Corresponding changes for multi pubsub (#434)

* Corresponding changes for multi pubsub

* Fix quote

pubsub/envelope.go

@@ -32,10 +32,11 @@ type CloudEventsEnvelope struct {
 	Data            interface{} `json:"data"`
 	Subject         string      `json:"subject"`
 	Topic           string      `json:"topic"`
+	PubsubName      string      `json:"pubsubname"`
 }
 
 // NewCloudEventsEnvelope returns CloudEventsEnvelope from data or a new one when data content was not
-func NewCloudEventsEnvelope(id, source, eventType, subject string, topic string, data []byte) *CloudEventsEnvelope {
+func NewCloudEventsEnvelope(id, source, eventType, subject string, topic string, pubsubName string, data []byte) *CloudEventsEnvelope {
 	// defaults
 	if id == "" {
 		id = uuid.New().String()
@@ -63,6 +64,7 @@ func NewCloudEventsEnvelope(id, source, eventType, subject string, topic string,
 			Type:            eventType,
 			Subject:         subject,
 			Topic:           topic,
+			PubsubName:      pubsubName,
 			Data:            string(data),
 		}
 	}
@@ -79,6 +81,7 @@ func NewCloudEventsEnvelope(id, source, eventType, subject string, topic string,
 				Type:            getStrVal(m, "type"),
 				Subject:         getStrVal(m, "subject"),
 				Topic:           topic,
+				PubsubName:      pubsubName,
 				Data:            m["data"],
 			}
 			// check if CE is valid
@@ -97,6 +100,7 @@ func NewCloudEventsEnvelope(id, source, eventType, subject string, topic string,
 		Type:            eventType,
 		Subject:         subject,
 		Topic:           topic,
+		PubsubName:      pubsubName,
 		Data:            j,
 	}
 }

pubsub/envelope_test.go

@@ -14,7 +14,7 @@ import (
 )
 
 func TestCreateCloudEventsEnvelope(t *testing.T) {
-	envelope := NewCloudEventsEnvelope("a", "source", "eventType", "", "", nil)
+	envelope := NewCloudEventsEnvelope("a", "source", "eventType", "", "", "", nil)
 	assert.NotNil(t, envelope)
 }
 
@@ -32,11 +32,12 @@ func TestEnvelopeUsingExistingCloudEvents(t *testing.T) {
 			"datacontenttype" : "text/xml",
 			"data" : "<much wow=\"xml\"/>"
 		}`
-		envelope := NewCloudEventsEnvelope("a", "", "", "", "routed.topic", []byte(str))
+		envelope := NewCloudEventsEnvelope("a", "", "", "", "routed.topic", "mypubsub", []byte(str))
 		assert.Equal(t, "A234-1234-1234", envelope.ID)
 		assert.Equal(t, "text/xml", envelope.DataContentType)
 		assert.Equal(t, "1.0", envelope.SpecVersion)
 		assert.Equal(t, "routed.topic", envelope.Topic)
+		assert.Equal(t, "mypubsub", envelope.PubsubName)
 	})
 }
 
@@ -50,7 +51,7 @@ func TestCreateFromJSON(t *testing.T) {
 			1,
 		}
 		data, _ := json.Marshal(obj1)
-		envelope := NewCloudEventsEnvelope("a", "source", "", "", "", data)
+		envelope := NewCloudEventsEnvelope("a", "source", "", "", "", "mypubsub", data)
 		t.Logf("data: %v", envelope.Data)
 		assert.Equal(t, "application/json", envelope.DataContentType)
 
@@ -67,31 +68,31 @@ func TestCreateFromJSON(t *testing.T) {
 
 func TestCreateCloudEventsEnvelopeDefaults(t *testing.T) {
 	t.Run("default event type", func(t *testing.T) {
-		envelope := NewCloudEventsEnvelope("a", "source", "", "", "", nil)
+		envelope := NewCloudEventsEnvelope("a", "source", "", "", "", "mypubsub", nil)
 		assert.Equal(t, DefaultCloudEventType, envelope.Type)
 	})
 
 	t.Run("non-default event type", func(t *testing.T) {
-		envelope := NewCloudEventsEnvelope("a", "source", "e1", "", "", nil)
+		envelope := NewCloudEventsEnvelope("a", "source", "e1", "", "", "mypubsub", nil)
 		assert.Equal(t, "e1", envelope.Type)
 	})
 
 	t.Run("spec version", func(t *testing.T) {
-		envelope := NewCloudEventsEnvelope("a", "source", "", "", "", nil)
+		envelope := NewCloudEventsEnvelope("a", "source", "", "", "", "mypubsub", nil)
 		assert.Equal(t, CloudEventsSpecVersion, envelope.SpecVersion)
 	})
 
 	t.Run("quoted data", func(t *testing.T) {
 		list := []string{"v1", "v2", "v3"}
 		data := strings.Join(list, ",")
-		envelope := NewCloudEventsEnvelope("a", "source", "", "", "", []byte(data))
+		envelope := NewCloudEventsEnvelope("a", "source", "", "", "", "mypubsub", []byte(data))
 		t.Logf("data: %v", envelope.Data)
 		assert.Equal(t, "text/plain", envelope.DataContentType)
 		assert.Equal(t, data, envelope.Data.(string))
 	})
 
 	t.Run("string data content type", func(t *testing.T) {
-		envelope := NewCloudEventsEnvelope("a", "source", "", "", "", []byte("data"))
+		envelope := NewCloudEventsEnvelope("a", "source", "", "", "", "mypubsub", []byte("data"))
 		assert.Equal(t, "text/plain", envelope.DataContentType)
 	})
 }

pubsub/requests.go

@@ -7,8 +7,9 @@ package pubsub
 
 // PublishRequest is the request to publish a message
 type PublishRequest struct {
-	Data  []byte `json:"data"`
+	Data       []byte `json:"data"`
-	Topic string `json:"topic"`
+	PubsubName string `json:"pubsubname"`
+	Topic      string `json:"topic"`
 }
 
 // SubscribeRequest is the request to subscribe to a topic