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sender_test.go
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sender_test.go
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package amqp
import (
"context"
"errors"
"fmt"
"reflect"
"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/assert"
"github.com/stretchr/testify/require"
)
func TestSenderInvalidOptions(t *testing.T) {
netConn := fake.NewNetConn(senderFrameHandlerNoUnhandled(0, SenderSettleModeUnsettled), 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)
snd, err := session.NewSender(ctx, "target", &SenderOptions{
SettlementMode: SenderSettleMode(3).Ptr(),
})
cancel()
require.Error(t, err)
require.Nil(t, snd)
}
func TestSenderMethodsNoSend(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:
require.Equal(t, DurabilityUnsettledState, tt.Source.Durable)
require.Equal(t, ExpiryPolicyNever, tt.Source.ExpiryPolicy)
require.Equal(t, uint32(300), tt.Source.Timeout)
return newResponse(fake.SenderAttach(0, tt.Name, 0, SenderSettleModeUnsettled))
case *frames.PerformDetach:
return newResponse(fake.PerformDetach(0, 0, 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)
const (
linkAddr = "addr1"
linkName = "test1"
)
ctx, cancel = context.WithTimeout(context.Background(), 1*time.Second)
snd, err := session.NewSender(ctx, linkAddr, &SenderOptions{
Name: linkName,
Durability: DurabilityUnsettledState,
ExpiryPolicy: ExpiryPolicyNever,
ExpiryTimeout: 300,
})
cancel()
require.NoError(t, err)
require.NotNil(t, snd)
require.Equal(t, linkAddr, snd.Address())
require.Equal(t, linkName, snd.LinkName())
ctx, cancel = context.WithTimeout(context.Background(), 100*time.Millisecond)
require.NoError(t, snd.Close(ctx))
cancel()
require.NoError(t, client.Close())
}
func TestSenderSendOnClosed(t *testing.T) {
netConn := fake.NewNetConn(senderFrameHandlerNoUnhandled(0, SenderSettleModeUnsettled), 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)
snd, err := session.NewSender(ctx, "target", nil)
cancel()
require.NoError(t, err)
require.NotNil(t, snd)
ctx, cancel = context.WithTimeout(context.Background(), 100*time.Millisecond)
require.NoError(t, snd.Close(ctx))
cancel()
// sending on a closed sender returns ErrLinkClosed
var linkErr *LinkError
require.ErrorAs(t, snd.Send(context.Background(), NewMessage([]byte("failed")), nil), &linkErr)
require.Equal(t, "amqp: link closed", linkErr.Error())
require.NoError(t, client.Close())
}
func TestSenderSendOnSessionClosed(t *testing.T) {
netConn := fake.NewNetConn(senderFrameHandlerNoUnhandled(0, SenderSettleModeUnsettled), 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)
snd, err := session.NewSender(ctx, "target", nil)
cancel()
require.NoError(t, err)
require.NotNil(t, snd)
ctx, cancel = context.WithTimeout(context.Background(), 100*time.Millisecond)
require.NoError(t, session.Close(ctx))
cancel()
// sending on a closed sender returns SessionError
var sessionErr *SessionError
err = snd.Send(context.Background(), NewMessage([]byte("failed")), nil)
require.ErrorAs(t, err, &sessionErr)
var amqpErr *Error
// there should be no inner error when closed on our side
require.False(t, errors.As(err, &amqpErr))
require.NoError(t, client.Close())
}
func TestSenderSendConcurrentSessionClosed(t *testing.T) {
muxSem := test.NewMuxSemaphore(0)
netConn := fake.NewNetConn(senderFrameHandlerNoUnhandled(0, SenderSettleModeUnsettled), 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)
