remove EventGridFaultyEvent, remove publisher, add unit test project

EventGridBinding.sln

@@ -1,15 +1,15 @@
 
 Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio 15
-VisualStudioVersion = 15.0.26430.6
+VisualStudioVersion = 15.0.26730.3
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "src", "src", "{D0455F87-5E51-4AFD-ACF1-2F50A352F3D5}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "EventGridExtension", "src\EventGridExtension\EventGridExtension.csproj", "{D04DD2A7-EE6B-44C2-B615-DC380D8D2569}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "EventGridExtension", "src\EventGridExtension\EventGridExtension.csproj", "{D04DD2A7-EE6B-44C2-B615-DC380D8D2569}"
 EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "test", "test", "{B40A0AB6-1971-4DE9-954A-DD92AF1694CC}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "EventGridBinding", "test\localTests\EventGridBinding.csproj", "{828D7696-5D52-4AEB-8973-4382E9760094}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Extension.tests", "test\Extension.tests\Extension.tests.csproj", "{694416E6-094C-4F52-8B0F-D6B8197E5660}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
@@ -21,16 +21,19 @@ Global
 		{D04DD2A7-EE6B-44C2-B615-DC380D8D2569}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{D04DD2A7-EE6B-44C2-B615-DC380D8D2569}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{D04DD2A7-EE6B-44C2-B615-DC380D8D2569}.Release|Any CPU.Build.0 = Release|Any CPU
-		{828D7696-5D52-4AEB-8973-4382E9760094}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{694416E6-094C-4F52-8B0F-D6B8197E5660}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{828D7696-5D52-4AEB-8973-4382E9760094}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{694416E6-094C-4F52-8B0F-D6B8197E5660}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{828D7696-5D52-4AEB-8973-4382E9760094}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{694416E6-094C-4F52-8B0F-D6B8197E5660}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{828D7696-5D52-4AEB-8973-4382E9760094}.Release|Any CPU.Build.0 = Release|Any CPU
+		{694416E6-094C-4F52-8B0F-D6B8197E5660}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
 	EndGlobalSection
 	GlobalSection(NestedProjects) = preSolution
 		{D04DD2A7-EE6B-44C2-B615-DC380D8D2569} = {D0455F87-5E51-4AFD-ACF1-2F50A352F3D5}
-		{828D7696-5D52-4AEB-8973-4382E9760094} = {B40A0AB6-1971-4DE9-954A-DD92AF1694CC}
+		{694416E6-094C-4F52-8B0F-D6B8197E5660} = {B40A0AB6-1971-4DE9-954A-DD92AF1694CC}
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {7059D7BF-670B-4F26-9A7A-E73F95BEBF57}
 	EndGlobalSection
 EndGlobal

appveyor.yml

@@ -36,7 +36,9 @@ build_script:
     dotnet build -v q
 
     dotnet pack src\EventGridExtension\EventGridExtension.csproj -o ..\..\buildoutput --no-build --version-suffix "-$env:APPVEYOR_BUILD_NUMBER"
-
+test_script:
+- ps: >-
+    dotnet test .\test\Extension.tests\ -v q --no-build
 artifacts:
 - path: buildoutput\*.nupkg
   name: Binaries

src/EventGridExtension/DefaultPublisher.cs

@@ -1,58 +0,0 @@
-using Newtonsoft.Json;
-using System;
-using System.Collections.Generic;
-using System.Threading.Tasks;
-
-namespace Microsoft.Azure.WebJobs.Extensions.EventGrid
-{
-    public class DefaultPublisher : IPublisher
-    {
-        public const string Name = "DefaultPublisher";
-
-        public string PublisherName
-        {
-            get { return Name; }
-        }
-
-        public List<IDisposable> Recycles
-        {
-            get { return null; }
-        }
-
-        public Dictionary<string, Type> ExtractBindingContract(Type t)
-        {
-            if (t == typeof(EventGridEvent) || t == typeof(string))
-            {
-                var contract = new Dictionary<string, Type>(StringComparer.OrdinalIgnoreCase);
-                // for javascript, 1st attempt is to return JSON string of EventGridEvent
-                contract.Add("EventGridTrigger", t);
-                return contract;
-            }
-            else
-            {
-                return null;
-            }
-        }
-
-        public Task<Dictionary<string, object>> ExtractBindingData(EventGridEvent e, Type t)
-        {
-            var bindingData = new Dictionary<string, object>(StringComparer.OrdinalIgnoreCase);
-            if (t == typeof(EventGridEvent))
-            {
-                bindingData.Add("EventGridTrigger", e);
-            }
-            else if (t == typeof(string))
-            {
-                bindingData.Add("EventGridTrigger", JsonConvert.SerializeObject(e, Formatting.Indented));
-            }
-
-            return Task.FromResult<Dictionary<string, object>>(bindingData);
-        }
-
-        public object GetArgument(Dictionary<string, object> bindingData)
-        {
-            return bindingData["EventGridTrigger"];
-        }
-    }
-
-}

