diff --git a/internal/pkg/afrouter/source-router_test.go b/internal/pkg/afrouter/source-router_test.go
new file mode 100644
index 0000000..a89c034
--- /dev/null
+++ b/internal/pkg/afrouter/source-router_test.go
@@ -0,0 +1,140 @@
+/*
+ * Portions copyright 2019-present Open Networking Foundation
+ * Original copyright 2019-present Ciena Corporation
+ *
+ * Licensed under the Apache License, Version 2.0 (the"github.com/stretchr/testify/assert" "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 afrouter
+
+import (
+	"github.com/golang/protobuf/proto"
+	"github.com/opencord/voltha-go/common/log"
+	common_pb "github.com/opencord/voltha-protos/go/common"
+	"github.com/stretchr/testify/assert"
+	"testing"
+)
+
+const (
+	SOURCE_ROUTER_PROTOFILE = "../../../vendor/github.com/opencord/voltha-protos/go/voltha.pb"
+)
+
+func init() {
+	log.SetDefaultLogger(log.JSON, log.DebugLevel, nil)
+	log.AddPackage(log.JSON, log.WarnLevel, nil)
+}
+
+func MakeSourceRouterTestConfig() (*RouteConfig, *RouterConfig) {
+	connectionConfig := ConnectionConfig{
+		Name: "ro_vcore01",
+		Addr: "foo",
+		Port: "123",
+	}
+
+	backendConfig := BackendConfig{
+		Name:        "ro_vcore0",
+		Type:        BackendSingleServer,
+		Connections: []ConnectionConfig{connectionConfig},
+	}
+
+	backendClusterConfig := BackendClusterConfig{
+		Name:     "ro_vcore",
+		Backends: []BackendConfig{backendConfig},
+	}
+
+	routeConfig := RouteConfig{
+		Name:           "logger",
+		Type:           RouteTypeSource,
+		RouteField:     "component_name",
+		BackendCluster: "ro_vcore",
+		backendCluster: &backendClusterConfig,
+		Methods:        []string{"UpdateLogLevel", "GetLogLevel"},
+	}
+
+	routerConfig := RouterConfig{
+		Name:         "vcore",
+		ProtoService: "VolthaService",
+		ProtoPackage: "voltha",
+		Routes:       []RouteConfig{routeConfig},
+		ProtoFile:    SOURCE_ROUTER_PROTOFILE,
+	}
+	return &routeConfig, &routerConfig
+}
+
+func TestSourceRouterInit(t *testing.T) {
+	routeConfig, routerConfig := MakeSourceRouterTestConfig()
+
+	router, err := newSourceRouter(routerConfig, routeConfig)
+
+	assert.NotNil(t, router)
+	assert.Nil(t, err)
+
+	assert.Equal(t, router.Service(), "VolthaService")
+	assert.Equal(t, router.Name(), "logger")
+
+	cluster, err := router.BackendCluster("foo", "bar")
+	assert.Equal(t, cluster, clusters["ro_vcore"])
+	assert.Nil(t, err)
+
+	assert.Equal(t, router.FindBackendCluster("ro_vcore"), clusters["ro_vcore"])
+	assert.Nil(t, router.ReplyHandler("foo"))
+}
+
+func TestSourceRouterDecodeProtoField(t *testing.T) {
+	_, routerConfig := MakeSourceRouterTestConfig()
+	_, err := newRouter(routerConfig)
+	assert.Nil(t, err)
+
+	// Get the created AffinityRouter so we can inspect its state
+	sourceRouter := allRouters["vcorelogger"].(SourceRouter)
+
+	loggingMessage := &common_pb.Logging{Level: 1,
+		PackageName:   "default",
+		ComponentName: "ro_vcore0.ro_vcore01"}
+
+	loggingData, err := proto.Marshal(loggingMessage)
+	assert.Nil(t, err)
+
+	s, err := sourceRouter.decodeProtoField(loggingData, 2) // field 2 is package_name
+	assert.Equal(t, s, "default")
+
+	s, err = sourceRouter.decodeProtoField(loggingData, 3) // field 2 is component_name
+	assert.Equal(t, s, "ro_vcore0.ro_vcore01")
+}
+
+func TestSourceRouterRoute(t *testing.T) {
+	_, routerConfig := MakeSourceRouterTestConfig()
+	_, err := newRouter(routerConfig)
+	assert.Nil(t, err)
+
+	// Get the created AffinityRouter so we can inspect its state
+	sourceRouter := allRouters["vcorelogger"].(SourceRouter)
+
+	loggingMessage := &common_pb.Logging{Level: 1,
+		PackageName:   "default",
+		ComponentName: "ro_vcore0.ro_vcore01"}
+
+	loggingData, err := proto.Marshal(loggingMessage)
+	assert.Nil(t, err)
+
+	sel := &requestFrame{payload: loggingData,
+		err:        nil,
+		methodInfo: newMethodDetails("/voltha.VolthaService/UpdateLogLevel")}
+
+	backend, connection := sourceRouter.Route(sel)
+
+	assert.Nil(t, sel.err)
+	assert.NotNil(t, backend)
+	assert.Equal(t, backend.name, "ro_vcore0")
+	assert.NotNil(t, connection)
+	assert.Equal(t, connection.name, "ro_vcore01")
+}