diff --git a/api/handler/nodeAdminHandler_test.go b/api/handler/nodeAdminHandler_test.go
new file mode 100644
index 000000000..052d1bfdd
--- /dev/null
+++ b/api/handler/nodeAdminHandler_test.go
@@ -0,0 +1,145 @@
+package handler
+
+import (
+	"context"
+	"errors"
+	"reflect"
+	"testing"
+
+	"github.com/zoobc/zoobc-core/api/service"
+	"github.com/zoobc/zoobc-core/common/model"
+)
+
+type (
+	mockGetProofOfOwnershipError struct {
+		service.NodeAdminServiceInterface
+	}
+	mockGetProofOfOwnershipSuccess struct {
+		service.NodeAdminServiceInterface
+	}
+)
+
+func (*mockGetProofOfOwnershipError) GetProofOfOwnership() (*model.ProofOfOwnership, error) {
+	return nil, errors.New("Error GetProofOfOwnership")
+}
+
+func (*mockGetProofOfOwnershipSuccess) GetProofOfOwnership() (*model.ProofOfOwnership, error) {
+	return &model.ProofOfOwnership{}, nil
+}
+
+func TestNodeAdminHandler_GetProofOfOwnership(t *testing.T) {
+	type fields struct {
+		Service service.NodeAdminServiceInterface
+	}
+	type args struct {
+		ctx context.Context
+		req *model.GetProofOfOwnershipRequest
+	}
+	tests := []struct {
+		name    string
+		fields  fields
+		args    args
+		want    *model.ProofOfOwnership
+		wantErr bool
+	}{
+		{
+			name: "GetProofOfOwnership:Error",
+			fields: fields{
+				Service: &mockGetProofOfOwnershipError{},
+			},
+			want:    nil,
+			wantErr: true,
+		},
+		{
+			name: "GetProofOfOwnership:Success",
+			fields: fields{
+				Service: &mockGetProofOfOwnershipSuccess{},
+			},
+			want:    &model.ProofOfOwnership{},
+			wantErr: false,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			gp := &NodeAdminHandler{
+				Service: tt.fields.Service,
+			}
+			got, err := gp.GetProofOfOwnership(tt.args.ctx, tt.args.req)
+			if (err != nil) != tt.wantErr {
+				t.Errorf("NodeAdminHandler.GetProofOfOwnership() error = %v, wantErr %v", err, tt.wantErr)
+				return
+			}
+			if !reflect.DeepEqual(got, tt.want) {
+				t.Errorf("NodeAdminHandler.GetProofOfOwnership() = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}
+
+type (
+	mockGenerateNodeKeyError struct {
+		service.NodeAdminServiceInterface
+	}
+	mockGenerateNodeKeySuccess struct {
+		service.NodeAdminServiceInterface
+	}
+)
+
+func (*mockGenerateNodeKeyError) GenerateNodeKey(seed string) ([]byte, error) {
+	return nil, errors.New("Error GenerateNodeKey")
+}
+
+func (*mockGenerateNodeKeySuccess) GenerateNodeKey(seed string) ([]byte, error) {
+	return []byte(""), nil
+}
+
+func TestNodeAdminHandler_GenerateNodeKey(t *testing.T) {
+	type fields struct {
+		Service service.NodeAdminServiceInterface
+	}
+	type args struct {
+		ctx context.Context
+		req *model.GenerateNodeKeyRequest
+	}
+	tests := []struct {
+		name    string
+		fields  fields
+		args    args
+		want    *model.GenerateNodeKeyResponse
+		wantErr bool
+	}{
+		{
+			name: "GenerateNodeKey:Error",
+			fields: fields{
+				Service: &mockGenerateNodeKeyError{},
+			},
+			want:    nil,
+			wantErr: true,
+		},
+		{
+			name: "GenerateNodeKey:Success",
+			fields: fields{
+				Service: &mockGenerateNodeKeySuccess{},
+			},
+			want: &model.GenerateNodeKeyResponse{
+				NodePublicKey: []byte(""),
+			},
+			wantErr: false,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			gp := &NodeAdminHandler{
+				Service: tt.fields.Service,
+			}
+			got, err := gp.GenerateNodeKey(tt.args.ctx, tt.args.req)
+			if (err != nil) != tt.wantErr {
+				t.Errorf("NodeAdminHandler.GenerateNodeKey() error = %v, wantErr %v", err, tt.wantErr)
+				return
+			}
+			if !reflect.DeepEqual(got, tt.want) {
+				t.Errorf("NodeAdminHandler.GenerateNodeKey() = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}