distribution/vendor/google.golang.org/grpc/test/end2end_test.go
Olivier Gambier 77e69b9cf3 Move to vendor
Signed-off-by: Olivier Gambier <olivier@docker.com>
2016-03-22 10:45:49 -07:00

863 lines
26 KiB
Go

/*
*
* Copyright 2014, Google Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
package grpc_test
import (
"fmt"
"io"
"math"
"net"
"reflect"
"runtime"
"sync"
"syscall"
"testing"
"time"
"github.com/golang/protobuf/proto"
"golang.org/x/net/context"
"google.golang.org/grpc"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/credentials"
"google.golang.org/grpc/grpclog"
"google.golang.org/grpc/health"
healthpb "google.golang.org/grpc/health/grpc_health"
"google.golang.org/grpc/metadata"
testpb "google.golang.org/grpc/test/grpc_testing"
)
var (
testMetadata = metadata.MD{
"key1": "value1",
"key2": "value2",
}
)
type testServer struct {
}
func (s *testServer) EmptyCall(ctx context.Context, in *testpb.Empty) (*testpb.Empty, error) {
if _, ok := metadata.FromContext(ctx); ok {
// For testing purpose, returns an error if there is attached metadata.
return nil, grpc.Errorf(codes.DataLoss, "got extra metadata")
}
return new(testpb.Empty), nil
}
func newPayload(t testpb.PayloadType, size int32) *testpb.Payload {
if size < 0 {
grpclog.Fatalf("Requested a response with invalid length %d", size)
}
body := make([]byte, size)
switch t {
case testpb.PayloadType_COMPRESSABLE:
case testpb.PayloadType_UNCOMPRESSABLE:
grpclog.Fatalf("PayloadType UNCOMPRESSABLE is not supported")
default:
grpclog.Fatalf("Unsupported payload type: %d", t)
}
return &testpb.Payload{
Type: t.Enum(),
Body: body,
}
}
func (s *testServer) UnaryCall(ctx context.Context, in *testpb.SimpleRequest) (*testpb.SimpleResponse, error) {
md, ok := metadata.FromContext(ctx)
if ok {
if err := grpc.SendHeader(ctx, md); err != nil {
grpclog.Fatalf("grpc.SendHeader(%v, %v) = %v, want %v", ctx, md, err, nil)
}
grpc.SetTrailer(ctx, md)
}
// Simulate some service delay.
time.Sleep(time.Second)
return &testpb.SimpleResponse{
Payload: newPayload(in.GetResponseType(), in.GetResponseSize()),
}, nil
}
func (s *testServer) StreamingOutputCall(args *testpb.StreamingOutputCallRequest, stream testpb.TestService_StreamingOutputCallServer) error {
if _, ok := metadata.FromContext(stream.Context()); ok {
// For testing purpose, returns an error if there is attached metadata.
return grpc.Errorf(codes.DataLoss, "got extra metadata")
}
cs := args.GetResponseParameters()
for _, c := range cs {
if us := c.GetIntervalUs(); us > 0 {
time.Sleep(time.Duration(us) * time.Microsecond)
}
if err := stream.Send(&testpb.StreamingOutputCallResponse{
Payload: newPayload(args.GetResponseType(), c.GetSize()),
}); err != nil {
return err
}
}
return nil
}
func (s *testServer) StreamingInputCall(stream testpb.TestService_StreamingInputCallServer) error {
var sum int
for {
in, err := stream.Recv()
if err == io.EOF {
return stream.SendAndClose(&testpb.StreamingInputCallResponse{
AggregatedPayloadSize: proto.Int32(int32(sum)),
})
}
if err != nil {
return err
}
p := in.GetPayload().GetBody()
sum += len(p)
}
}
func (s *testServer) FullDuplexCall(stream testpb.TestService_FullDuplexCallServer) error {
md, ok := metadata.FromContext(stream.Context())
if ok {
if err := stream.SendHeader(md); err != nil {
grpclog.Fatalf("%v.SendHeader(%v) = %v, want %v", stream, md, err, nil)
}
stream.SetTrailer(md)
}
for {
in, err := stream.Recv()
if err == io.EOF {
// read done.