snd, err := newSenderForSession(ctx, session, "target", nil, senderTestHooks{MuxTransfer: muxSem.OnLoop})
cancel()
require.NoError(t, err)
require.NotNil(t, snd)
sendInitialFlowFrame(t, 0, netConn, 0, 100)
sendErr := make(chan error)
go func() {
ctx, cancel = context.WithTimeout(context.Background(), 1*time.Second)
err := snd.Send(ctx, NewMessage([]byte("failed")), nil)
cancel()
sendErr <- err
}()
muxSem.Wait()
// transfer was handed off to the sender's mux and it's now paused
ctx, cancel = context.WithTimeout(context.Background(), 1*time.Second)
require.NoError(t, session.Close(ctx))
cancel()
// resume the sender's mux
muxSem.Release(-1)
select {
case err := <-sendErr:
var sessionErr *SessionError
require.ErrorAs(t, err, &sessionErr)
case <-time.After(1 * time.Second):
t.Fatal("timed out waiting for send error")
}
require.NoError(t, client.Close())
}
func TestSenderSendOnConnClosed(t *testing.T) {
netConn := fake.NewNetConn(senderFrameHandlerNoUnhandled(0, SenderSettleModeUnsettled), 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)
snd, err := session.NewSender(ctx, "target", nil)
cancel()
require.NoError(t, err)
require.NotNil(t, snd)
require.NoError(t, client.Close())
// sending on a closed sender returns a ConnectionError
err = snd.Send(context.Background(), NewMessage([]byte("failed")), nil)
var connErr *ConnError
if !errors.As(err, &connErr) {
t.Fatalf("unexpected error type %T", err)
}
require.NoError(t, client.Close())
}
func TestSenderSendOnDetached(t *testing.T) {
netConn := fake.NewNetConn(senderFrameHandlerNoUnhandled(0, SenderSettleModeUnsettled), 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)
snd, err := session.NewSender(ctx, "target", nil)
cancel()
require.NoError(t, err)
require.NotNil(t, snd)
// 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)
netConn.SendFrame(b)
// sending on a detached link returns a LinkError
err = snd.Send(context.Background(), NewMessage([]byte("failed")), nil)
var linkErr *LinkError
require.ErrorAs(t, err, &linkErr)
require.Equal(t, ErrCond(errcon), linkErr.RemoteErr.Condition)
require.Equal(t, errdesc, linkErr.RemoteErr.Description)
require.NoError(t, client.Close())
}
func TestSenderCloseTimeout(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.SenderAttach(0, tt.Name, tt.Handle, SenderSettleModeUnsettled))
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.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)
snd, err := session.NewSender(ctx, "target", nil)
cancel()
require.NoError(t, err)
ctx, cancel = context.WithTimeout(context.Background(), 100*time.Millisecond)
err = snd.Close(ctx)
cancel()
require.ErrorIs(t, err, context.DeadlineExceeded)
ctx, cancel = context.WithTimeout(context.Background(), 100*time.Millisecond)
err = snd.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 TestSenderAttachError(t *testing.T) {
detachAck := make(chan bool, 1)
var enqueueFrames func(string)
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:
enqueueFrames(tt.Name)
return fake.Response{}, nil
case *frames.PerformDetach:
// we don't need to respond to the ack
detachAck <- true
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)
const (
errcon = "cantattach"
errdesc = "server side error"
)
enqueueFrames = func(n string) {
// send an invalid attach response
b, err := fake.EncodeFrame(frames.TypeAMQP, 0, &frames.PerformAttach{
Name: n,
Role: encoding.RoleReceiver,
})
require.NoError(t, err)
netConn.SendFrame(b)
// now follow up with a detach frame
