: zone2Status, ObjectMeta: api.ObjectMeta{Labels: labels2}},
+			},
+			nodes:        []string{"machine1", "machine2"},
+			services:     []api.Service{{Spec: api.ServiceSpec{Selector: labels1}, ObjectMeta: api.ObjectMeta{Namespace: "ns1"}}},
+			expectedList: []HostPriority{{"machine1", 10}, {"machine2", 0}},
+			test:         "five pods, one service pod in specific namespace",
+		},
 		{
 			pod: api.Pod{ObjectMeta: api.ObjectMeta{Labels: labels1}},
 			pods: []api.Pod{
@@ -223,6 +264,21 @@ func TestZoneSpreadPriority(t *testing.T) {
 				{"machine01", 0}, {"machine02", 0}},
 			test: "three pods, two service pods on different machines",
 		},
+		{
+			pod: api.Pod{ObjectMeta: api.ObjectMeta{Labels: labels1, Namespace: api.NamespaceDefault}},
+			pods: []api.Pod{
+				{Status: zone1Status, ObjectMeta: api.ObjectMeta{Labels: labels1}},
+				{Status: zone1Status, ObjectMeta: api.ObjectMeta{Labels: labels1, Namespace: api.NamespaceDefault}},
+				{Status: zone2Status, ObjectMeta: api.ObjectMeta{Labels: labels1}},
+				{Status: zone2Status, ObjectMeta: api.ObjectMeta{Labels: labels1, Namespace: "ns1"}},
+			},
+			nodes:    labeledNodes,
+			services: []api.Service{{Spec: api.ServiceSpec{Selector: labels1}, ObjectMeta: api.ObjectMeta{Namespace: api.NamespaceDefault}}},
+			expectedList: []HostPriority{{"machine11", 0}, {"machine12", 0},
+				{"machine21", 10}, {"machine22", 10},
+				{"machine01", 0}, {"machine02", 0}},
+			test: "three service label match pods in different namespaces",
+		},
 		{
 			pod: api.Pod{ObjectMeta: api.ObjectMeta{Labels: labels1}},
 			pods: []api.Pod{