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receiver_test.go
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package amqp
import (
"context"
"errors"
"fmt"
"math"
"testing"
"time"
"github.com/Azure/go-amqp/internal/encoding"
"github.com/Azure/go-amqp/internal/fake"
"github.com/Azure/go-amqp/internal/frames"
"github.com/Azure/go-amqp/internal/test"
"github.com/stretchr/testify/require"
)
func TestReceiverInvalidOptions(t *testing.T) {
conn := fake.NewNetConn(receiverFrameHandlerNoUnhandled(0, ReceiverSettleModeFirst), fake.NetConnOptions{})
ctx, cancel := context.WithTimeout(context.Background(), 1*time.Second)
client, err := NewConn(ctx, conn, nil)
cancel()
require.NoError(t, err)
ctx, cancel = context.WithTimeout(context.Background(), 1*time.Second)
session, err := client.NewSession(ctx, nil)
cancel()
require.NoError(t, err)
ctx, cancel = context.WithTimeout(context.Background(), 1*time.Second)
r, err := session.NewReceiver(ctx, "source", &ReceiverOptions{
SettlementMode: ReceiverSettleMode(3).Ptr(),
})
cancel()
require.Error(t, err)
require.Nil(t, r)
ctx, cancel = context.WithTimeout(context.Background(), 1*time.Second)
r, err = session.NewReceiver(ctx, "source", &ReceiverOptions{
Durability: Durability(3),
})
cancel()
require.Error(t, err)
require.Nil(t, r)
ctx, cancel = context.WithTimeout(context.Background(), 1*time.Second)
r, err = session.NewReceiver(ctx, "source", &ReceiverOptions{
ExpiryPolicy: ExpiryPolicy("not-a-real-policy"),
})
cancel()
require.Error(t, err)
require.Nil(t, r)
}
func TestReceiverMethodsNoReceive(t *testing.T) {
const linkName = "test"
responder := func(remoteChannel uint16, req frames.FrameBody) (fake.Response, error) {
switch ff := req.(type) {
case *fake.AMQPProto:
return newResponse(fake.ProtoHeader(fake.ProtoAMQP))
case *frames.PerformOpen:
return newResponse(fake.PerformOpen("test"))
case *frames.PerformBegin:
return newResponse(fake.PerformBegin(0, remoteChannel))
case *frames.PerformAttach:
require.Equal(t, DurabilityUnsettledState, ff.Target.Durable)
require.Equal(t, ExpiryPolicyNever, ff.Target.ExpiryPolicy)
require.Equal(t, uint32(300), ff.Target.Timeout)
return newResponse(fake.ReceiverAttach(0, linkName, 0, ReceiverSettleModeFirst, nil))
case *frames.PerformFlow, *fake.KeepAlive:
return fake.Response{}, nil
case *frames.PerformDetach:
return newResponse(fake.PerformDetach(0, ff.Handle, nil))
default:
return fake.Response{}, fmt.Errorf("unhandled frame %T", req)
}
}
conn := fake.NewNetConn(responder, fake.NetConnOptions{})
ctx, cancel := context.WithTimeout(context.Background(), 1*time.Second)
client, err := NewConn(ctx, conn, nil)
cancel()
require.NoError(t, err)
ctx, cancel = context.WithTimeout(context.Background(), 1*time.Second)
session, err := client.NewSession(ctx, nil)
cancel()
require.NoError(t, err)
const sourceAddr = "thesource"
ctx, cancel = context.WithTimeout(context.Background(), 1*time.Second)
r, err := session.NewReceiver(ctx, sourceAddr, &ReceiverOptions{
Name: linkName,
Durability: DurabilityUnsettledState,
ExpiryPolicy: ExpiryPolicyNever,
ExpiryTimeout: 300,
})
cancel()
require.NoError(t, err)
require.Equal(t, sourceAddr, r.Address())
require.Equal(t, linkName, r.LinkName())
require.Nil(t, r.LinkSourceFilterValue("nofilter"))
require.Nil(t, r.Properties())
ctx, cancel = context.WithTimeout(context.Background(), time.Second)
require.NoError(t, r.Close(ctx))
cancel()
}
func TestReceiverLinkSourceFilter(t *testing.T) {
conn := fake.NewNetConn(receiverFrameHandlerNoUnhandled(0, ReceiverSettleModeFirst), fake.NetConnOptions{})
ctx, cancel := context.WithTimeout(context.Background(), 1*time.Second)
client, err := NewConn(ctx, conn, nil)
cancel()
require.NoError(t, err)
ctx, cancel = context.WithTimeout(context.Background(), 1*time.Second)
session, err := client.NewSession(ctx, nil)
cancel()
require.NoError(t, err)
const filterName = "myfilter"
const filterExp = "filter_exp"
ctx, cancel = context.WithTimeout(context.Background(), 1*time.Second)
r, err := session.NewReceiver(ctx, "ignored", &ReceiverOptions{
DynamicAddress: true,
Filters: []LinkFilter{