b, err = fake.EncodeFrame(frames.TypeAMQP, 0, &frames.PerformDetach{
Error: &encoding.Error{
Condition: errcon,
Description: errdesc,
},
})
require.NoError(t, err)
netConn.SendFrame(b)
}
ctx, cancel = context.WithTimeout(context.Background(), 1*time.Second)
snd, err := session.NewSender(ctx, "target", nil)
cancel()
var de *Error
if !errors.As(err, &de) {
t.Fatalf("unexpected error type %T", err)
}
require.Equal(t, ErrCond(errcon), de.Condition)
require.Equal(t, errdesc, de.Description)
require.Nil(t, snd)
require.Equal(t, true, <-detachAck)
require.NoError(t, client.Close())
}
func TestSenderSendMismatchedModes(t *testing.T) {
netConn := fake.NewNetConn(senderFrameHandlerNoUnhandled(0, SenderSettleModeUnsettled), 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)
snd, err := session.NewSender(ctx, "target", &SenderOptions{
SettlementMode: SenderSettleModeSettled.Ptr(),
})
cancel()
require.Error(t, err)
require.Equal(t, "amqp: sender settlement mode \"settled\" requested, received \"unsettled\" from server", err.Error())
require.Nil(t, snd)
require.NoError(t, client.Close())
}
func TestSenderSendSuccess(t *testing.T) {
responder := func(remoteChannel uint16, req frames.FrameBody) (fake.Response, error) {
resp, err := senderFrameHandler(0, SenderSettleModeUnsettled)(remoteChannel, req)
if err != nil || resp.Payload != nil {
return resp, err
}
switch tt := req.(type) {
case *frames.PerformTransfer:
if tt.More {
return fake.Response{}, errors.New("didn't expect more to be true")
}
if tt.Settled {
return fake.Response{}, errors.New("didn't expect message to be settled")
}
if tt.MessageFormat == nil {
return fake.Response{}, errors.New("unexpected nil MessageFormat")
}
if !reflect.DeepEqual([]byte{0, 83, 117, 160, 4, 116, 101, 115, 116}, tt.Payload) {
return fake.Response{}, fmt.Errorf("unexpected payload %v", tt.Payload)
}
return newResponse(fake.PerformDisposition(encoding.RoleReceiver, 0, *tt.DeliveryID, nil, &encoding.StateAccepted{}))
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)
snd, err := session.NewSender(ctx, "target", nil)
cancel()
require.NoError(t, err)
sendInitialFlowFrame(t, 0, netConn, 0, 100)
ctx, cancel = context.WithTimeout(context.Background(), 100*time.Millisecond)
require.NoError(t, snd.Send(ctx, NewMessage([]byte("test")), nil))
cancel()
require.NoError(t, client.Close())
}
func TestSenderSendSettled(t *testing.T) {
responder := func(remoteChannel uint16, req frames.FrameBody) (fake.Response, error) {
resp, err := senderFrameHandler(0, SenderSettleModeSettled)(remoteChannel, req)
if err != nil || resp.Payload != nil {
return resp, err
}
switch tt := req.(type) {
case *frames.PerformTransfer:
if tt.More {
return fake.Response{}, errors.New("didn't expect more to be true")
}
if !tt.Settled {
return fake.Response{}, errors.New("expected message to be settled")
}
if !reflect.DeepEqual([]byte{0, 83, 117, 160, 4, 116, 101, 115, 116}, tt.Payload) {
return fake.Response{}, fmt.Errorf("unexpected payload %v", tt.Payload)
}
return fake.Response{}, 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)
snd, err := session.NewSender(ctx, "target", &SenderOptions{
SettlementMode: SenderSettleModeSettled.Ptr(),
})
cancel()
require.NoError(t, err)
sendInitialFlowFrame(t, 0, netConn, 0, 100)
ctx, cancel = context.WithTimeout(context.Background(), 100*time.Millisecond)
require.NoError(t, snd.Send(ctx, NewMessage([]byte("test")), nil))
cancel()
require.NoError(t, client.Close())
}
func TestSenderSendSettledModeMixed(t *testing.T) {