return nil
}
if err != nil {
return err
}
cs := in.GetResponseParameters()
for _, c := range cs {
if us := c.GetIntervalUs(); us > 0 {
time.Sleep(time.Duration(us) * time.Microsecond)
}
if err := stream.Send(&testpb.StreamingOutputCallResponse{
Payload: newPayload(in.GetResponseType(), c.GetSize()),
}); err != nil {
return err
}
}
}
}
func (s *testServer) HalfDuplexCall(stream testpb.TestService_HalfDuplexCallServer) error {
var msgBuf []*testpb.StreamingOutputCallRequest
for {
in, err := stream.Recv()
if err == io.EOF {
// read done.
break
}
if err != nil {
return err
}
msgBuf = append(msgBuf, in)
}
for _, m := range msgBuf {
cs := m.GetResponseParameters()
for _, c := range cs {
if us := c.GetIntervalUs(); us > 0 {
time.Sleep(time.Duration(us) * time.Microsecond)
}
if err := stream.Send(&testpb.StreamingOutputCallResponse{
Payload: newPayload(m.GetResponseType(), c.GetSize()),
}); err != nil {
return err
}
}
}
return nil
}
const tlsDir = "testdata/"
func TestDialTimeout(t *testing.T) {
conn, err := grpc.Dial("Non-Existent.Server:80", grpc.WithTimeout(time.Millisecond), grpc.WithBlock())
if err == nil {
conn.Close()
}
if err != grpc.ErrClientConnTimeout {
t.Fatalf("grpc.Dial(_, _) = %v, %v, want %v", conn, err, grpc.ErrClientConnTimeout)
}
}
func TestTLSDialTimeout(t *testing.T) {
creds, err := credentials.NewClientTLSFromFile(tlsDir+"ca.pem", "x.test.youtube.com")
if err != nil {
t.Fatalf("Failed to create credentials %v", err)
}
conn, err := grpc.Dial("Non-Existent.Server:80", grpc.WithTransportCredentials(creds), grpc.WithTimeout(time.Millisecond), grpc.WithBlock())
if err == nil {
conn.Close()
}
if err != grpc.ErrClientConnTimeout {
t.Fatalf("grpc.Dial(_, _) = %v, %v, want %v", conn, err, grpc.ErrClientConnTimeout)
}
}
func TestReconnectTimeout(t *testing.T) {
lis, err := net.Listen("tcp", ":0")
if err != nil {
t.Fatalf("Failed to listen: %v", err)
}
_, port, err := net.SplitHostPort(lis.Addr().String())
if err != nil {
t.Fatalf("Failed to parse listener address: %v", err)
}
addr := "localhost:" + port
conn, err := grpc.Dial(addr, grpc.WithTimeout(5*time.Second), grpc.WithBlock())
if err != nil {
t.Fatalf("Failed to dial to the server %q: %v", addr, err)
}
// Close unaccepted connection (i.e., conn).
lis.Close()
tc := testpb.NewTestServiceClient(conn)
waitC := make(chan struct{})
go func() {
defer close(waitC)
argSize := 271828
respSize := 314159
req := &testpb.SimpleRequest{
ResponseType: testpb.PayloadType_COMPRESSABLE.Enum(),
ResponseSize: proto.Int32(int32(respSize)),
Payload: newPayload(testpb.PayloadType_COMPRESSABLE, int32(argSize)),
}
if _, err := tc.UnaryCall(context.Background(), req); err == nil {
t.Fatalf("TestService/UnaryCall(_, _) = _, <nil>, want _, non-nil")
}
}()
// Block untill reconnect times out.
<-waitC
if err := conn.Close(); err != grpc.ErrClientConnClosing {
t.Fatalf("%v.Close() = %v, want %v", conn, err, grpc.ErrClientConnClosing)
}
}
func unixDialer(addr string, timeout time.Duration) (net.Conn, error) {
return net.DialTimeout("unix", addr, timeout)
}
type env struct {
network string // The type of network such as tcp, unix, etc.
dialer func(addr string, timeout time.Duration) (net.Conn, error)
security string // The security protocol such as TLS, SSH, etc.
