fixes #106

batch_disposition.go

@@ -79,4 +79,4 @@ func (m *Message) sendDisposition(ctx context.Context, dispositionStatus Message
 		err = fmt.Errorf("unsupported bulk disposition status %q", dispositionStatus)
 	}
 	return err
-}
+}

batch_disposition_test.go

@@ -33,7 +33,7 @@ func TestBatchDispositionIterator(t *testing.T) {
 
 func TestBatchDispositionUnsupportedStatus(t *testing.T) {
 	status := MessageStatus(suspendedDisposition)
-	id := uuid.UUID{}	
+	id := uuid.UUID{}
 	bdi := BatchDispositionIterator{
 		LockTokenIDs: []*uuid.UUID{
 			&id,

errors.go

@@ -29,6 +29,11 @@ type (
 	// ErrNoMessages is returned when an operation returned no messages. It is not indicative that there will not be
 	// more messages in the future.
 	ErrNoMessages struct{}
+
+	// ErrNotFound is returned when an entity is not found (404)
+	ErrNotFound struct{
+		EntityPath string
+	}
 )
 
 func (e ErrMissingField) Error() string {
@@ -64,3 +69,13 @@ func (e ErrAMQP) Error() string {
 func (e ErrNoMessages) Error() string {
 	return "no messages available"
 }
+
+func (e ErrNotFound) Error() string {
+	return fmt.Sprintf("entity at %s not found", e.EntityPath)
+}
+
+// IsErrNotFound returns true if the error argument is an ErrNotFound type
+func IsErrNotFound(err error) bool {
+	_, ok := err.(ErrNotFound)
+	return ok
+}

errors_test.go

@@ -1,9 +1,12 @@
 package servicebus
 
 import (
+	"errors"
 	"fmt"
 	"reflect"
 	"testing"
+
+	"github.com/stretchr/testify/assert"
 )
 
 func TestErrMissingField_Error(t *testing.T) {
@@ -57,3 +60,12 @@ func TestErrIncorrectType_Error(t *testing.T) {
 		})
 	}
 }
+
+func TestErrNotFound_Error(t *testing.T) {
+	err := ErrNotFound{EntityPath: "/foo/bar"}
+	assert.Equal(t, "entity at /foo/bar not found", err.Error())
+	assert.True(t, IsErrNotFound(err))
+
+	otherErr := errors.New("foo")
+	assert.False(t, IsErrNotFound(otherErr))
+}

go.mod

@@ -15,5 +15,6 @@ require (
 	github.com/uber/jaeger-lib v1.5.0 // indirect
 	go.opencensus.io v0.15.0
 	go.uber.org/atomic v1.3.2 // indirect
+	golang.org/x/net v0.0.0-20190311183353-d8887717615a // indirect
 	pack.ag/amqp v0.10.2
 )

go.sum

@@ -40,11 +40,14 @@ go.opencensus.io v0.15.0/go.mod h1:UffZAU+4sDEINUGP/B7UfBBkq4fqLu9zXAX7ke6CHW0=
 go.uber.org/atomic v1.3.2 h1:2Oa65PReHzfn29GpvgsYwloV9AVFHPDk8tYxt2c2tr4=
 go.uber.org/atomic v1.3.2/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE=
 golang.org/x/crypto v0.0.0-20181001203147-e3636079e1a4/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
+golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/net v0.0.0-20181023162649-9b4f9f5ad519 h1:x6rhz8Y9CjbgQkccRGmELH6K+LJj7tOoh3XWeC1yaQM=
 golang.org/x/net v0.0.0-20181023162649-9b4f9f5ad519/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
+golang.org/x/net v0.0.0-20190311183353-d8887717615a h1:oWX7TPOiFAMXLq8o0ikBYfCJVlRHBcsciT5bXOrH628=
+golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
+golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 pack.ag/amqp v0.8.0 h1:JT0f88Hsbo5D+s8bBdleDOHvMDoYcaBW6GplAUqtxC4=
 pack.ag/amqp v0.8.0/go.mod h1:4/cbmt4EJXSKlG6LCfWHoqmN0uFdy5i/+YFz+fTfhV4=
-pack.ag/amqp v0.10.1 h1:+NUHSIOCRt62A7+RXL/kPOlEeljIdrpte1HNgdhIn8w=
-pack.ag/amqp v0.10.1/go.mod h1:4/cbmt4EJXSKlG6LCfWHoqmN0uFdy5i/+YFz+fTfhV4=
 pack.ag/amqp v0.10.2 h1:tOg29Eqx2kmgcDJa7OAjH9N3jqGA1gHf5iIAnBMsa5U=
 pack.ag/amqp v0.10.2/go.mod h1:4/cbmt4EJXSKlG6LCfWHoqmN0uFdy5i/+YFz+fTfhV4=