NewLinkFilter(filterName, 0, filterExp),
},
})
cancel()
require.NoError(t, err)
require.Equal(t, "test", r.Address())
require.NotEmpty(t, r.LinkName())
require.Equal(t, filterExp, r.LinkSourceFilterValue(filterName))
ctx, cancel = context.WithTimeout(context.Background(), time.Second)
require.NoError(t, r.Close(ctx))
cancel()
}
func TestReceiverOnClosed(t *testing.T) {
conn := fake.NewNetConn(receiverFrameHandlerNoUnhandled(0, ReceiverSettleModeFirst), fake.NetConnOptions{})
ctx, cancel := context.WithTimeout(context.Background(), 1*time.Second)
client, err := NewConn(ctx, conn, nil)
cancel()
require.NoError(t, err)
ctx, cancel = context.WithTimeout(context.Background(), 1*time.Second)
session, err := client.NewSession(ctx, nil)
cancel()
require.NoError(t, err)
ctx, cancel = context.WithTimeout(context.Background(), 1*time.Second)
r, err := session.NewReceiver(ctx, "source", nil)
cancel()
require.NoError(t, err)
errChan := make(chan error)
go func() {
_, err := r.Receive(context.Background(), nil)
errChan <- err
}()
ctx, cancel = context.WithTimeout(context.Background(), time.Second)
require.NoError(t, r.Close(ctx))
cancel()
var linkErr *LinkError
require.ErrorAs(t, <-errChan, &linkErr)
_, err = r.Receive(context.Background(), nil)
require.ErrorAs(t, err, &linkErr)
var amqpErr *Error
// there should be no inner error when closed on our side
require.False(t, errors.As(err, &amqpErr))
}
func TestReceiverOnSessionClosed(t *testing.T) {
conn := fake.NewNetConn(receiverFrameHandlerNoUnhandled(0, ReceiverSettleModeFirst), fake.NetConnOptions{})
ctx, cancel := context.WithTimeout(context.Background(), 1*time.Second)
client, err := NewConn(ctx, conn, nil)
cancel()
require.NoError(t, err)
ctx, cancel = context.WithTimeout(context.Background(), 1*time.Second)
session, err := client.NewSession(ctx, nil)
cancel()
require.NoError(t, err)
ctx, cancel = context.WithTimeout(context.Background(), 1*time.Second)
r, err := session.NewReceiver(ctx, "source", nil)
cancel()
require.NoError(t, err)
errChan := make(chan error)
go func() {
_, err := r.Receive(context.Background(), nil)
errChan <- err
}()
ctx, cancel = context.WithTimeout(context.Background(), time.Second)
require.NoError(t, session.Close(ctx))
cancel()
var sessionErr *SessionError
require.ErrorAs(t, <-errChan, &sessionErr)
_, err = r.Receive(context.Background(), nil)
require.ErrorAs(t, err, &sessionErr)
}
func TestReceiverOnConnClosed(t *testing.T) {
conn := fake.NewNetConn(receiverFrameHandlerNoUnhandled(0, ReceiverSettleModeFirst), fake.NetConnOptions{})
ctx, cancel := context.WithTimeout(context.Background(), 1*time.Second)
client, err := NewConn(ctx, conn, nil)
cancel()
require.NoError(t, err)
ctx, cancel = context.WithTimeout(context.Background(), 1*time.Second)
session, err := client.NewSession(ctx, nil)
cancel()
require.NoError(t, err)
ctx, cancel = context.WithTimeout(context.Background(), 1*time.Second)
r, err := session.NewReceiver(ctx, "source", nil)
cancel()
require.NoError(t, err)
errChan := make(chan error)
go func() {
_, err := r.Receive(context.Background(), nil)
errChan <- err
}()
require.NoError(t, client.Close())
err = <-errChan
var connErr *ConnError
if !errors.As(err, &connErr) {
t.Fatalf("unexpected error type %T", err)
}
_, err = r.Receive(context.Background(), nil)
if !errors.As(err, &connErr) {
t.Fatalf("unexpected error type %T", err)
}
}
func TestReceiverOnDetached(t *testing.T) {
conn := fake.NewNetConn(receiverFrameHandlerNoUnhandled(0, ReceiverSettleModeFirst), fake.NetConnOptions{})
ctx, cancel := context.WithTimeout(context.Background(), 1*time.Second)
client, err := NewConn(ctx, conn, nil)
cancel()
require.NoError(t, err)
ctx, cancel = context.WithTimeout(context.Background(), 1*time.Second)
session, err := client.NewSession(ctx, nil)
cancel()
require.NoError(t, err)
ctx, cancel = context.WithTimeout(context.Background(), 1*time.Second)
r, err := session.NewReceiver(ctx, "source", nil)
cancel()
require.NoError(t, err)
errChan := make(chan error)
go func() {
_, err := r.Receive(context.Background(), nil)
errChan <- err
}()
// initiate a server-side detach