}
func listTestEnv() []env {
if runtime.GOOS == "windows" {
return []env{env{"tcp", nil, ""}, env{"tcp", nil, "tls"}}
}
return []env{env{"tcp", nil, ""}, env{"tcp", nil, "tls"}, env{"unix", unixDialer, ""}, env{"unix", unixDialer, "tls"}}
}
func setUp(healthCheck bool, maxStream uint32, e env) (s *grpc.Server, cc *grpc.ClientConn) {
sopts := []grpc.ServerOption{grpc.MaxConcurrentStreams(maxStream)}
la := ":0"
switch e.network {
case "unix":
la = "/tmp/testsock" + fmt.Sprintf("%d", time.Now())
syscall.Unlink(la)
}
lis, err := net.Listen(e.network, la)
if err != nil {
grpclog.Fatalf("Failed to listen: %v", err)
}
if e.security == "tls" {
creds, err := credentials.NewServerTLSFromFile(tlsDir+"server1.pem", tlsDir+"server1.key")
if err != nil {
grpclog.Fatalf("Failed to generate credentials %v", err)
}
sopts = append(sopts, grpc.Creds(creds))
}
s = grpc.NewServer(sopts...)
if healthCheck {
healthpb.RegisterHealthCheckServer(s, &health.HealthServer{})
}
testpb.RegisterTestServiceServer(s, &testServer{})
go s.Serve(lis)
addr := la
switch e.network {
case "unix":
default:
_, port, err := net.SplitHostPort(lis.Addr().String())
if err != nil {
grpclog.Fatalf("Failed to parse listener address: %v", err)
}
addr = "localhost:" + port
}
if e.security == "tls" {
creds, err := credentials.NewClientTLSFromFile(tlsDir+"ca.pem", "x.test.youtube.com")
if err != nil {
grpclog.Fatalf("Failed to create credentials %v", err)
}
cc, err = grpc.Dial(addr, grpc.WithTransportCredentials(creds), grpc.WithDialer(e.dialer))
} else {
cc, err = grpc.Dial(addr, grpc.WithDialer(e.dialer))
}
if err != nil {
grpclog.Fatalf("Dial(%q) = %v", addr, err)
}
return
}
func tearDown(s *grpc.Server, cc *grpc.ClientConn) {
cc.Close()
s.Stop()
}
func TestTimeoutOnDeadServer(t *testing.T) {
for _, e := range listTestEnv() {
testTimeoutOnDeadServer(t, e)
}
}
func testTimeoutOnDeadServer(t *testing.T, e env) {
s, cc := setUp(false, math.MaxUint32, e)
tc := testpb.NewTestServiceClient(cc)
s.Stop()
// Set -1 as the timeout to make sure if transportMonitor gets error
// notification in time the failure path of the 1st invoke of
// ClientConn.wait hits the deadline exceeded error.
ctx, _ := context.WithTimeout(context.Background(), -1)
if _, err := tc.EmptyCall(ctx, &testpb.Empty{}); grpc.Code(err) != codes.DeadlineExceeded {
t.Fatalf("TestService/EmptyCall(%v, _) = _, error %v, want _, error code: %d", ctx, err, codes.DeadlineExceeded)
}
cc.Close()
}
func TestHealthCheckOnSuccess(t *testing.T) {
for _, e := range listTestEnv() {
testHealthCheckOnSuccess(t, e)
}
}
func testHealthCheckOnSuccess(t *testing.T, e env) {
s, cc := setUp(true, math.MaxUint32, e)
defer tearDown(s, cc)
if err := health.HealthCheck(1*time.Second, cc); err != nil {
t.Fatalf("HealthCheck(_)=_, %v, want <nil>", err)
}
}
func TestHealthCheckOnFailure(t *testing.T) {
for _, e := range listTestEnv() {
testHealthCheckOnFailure(t, e)
}
}
func testHealthCheckOnFailure(t *testing.T, e env) {
s, cc := setUp(true, math.MaxUint32, e)
defer tearDown(s, cc)
if err := health.HealthCheck(0*time.Second, cc); err != grpc.Errorf(codes.DeadlineExceeded, "context deadline exceeded") {
t.Fatalf("HealthCheck(_)=_, %v, want error code %d", err, codes.DeadlineExceeded)
}
}
func TestHealthCheckOff(t *testing.T) {
for _, e := range listTestEnv() {
testHealthCheckOff(t, e)
}
}
func testHealthCheckOff(t *testing.T, e env) {
s, cc := setUp(false, math.MaxUint32, e)
defer tearDown(s, cc)
err := health.HealthCheck(1*time.Second, cc)
if err != grpc.Errorf(codes.Unimplemented, "unknown service grpc.health.HealthCheck") {
t.Fatalf("HealthCheck(_)=_, %v, want error code %d", err, codes.DeadlineExceeded)
}
}
func TestEmptyUnary(t *testing.T) {
