Function testConcurrentServerStopAndGoAway

test/goaway_test.go:463–537

(t *testing.T, e env)

}

func testConcurrentServerStopAndGoAway(t *testing.T, e env) {
	te := newTest(t, e)
	te.userAgent = testAppUA
	te.declareLogNoise(
		"transport: http2Client.notifyError got notified that the client transport was broken EOF",
		"grpc: addrConn.transportMonitor exits due to: grpc: the connection is closing",
		"grpc: addrConn.resetTransport failed to create client transport: connection error",
	)
	te.startServer(&testServer{security: e.security})
	defer te.tearDown()

	cc := te.clientConn()
	tc := testgrpc.NewTestServiceClient(cc)
	ctx, cancel := context.WithTimeout(context.Background(), defaultTestTimeout)
	defer cancel()
	stream, err := tc.FullDuplexCall(ctx, grpc.WaitForReady(true))
	if err != nil {
		t.Fatalf("%v.FullDuplexCall(_) = _, %v, want <nil>", tc, err)
	}

	// Finish an RPC to make sure the connection is good.
	if _, err := tc.EmptyCall(ctx, &testpb.Empty{}, grpc.WaitForReady(true)); err != nil {
		t.Fatalf("%v.EmptyCall(_, _, _) = _, %v, want _, <nil>", tc, err)
	}

	ch := make(chan struct{})
	go func() {
		te.srv.GracefulStop()
		close(ch)
	}()
	// Loop until the server side GoAway signal is propagated to the client.
	for {
		ctx, cancel := context.WithTimeout(context.Background(), defaultTestShortTimeout)
		if _, err := tc.EmptyCall(ctx, &testpb.Empty{}, grpc.WaitForReady(true)); err != nil {
			cancel()
			break
		}
		cancel()
	}
	// Stop the server and close all the connections.
	te.srv.Stop()
	respParam := []*testpb.ResponseParameters{
		{
			Size: 1,
		},
	}
	payload, err := newPayload(testpb.PayloadType_COMPRESSABLE, int32(100))
	if err != nil {
		t.Fatal(err)
	}
	req := &testpb.StreamingOutputCallRequest{
		ResponseType:       testpb.PayloadType_COMPRESSABLE,
		ResponseParameters: respParam,
		Payload:            payload,
	}
	sendStart := time.Now()
	for {
		if err := stream.Send(req); err == io.EOF {