namespace_useragent_test.go

@@ -28,6 +28,7 @@ import (
 
 	"github.com/stretchr/testify/assert"
 )
+
 func TestNamespaceWithUserAgentOption(t *testing.T) {
 	userAgent := "custom-user-agent"
 	nsUserAgentOption := NamespaceWithUserAgent(userAgent)
@@ -42,4 +43,4 @@ func TestNamespaceWithoutUserAgentOption(t *testing.T) {
 	ns, err := NewNamespace(nsUserAgentOption)
 	assert.Nil(t, err)
 	assert.Equal(t, rootUserAgent, ns.getUserAgent())
-}
+}

queue.go

@@ -640,22 +640,34 @@ func (q *Queue) Close(ctx context.Context) error {
 	if q.receiver != nil {
 		if err := q.receiver.Close(ctx); err != nil {
 			if q.sender != nil {
-				if err := q.sender.Close(ctx); err != nil {
+				if err := q.sender.Close(ctx); err != nil && !isConnectionClosed(err) {
 					log.For(ctx).Error(err)
 				}
 			}
-			log.For(ctx).Error(err)
-			return err
+
+			if !isConnectionClosed(err) {
+				log.For(ctx).Error(err)
+				return err
+			}
+
+			return nil
 		}
 	}
 
 	if q.sender != nil {
-		return q.sender.Close(ctx)
+		err := q.sender.Close(ctx)
+		if err != nil && !isConnectionClosed(err) {
+			return err
+		}
 	}
 
 	return nil
 }
 
+func isConnectionClosed(err error) bool {
+	return err.Error() == "amqp: connection closed"
+}
+
 func (q *Queue) newReceiver(ctx context.Context, opts ...ReceiverOption) (*Receiver, error) {
 	span, ctx := q.startSpanFromContext(ctx, "sb.Queue.NewReceiver")
 	defer span.Finish()

queue_manager.go

@@ -345,7 +345,7 @@ func (qm *QueueManager) Get(ctx context.Context, name string) (*QueueEntity, err
 	}
 
 	if res.StatusCode == http.StatusNotFound {
-		return nil, nil
+		return nil, ErrNotFound{EntityPath: res.Request.URL.Path}
 	}
 
 	b, err := ioutil.ReadAll(res.Body)
@@ -358,7 +358,7 @@ func (qm *QueueManager) Get(ctx context.Context, name string) (*QueueEntity, err
 	err = xml.Unmarshal(b, &entry)
 	if err != nil {
 		if isEmptyFeed(b) {
-			return nil, nil
+			return nil, ErrNotFound{EntityPath: res.Request.URL.Path}
 		}
 		return nil, formatManagementError(b)
 	}

queue_test.go

@@ -221,7 +221,17 @@ func (suite *serviceBusSuite) TestQueueUnmarshal() {
 	suite.EqualValues(servicebus.EntityStatusActive, *q.Status)
 }
 
-func (suite *serviceBusSuite) TestQueueManagementWrites() {
+func (suite *serviceBusSuite) TestQueueManager_NotFound() {
+	ns := suite.getNewSasInstance()
+	qm := ns.NewQueueManager()
+	entity, err := qm.Get(context.Background(), "somethingNotThere")
+	suite.Nil(entity)
+	suite.Require().NotNil(err)
+	suite.True(IsErrNotFound(err))
+	suite.Equal("entity at /somethingNotThere not found", err.Error())
+}
+
+func (suite *serviceBusSuite) TestQueueManagement_Writes() {
 	tests := map[string]func(context.Context, *testing.T, *QueueManager, string){
 		"TestPutDefaultQueue": testPutQueue,
 	}
@@ -771,7 +781,7 @@ func (suite *serviceBusSuite) queueMessageTest(
 func makeQueue(ctx context.Context, t *testing.T, ns *Namespace, name string, opts ...QueueManagementOption) func() {
 	qm := ns.NewQueueManager()
 	entity, err := qm.Get(ctx, name)
-	if !assert.NoError(t, err) {
+	if err != nil && !IsErrNotFound(err) {
 		assert.FailNow(t, "could not GET a queue entity")
 	}
 