src/EventGridExtension/EventGridExtension.csproj

@@ -11,13 +11,13 @@
   </PropertyGroup>
 
   <ItemGroup Condition="$(TargetFramework)=='net46'">
-      <PackageReference Include="Microsoft.Azure.WebJobs" Version="2.1.0-beta1" />
+    <PackageReference Include="Microsoft.Azure.WebJobs" Version="2.1.0-beta1-10976" />
-      <PackageReference Include="Microsoft.Azure.WebJobs.Extensions" Version="2.1.0-beta1" />
+    <PackageReference Include="Microsoft.Azure.WebJobs.Extensions" Version="2.1.0-beta1-10489" />
-      <Reference Include="System.Web" />
+    <Reference Include="System.Web" />
   </ItemGroup>
 
   <ItemGroup Condition="$(TargetFramework)=='netstandard2.0'">
-      <PackageReference Include="Microsoft.Azure.WebJobs" Version="3.0.0-beta1-10941" />
+    <PackageReference Include="Microsoft.Azure.WebJobs" Version="3.0.0-beta1-10941" />
-      <PackageReference Include="Microsoft.Azure.WebJobs.Extensions" Version="3.0.0-beta1-10001" />
+    <PackageReference Include="Microsoft.Azure.WebJobs.Extensions" Version="3.0.0-beta1-10001" />
   </ItemGroup>
 </Project>

src/EventGridExtension/EventGridExtensionConfig.cs

@@ -1,4 +1,5 @@
-using Microsoft.Azure.WebJobs.Host.Config;
+using Microsoft.Azure.WebJobs.Host;
+using Microsoft.Azure.WebJobs.Host.Config;
 using Microsoft.Azure.WebJobs.Host.Executors;
 using Newtonsoft.Json;
 using System;
@@ -15,12 +16,7 @@ namespace Microsoft.Azure.WebJobs.Extensions.EventGrid
     public class EventGridExtensionConfig : IExtensionConfigProvider,
                        IAsyncConverter<HttpRequestMessage, HttpResponseMessage>
     {
-        private bool _isTest = false;
+        private TraceWriter _tracer = null;
-        public bool IsTest
-        {
-            get { return _isTest; }
-            set { _isTest = value; }
-        }
 
         public void Initialize(ExtensionConfigContext context)
         {
@@ -28,6 +24,11 @@ namespace Microsoft.Azure.WebJobs.Extensions.EventGrid
             {
                 throw new ArgumentNullException("context");
             }
+            else if (context.Trace == null)
+            {
+                throw new ArgumentNullException("context.Trace");
+            }
+            _tracer = context.Trace;
 
             Uri url = context.GetWebhookHandler();
 
@@ -50,6 +51,9 @@ namespace Microsoft.Azure.WebJobs.Extensions.EventGrid
 
         private async Task<HttpResponseMessage> ProcessAsync(HttpRequestMessage req)
         {
+            // webjobs.script uses req.GetQueryNameValuePairs();
+            // which requires webapi.core...but this does not work for .netframework2.0
+            // TODO change this once webjobs.script is migrated
             var functionName = HttpUtility.ParseQueryString(req.RequestUri.Query)["functionName"];
             if (String.IsNullOrEmpty(functionName) || !_listeners.ContainsKey(functionName))
             {
@@ -67,20 +71,13 @@ namespace Microsoft.Azure.WebJobs.Extensions.EventGrid
             {
                 string jsonArray = await req.Content.ReadAsStringAsync();
                 SubscriptionValidationEvent validationEvent = null;
-                try
+                List<EventGridEvent> events = JsonConvert.DeserializeObject<List<EventGridEvent>>(jsonArray);
-                {
+                validationEvent = events[0].Data.ToObject<SubscriptionValidationEvent>();
-                    List<EventGridEvent> events = JsonConvert.DeserializeObject<List<EventGridEvent>>(jsonArray);
-                    validationEvent = events[0].Data.ToObject<SubscriptionValidationEvent>();
-                }
-                catch (JsonException)
-                {
-                    // TODO remove once validation use JObject
-                    List<EventGridFaultyEvent> events = JsonConvert.DeserializeObject<List<EventGridFaultyEvent>>(jsonArray);
-                    validationEvent = JsonConvert.DeserializeObject<SubscriptionValidationEvent>(events[0].Data);
-                }
                 SubscriptionValidationResponse validationResponse = new SubscriptionValidationResponse { ValidationResponse = validationEvent.ValidationCode };
                 var returnMessage = new HttpResponseMessage(HttpStatusCode.OK);
                 returnMessage.Content = new StringContent(JsonConvert.SerializeObject(validationResponse));
+                _tracer.Trace(new TraceEvent(System.Diagnostics.TraceLevel.Info,
+                    $"perform handshake with eventGrid for endpoint: {req.RequestUri}"));
                 return returnMessage;
             }
             else if (String.Equals(eventTypeHeader, "Notification", StringComparison.OrdinalIgnoreCase))