for _, e := range listTestEnv() {
testEmptyUnary(t, e)
}
}
func testEmptyUnary(t *testing.T, e env) {
s, cc := setUp(false, math.MaxUint32, e)
tc := testpb.NewTestServiceClient(cc)
defer tearDown(s, cc)
reply, err := tc.EmptyCall(context.Background(), &testpb.Empty{})
if err != nil || !proto.Equal(&testpb.Empty{}, reply) {
t.Fatalf("TestService/EmptyCall(_, _) = %v, %v, want %v, <nil>", reply, err, &testpb.Empty{})
}
}
func TestFailedEmptyUnary(t *testing.T) {
for _, e := range listTestEnv() {
testFailedEmptyUnary(t, e)
}
}
func testFailedEmptyUnary(t *testing.T, e env) {
s, cc := setUp(false, math.MaxUint32, e)
tc := testpb.NewTestServiceClient(cc)
defer tearDown(s, cc)
ctx := metadata.NewContext(context.Background(), testMetadata)
if _, err := tc.EmptyCall(ctx, &testpb.Empty{}); err != grpc.Errorf(codes.DataLoss, "got extra metadata") {
t.Fatalf("TestService/EmptyCall(_, _) = _, %v, want _, %v", err, grpc.Errorf(codes.DataLoss, "got extra metadata"))
}
}
func TestLargeUnary(t *testing.T) {
for _, e := range listTestEnv() {
testLargeUnary(t, e)
}
}
func testLargeUnary(t *testing.T, e env) {
s, cc := setUp(false, math.MaxUint32, e)
tc := testpb.NewTestServiceClient(cc)
defer tearDown(s, cc)
argSize := 271828
respSize := 314159
req := &testpb.SimpleRequest{
ResponseType: testpb.PayloadType_COMPRESSABLE.Enum(),
ResponseSize: proto.Int32(int32(respSize)),
Payload: newPayload(testpb.PayloadType_COMPRESSABLE, int32(argSize)),
}
reply, err := tc.UnaryCall(context.Background(), req)
if err != nil {
t.Fatalf("TestService/UnaryCall(_, _) = _, %v, want _, <nil>", err)
}
pt := reply.GetPayload().GetType()
ps := len(reply.GetPayload().GetBody())
if pt != testpb.PayloadType_COMPRESSABLE || ps != respSize {
t.Fatalf("Got the reply with type %d len %d; want %d, %d", pt, ps, testpb.PayloadType_COMPRESSABLE, respSize)
}
}
func TestMetadataUnaryRPC(t *testing.T) {
for _, e := range listTestEnv() {
testMetadataUnaryRPC(t, e)
}
}
func testMetadataUnaryRPC(t *testing.T, e env) {
s, cc := setUp(false, math.MaxUint32, e)
tc := testpb.NewTestServiceClient(cc)
defer tearDown(s, cc)
argSize := 2718
respSize := 314
req := &testpb.SimpleRequest{
ResponseType: testpb.PayloadType_COMPRESSABLE.Enum(),
ResponseSize: proto.Int32(int32(respSize)),
Payload: newPayload(testpb.PayloadType_COMPRESSABLE, int32(argSize)),
}
var header, trailer metadata.MD
ctx := metadata.NewContext(context.Background(), testMetadata)
_, err := tc.UnaryCall(ctx, req, grpc.Header(&header), grpc.Trailer(&trailer))
if err != nil {
t.Fatalf("TestService.UnaryCall(%v, _, _, _) = _, %v; want _, <nil>", ctx, err)
}
if !reflect.DeepEqual(testMetadata, header) {
t.Fatalf("Received header metadata %v, want %v", header, testMetadata)
}
if !reflect.DeepEqual(testMetadata, trailer) {
t.Fatalf("Received trailer metadata %v, want %v", trailer, testMetadata)
}
}
func performOneRPC(t *testing.T, tc testpb.TestServiceClient, wg *sync.WaitGroup) {
argSize := 2718
respSize := 314
req := &testpb.SimpleRequest{
ResponseType: testpb.PayloadType_COMPRESSABLE.Enum(),
ResponseSize: proto.Int32(int32(respSize)),
Payload: newPayload(testpb.PayloadType_COMPRESSABLE, int32(argSize)),
}
reply, err := tc.UnaryCall(context.Background(), req)
if err != nil {
t.Fatalf("TestService/UnaryCall(_, _) = _, %v, want _, <nil>", err)
}
pt := reply.GetPayload().GetType()
ps := len(reply.GetPayload().GetBody())
if pt != testpb.PayloadType_COMPRESSABLE || ps != respSize {
t.Fatalf("Got the reply with type %d len %d; want %d, %d", pt, ps, testpb.PayloadType_COMPRESSABLE, respSize)
}
wg.Done()
}
func TestRetry(t *testing.T) {
for _, e := range listTestEnv() {
testRetry(t, e)
}
}
// This test mimics a user who sends 1000 RPCs concurrently on a faulty transport.
