BeforeEach(func() {
		logger = lagertest.NewTestLogger("test-router-group")
		fakeClient = &fake_client.FakeClient{}
		fakeDb = &fake_db.FakeDB{}
		routerGroupHandler = handlers.NewRouteGroupsHandler(fakeClient, logger, fakeDb)
		responseRecorder = httptest.NewRecorder()

		fakeRouterGroups := []models.RouterGroup{
			{
				Guid:            DefaultRouterGroupGuid,
				Name:            DefaultRouterGroupName,
				Type:            DefaultRouterGroupType,
				ReservablePorts: "1024-65535",
			},
		}
		fakeDb.ReadRouterGroupsReturns(fakeRouterGroups, nil)
	})

	Describe("ListRouterGroups", func() {
		It("responds with 200 OK and returns default router group details", func() {
			var err error
			request, err = http.NewRequest("GET", routing_api.ListRouterGroups, nil)
			Expect(err).NotTo(HaveOccurred())
			routerGroupHandler.ListRouterGroups(responseRecorder, request)
			Expect(responseRecorder.Code).To(Equal(http.StatusOK))
			payload := responseRecorder.Body.String()
			Expect(payload).To(MatchJSON(`[
			{
				  "guid": "bad25cff-9332-48a6-8603-b619858e7992",
					"name": "default-tcp",
					"type": "tcp",