src/EventGridExtension/EventGridJobHostConfigurationExtensions.cs

@@ -16,7 +16,7 @@ namespace Microsoft.Azure.WebJobs.Extensions.EventGrid
 
             // Register our extension configuration provider
             // done by the function runtime
-            config.RegisterExtensionConfigProvider(new EventGridExtensionConfig() { IsTest = true });
+            config.RegisterExtensionConfigProvider(new EventGridExtensionConfig());
         }
     }
 }

src/EventGridExtension/EventGridListener.cs

@@ -1,7 +1,4 @@
 using Microsoft.Azure.WebJobs.Host.Executors;
-using Newtonsoft.Json;
-using System;
-using System.Collections.Generic;
 using System.Threading;
 using System.Threading.Tasks;
 

src/EventGridExtension/EventGridTriggerAttribute.cs

@@ -14,12 +14,5 @@ namespace Microsoft.Azure.WebJobs.Extensions.EventGrid
         {
         }
 
-        public EventGridTriggerAttribute(string publisher)
-        {
-            Publisher = publisher;
-        }
-
-        public string Connection { get; set; } = null;
-        public string Publisher { get; }
     }
 }

src/EventGridExtension/EventGridTriggerAttributeBindingProvider.cs

@@ -6,6 +6,8 @@ using Microsoft.Azure.WebJobs.Host.Bindings;
 using Microsoft.Azure.WebJobs.Host.Listeners;
 using Microsoft.Azure.WebJobs.Host.Protocols;
 using Microsoft.Azure.WebJobs.Host.Triggers;
+using Newtonsoft.Json;
+using Newtonsoft.Json.Linq;
 using System;
 using System.Collections.Generic;
 using System.Globalization;
@@ -38,53 +40,41 @@ namespace Microsoft.Azure.WebJobs.Extensions.EventGrid
                 return Task.FromResult<ITriggerBinding>(null);
             }
 
-            // depends on the publisher, we could have different expectation for paramter
+            if (!isSupportBindingType(parameter.ParameterType))
-            // TODO javascript, you cannot sepcify parameterType?
-            string publisherName = attribute.Publisher;
-            IPublisher publisher = null;
-            // factory pattern
-            if (String.IsNullOrEmpty(publisherName))
-            {
-                publisher = new DefaultPublisher();
-            }
-            else if (String.Equals(publisherName, EventHubCapturePublisher.Name, StringComparison.OrdinalIgnoreCase))
-            {
-                // if publisher is EventHubCapture, Connection String is going to be required
-                publisher = new EventHubCapturePublisher(attribute.Connection);
-            }
-
-            var contract = publisher?.ExtractBindingContract(parameter.ParameterType);
-            if (contract == null)
             {
                 throw new InvalidOperationException(string.Format(CultureInfo.CurrentCulture,
-                    "Can't bind EventGridTriggerAttribute with publisher '{0}' to type '{1}'.", publisherName, parameter.ParameterType));
+                    "Can't bind EventGridTriggerAttribute to type '{0}'.", parameter.ParameterType));
             }
-            // unsupported publisher is caught in attribute constrcutor
+
-            return Task.FromResult<ITriggerBinding>(new EventGridTriggerBinding(context.Parameter, _extensionConfigProvider, context.Parameter.Member.Name, publisher, contract));
+            return Task.FromResult<ITriggerBinding>(new EventGridTriggerBinding(context.Parameter, _extensionConfigProvider, context.Parameter.Member.Name));
 
         }
 
+        public bool isSupportBindingType(Type t)
+        {
+            return (t == typeof(EventGridEvent) || t == typeof(string));
+        }
 
         private class EventGridTriggerBinding : ITriggerBinding
         {
             private readonly ParameterInfo _parameter;
-            private readonly IReadOnlyDictionary<string, Type> _bindingContract;
+            private readonly Dictionary<string, Type> _bindingContract;
             private EventGridExtensionConfig _listenersStore;
             private readonly string _functionName;
-            private readonly IPublisher _publisher;
 
-            public EventGridTriggerBinding(ParameterInfo parameter, EventGridExtensionConfig listenersStore, string functionName, IPublisher publisher, Dictionary<string, Type> contract)
+            public EventGridTriggerBinding(ParameterInfo parameter, EventGridExtensionConfig listenersStore, string functionName)
             {
-                _publisher = publisher;
                 _listenersStore = listenersStore;
                 _parameter = parameter;
                 _functionName = functionName;
-                _bindingContract = contract;
+                _bindingContract = new Dictionary<string, Type>(StringComparer.OrdinalIgnoreCase)
+                {
+                    {"data",typeof(JObject) }
+                };
             }
 
             public IReadOnlyDictionary<string, Type> BindingDataContract
             {
-                // TODO? not per parameter?
                 get { return _bindingContract; }
             }
 
@@ -93,21 +83,30 @@ namespace Microsoft.Azure.WebJobs.Extensions.EventGrid
                 get { return typeof(EventGridEvent); }
             }
 