// TODO(zhaoq): Refactor to make this clearer and add more cases to test racy
// and error-prone paths.
func testRetry(t *testing.T, e env) {
s, cc := setUp(false, math.MaxUint32, e)
tc := testpb.NewTestServiceClient(cc)
defer tearDown(s, cc)
var wg sync.WaitGroup
wg.Add(1)
go func() {
time.Sleep(1 * time.Second)
// The server shuts down the network connection to make a
// transport error which will be detected by the client side
// code.
s.TestingCloseConns()
wg.Done()
}()
// All these RPCs should succeed eventually.
for i := 0; i < 1000; i++ {
time.Sleep(2 * time.Millisecond)
wg.Add(1)
go performOneRPC(t, tc, &wg)
}
wg.Wait()
}
func TestRPCTimeout(t *testing.T) {
for _, e := range listTestEnv() {
testRPCTimeout(t, e)
}
}
// TODO(zhaoq): Have a better test coverage of timeout and cancellation mechanism.
func testRPCTimeout(t *testing.T, e env) {
s, cc := setUp(false, math.MaxUint32, e)
tc := testpb.NewTestServiceClient(cc)
defer tearDown(s, cc)
argSize := 2718
respSize := 314
req := &testpb.SimpleRequest{
ResponseType: testpb.PayloadType_COMPRESSABLE.Enum(),
ResponseSize: proto.Int32(int32(respSize)),
Payload: newPayload(testpb.PayloadType_COMPRESSABLE, int32(argSize)),
}
for i := -1; i <= 10; i++ {
ctx, _ := context.WithTimeout(context.Background(), time.Duration(i)*time.Millisecond)
reply, err := tc.UnaryCall(ctx, req)
if grpc.Code(err) != codes.DeadlineExceeded {
t.Fatalf(`TestService/UnaryCallv(_, _) = %v, %v; want <nil>, error code: %d`, reply, err, codes.DeadlineExceeded)
}
}
}
func TestCancel(t *testing.T) {
for _, e := range listTestEnv() {
testCancel(t, e)
}
}
func testCancel(t *testing.T, e env) {
s, cc := setUp(false, math.MaxUint32, e)
tc := testpb.NewTestServiceClient(cc)
defer tearDown(s, cc)
argSize := 2718
respSize := 314
req := &testpb.SimpleRequest{
ResponseType: testpb.PayloadType_COMPRESSABLE.Enum(),
ResponseSize: proto.Int32(int32(respSize)),
Payload: newPayload(testpb.PayloadType_COMPRESSABLE, int32(argSize)),
}
ctx, cancel := context.WithCancel(context.Background())
time.AfterFunc(1*time.Millisecond, cancel)
reply, err := tc.UnaryCall(ctx, req)
if grpc.Code(err) != codes.Canceled {
t.Fatalf(`TestService/UnaryCall(_, _) = %v, %v; want <nil>, error code: %d`, reply, err, codes.Canceled)
}
}
// The following tests the gRPC streaming RPC implementations.
// TODO(zhaoq): Have better coverage on error cases.
