Binary data binding (Azure#17728)

Fixes Azure#17473

Author: JoshLove-msft

sdk/eventhub/Microsoft.Azure.WebJobs.Extensions.EventHubs/src/Config/EventHubExtensionConfigProvider.cs

@@ -64,6 +64,8 @@ public void Initialize(ExtensionConfigContext context)
                 .AddConverter<EventData, string>(ConvertEventDataToString)
                 .AddConverter<byte[], EventData>(ConvertBytes2EventData)
                 .AddConverter<EventData, byte[]>(ConvertEventDataToBytes)
+                .AddConverter<BinaryData, EventData>(ConvertBinaryDataToEventData)
+                .AddConverter<EventData, BinaryData>(ConvertEventDataToBinaryData)
                 .AddOpenConverter<OpenType.Poco, EventData>(ConvertPocoToEventData);
 
             // register our trigger binding provider
@@ -114,5 +116,11 @@ private static Task<object> ConvertPocoToEventData(object arg, Attribute attrRes
         {
             return Task.FromResult<object>(ConvertStringToEventData(JsonConvert.SerializeObject(arg)));
         }
+
+        private static EventData ConvertBinaryDataToEventData(BinaryData input)
+            => new EventData(input);
+
+        private static BinaryData ConvertEventDataToBinaryData(EventData input)
+            => input.EventBody;
     }
 }

sdk/eventhub/Microsoft.Azure.WebJobs.Extensions.EventHubs/tests/EventHubEndToEndTests.cs

@@ -24,7 +24,7 @@ namespace Microsoft.Azure.WebJobs.Host.EndToEndTests
 {
     [NonParallelizable]
     [LiveOnly]
-    public class EventHubEndToEndTests: WebJobsEventHubTestBase
+    public class EventHubEndToEndTests : WebJobsEventHubTestBase
     {
         private static EventWaitHandle _eventWait;
         private static List<string> _results;
@@ -48,7 +48,7 @@ public async Task EventHub_PocoBinding()
             using (jobHost)
             {
                 var method = typeof(EventHubTestBindToPocoJobs).GetMethod(nameof(EventHubTestBindToPocoJobs.SendEvent_TestHub), BindingFlags.Static | BindingFlags.Public);
-                await jobHost.CallAsync(method, new { input = "{ Name: 'foo', Value: '" + _testId +"' }" });
+                await jobHost.CallAsync(method, new { input = "{ Name: 'foo', Value: '" + _testId + "' }" });
 
                 bool result = _eventWait.WaitOne(Timeout);
                 Assert.True(result);
@@ -90,6 +90,26 @@ public async Task EventHub_SingleDispatch()
                 Assert.True(result);
             }
 
+            AssertSingleDispatchLogs(host);
+        }
+
+        [Test]
+        public async Task EventHub_SingleDispatch_BinaryData()
+        {
+            var (jobHost, host) = BuildHost<EventHubTestSingleDispatchJobsBinaryData>();
+            using (jobHost)
+            {
+                await jobHost.CallAsync(nameof(EventHubTestSingleDispatchJobsBinaryData.SendEvent_TestHub), new { input = _testId });
+
+                bool result = _eventWait.WaitOne(Timeout);
+                Assert.True(result);
+            }
+
+            AssertSingleDispatchLogs(host);
+        }
+
+        private static void AssertSingleDispatchLogs(IHost host)
+        {
             IEnumerable<LogMessage> logMessages = host.GetTestLoggerProvider()
                 .GetAllLogMessages();
 
@@ -165,14 +185,35 @@ public async Task EventHub_MultipleDispatch()
             var (jobHost, host) = BuildHost<EventHubTestMultipleDispatchJobs>();
             using (jobHost)
             {
-                var method = typeof(EventHubTestMultipleDispatchJobs).GetMethod("SendEvents_TestHub", BindingFlags.Static | BindingFlags.Public);
+                var method = typeof(EventHubTestMultipleDispatchJobs).GetMethod(nameof(EventHubTestMultipleDispatchJobs.SendEvents_TestHub), BindingFlags.Static | BindingFlags.Public);
                 int numEvents = 5;
                 await jobHost.CallAsync(method, new { numEvents = numEvents, input = _testId });
 
                 bool result = _eventWait.WaitOne(Timeout);
                 Assert.True(result);
             }
 