-            public async Task<ITriggerData> BindAsync(object value, ValueBindingContext context)
+            public Task<ITriggerData> BindAsync(object value, ValueBindingContext context)
             {
                 EventGridEvent triggerValue = value as EventGridEvent;
-                var bindingData = await _publisher.ExtractBindingData(triggerValue, _parameter.ParameterType);
+                var bindingData = new Dictionary<string, object>(StringComparer.OrdinalIgnoreCase)
-                IValueBinder valueBinder = new EventGridValueBinder(_parameter, _publisher.GetArgument(bindingData), _publisher.Recycles);
+                {
-                return new TriggerData(valueBinder, bindingData);
+                    {"data", triggerValue.Data}
+                };
+
+                object argument;
+                if (_parameter.ParameterType == typeof(string))
+                {
+                    argument = JsonConvert.SerializeObject(triggerValue, Formatting.Indented);
+                }
+                else
+                {
+                    argument = triggerValue;
+                }
+
+                IValueBinder valueBinder = new EventGridValueBinder(_parameter, argument);
+                return Task.FromResult<ITriggerData>(new TriggerData(valueBinder, bindingData));
             }
 
             public Task<IListener> CreateListenerAsync(ListenerFactoryContext context)
             {
-                // listenersStore is of Type "EventGridExtensionConfig"
-                if (_listenersStore.IsTest)
-                {
-                    return Task.FromResult<IListener>(new TestListener(context.Executor));
-                }
                 return Task.FromResult<IListener>(new EventGridListener(context.Executor, _listenersStore, _functionName));
             }
 
@@ -141,7 +140,7 @@ namespace Microsoft.Azure.WebJobs.Extensions.EventGrid
                 private readonly object _value;
                 private List<IDisposable> _disposables = null;
 
-                public EventGridValueBinder(ParameterInfo parameter, object value, List<IDisposable> disposables)
+                public EventGridValueBinder(ParameterInfo parameter, object value, List<IDisposable> disposables = null)
                     : base(parameter.ParameterType)
                 {
                     _value = value;

src/EventGridExtension/EventGridevent.cs

@@ -16,85 +16,6 @@ namespace Microsoft.Azure.WebJobs.Extensions.EventGrid
         public string ValidationCode { get; set; }
     }
 
-    public class StorageBlob
-    {
-        /*
-{
-    "fileUrl": "https://shunsouthcentralus.blob.core.windows.net/archivecontainershun/canaryeh/test/1/2017/07/14/23/09/27.avro",
-    "fileType": "AzureBlockBlob",
-    "partitionId": "1",
-    "sizeInBytes": 0,
-    "eventCount": 0,
-    "firstSequenceNumber": -1,
-    "lastSequenceNumber": -1,
-    "firstEnqueueTime": "0001-01-01T00:00:00",
-    "lastEnqueueTime": "0001-01-01T00:00:00"
-}
-         */
-        [JsonProperty(PropertyName = "fileUrl")]
-        public Uri FileUrl { get; set; }
-
-        [JsonProperty(PropertyName = "fileType")]
-        public string FileType { get; set; }
-
-        [JsonProperty(PropertyName = "partitionId")]
-        public int PartitionId { get; set; }
-
-        [JsonProperty(PropertyName = "sizeInBytes")]
-        public int SizeInBytes { get; set; }
-
-        [JsonProperty(PropertyName = "eventCount")]
-        public int EventCount { get; set; }
-
-        [JsonProperty(PropertyName = "firstSequenceNumber")]
-        public int FirstSequenceNumber { get; set; }
-
-        [JsonProperty(PropertyName = "lastSequenceNumber")]
-        public int LastSequenceNumber { get; set; }
-
-        [JsonProperty(PropertyName = "firstEnqueueTime")]
-        public DateTime FirstEnqueueTime { get; set; }
-
-        [JsonProperty(PropertyName = "lastEnqueueTime")]
-        public DateTime LastEnqueueTime { get; set; }
-
-    }
-
-    public class EventGridFaultyEvent
-    {
-        /*
-{
-  'id': 'eac180e8-92e0-436d-8699-a0324e2a5fef',
-  'topic': '/subscriptions/5b4b650e-28b9-4790-b3ab-ddbd88d727c4/resourceGroups/canaryeh/providers/microsoft.eventhub/namespaces/canaryeh',
-  'subject': 'eventhubs/test',
-  'data': '{\""validationCode\"":\""85fe9560-f63f-469b-b40a-5a6327db05e6\""}',  <-- String instead of JObject
-  'eventType': 'Microsoft.EventGrid/SubscriptionValidationEvent',
-  'eventTime': '2017-07-28T00:43:28.6153503Z'
-}
-        */
-
-        [JsonProperty(PropertyName = "topic")]
-        public string Topic { get; set; }
-
-        [JsonProperty(PropertyName = "subject")]
-        public string Subject { get; set; }
-
-        [JsonProperty(PropertyName = "data")]
-        public string Data { get; set; }
-
-        [JsonProperty(PropertyName = "eventType")]
-        public string EventType { get; set; }
-
-        [JsonProperty(PropertyName = "publishTime")]
-        public DateTime PublishTime { get; set; }
-
-        [JsonProperty(PropertyName = "eventTime")]
-        public DateTime EventTime { get; set; }
-
-        [JsonProperty(PropertyName = "id")]
-        public string Id { get; set; }
-    }
-
     public class EventGridEvent
     {
         /*
@@ -115,7 +36,6 @@ namespace Microsoft.Azure.WebJobs.Extensions.EventGrid
         [JsonProperty(PropertyName = "subject")]
         public string Subject { get; set; }
 