subscription.go

@@ -273,7 +273,11 @@ func (s *Subscription) RenewLocks(ctx context.Context, messages ...*Message) err
 // Close the underlying connection to Service Bus
 func (s *Subscription) Close(ctx context.Context) error {
 	if s.receiver != nil {
-		return s.receiver.Close(ctx)
+		err := s.receiver.Close(ctx)
+		if err != nil && !isConnectionClosed(err) {
+			log.For(ctx).Error(err)
+			return err
+		}
 	}
 	return nil
 }

subscription_manager.go

@@ -281,7 +281,7 @@ func (sm *SubscriptionManager) Get(ctx context.Context, name string) (*Subscript
 	}
 
 	if res.StatusCode == http.StatusNotFound {
-		return nil, nil
+		return nil, ErrNotFound{EntityPath: res.Request.URL.Path}
 	}
 
 	b, err := ioutil.ReadAll(res.Body)
@@ -293,7 +293,9 @@ func (sm *SubscriptionManager) Get(ctx context.Context, name string) (*Subscript
 	err = xml.Unmarshal(b, &entry)
 	if err != nil {
 		if isEmptyFeed(b) {
-			return nil, nil
+			// seems the only way to catch 404 is if the feed is empty. If no subscriptions exist, the GET returns 200
+			// and an empty feed.
+			return nil, ErrNotFound{EntityPath: res.Request.URL.Path}
 		}
 		return nil, formatManagementError(b)
 	}
@@ -315,7 +317,7 @@ func (sm *SubscriptionManager) ListRules(ctx context.Context, subscriptionName s
 	}
 
 	if res.StatusCode == http.StatusNotFound {
-		return nil, nil
+		return nil, ErrNotFound{EntityPath: res.Request.URL.Path}
 	}
 
 	b, err := ioutil.ReadAll(res.Body)

subscription_test.go

@@ -95,7 +95,7 @@ const (
 	</entry>`
 )
 
-func (suite *serviceBusSuite) TestSubscriptionRuleEntryUnmarshal() {
+func (suite *serviceBusSuite) TestSubscriptionRuleEntry_Unmarshal() {
 	var entry ruleEntry
 	err := xml.Unmarshal([]byte(ruleEntryContent), &entry)
 	suite.NoError(err)
@@ -108,7 +108,7 @@ func (suite *serviceBusSuite) TestSubscriptionRuleEntryUnmarshal() {
 	suite.Equal("TrueFilter", entry.Content.RuleDescription.Filter.Type)
 }
 
-func (suite *serviceBusSuite) TestSubscriptionEntryUnmarshal() {
+func (suite *serviceBusSuite) TestSubscriptionEntry_Unmarshal() {
 	var entry subscriptionEntry
 	err := xml.Unmarshal([]byte(subscriptionEntryContent), &entry)
 	suite.NoError(err)
@@ -120,7 +120,7 @@ func (suite *serviceBusSuite) TestSubscriptionEntryUnmarshal() {
 	suite.Equal("PT1M", *entry.Content.SubscriptionDescription.LockDuration)
 }
 
-func (suite *serviceBusSuite) TestSubscriptionUnmarshal() {
+func (suite *serviceBusSuite) TestSubscriptionEntity_Unmarshal() {
 	var entry subscriptionEntry
 	err := xml.Unmarshal([]byte(subscriptionEntryContent), &entry)
 	suite.NoError(err)
@@ -135,7 +135,18 @@ func (suite *serviceBusSuite) TestSubscriptionUnmarshal() {
 	suite.EqualValues(servicebus.EntityStatusActive, *s.Status)
 }
 