var (
reqSizes = []int{27182, 8, 1828, 45904}
respSizes = []int{31415, 9, 2653, 58979}
)
func TestPingPong(t *testing.T) {
for _, e := range listTestEnv() {
testPingPong(t, e)
}
}
func testPingPong(t *testing.T, e env) {
s, cc := setUp(false, math.MaxUint32, e)
tc := testpb.NewTestServiceClient(cc)
defer tearDown(s, cc)
stream, err := tc.FullDuplexCall(context.Background())
if err != nil {
t.Fatalf("%v.FullDuplexCall(_) = _, %v, want <nil>", tc, err)
}
var index int
for index < len(reqSizes) {
respParam := []*testpb.ResponseParameters{
{
Size: proto.Int32(int32(respSizes[index])),
},
}
req := &testpb.StreamingOutputCallRequest{
ResponseType: testpb.PayloadType_COMPRESSABLE.Enum(),
ResponseParameters: respParam,
Payload: newPayload(testpb.PayloadType_COMPRESSABLE, int32(reqSizes[index])),
}
if err := stream.Send(req); err != nil {
t.Fatalf("%v.Send(%v) = %v, want <nil>", stream, req, err)
}
reply, err := stream.Recv()
if err != nil {
t.Fatalf("%v.Recv() = %v, want <nil>", stream, err)
}
pt := reply.GetPayload().GetType()
if pt != testpb.PayloadType_COMPRESSABLE {
t.Fatalf("Got the reply of type %d, want %d", pt, testpb.PayloadType_COMPRESSABLE)
}
size := len(reply.GetPayload().GetBody())
if size != int(respSizes[index]) {
t.Fatalf("Got reply body of length %d, want %d", size, respSizes[index])
}
index++
}
if err := stream.CloseSend(); err != nil {
t.Fatalf("%v.CloseSend() got %v, want %v", stream, err, nil)
}
if _, err := stream.Recv(); err != io.EOF {
t.Fatalf("%v failed to complele the ping pong test: %v", stream, err)
}
}
func TestMetadataStreamingRPC(t *testing.T) {
for _, e := range listTestEnv() {
testMetadataStreamingRPC(t, e)
}
}
func testMetadataStreamingRPC(t *testing.T, e env) {
s, cc := setUp(false, math.MaxUint32, e)
tc := testpb.NewTestServiceClient(cc)
defer tearDown(s, cc)
ctx := metadata.NewContext(context.Background(), testMetadata)
stream, err := tc.FullDuplexCall(ctx)
if err != nil {
t.Fatalf("%v.FullDuplexCall(_) = _, %v, want <nil>", tc, err)
}
go func() {
headerMD, err := stream.Header()
if err != nil || !reflect.DeepEqual(testMetadata, headerMD) {
t.Errorf("#1 %v.Header() = %v, %v, want %v, <nil>", stream, headerMD, err, testMetadata)
}
// test the cached value.
headerMD, err = stream.Header()
if err != nil || !reflect.DeepEqual(testMetadata, headerMD) {
t.Errorf("#2 %v.Header() = %v, %v, want %v, <nil>", stream, headerMD, err, testMetadata)
}
var index int
for index < len(reqSizes) {
respParam := []*testpb.ResponseParameters{
{
Size: proto.Int32(int32(respSizes[index])),
},
}
req := &testpb.StreamingOutputCallRequest{
ResponseType: testpb.PayloadType_COMPRESSABLE.Enum(),
ResponseParameters: respParam,
Payload: newPayload(testpb.PayloadType_COMPRESSABLE, int32(reqSizes[index])),
}
if err := stream.Send(req); err != nil {
t.Errorf("%v.Send(%v) = %v, want <nil>", stream, req, err)
return
}
index++
}
// Tell the server we're done sending args.
stream.CloseSend()
}()
for {
if _, err := stream.Recv(); err != nil {
break
}
}
trailerMD := stream.Trailer()
if !reflect.DeepEqual(testMetadata, trailerMD) {
t.Fatalf("%v.Trailer() = %v, want %v", stream, trailerMD, testMetadata)
}
}
func TestServerStreaming(t *testing.T) {
for _, e := range listTestEnv() {
testServerStreaming(t, e)
}
}
func testServerStreaming(t *testing.T, e env) {
s, cc := setUp(false, math.MaxUint32, e)
tc := testpb.NewTestServiceClient(cc)
defer tearDown(s, cc)
respParam := make([]*testpb.ResponseParameters, len(respSizes))
for i, s := range respSizes {
respParam[i] = &testpb.ResponseParameters{
Size: proto.Int32(int32(s)),
}
}
req := &testpb.StreamingOutputCallRequest{
ResponseType: testpb.PayloadType_COMPRESSABLE.Enum(),
ResponseParameters: respParam,
}
stream, err := tc.StreamingOutputCall(context.Background(), req)