+            AssertMultipleDispatchLogs(host);
+        }
+
+        [Test]
+        public async Task EventHub_MultipleDispatch_BinaryData()
+        {
+            var (jobHost, host) = BuildHost<EventHubTestMultipleDispatchJobsBinaryData>();
+            using (jobHost)
+            {
+                int numEvents = 5;
+                await jobHost.CallAsync(nameof(EventHubTestMultipleDispatchJobsBinaryData.SendEvents_TestHub), new { numEvents = numEvents, input = _testId });
+
+                bool result = _eventWait.WaitOne(Timeout);
+                Assert.True(result);
+            }
+
+            AssertMultipleDispatchLogs(host);
+        }
+
+        private static void AssertMultipleDispatchLogs(IHost host)
+        {
             IEnumerable<LogMessage> logMessages = host.GetTestLoggerProvider()
                 .GetAllLogMessages();
 
@@ -235,6 +276,26 @@ public static void ProcessSingleEvent([EventHubTrigger(TestHubName)] string evt,
             }
         }
 
+        public class EventHubTestSingleDispatchJobsBinaryData
+        {
+            public static void SendEvent_TestHub(string input, [EventHub(TestHubName)] out BinaryData evt)
+            {
+                evt = new BinaryData(input);
+            }
+
+            public static void ProcessSingleEvent([EventHubTrigger(TestHubName)] BinaryData evt,
+                       string partitionKey, DateTime enqueuedTimeUtc, IDictionary<string, object> properties,
+                       IDictionary<string, object> systemProperties)
+            {
+                // filter for the ID the current test is using
+                if (evt.ToString() == _testId)
+                {
+                    Assert.True((DateTime.Now - enqueuedTimeUtc).TotalSeconds < 30);
+                    _eventWait.Set();
+                }
+            }
+        }
+
         public class EventHubTestBindToPocoJobs
         {
             public static void SendEvent_TestHub(string input, [EventHub(TestHubName)] out EventData evt)
@@ -312,6 +373,39 @@ public static void ProcessMultipleEvents([EventHubTrigger(TestHubName)] string[]
             }
         }
 
+        public class EventHubTestMultipleDispatchJobsBinaryData
+        {
+            private static int s_eventCount;
+            private static int s_processedEventCount;
+            public static void SendEvents_TestHub(int numEvents, string input, [EventHub(TestHubName)] out BinaryData[] events)
+            {
+                s_eventCount = numEvents;
+                events = new BinaryData[numEvents];
+                for (int i = 0; i < numEvents; i++)
+                {
+                    events[i] = new BinaryData(input);
+                }
+            }
+
+            public static void ProcessMultipleEventsBinaryData([EventHubTrigger(TestHubName)] BinaryData[] events,
+                    string[] partitionKeyArray, DateTime[] enqueuedTimeUtcArray, IDictionary<string, object>[] propertiesArray,
+                    IDictionary<string, object>[] systemPropertiesArray)
+            {
+                Assert.AreEqual(events.Length, partitionKeyArray.Length);
+                Assert.AreEqual(events.Length, enqueuedTimeUtcArray.Length);
+                Assert.AreEqual(events.Length, propertiesArray.Length);
+                Assert.AreEqual(events.Length, systemPropertiesArray.Length);
+
+                s_processedEventCount += events.Length;
+
+                // filter for the ID the current test is using
+                if (events[0].ToString() == _testId && s_processedEventCount == s_eventCount)
+                {
+                    _eventWait.Set();
+                }
+            }
+        }
+
         public class EventHubPartitionKeyTestJobs
         {
             // send more events per partition than the EventHubsOptions.MaxBatchSize