const (
errcon = "detaching"
errdesc = "server side detach"
)
b, err := fake.PerformDetach(0, 0, &Error{Condition: errcon, Description: errdesc})
require.NoError(t, err)
conn.SendFrame(b)
var linkErr *LinkError
require.ErrorAs(t, <-errChan, &linkErr)
require.Equal(t, ErrCond(errcon), linkErr.RemoteErr.Condition)
require.Equal(t, errdesc, linkErr.RemoteErr.Description)
require.NoError(t, client.Close())
_, err = r.Receive(context.Background(), nil)
require.ErrorAs(t, err, &linkErr)
}
func TestReceiverCloseTimeout(t *testing.T) {
responder := func(remoteChannel uint16, req frames.FrameBody) (fake.Response, error) {
switch tt := req.(type) {
case *fake.AMQPProto:
return newResponse(fake.ProtoHeader(fake.ProtoAMQP))
case *frames.PerformOpen:
return newResponse(fake.PerformOpen("container"))
case *frames.PerformBegin:
return newResponse(fake.PerformBegin(0, remoteChannel))
case *frames.PerformEnd:
return newResponse(fake.PerformEnd(0, nil))
case *frames.PerformAttach:
return newResponse(fake.ReceiverAttach(0, tt.Name, tt.Handle, ReceiverSettleModeSecond, nil))
case *frames.PerformDetach:
b, err := fake.PerformDetach(0, tt.Handle, nil)
if err != nil {
return fake.Response{}, err
}
// include a write delay to trigger sender close timeout
return fake.Response{Payload: b, WriteDelay: 1 * time.Second}, nil
case *frames.PerformFlow, *fake.KeepAlive:
return fake.Response{}, nil
case *frames.PerformClose:
return newResponse(fake.PerformClose(nil))
default:
return fake.Response{}, fmt.Errorf("unhandled frame %T", req)
}
}
netConn := fake.NewNetConn(responder, fake.NetConnOptions{})
ctx, cancel := context.WithTimeout(context.Background(), 1*time.Second)
client, err := NewConn(ctx, netConn, nil)
cancel()
require.NoError(t, err)
ctx, cancel = context.WithTimeout(context.Background(), 1*time.Second)
session, err := client.NewSession(ctx, nil)
cancel()
require.NoError(t, err)
ctx, cancel = context.WithTimeout(context.Background(), 1*time.Second)
r, err := session.NewReceiver(ctx, "source", nil)
cancel()
require.NoError(t, err)
ctx, cancel = context.WithTimeout(context.Background(), 100*time.Millisecond)
err = r.Close(ctx)
cancel()
require.ErrorIs(t, err, context.DeadlineExceeded)
ctx, cancel = context.WithTimeout(context.Background(), 100*time.Millisecond)
err = r.Close(ctx)
cancel()
var linkErr *LinkError
require.ErrorAs(t, err, &linkErr)
require.Contains(t, linkErr.Error(), context.DeadlineExceeded.Error())
require.NoError(t, client.Close())
}
func TestReceiveInvalidMessage(t *testing.T) {
const linkHandle = 0
deliveryID := uint32(1)
responder := func(remoteChannel uint16, req frames.FrameBody) (fake.Response, error) {
switch tt := req.(type) {
case *fake.AMQPProto:
return newResponse(fake.ProtoHeader(fake.ProtoAMQP))
case *frames.PerformOpen:
return newResponse(fake.PerformOpen("container"))
case *frames.PerformClose:
return newResponse(fake.PerformClose(nil))
case *frames.PerformBegin:
return newResponse(fake.PerformBegin(0, remoteChannel))
case *frames.PerformEnd:
return newResponse(fake.PerformEnd(0, nil))
case *frames.PerformAttach:
return newResponse(fake.ReceiverAttach(0, tt.Name, 0, ReceiverSettleModeFirst, tt.Source.Filter))
case *frames.PerformDetach:
require.NotNil(t, tt.Error)
require.EqualValues(t, ErrCondNotAllowed, tt.Error.Condition)
return newResponse(fake.PerformDetach(0, 0, nil))
case *frames.PerformFlow, *fake.KeepAlive:
return fake.Response{}, nil
case *frames.PerformDisposition:
return newResponse(fake.PerformDisposition(encoding.RoleSender, 0, deliveryID, nil, &encoding.StateAccepted{}))
default:
return fake.Response{}, fmt.Errorf("unhandled frame %T", req)
}
}
conn := fake.NewNetConn(responder, fake.NetConnOptions{})
ctx, cancel := context.WithTimeout(context.Background(), 1*time.Second)
client, err := NewConn(ctx, conn, nil)
cancel()
require.NoError(t, err)
ctx, cancel = context.WithTimeout(context.Background(), 1*time.Second)
session, err := client.NewSession(ctx, nil)
cancel()
require.NoError(t, err)
ctx, cancel = context.WithTimeout(context.Background(), 1*time.Second)
r, err := session.NewReceiver(ctx, "source", nil)