responder := func(remoteChannel uint16, req frames.FrameBody) (fake.Response, error) {
resp, err := senderFrameHandler(0, SenderSettleModeSettled)(remoteChannel, req)
if err != nil || resp.Payload != nil {
return resp, err
}
switch tt := req.(type) {
case *frames.PerformTransfer:
if tt.More {
return fake.Response{}, errors.New("didn't expect more to be true")
}
if !tt.Settled {
return fake.Response{}, errors.New("expected message to be settled")
}
if !reflect.DeepEqual([]byte{0, 83, 117, 160, 4, 116, 101, 115, 116}, tt.Payload) {
return fake.Response{}, fmt.Errorf("unexpected payload %v", tt.Payload)
}
return fake.Response{}, nil
default:
return fake.Response{}, fmt.Errorf("unhandled frame %T", req)
}
}
netConn := fake.NewNetConn(responder, fake.NetConnOptions{
ChunkSize: 8,
})
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)
snd, err := session.NewSender(ctx, "target", nil)
cancel()
require.NoError(t, err)
sendInitialFlowFrame(t, 0, netConn, 0, 100)
ctx, cancel = context.WithTimeout(context.Background(), 100*time.Millisecond)
require.NoError(t, snd.Send(ctx, NewMessage([]byte("test")), &SendOptions{Settled: true}))
cancel()
require.NoError(t, client.Close())
}
func TestSenderSendSettledError(t *testing.T) {
netConn := fake.NewNetConn(senderFrameHandlerNoUnhandled(0, SenderSettleModeUnsettled), 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)
snd, err := session.NewSender(ctx, "target", &SenderOptions{
SettlementMode: SenderSettleModeUnsettled.Ptr(),
})
cancel()
require.NoError(t, err)
sendInitialFlowFrame(t, 0, netConn, 0, 100)
ctx, cancel = context.WithTimeout(context.Background(), 100*time.Millisecond)
require.Error(t, snd.Send(ctx, NewMessage([]byte("test")), &SendOptions{Settled: true}))
cancel()
require.NoError(t, client.Close())
}
func TestSenderSendRejectedNoDetach(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.SenderAttach(0, tt.Name, 0, SenderSettleModeUnsettled))
case *frames.PerformTransfer:
// reject first delivery
if *tt.DeliveryID == 0 {
return newResponse(fake.PerformDisposition(encoding.RoleReceiver, 0, *tt.DeliveryID, nil, &encoding.StateRejected{
Error: &Error{
Condition: "rejected",
Description: "didn't like it",
},
}))
}
return newResponse(fake.PerformDisposition(encoding.RoleReceiver, 0, *tt.DeliveryID, nil, &encoding.StateAccepted{}))
case *frames.PerformDetach:
return newResponse(fake.PerformDetach(0, 0, 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)
snd, err := session.NewSender(ctx, "target", nil)
cancel()
require.NoError(t, err)
sendInitialFlowFrame(t, 0, netConn, 0, 100)
ctx, cancel = context.WithTimeout(context.Background(), 100*time.Millisecond)
err = snd.Send(ctx, NewMessage([]byte("test")), nil)
cancel()
var asErr *Error
if !errors.As(err, &asErr) {
t.Fatalf("unexpected error type %T", err)
}
require.Equal(t, ErrCond("rejected"), asErr.Condition)
// link should *not* be detached
ctx, cancel = context.WithTimeout(context.Background(), 100*time.Millisecond)
err = snd.Send(ctx, NewMessage([]byte("test")), nil)
cancel()
require.NoError(t, err)
require.NoError(t, client.Close())
}
func TestSenderSendDetached(t *testing.T) {
responder := func(remoteChannel uint16, req frames.FrameBody) (fake.Response, error) {
resp, err := senderFrameHandler(0, SenderSettleModeUnsettled)(remoteChannel, req)
if err != nil || resp.Payload != nil {
return resp, err
}
switch req.(type) {
case *frames.PerformTransfer:
return newResponse(fake.PerformDetach(0, 0, &Error{