-        // the content of this depends on the publisher
         [JsonProperty(PropertyName = "data")]
         public JObject Data { get; set; }
 

src/EventGridExtension/EventHubCapturePublisher.cs

@@ -1,129 +0,0 @@
-using Microsoft.Azure.WebJobs.Host;
-using Microsoft.WindowsAzure.Storage;
-using Microsoft.WindowsAzure.Storage.Auth;
-using Microsoft.WindowsAzure.Storage.Blob;
-using System;
-using System.Collections.Generic;
-using System.Globalization;
-using System.IO;
-using System.Threading.Tasks;
-
-namespace Microsoft.Azure.WebJobs.Extensions.EventGrid
-{
-    public class EventHubCapturePublisher : IPublisher
-    {
-        public const string Name = "eventHubCapture";
-        private List<IDisposable> _recycles = null;
-        private StorageCredentials _credentials;
-        public EventHubCapturePublisher(string connectionStringName)
-        {
-            if (String.IsNullOrEmpty(connectionStringName))
-            {
-                throw new InvalidOperationException(string.Format(CultureInfo.CurrentCulture,
-                   "Can't bind EventGridTriggerAttribute with publisher '{0}': missing ConnectionString for Storageblob.", Name));
-            }
-            var connectionString = AmbientConnectionStringProvider.Instance.GetConnectionString(connectionStringName);
-            _credentials = CloudStorageAccount.Parse(connectionString).Credentials;
-        }
-
-        public string PublisherName
-        {
-            get { return Name; }
-        }
-
-        public List<IDisposable> Recycles
-        {
-            get { return _recycles; }
-        }
-
-        public Dictionary<string, Type> ExtractBindingContract(Type t)
-        {
-            var contract = new Dictionary<string, Type>(StringComparer.OrdinalIgnoreCase);
-            // TODO we can determine the ACTION in this function, so that when calling ExtractBindingData, we don't have to do the comparison again
-            if (t == typeof(EventGridEvent))
-            {
-                contract.Add("EventGridTrigger", t);
-            }
-            else if (t == typeof(Stream) || t == typeof(string) || t == typeof(CloudBlob) || t == typeof(byte[]))
-            {
-                contract.Add("EventGridTrigger", t);
-                contract.Add("BlobTrigger", typeof(string));
-                contract.Add("Uri", typeof(Uri));
-                contract.Add("Properties", typeof(BlobProperties));
-                contract.Add("Metadata", typeof(IDictionary<string, string>));
-            }
-            else
-            {
-                // fail
-                return null;
-            }
-            return contract;
-
-        }
-
-        public async Task<Dictionary<string, object>> ExtractBindingData(EventGridEvent e, Type t)
-        {
-            var bindingData = new Dictionary<string, object>(StringComparer.OrdinalIgnoreCase);
-            if (t == typeof(EventGridEvent))
-            {
-                bindingData.Add("EventGridTrigger", e);
-            }
-            else
-            {
-                StorageBlob data = e.Data.ToObject<StorageBlob>();
-                var blob = new CloudBlob(data.FileUrl, _credentials);
-                // set metadata based on https://github.com/MicrosoftDocs/azure-docs/blob/master/articles/azure-functions/functions-bindings-storage-blob.md#trigger-metadata
-                //BlobTrigger.Type string.The triggering blob path
-                bindingData.Add("BlobTrigger", blob.Container.Name + "/" + blob.Name);
-                //Uri.Type System.Uri.The blob's URI for the primary location.
-                bindingData.Add("Uri", blob.Uri);
-                //Properties.Type Microsoft.WindowsAzure.Storage.Blob.BlobProperties.The blob's system properties.
-                bindingData.Add("Properties", blob.Properties);
-                //Metadata.Type IDictionary<string, string>.The user - defined metadata for the blob
-                bindingData.Add("Metadata", blob.Metadata);
-                // [Blob("output/copy-{name}")] out string output, does not apply here
-                // bindingData.Add("name", blob.Name);
-                if (t == typeof(CloudBlob))
-                {
-                    bindingData.Add("EventGridTrigger", blob);
-                }
-                else
-                {
-                    // convert from stream 
-                    var blobStream = await blob.OpenReadAsync();
-                    if (t == typeof(Stream))
-                    {
-                        _recycles = new List<IDisposable>();
-                        _recycles.Add(blobStream); // close after function call
-                        bindingData.Add("EventGridTrigger", blobStream);
-                    }
-                    // copy to memory => use case javascript
-                    else if (t == typeof(Byte[]))
-                    {
-                        using (MemoryStream ms = new MemoryStream())
-                        {
-                            await blobStream.CopyToAsync(ms);
-                            bindingData.Add("EventGridTrigger", ms.ToArray());
-                        }
-                        blobStream.Close(); // close before the function call
-                    }
-                    else if (t == typeof(string))
-                    {
-                        using (StreamReader responseStream = new StreamReader(blobStream))
-                        {
-                            string blobData = await responseStream.ReadToEndAsync();
-                            bindingData.Add("EventGridTrigger", blobData);
-                        }
-                        blobStream.Close(); // close before the function call
-                    }
-                }
-            }
-            return bindingData;
-        }
-
-        public object GetArgument(Dictionary<string, object> bindingData)
-        {
-            return bindingData["EventGridTrigger"];
-        }
-    }
-}