cancel()
require.NoError(t, err)
msgChan := make(chan *Message)
errChan := make(chan error)
go func() {
msg, err := r.Receive(context.Background(), nil)
msgChan <- msg
errChan <- err
}()
// missing DeliveryID
fr, err := fake.EncodeFrame(frames.TypeAMQP, 0, &frames.PerformTransfer{
Handle: linkHandle,
})
require.NoError(t, err)
conn.SendFrame(fr)
require.Nil(t, <-msgChan)
var linkErr *LinkError
require.ErrorAs(t, <-errChan, &linkErr)
require.Contains(t, linkErr.Error(), ErrCondNotAllowed)
_, err = r.Receive(context.Background(), nil)
require.ErrorAs(t, err, &linkErr)
// missing MessageFormat
ctx, cancel = context.WithTimeout(context.Background(), 1*time.Second)
r, err = session.NewReceiver(ctx, "source", nil)
cancel()
require.NoError(t, err)
go func() {
msg, err := r.Receive(context.Background(), nil)
msgChan <- msg
errChan <- err
}()
fr, err = fake.EncodeFrame(frames.TypeAMQP, 0, &frames.PerformTransfer{
DeliveryID: &deliveryID,
Handle: linkHandle,
})
require.NoError(t, err)
conn.SendFrame(fr)
require.Nil(t, <-msgChan)
require.ErrorAs(t, <-errChan, &linkErr)
require.Contains(t, linkErr.Error(), ErrCondNotAllowed)
_, err = r.Receive(context.Background(), nil)
require.ErrorAs(t, err, &linkErr)
// missing delivery tag
format := uint32(0)
ctx, cancel = context.WithTimeout(context.Background(), 1*time.Second)
r, err = session.NewReceiver(ctx, "source", nil)
cancel()
require.NoError(t, err)
go func() {
msg, err := r.Receive(context.Background(), nil)
msgChan <- msg
errChan <- err
}()
fr, err = fake.EncodeFrame(frames.TypeAMQP, 0, &frames.PerformTransfer{
DeliveryID: &deliveryID,
Handle: linkHandle,
MessageFormat: &format,
})
require.NoError(t, err)
conn.SendFrame(fr)
require.Nil(t, <-msgChan)
require.ErrorAs(t, <-errChan, &linkErr)
require.Contains(t, linkErr.Error(), ErrCondNotAllowed)
_, err = r.Receive(context.Background(), nil)
require.ErrorAs(t, err, &linkErr)
require.NoError(t, client.Close())
}
func TestReceiveSuccessReceiverSettleModeFirst(t *testing.T) {
muxSem := test.NewMuxSemaphore(2)
const linkHandle = 0
deliveryID := uint32(1)
responder := func(remoteChannel uint16, req frames.FrameBody) (fake.Response, error) {
resp, err := receiverFrameHandler(0, ReceiverSettleModeFirst)(remoteChannel, req)
if resp.Payload != nil || err != nil {
return resp, err
}
switch ff := req.(type) {
case *frames.PerformFlow:
if *ff.NextIncomingID == deliveryID {
// this is the first flow frame, send our payload
return newResponse(fake.PerformTransfer(0, linkHandle, deliveryID, []byte("hello")))
}
// ignore future flow frames as we have no response
return fake.Response{}, nil
case *frames.PerformDisposition:
return fake.Response{}, nil
default:
return fake.Response{}, fmt.Errorf("unhandled frame %T", req)
}
}
conn := fake.NewNetConn(responder, fake.NetConnOptions{})
ctx, cancel := context.WithTimeout(context.Background(), 1*time.Second)
client, err := NewConn(ctx, conn, nil)
cancel()
require.NoError(t, err)
ctx, cancel = context.WithTimeout(context.Background(), 1*time.Second)
session, err := client.NewSession(ctx, nil)
cancel()
require.NoError(t, err)
ctx, cancel = context.WithTimeout(context.Background(), 1*time.Second)
r, err := newReceiverForSession(ctx, session, "source", &ReceiverOptions{
SettlementMode: ReceiverSettleModeFirst.Ptr(),
}, receiverTestHooks{MuxSelect: muxSem.OnLoop})
cancel()
require.NoError(t, err)
ctx, cancel = context.WithTimeout(context.Background(), time.Second)
msg, err := r.Receive(ctx, nil)
cancel()
require.NoError(t, err)
muxSem.Wait()
if c := r.countUnsettled(); c != 1 {
t.Fatalf("unexpected unsettled count %d", c)
}
// link credit should be 0
if c := r.l.linkCredit; c != 0 {
t.Fatalf("unexpected link credit %d", c)
}
muxSem.Release(1)
ctx, cancel = context.WithTimeout(context.Background(), time.Second)
err = r.AcceptMessage(ctx, msg)
cancel()
require.NoError(t, err)
muxSem.Wait()
if c := r.countUnsettled(); c != 0 {
t.Fatalf("unexpected unsettled count %d", c)
}
// link credit should be 1
if c := r.l.linkCredit; c != 1 {
t.Fatalf("unexpected link credit %d", c)
}
muxSem.Release(-1)
