auto_shutdown_test.go

// Copyright (c) 2020-2021 Doc.ai and/or its affiliates.
//
// Copyright (c) 2020-2021 Cisco and/or its affiliates.
//
// SPDX-License-Identifier: Apache-2.0
//
// Licensed under the Apache License, Version 2.0 (the "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 main_test

import (
	"context"
	"os"
	"testing"
	"time"

	"github.com/stretchr/testify/require"
	"google.golang.org/grpc"
	"google.golang.org/grpc/codes"
	"google.golang.org/grpc/health/grpc_health_v1"

	"github.com/networkservicemesh/sdk/pkg/tools/grpcutils"
)

func TestAutoShutdown(t *testing.T) {
	err := os.Setenv("NSM_IDLE_TIMEOUT", "2s")
	require.NoError(t, err)
	f := TestSuite{}
	f.SetT(t)
	f.SetupSuite()
	defer f.TearDownSuite()

	ctx, cancel := context.WithTimeout(f.ctx, time.Second*5)
	defer cancel()

	hcRequest := &grpc_health_v1.HealthCheckRequest{
		Service: "networkservice.NetworkService",
	}

	healthClient := grpc_health_v1.NewHealthClient(f.sutCC)
	healthResponse, err := healthClient.Check(ctx, hcRequest, grpc.WaitForReady(true))
	require.NoError(t, err)
	require.NotNil(t, healthResponse)
	require.Equal(t, grpc_health_v1.HealthCheckResponse_SERVING, healthResponse.Status)

	require.Eventually(t, func() bool {
		_, err = healthClient.Check(ctx, hcRequest)
		return err != nil && grpcutils.UnwrapCode(err) == codes.Unavailable
	}, time.Second*3, time.Millisecond*100)
}