if err != nil {
t.Fatalf("%v.StreamingOutputCall(_) = _, %v, want <nil>", tc, err)
}
var rpcStatus error
var respCnt int
var index int
for {
reply, err := stream.Recv()
if err != nil {
rpcStatus = err
break
}
pt := reply.GetPayload().GetType()
if pt != testpb.PayloadType_COMPRESSABLE {
t.Fatalf("Got the reply of type %d, want %d", pt, testpb.PayloadType_COMPRESSABLE)
}
size := len(reply.GetPayload().GetBody())
if size != int(respSizes[index]) {
t.Fatalf("Got reply body of length %d, want %d", size, respSizes[index])
}
index++
respCnt++
}
if rpcStatus != io.EOF {
t.Fatalf("Failed to finish the server streaming rpc: %v, want <EOF>", err)
}
if respCnt != len(respSizes) {
t.Fatalf("Got %d reply, want %d", len(respSizes), respCnt)
}
}
func TestFailedServerStreaming(t *testing.T) {
for _, e := range listTestEnv() {
testFailedServerStreaming(t, e)
}
}
func testFailedServerStreaming(t *testing.T, e env) {
s, cc := setUp(false, math.MaxUint32, e)
tc := testpb.NewTestServiceClient(cc)
defer tearDown(s, cc)
respParam := make([]*testpb.ResponseParameters, len(respSizes))
for i, s := range respSizes {
respParam[i] = &testpb.ResponseParameters{
Size: proto.Int32(int32(s)),
}
}
req := &testpb.StreamingOutputCallRequest{
ResponseType: testpb.PayloadType_COMPRESSABLE.Enum(),
ResponseParameters: respParam,
}
ctx := metadata.NewContext(context.Background(), testMetadata)
stream, err := tc.StreamingOutputCall(ctx, req)
if err != nil {
t.Fatalf("%v.StreamingOutputCall(_) = _, %v, want <nil>", tc, err)
}
if _, err := stream.Recv(); err != grpc.Errorf(codes.DataLoss, "got extra metadata") {
t.Fatalf("%v.Recv() = _, %v, want _, %v", stream, err, grpc.Errorf(codes.DataLoss, "got extra metadata"))
}
}
func TestClientStreaming(t *testing.T) {
for _, e := range listTestEnv() {
testClientStreaming(t, e)
}
}
func testClientStreaming(t *testing.T, e env) {
s, cc := setUp(false, math.MaxUint32, e)
tc := testpb.NewTestServiceClient(cc)
defer tearDown(s, cc)
stream, err := tc.StreamingInputCall(context.Background())
if err != nil {
t.Fatalf("%v.StreamingInputCall(_) = _, %v, want <nil>", tc, err)
}
var sum int
for _, s := range reqSizes {
pl := newPayload(testpb.PayloadType_COMPRESSABLE, int32(s))
req := &testpb.StreamingInputCallRequest{
Payload: pl,
}
if err := stream.Send(req); err != nil {
t.Fatalf("%v.Send(%v) = %v, want <nil>", stream, req, err)
}
sum += s
}
reply, err := stream.CloseAndRecv()
if err != nil {
t.Fatalf("%v.CloseAndRecv() got error %v, want %v", stream, err, nil)
}
if reply.GetAggregatedPayloadSize() != int32(sum) {
t.Fatalf("%v.CloseAndRecv().GetAggregatePayloadSize() = %v; want %v", stream, reply.GetAggregatedPayloadSize(), sum)
}
}
func TestExceedMaxStreamsLimit(t *testing.T) {
for _, e := range listTestEnv() {
testExceedMaxStreamsLimit(t, e)
}
}
func testExceedMaxStreamsLimit(t *testing.T, e env) {
// Only allows 1 live stream per server transport.
s, cc := setUp(false, 1, e)
tc := testpb.NewTestServiceClient(cc)
defer tearDown(s, cc)
// Perform a unary RPC to make sure the new settings were propagated to the client.
if _, err := tc.EmptyCall(context.Background(), &testpb.Empty{}); err != nil {
t.Fatalf("%v.EmptyCall(_, _) = _, %v, want _, <nil>", tc, err)
}
// Initiate the 1st stream
if _, err := tc.StreamingInputCall(context.Background()); err != nil {
t.Fatalf("%v.StreamingInputCall(_) = %v, want <nil>", tc, err)
}
var wg sync.WaitGroup
wg.Add(1)
go func() {
defer wg.Done()
// The 2nd stream should block until its deadline exceeds.
ctx, _ := context.WithTimeout(context.Background(), time.Second)
if _, err := tc.StreamingInputCall(ctx); grpc.Code(err) != codes.DeadlineExceeded {
t.Errorf("%v.StreamingInputCall(%v) = _, %v, want error code %d", tc, ctx, err, codes.DeadlineExceeded)
}
}()
wg.Wait()
}