// subsequent dispositions should have no effect
ctx, cancel = context.WithTimeout(context.Background(), time.Second)
err = r.AcceptMessage(ctx, msg)
cancel()
require.NoError(t, err)
require.NoError(t, client.Close())
}
func TestReceiveSuccessReceiverSettleModeSecondAccept(t *testing.T) {
muxSem := test.NewMuxSemaphore(2)
const linkHandle = 0
deliveryID := uint32(1)
responder := func(remoteChannel uint16, req frames.FrameBody) (fake.Response, error) {
resp, err := receiverFrameHandler(0, ReceiverSettleModeSecond)(remoteChannel, req)
if resp.Payload != nil || err != nil {
return resp, err
}
switch ff := req.(type) {
case *frames.PerformFlow:
if *ff.NextIncomingID == deliveryID {
// this is the first flow frame, send our payload
return newResponse(fake.PerformTransfer(0, linkHandle, deliveryID, []byte("hello")))
}
// ignore future flow frames as we have no response
return fake.Response{}, nil
case *frames.PerformDisposition:
if _, ok := ff.State.(*encoding.StateAccepted); !ok {
return fake.Response{}, fmt.Errorf("unexpected State %T", ff.State)
}
return newResponse(fake.PerformDisposition(encoding.RoleSender, 0, deliveryID, nil, &encoding.StateAccepted{}))
default:
return fake.Response{}, fmt.Errorf("unhandled frame %T", req)
}
}
conn := fake.NewNetConn(responder, fake.NetConnOptions{})
ctx, cancel := context.WithTimeout(context.Background(), 1*time.Second)
client, err := NewConn(ctx, conn, nil)
cancel()
require.NoError(t, err)
ctx, cancel = context.WithTimeout(context.Background(), 1*time.Second)
session, err := client.NewSession(ctx, nil)
cancel()
require.NoError(t, err)
ctx, cancel = context.WithTimeout(context.Background(), 1*time.Second)
r, err := newReceiverForSession(ctx, session, "source", &ReceiverOptions{
SettlementMode: ReceiverSettleModeSecond.Ptr(),
}, receiverTestHooks{MuxSelect: muxSem.OnLoop})
cancel()
require.NoError(t, err)
ctx, cancel = context.WithTimeout(context.Background(), time.Second)
msg, err := r.Receive(ctx, nil)
cancel()
require.NoError(t, err)
if c := r.countUnsettled(); c != 1 {
t.Fatalf("unexpected unsettled count %d", c)
}
muxSem.Wait()
// link credit must be zero since we only started with 1
if c := r.l.linkCredit; c != 0 {
t.Fatalf("unexpected link credit %d", c)
}
muxSem.Release(2)
ctx, cancel = context.WithTimeout(context.Background(), time.Second)
err = r.AcceptMessage(ctx, msg)
cancel()
require.NoError(t, err)
muxSem.Wait()
if c := r.countUnsettled(); c != 0 {
t.Fatalf("unexpected unsettled count %d", c)
}
require.Equal(t, true, msg.settled)
// link credit should be back to 1
if c := r.l.linkCredit; c != 1 {
t.Fatalf("unexpected link credit %d", c)
}
muxSem.Release(-1)
// subsequent dispositions should have no effect
ctx, cancel = context.WithTimeout(context.Background(), 100*time.Millisecond)
err = r.AcceptMessage(ctx, msg)
cancel()
require.NoError(t, err)
require.NoError(t, client.Close())
}
func TestReceiveSuccessReceiverSettleModeSecondAcceptOnClosedLink(t *testing.T) {
muxSem := test.NewMuxSemaphore(2)
const linkHandle = 0
deliveryID := uint32(1)
responder := func(remoteChannel uint16, req frames.FrameBody) (fake.Response, error) {
resp, err := receiverFrameHandler(0, ReceiverSettleModeSecond)(remoteChannel, req)
if resp.Payload != nil || err != nil {
return resp, err
}
switch ff := req.(type) {
case *frames.PerformFlow:
if *ff.NextIncomingID == deliveryID {
// this is the first flow frame, send our payload
return newResponse(fake.PerformTransfer(0, linkHandle, deliveryID, []byte("hello")))
}
// ignore future flow frames as we have no response
return fake.Response{}, nil
case *frames.PerformDisposition:
if _, ok := ff.State.(*encoding.StateAccepted); !ok {
return fake.Response{}, fmt.Errorf("unexpected State %T", ff.State)
}
return newResponse(fake.PerformDisposition(encoding.RoleSender, 0, deliveryID, nil, &encoding.StateAccepted{}))
default:
return fake.Response{}, fmt.Errorf("unhandled frame %T", req)
}
}
conn := fake.NewNetConn(responder, fake.NetConnOptions{})
ctx, cancel := context.WithTimeout(context.Background(), 1*time.Second)
client, err := NewConn(ctx, conn, nil)