Condition: "detached",
Description: "server exploded",
}))
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)
snd, err := session.NewSender(ctx, "target", nil)
cancel()
require.NoError(t, err)
sendInitialFlowFrame(t, 0, netConn, 0, 100)
ctx, cancel = context.WithTimeout(context.Background(), 100*time.Millisecond)
err = snd.Send(ctx, NewMessage([]byte("test")), nil)
cancel()
var linkErr *LinkError
require.ErrorAs(t, err, &linkErr)
require.NotNil(t, linkErr.RemoteErr)
require.Equal(t, ErrCond("detached"), linkErr.RemoteErr.Condition)
require.NoError(t, client.Close())
}
func TestSenderSendTimeout(t *testing.T) {
netConn := fake.NewNetConn(senderFrameHandlerNoUnhandled(0, SenderSettleModeUnsettled), 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)
snd, err := session.NewSender(ctx, "target", nil)
cancel()
require.NoError(t, err)
// no credits have been issued so the send will time out
ctx, cancel = context.WithTimeout(context.Background(), 10*time.Millisecond)
err = snd.Send(ctx, NewMessage([]byte("test")), nil)
cancel()
var amqpErr *Error
require.ErrorAs(t, err, &amqpErr)
require.EqualValues(t, ErrCondTransferLimitExceeded, amqpErr.Condition)
require.NoError(t, client.Close())
}
func TestSenderSendMsgTooBig(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:
mode := SenderSettleModeUnsettled
b, err := fake.EncodeFrame(frames.TypeAMQP, 0, &frames.PerformAttach{
Name: tt.Name,
Handle: 0,
Role: encoding.RoleReceiver,
Target: &frames.Target{
Address: "test",
Durable: encoding.DurabilityNone,
ExpiryPolicy: encoding.ExpirySessionEnd,
},
SenderSettleMode: &mode,
MaxMessageSize: 16, // really small messages only
})
if err != nil {
return fake.Response{}, err
}
return fake.Response{Payload: b}, nil
case *frames.PerformTransfer:
return newResponse(fake.PerformDisposition(encoding.RoleReceiver, 0, *tt.DeliveryID, nil, &encoding.StateAccepted{}))
case *frames.PerformDetach:
return newResponse(fake.PerformDetach(0, 0, 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)
snd, err := session.NewSender(ctx, "target", nil)
cancel()
require.NoError(t, err)
sendInitialFlowFrame(t, 0, netConn, 0, 100)
ctx, cancel = context.WithTimeout(context.Background(), 100*time.Millisecond)
defer cancel()
err = snd.Send(ctx, NewMessage([]byte("test message that's too big")), nil)
var amqpErr *Error
require.ErrorAs(t, err, &amqpErr)
require.Equal(t, Error{
Condition: ErrCondMessageSizeExceeded,
Description: "encoded message size exceeds max of 16",
}, *amqpErr)
ctx, cancel = context.WithTimeout(context.Background(), 100*time.Millisecond)
defer cancel()
err = snd.Send(ctx, &Message{
DeliveryTag: []byte("this delivery tag is way bigger than it can be so we'll just return a distinguish amqp.Error"),
}, nil)
cancel()
require.ErrorAs(t, err, &amqpErr)
require.Equal(t, Error{
Condition: ErrCondMessageSizeExceeded,
Description: "delivery tag is over the allowed 32 bytes, len: 92",
}, *amqpErr)
require.NoError(t, client.Close())
}
func TestSenderSendTagTooBig(t *testing.T) {
responder := func(remoteChannel uint16, req frames.FrameBody) (fake.Response, error) {
resp, err := senderFrameHandler(0, SenderSettleModeUnsettled)(remoteChannel, req)
if err != nil || resp.Payload != nil {
return resp, err
}
switch tt := req.(type) {
case *frames.PerformTransfer:
return newResponse(fake.PerformDisposition(encoding.RoleReceiver, 0, *tt.DeliveryID, nil, &encoding.StateAccepted{}))
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)