-func (suite *serviceBusSuite) TestSubscriptionManagementWrites() {
+func (suite *serviceBusSuite) TestSubscriptionManager_NotFound() {
+	ns := suite.getNewSasInstance()
+	sm, err := ns.NewSubscriptionManager("foo")
+	suite.Require().NoError(err)
+	subEntity, err := sm.Get(context.Background(), "bar")
+	suite.Nil(subEntity)
+	suite.Require().NotNil(err)
+	suite.True(IsErrNotFound(err))
+	suite.Equal("entity at /foo/subscriptions/bar not found", err.Error())
+}
+
+func (suite *serviceBusSuite) TestSubscriptionManagement_Writes() {
 	tests := map[string]func(context.Context, *testing.T, *SubscriptionManager, string){
 		"TestPutDefaultSubscription": testPutSubscription,
 	}
@@ -629,7 +640,7 @@ func (suite *serviceBusSuite) subscriptionMessageTest(tests map[string]func(cont
 func makeSubscription(ctx context.Context, t *testing.T, topic *Topic, name string, opts ...SubscriptionManagementOption) func() {
 	sm := topic.NewSubscriptionManager()
 	entity, err := sm.Get(ctx, name)
-	if !assert.NoError(t, err) {
+	if assert.Error(t, err) && !IsErrNotFound(err) {
 		assert.FailNow(t, "could not GET a subscription")
 	}
 

topic.go

@@ -127,7 +127,11 @@ func (t *Topic) Close(ctx context.Context) error {
 	defer span.Finish()
 
 	if t.sender != nil {
-		return t.sender.Close(ctx)
+		err := t.sender.Close(ctx)
+		if err != nil && !isConnectionClosed(err) {
+			log.For(ctx).Error(err)
+			return err
+		}
 	}
 
 	return nil

topic_manager.go

@@ -167,7 +167,7 @@ func (tm *TopicManager) Get(ctx context.Context, name string) (*TopicEntity, err
 	}
 
 	if res.StatusCode == http.StatusNotFound {
-		return nil, nil
+		return nil, ErrNotFound{EntityPath: res.Request.URL.Path}
 	}
 
 	b, err := ioutil.ReadAll(res.Body)
@@ -180,7 +180,7 @@ func (tm *TopicManager) Get(ctx context.Context, name string) (*TopicEntity, err
 	err = xml.Unmarshal(b, &entry)
 	if err != nil {
 		if isEmptyFeed(b) {
-			return nil, nil
+			return nil, ErrNotFound{EntityPath: res.Request.URL.Path}
 		}
 		return nil, formatManagementError(b)
 	}

topic_test.go

@@ -76,7 +76,7 @@ const (
 		</entry>`
 )
 
-func (suite *serviceBusSuite) TestTopicEntryUnmarshal() {
+func (suite *serviceBusSuite) TestTopicEntry_Unmarshal() {
 	var entry topicEntry
 	err := xml.Unmarshal([]byte(topicEntry1), &entry)
 	suite.Nil(err)
@@ -88,7 +88,7 @@ func (suite *serviceBusSuite) TestTopicEntryUnmarshal() {
 	suite.NotNil(entry.Content)
 }
 
-func (suite *serviceBusSuite) TestTopicUnmarshal() {
+func (suite *serviceBusSuite) TestTopicEntryAndDescription_Unmarshal() {
 	var entry atom.Entry
 	err := xml.Unmarshal([]byte(topicEntry1), &entry)
 	suite.Nil(err)
@@ -107,7 +107,17 @@ func (suite *serviceBusSuite) TestTopicUnmarshal() {
 	suite.EqualValues(servicebus.EntityStatusActive, *td.Status)
 }
 
-func (suite *serviceBusSuite) TestTopicManagementWrites() {
+func (suite *serviceBusSuite) TestTopicManager_NotFound() {
+	ns := suite.getNewSasInstance()
+	tm := ns.NewTopicManager()
+	subEntity, err := tm.Get(context.Background(), "bar")
+	suite.Nil(subEntity)
+	suite.Require().NotNil(err)
+	suite.True(IsErrNotFound(err))
+	suite.Equal("entity at /bar not found", err.Error())
+}
+
+func (suite *serviceBusSuite) TestTopicManagement_Writes() {
 	tests := map[string]func(context.Context, *testing.T, *TopicManager, string){
 		"TestPutDefaultTopic": testPutTopic,
 	}
@@ -319,7 +329,7 @@ func testTopicSend(ctx context.Context, t *testing.T, topic *Topic) {
 func makeTopic(ctx context.Context, t *testing.T, ns *Namespace, name string, opts ...TopicManagementOption) func() {
 	tm := ns.NewTopicManager()
 	entity, err := tm.Get(ctx, name)
-	if !assert.NoError(t, err) {
+	if err != nil && !IsErrNotFound(err) {
 		assert.FailNow(t, "could not GET a subscription")
 	}