src/EventGridExtension/IPublisher.cs

@@ -1,21 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Threading.Tasks;
-
-namespace Microsoft.Azure.WebJobs.Extensions.EventGrid
-{
-    public interface IPublisher
-    {
-        string PublisherName { get; }
-
-        List<IDisposable> Recycles { get; }
-
-        // this method needs to filter invalid datatype
-        // return null
-        Dictionary<string, Type> ExtractBindingContract(Type t);
-
-        Task<Dictionary<string, object>> ExtractBindingData(EventGridEvent e, Type t);
-
-        object GetArgument(Dictionary<string, object> bindingData);
-    }
-}

src/EventGridExtension/TestListener.cs

@@ -1,89 +0,0 @@
-using Microsoft.Azure.WebJobs.Host.Executors;
-using Newtonsoft.Json;
-using System;
-using System.Collections.Generic;
-using System.Threading;
-using System.Threading.Tasks;
-
-namespace Microsoft.Azure.WebJobs.Extensions.EventGrid
-{
-    public class TestListener : Microsoft.Azure.WebJobs.Host.Listeners.IListener
-    {
-        public ITriggeredFunctionExecutor Executor { private set; get; }
-
-        private System.Timers.Timer _timer;
-
-        public TestListener(ITriggeredFunctionExecutor executor)
-        {
-            Executor = executor;
-
-            // For this sample, we're using a timer to generate
-            // trigger events. You'll replace this with your event source.
-
-            _timer = new System.Timers.Timer(5 * 1000)
-            {
-                AutoReset = false
-            };
-            _timer.Elapsed += OnTimer;
-        }
-
-        public Task StartAsync(CancellationToken cancellationToken)
-        {
-            _timer.Start();
-            return Task.FromResult(true);
-        }
-
-        public Task StopAsync(CancellationToken cancellationToken)
-        {
-            _timer.Stop();
-            return Task.FromResult(true);
-        }
-
-        public void Dispose()
-        {
-            _timer.Dispose();
-
-        }
-
-        public void Cancel()
-        {
-            // TODO: cancel any outstanding tasks initiated by this listener
-        }
-
-
-        private void OnTimer(object sender, System.Timers.ElapsedEventArgs e)
-        {
-            // invoke the function executor
-            // this is similar to code in ProcessAsync()
-            string stringJson = @"[{
-  'topic': '/subscriptions/5b4b650e-28b9-4790-b3ab-ddbd88d727c4/resourcegroups/canaryeh/providers/Microsoft.EventHub/namespaces/canaryeh',
-  'subject': 'eventhubs/test',
-  'eventType': 'captureFileCreated',
-  'eventTime': '2017-07-14T23:10:27.7689666Z',
-  'id': '7b11c4ce-1c34-4416-848b-1730e766f126',
-  'data': {
-    'fileUrl': 'https://shunsouthcentralus.blob.core.windows.net/debugging/shunBlob.txt',
-    'fileType': 'AzureBlockBlob',
-    'partitionId': '1',
-    'sizeInBytes': 0,
-    'eventCount': 0,
-    'firstSequenceNumber': -1,
-    'lastSequenceNumber': -1,
-    'firstEnqueueTime': '0001-01-01T00:00:00',
-    'lastEnqueueTime': '0001-01-01T00:00:00'
-  },
-  'publishTime': '2017-07-14T23:10:29.5004788Z'
-}]";
-            List<EventGridEvent> events = JsonConvert.DeserializeObject<List<EventGridEvent>>(stringJson);
-            foreach (var param in events)
-            {
-                TriggeredFunctionData input = new TriggeredFunctionData
-                {
-                    TriggerValue = param
-                };
-
-                Executor.TryExecuteAsync(input, CancellationToken.None).Wait();
-            }
-        }
-    }
-}