snd, err := session.NewSender(ctx, "target", nil)
cancel()
require.NoError(t, err)
sendInitialFlowFrame(t, 0, netConn, 0, 100)
ctx, cancel = context.WithTimeout(context.Background(), 100*time.Millisecond)
msg := NewMessage([]byte("test"))
// make the tag larger than max allowed of 32
msg.DeliveryTag = make([]byte, 33)
require.Error(t, snd.Send(ctx, msg, nil))
cancel()
require.NoError(t, client.Close())
}
func TestSenderSendMultiTransfer(t *testing.T) {
var deliveryID uint32
transferCount := 0
const maxReceiverFrameSize = 128
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:
b, err := fake.EncodeFrame(frames.TypeAMQP, 0, &frames.PerformOpen{
ChannelMax: 65535,
ContainerID: "container",
IdleTimeout: time.Minute,
MaxFrameSize: maxReceiverFrameSize, // really small max frame size
})
if err != nil {
return fake.Response{}, err
}
return fake.Response{Payload: b}, 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.SenderAttach(0, tt.Name, 0, SenderSettleModeUnsettled))
case *frames.PerformTransfer:
if tt.DeliveryID != nil {
// deliveryID is only sent on the first transfer frame for multi-frame transfers
if transferCount != 0 {
return fake.Response{}, fmt.Errorf("unexpected DeliveryID for frame number %d", transferCount)
}
deliveryID = *tt.DeliveryID
}
if tt.MessageFormat != nil && transferCount != 0 {
// MessageFormat is only sent on the first transfer frame for multi-frame transfers
return fake.Response{}, fmt.Errorf("unexpected MessageFormat for frame number %d", transferCount)
} else if tt.MessageFormat == nil && transferCount == 0 {
return fake.Response{}, errors.New("unexpected nil MessageFormat")
}
if tt.More {
transferCount++
return fake.Response{}, nil
}
return newResponse(fake.PerformDisposition(encoding.RoleReceiver, 0, deliveryID, nil, &encoding.StateAccepted{}))
case *frames.PerformDetach:
return newResponse(fake.PerformDetach(0, 0, 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{
ChunkSize: 8,
})
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)
snd, err := session.NewSender(ctx, "target", nil)
cancel()
require.NoError(t, err)
sendInitialFlowFrame(t, 0, netConn, 0, 100)
ctx, cancel = context.WithTimeout(context.Background(), 100*time.Millisecond)
payload := make([]byte, maxReceiverFrameSize*4)
for i := 0; i < maxReceiverFrameSize*4; i++ {
payload[i] = byte(i % 256)
}
require.NoError(t, snd.Send(ctx, NewMessage(payload), nil))
cancel()
// split up into 8 transfers due to transfer frame header size
require.Equal(t, 8, transferCount)
require.NoError(t, client.Close())
}
func TestSenderConnReaderError(t *testing.T) {
netConn := fake.NewNetConn(senderFrameHandlerNoUnhandled(0, SenderSettleModeUnsettled), 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)
snd, err := session.NewSender(ctx, "target", nil)
cancel()
require.NoError(t, err)
require.NotNil(t, snd)
go func() {
// trigger some kind of error
netConn.ReadErr <- errors.New("failed")
}()
err = snd.Send(context.Background(), NewMessage([]byte("failed")), nil)
var connErr *ConnError
if !errors.As(err, &connErr) {
t.Fatalf("unexpected error type %T", err)
}
err = client.Close()
if !errors.As(err, &connErr) {
t.Fatalf("unexpected error type %T", err)
}
}
func TestSenderConnWriterError(t *testing.T) {
netConn := fake.NewNetConn(senderFrameHandlerNoUnhandled(0, SenderSettleModeUnsettled), 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)
snd, err := session.NewSender(ctx, "target", nil)
cancel()
require.NoError(t, err)