cancel()
require.NoError(t, err)
ctx, cancel = context.WithTimeout(context.Background(), 1*time.Second)
session, err := client.NewSession(ctx, nil)
cancel()
require.NoError(t, err)
ctx, cancel = context.WithTimeout(context.Background(), 1*time.Second)
r, err := newReceiverForSession(ctx, session, "source", &ReceiverOptions{
SettlementMode: ReceiverSettleModeSecond.Ptr(),
}, receiverTestHooks{MuxSelect: muxSem.OnLoop})
cancel()
require.NoError(t, err)
ctx, cancel = context.WithTimeout(context.Background(), time.Second)
msg, err := r.Receive(ctx, nil)
cancel()
require.NoError(t, err)
muxSem.Wait()
if c := r.countUnsettled(); c != 1 {
t.Fatalf("unexpected unsettled count %d", c)
}
// link credit must be zero since we only started with 1
if c := r.l.linkCredit; c != 0 {
t.Fatalf("unexpected link credit %d", c)
}
muxSem.Release(-1)
require.NoError(t, r.Close(context.Background()))
ctx, cancel = context.WithTimeout(context.Background(), time.Second)
err = r.AcceptMessage(ctx, msg)
cancel()
var linkErr *LinkError
require.ErrorAs(t, err, &linkErr)
}
func TestReceiveSuccessReceiverSettleModeSecondReject(t *testing.T) {
muxSem := test.NewMuxSemaphore(2)
const linkHandle = 0
deliveryID := uint32(1)
responder := func(remoteChannel uint16, req frames.FrameBody) (fake.Response, error) {
resp, err := receiverFrameHandler(0, ReceiverSettleModeSecond)(remoteChannel, req)
if resp.Payload != nil || err != nil {
return resp, err
}
switch ff := req.(type) {
case *frames.PerformFlow:
if *ff.NextIncomingID == deliveryID {
// this is the first flow frame, send our payload
return newResponse(fake.PerformTransfer(0, linkHandle, deliveryID, []byte("hello")))
}
// ignore future flow frames as we have no response
return fake.Response{}, nil
case *frames.PerformDisposition:
if _, ok := ff.State.(*encoding.StateRejected); !ok {
return fake.Response{}, fmt.Errorf("unexpected State %T", ff.State)
}
return newResponse(fake.PerformDisposition(encoding.RoleSender, 0, deliveryID, nil, &encoding.StateRejected{}))
default:
return fake.Response{}, fmt.Errorf("unhandled frame %T", req)
}
}
conn := fake.NewNetConn(responder, fake.NetConnOptions{})
ctx, cancel := context.WithTimeout(context.Background(), 1*time.Second)
client, err := NewConn(ctx, conn, nil)
cancel()
require.NoError(t, err)
ctx, cancel = context.WithTimeout(context.Background(), 1*time.Second)
session, err := client.NewSession(ctx, nil)
cancel()
require.NoError(t, err)
ctx, cancel = context.WithTimeout(context.Background(), 1*time.Second)
r, err := newReceiverForSession(ctx, session, "source", &ReceiverOptions{
SettlementMode: ReceiverSettleModeSecond.Ptr(),
}, receiverTestHooks{MuxSelect: muxSem.OnLoop})
cancel()
require.NoError(t, err)
ctx, cancel = context.WithTimeout(context.Background(), time.Second)
msg, err := r.Receive(ctx, nil)
cancel()
require.NoError(t, err)
muxSem.Wait()
if c := r.countUnsettled(); c != 1 {
t.Fatalf("unexpected unsettled count %d", c)
}
// link credit must be zero since we only started with 1
if c := r.l.linkCredit; c != 0 {
t.Fatalf("unexpected link credit %d", c)
}
muxSem.Release(2)
ctx, cancel = context.WithTimeout(context.Background(), time.Second)
err = r.RejectMessage(ctx, msg, nil)
cancel()
require.NoError(t, err)
muxSem.Wait()
if c := r.countUnsettled(); c != 0 {
t.Fatalf("unexpected unsettled count %d", c)
}
// link credit should be back to 1
if c := r.l.linkCredit; c != 1 {
t.Fatalf("unexpected link credit %d", c)
}
muxSem.Release(-1)
require.NoError(t, client.Close())
}
func TestReceiveSuccessReceiverSettleModeSecondRelease(t *testing.T) {
muxSem := test.NewMuxSemaphore(2)
const linkHandle = 0
deliveryID := uint32(1)
responder := func(remoteChannel uint16, req frames.FrameBody) (fake.Response, error) {
resp, err := receiverFrameHandler(0, ReceiverSettleModeSecond)(remoteChannel, req)
if resp.Payload != nil || err != nil {
return resp, err
}
switch ff := req.(type) {
case *frames.PerformFlow:
if *ff.NextIncomingID == deliveryID {
// this is the first flow frame, send our payload
return newResponse(fake.PerformTransfer(0, linkHandle, deliveryID, []byte("hello")))