test/Extension.tests/Common/FakeLocator.cs

@@ -0,0 +1,15 @@
+using Microsoft.Azure.WebJobs;
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace Extension.tests
+{
+    public class FakeTypeLocator<T> : ITypeLocator
+    {
+        public IReadOnlyList<Type> GetTypes()
+        {
+            return new Type[] { typeof(T) };
+        }
+    }
+}

test/Extension.tests/Common/TestBinding.cs

@@ -0,0 +1,28 @@
+using Microsoft.Azure.WebJobs;
+using Microsoft.Azure.WebJobs.Description;
+using Microsoft.Azure.WebJobs.Host.Config;
+using System;
+
+namespace Extension.tests
+{
+    [Binding]
+    public class BindingDataAttribute : Attribute
+    {
+        public BindingDataAttribute(string toBeAutoResolve)
+        {
+            ToBeAutoResolve = toBeAutoResolve;
+        }
+
+        [AutoResolve]
+        public string ToBeAutoResolve { get; set; }
+    }
+
+    public class TestExtensionConfig : IExtensionConfigProvider
+    {
+        public void Initialize(ExtensionConfigContext context)
+        {
+            context.AddBindingRule<BindingDataAttribute>().
+                BindToInput<string>(attr => attr.ToBeAutoResolve);
+        }
+    }
+}

test/Extension.tests/Common/TestHelpers.cs

@@ -0,0 +1,24 @@
+using Microsoft.Azure.WebJobs;
+using Microsoft.Azure.WebJobs.Extensions.EventGrid;
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace Extension.tests
+{
+    public class TestHelpers
+    {
+        public static JobHost NewHost<T>(EventGridExtensionConfig ext = null)
+        {
+            JobHostConfiguration config = new JobHostConfiguration();
+            config.HostId = Guid.NewGuid().ToString("n");
+            config.StorageConnectionString = null;
+            config.DashboardConnectionString = null;
+            config.TypeLocator = new FakeTypeLocator<T>();
+            config.AddExtension(ext ?? new EventGridExtensionConfig());
+            config.AddExtension(new TestExtensionConfig());
+            var host = new JobHost(config);
+            return host;
+        }
+    }
+}

test/Extension.tests/Extension.tests.csproj

@@ -0,0 +1,16 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFrameworks>netcoreapp2.0;net46</TargetFrameworks>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.5.0-preview-20170810-02" />
+    <PackageReference Include="xunit" Version="2.3.0-beta2-build3683" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.3.0-beta3-build3705" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\..\src\EventGridExtension\EventGridExtension.csproj" />
+  </ItemGroup>
+</Project>

test/Extension.tests/JobhostEndToEnd.cs

@@ -0,0 +1,93 @@
+using Microsoft.Azure.WebJobs;
+using Microsoft.Azure.WebJobs.Extensions.EventGrid;
+using Newtonsoft.Json;
+using System.Collections.Generic;
+using Xunit;
+using System.IO;
+using System;
+using System.Threading.Tasks;
+
+namespace Extension.tests
+{
+    public class JobhostEndToEnd
+    {
+        const string singleEvent = @"{
+  'topic': '/subscriptions/5b4b650e-28b9-4790-b3ab-ddbd88d727c4/resourcegroups/canaryeh/providers/Microsoft.EventHub/namespaces/canaryeh',
+  'subject': 'eventhubs/test',
+  'eventType': 'captureFileCreated',
+  'eventTime': '2017-07-14T23:10:27.7689666Z',
+  'id': '7b11c4ce-1c34-4416-848b-1730e766f126',
+  'data': {
+    'fileUrl': 'https://shunsouthcentralus.blob.core.windows.net/debugging/shunBlob.txt',
+    'fileType': 'AzureBlockBlob',
+    'partitionId': '1',
+    'sizeInBytes': 0,
+    'eventCount': 0,
+    'firstSequenceNumber': -1,
+    'lastSequenceNumber': -1,
+    'firstEnqueueTime': '0001-01-01T00:00:00',
+    'lastEnqueueTime': '0001-01-01T00:00:00'
+  },
+  'publishTime': '2017-07-14T23:10:29.5004788Z'
+}";
+        static private string functionOut = null;
+
+        [Fact]
+        public async Task ConsumeEventGridEventTest()
+        {
+
+            EventGridEvent eve = JsonConvert.DeserializeObject<EventGridEvent>(singleEvent);
+            var args = new Dictionary<string, object>{
+                { "value", eve }
+            };
+
+            var host = TestHelpers.NewHost<MyProg1>();
+
+            await host.CallAsync("MyProg1.TestEventGrid", args);
+            Assert.Equal(functionOut, eve.Subject);
+            functionOut = null;
+
+            await host.CallAsync("MyProg1.TestEventGridToString", args);
+            Assert.Equal(functionOut, eve.Subject);
+            functionOut = null;
+        }
+
+        [Fact]
+        public async Task UseInputBlobBinding()
+        {
+            EventGridEvent eve = JsonConvert.DeserializeObject<EventGridEvent>(singleEvent);
+            var args = new Dictionary<string, object>{
+                { "value", eve }
+            };
+
+            var host = TestHelpers.NewHost<MyProg3>();
+
+            await host.CallAsync("MyProg3.TestBlobStream", args);
+            Assert.Equal(@"https://shunsouthcentralus.blob.core.windows.net/debugging/shunBlob.txt", functionOut);
+            functionOut = null;
+        }
+
+        public class MyProg1
+        {
+            public void TestEventGrid([EventGridTrigger] EventGridEvent value)
+            {
+                functionOut = value.Subject;
+            }
+
+            public void TestEventGridToString([EventGridTrigger] string value)
+            {
+                functionOut = JsonConvert.DeserializeObject<EventGridEvent>(value).Subject;
+            }
+        }
+
+        public class MyProg3
+        {
+            public void TestBlobStream(
+            [EventGridTrigger] EventGridEvent value,
+            [BindingData("{data.fileUrl}")] string autoResolve)
+            {
+                functionOut = autoResolve;
+            }
+        }
+    }
+}

