fix: Change Firebase RTDB event types (.ref instead of .document)

Author: jskeet

src/Google.Cloud.Functions.Framework.Tests/GcfEvents/GcfConvertersTest.cs

@@ -37,8 +37,8 @@ public class GcfConvertersTest
         [InlineData("firestore_simple.json", "google.cloud.firestore.document.v1.written", "//firestore.googleapis.com/projects/project-id/databases/(default)", "documents/gcf-test/2Vm2mI1d0wIaK2Waj5to")]
         [InlineData("pubsub_text.json", "google.cloud.pubsub.topic.v1.messagePublished", "//pubsub.googleapis.com/projects/sample-project/topics/gcf-test", null)]
         [InlineData("legacy_pubsub.json", "google.cloud.pubsub.topic.v1.messagePublished", "//pubsub.googleapis.com/projects/sample-project/topics/gcf-test", null)]
-        [InlineData("firebase-db1.json", "google.firebase.database.document.v1.written", "//firebasedatabase.googleapis.com/projects/_/locations/us-central1/instances/my-project-id", "refs/gcf-test/xyz")]
-        [InlineData("firebase-db2.json", "google.firebase.database.document.v1.written", "//firebasedatabase.googleapis.com/projects/_/locations/europe-west1/instances/my-project-id", "refs/gcf-test/xyz")]
+        [InlineData("firebase-db1.json", "google.firebase.database.ref.v1.written", "//firebasedatabase.googleapis.com/projects/_/locations/us-central1/instances/my-project-id", "refs/gcf-test/xyz")]
+        [InlineData("firebase-db2.json", "google.firebase.database.ref.v1.written", "//firebasedatabase.googleapis.com/projects/_/locations/europe-west1/instances/my-project-id", "refs/gcf-test/xyz")]
         [InlineData("firebase-auth1.json", "google.firebase.auth.user.v1.created", "//firebaseauth.googleapis.com/projects/my-project-id", "users/UUpby3s4spZre6kHsgVSPetzQ8l2")]
         [InlineData("firebase-auth2.json", "google.firebase.auth.user.v1.deleted", "//firebaseauth.googleapis.com/projects/my-project-id", "users/UUpby3s4spZre6kHsgVSPetzQ8l2")]
         [InlineData("firebase-remote-config.json", "google.firebase.remoteconfig.remoteConfig.v1.updated", "//firebaseremoteconfig.googleapis.com/projects/sample-project", null)]

src/Google.Cloud.Functions.Framework/GcfEvents/GcfConverters.cs

@@ -49,7 +49,7 @@ private static class EventTypes
             internal const string FirestoreDocumentDeleted = FirestoreDocumentV1 + ".deleted";
             internal const string FirestoreDocumentWritten = FirestoreDocumentV1 + ".written";
 
-            private const string FirebaseDatabaseDocumentV1 = "google.firebase.database.document.v1";
+            private const string FirebaseDatabaseDocumentV1 = "google.firebase.database.ref.v1";
             internal const string FirebaseDatabaseDocumentCreated = FirebaseDatabaseDocumentV1 + ".created";
             internal const string FirebaseDatabaseDocumentUpdated = FirebaseDatabaseDocumentV1 + ".updated";
             internal const string FirebaseDatabaseDocumentDeleted = FirebaseDatabaseDocumentV1 + ".deleted";