}
// ignore future flow frames as we have no response
return fake.Response{}, nil
case *frames.PerformDisposition:
if _, ok := ff.State.(*encoding.StateReleased); !ok {
return fake.Response{}, fmt.Errorf("unexpected State %T", ff.State)
}
return newResponse(fake.PerformDisposition(encoding.RoleSender, 0, deliveryID, nil, &encoding.StateReleased{}))
default:
return fake.Response{}, fmt.Errorf("unhandled frame %T", req)
}
}
conn := fake.NewNetConn(responder, fake.NetConnOptions{})
ctx, cancel := context.WithTimeout(context.Background(), 1*time.Second)
client, err := NewConn(ctx, conn, nil)
cancel()
require.NoError(t, err)
ctx, cancel = context.WithTimeout(context.Background(), 1*time.Second)
session, err := client.NewSession(ctx, nil)
cancel()
require.NoError(t, err)
ctx, cancel = context.WithTimeout(context.Background(), 1*time.Second)
r, err := newReceiverForSession(ctx, session, "source", &ReceiverOptions{
SettlementMode: ReceiverSettleModeSecond.Ptr(),
}, receiverTestHooks{MuxSelect: muxSem.OnLoop})
cancel()
require.NoError(t, err)
ctx, cancel = context.WithTimeout(context.Background(), time.Second)
msg, err := r.Receive(ctx, nil)
cancel()
require.NoError(t, err)
muxSem.Wait()
if c := r.countUnsettled(); c != 1 {
t.Fatalf("unexpected unsettled count %d", c)
}
// link credit must be zero since we only started with 1
if c := r.l.linkCredit; c != 0 {
t.Fatalf("unexpected link credit %d", c)
}
muxSem.Release(2)
ctx, cancel = context.WithTimeout(context.Background(), time.Second)
err = r.ReleaseMessage(ctx, msg)
cancel()
require.NoError(t, err)
muxSem.Wait()
if c := r.countUnsettled(); c != 0 {
t.Fatalf("unexpected unsettled count %d", c)
}
// link credit should be back to 1
if c := r.l.linkCredit; c != 1 {
t.Fatalf("unexpected link credit %d", c)
}
muxSem.Release(-1)
require.NoError(t, client.Close())
}
func TestReceiveSuccessReceiverSettleModeSecondModify(t *testing.T) {
muxSem := test.NewMuxSemaphore(2)
const linkHandle = 0
deliveryID := uint32(1)
responder := func(remoteChannel uint16, req frames.FrameBody) (fake.Response, error) {
resp, err := receiverFrameHandler(0, ReceiverSettleModeSecond)(remoteChannel, req)
if resp.Payload != nil || err != nil {
return resp, err
}
switch ff := req.(type) {
case *frames.PerformFlow:
if *ff.NextIncomingID == deliveryID {
// this is the first flow frame, send our payload
return newResponse(fake.PerformTransfer(0, linkHandle, deliveryID, []byte("hello")))
}
// ignore future flow frames as we have no response
return fake.Response{}, nil
case *frames.PerformDisposition:
var mod *encoding.StateModified
var ok bool
if mod, ok = ff.State.(*encoding.StateModified); !ok {
return fake.Response{}, fmt.Errorf("unexpected State %T", ff.State)
}
if v := mod.MessageAnnotations["some"]; v != "value" {
return fake.Response{}, fmt.Errorf("unexpected annotation value %v", v)
}
return newResponse(fake.PerformDisposition(encoding.RoleSender, 0, deliveryID, nil, &encoding.StateModified{}))
default:
return fake.Response{}, fmt.Errorf("unhandled frame %T", req)
}
}
conn := fake.NewNetConn(responder, fake.NetConnOptions{})
ctx, cancel := context.WithTimeout(context.Background(), 1*time.Second)
client, err := NewConn(ctx, conn, nil)
cancel()
require.NoError(t, err)
ctx, cancel = context.WithTimeout(context.Background(), 1*time.Second)
session, err := client.NewSession(ctx, nil)
cancel()
require.NoError(t, err)
ctx, cancel = context.WithTimeout(context.Background(), 1*time.Second)
r, err := newReceiverForSession(ctx, session, "source", &ReceiverOptions{
SettlementMode: ReceiverSettleModeSecond.Ptr(),
}, receiverTestHooks{MuxSelect: muxSem.OnLoop})
cancel()
require.NoError(t, err)
ctx, cancel = context.WithTimeout(context.Background(), time.Second)
msg, err := r.Receive(ctx, nil)
cancel()
require.NoError(t, err)
muxSem.Wait()
if c := r.countUnsettled(); c != 1 {
t.Fatalf("unexpected unsettled count %d", c)
}
// link credit must be zero since we only started with 1
if c := r.l.linkCredit; c != 0 {
t.Fatalf("unexpected link credit %d", c)
}
muxSem.Release(2)
ctx, cancel = context.WithTimeout(context.Background(), time.Second)
err = r.ModifyMessage(ctx, msg, &ModifyMessageOptions{
UndeliverableHere: true,
Annotations: Annotations{
"some": "value",
},
})
cancel()
require.NoError(t, err)
muxSem.Wait()
if c := r.countUnsettled(); c != 0 {
t.Fatalf("unexpected unsettled count %d", c)
}
// link credit should be back to 1
if c := r.l.linkCredit; c != 1 {
t.Fatalf("unexpected link credit %d", c)
}
muxSem.Release(-1)
require.NoError(t, client.Close())
}
func TestReceiverPrefetch(t *testing.T) {
conn := fake.NewNetConn(receiverFrameHandlerNoUnhandled(0, ReceiverSettleModeFirst), fake.NetConnOptions{
ChunkSize: 8,
})
ctx, cancel := context.WithTimeout(context.Background(), 1*time.Second)
client, err := NewConn(ctx, conn, nil)
cancel()
require.NoError(t, err)
ctx, cancel = context.WithTimeout(context.Background(), 1*time.Second)
session, err := client.NewSession(ctx, nil)
cancel()
require.NoError(t, err)
ctx, cancel = context.WithTimeout(context.Background(), 1*time.Second)
r, err := session.NewReceiver(ctx, "source", nil)
cancel()
require.NoError(t, err)
msg := r.Prefetched()
require.Nil(t, msg)
// now send a transfer
b, err := fake.PerformTransfer(0, 0, 1, []byte("message 1"))
require.NoError(t, err)
conn.SendFrame(b)
// wait for the transfer to "arrive"
time.Sleep(time.Second)
msg = r.Prefetched()
require.NotNil(t, msg)
msg = r.Prefetched()
require.Nil(t, msg)
require.NoError(t, client.Close())
}
func TestReceiveMultiFrameMessageSuccess(t *testing.T) {
muxSem := test.NewMuxSemaphore(4)
const linkHandle = 0
deliveryID := uint32(1)
responder := func(remoteChannel uint16, req frames.FrameBody) (fake.Response, error) {
resp, err := receiverFrameHandler(0, ReceiverSettleModeSecond)(remoteChannel, req)
if resp.Payload != nil || err != nil {
return resp, err
}
switch ff := req.(type) {
case *frames.PerformFlow, *fake.KeepAlive:
return fake.Response{}, nil
case *frames.PerformDisposition:
if _, ok := ff.State.(*encoding.StateAccepted); !ok {
return fake.Response{}, fmt.Errorf("unexpected State %T", ff.State)
}
return newResponse(fake.PerformDisposition(encoding.RoleSender, 0, deliveryID, nil, &encoding.StateAccepted{}))
default:
return fake.Response{}, fmt.Errorf("unhandled frame %T", req)
}
}
conn := fake.NewNetConn(responder, fake.NetConnOptions{
ChunkSize: 8,
})
ctx, cancel := context.WithTimeout(context.Background(), 1*time.Second)
client, err := NewConn(ctx, conn, nil)
cancel()
require.NoError(t, err)
ctx, cancel = context.WithTimeout(context.Background(), 1*time.Second)
session, err := client.NewSession(ctx, nil)
cancel()
require.NoError(t, err)
ctx, cancel = context.WithTimeout(context.Background(), 1*time.Second)
r, err := newReceiverForSession(ctx, session, "source", &ReceiverOptions{
SettlementMode: ReceiverSettleModeSecond.Ptr(),
}, receiverTestHooks{MuxSelect: muxSem.OnLoop})
cancel()
require.NoError(t, err)
msgChan := make(chan *Message)
errChan := make(chan error)
go func() {
msg, err := r.Receive(context.Background(), nil)
msgChan <- msg
errChan <- err
}()
// send multi-frame message
payload := []byte("this should be split into three frames for a multi-frame transfer message")
require.NoError(t, conn.SendMultiFrameTransfer(0, linkHandle, deliveryID, payload, nil))
msg := <-msgChan
require.NoError(t, <-errChan)
// validate message content
result := []byte{}
for i := range msg.Data {
result = append(result, msg.Data[i]...)
}
require.Equal(t, payload, result)
muxSem.Wait()
if c := r.countUnsettled(); c != 1 {
t.Fatalf("unexpected unsettled count %d", c)
}
// link credit must be zero since we only started with 1
if c := r.l.linkCredit; c != 0 {
t.Fatalf("unexpected link credit %d", c)
}
muxSem.Release(2)
ctx, cancel = context.WithTimeout(context.Background(), time.Second)
err = r.AcceptMessage(ctx, msg)
cancel()
require.NoError(t, err)
muxSem.Wait()
if c := r.countUnsettled(); c != 0 {
t.Fatalf("unexpected unsettled count %d", c)
}
require.Equal(t, true, msg.settled)
// link credit should be back to 1
if c := r.l.linkCredit; c != 1 {
t.Fatalf("unexpected link credit %d", c)
}
muxSem.Release(-1)
require.NoError(t, client.Close())