test/Extension.tests/TestListener.cs

@@ -0,0 +1,127 @@
+using Microsoft.Azure.WebJobs;
+using Microsoft.Azure.WebJobs.Extensions.EventGrid;
+using Newtonsoft.Json;
+using System.Collections.Generic;
+using Xunit;
+using System.IO;
+using System;
+using System.Threading.Tasks;
+using Microsoft.Azure.WebJobs.Host.Config;
+using System.Net.Http;
+using System.Threading;
+using System.Net;
+using System.Text;
+using Newtonsoft.Json.Linq;
+
+namespace Extension.tests
+{
+    public class TestListener : IWebHookProvider
+    { 
+    
+        Uri IWebHookProvider.GetUrl(IExtensionConfigProvider extension)
+        {
+            // Called by configuration registration. URI here doesn't matter.
+            return new Uri("http://localhost");
+        }
+
+        static private StringBuilder _log = new StringBuilder();
+
+        public TestListener()
+        {
+            _log.Clear();
+        }
+
+        // Unsubscribe gives a 202. 
+        [Fact]
+        public async Task TestUnsubscribe()
+        {
+            var ext = new EventGridExtensionConfig();
+
+            var host = TestHelpers.NewHost<MyProg1>(ext);
+
+
+            await host.StartAsync(); // add listener 
+
+
+            var request = CreateUnsubscribeRequest("TestEventGrid");
+            IAsyncConverter <HttpRequestMessage, HttpResponseMessage> handler = ext;
+            var response = await handler.ConvertAsync(request, CancellationToken.None);
+
+            Assert.Equal(HttpStatusCode.Accepted, response.StatusCode);
+        }
+
+
+        // Test that an event payload with multiple events causes multiple dispatches, 
+        /// and that each instance has correct binding data .
+        // This is the fundamental difference between a regular HTTP trigger and a EventGrid trigger.
+        [Fact]
+        public async Task TestDispatch()
+        {
+            var ext = new EventGridExtensionConfig();
+
+            var host = TestHelpers.NewHost<MyProg1>(ext);
+
+            await host.StartAsync(); // add listener 
+
+            var request = CreateDispatchRequest("TestEventGrid", new EventGridEvent
+            {
+                 Subject = "One",
+                 Data = JObject.FromObject(new FakePayload
+                 {
+                     Prop = "alpha"
+                 })
+            },
+            new EventGridEvent
+            {
+                Subject = "Two",
+                Data = JObject.FromObject(new FakePayload
+                {
+                    Prop = "beta"
+                })
+            });
+            IAsyncConverter<HttpRequestMessage, HttpResponseMessage> handler = ext;
+            var response = await handler.ConvertAsync(request, CancellationToken.None);
+
+            // Verify that the user function was dispatched twice, in order. 
+            // Also verifies each instance gets its own proper binding data (from FakePayload.Prop)
+            Assert.Equal("[Dispatch:One,alpha][Dispatch:Two,beta]", _log.ToString());
+
+            // TODO - Verify that we return from webhook before the dispatch is finished 
+            // https://github.com/Azure/azure-functions-eventing-extension/issues/10
+            Assert.Equal(HttpStatusCode.Accepted, response.StatusCode);
+        }
+
+        static HttpRequestMessage CreateUnsubscribeRequest(string funcName)
+        {
+            var request = new HttpRequestMessage(HttpMethod.Post, "http://localhost/?functionName=" + funcName);
+            request.Headers.Add("aeg-event-type", "Unsubscribe");
+            return request;
+        }
+
+        static HttpRequestMessage CreateDispatchRequest(string funcName, params EventGridEvent[] items)
+        {
+            var request = new HttpRequestMessage(HttpMethod.Post, "http://localhost/?functionName=" + funcName);
+            request.Headers.Add("aeg-event-type", "Notification");
+            request.Content = new StringContent(
+                JsonConvert.SerializeObject(items), 
+                Encoding.UTF8, 
+                "application/json");
+            return request;
+        }
+
+        public class FakePayload
+        {
+            public string Prop { get; set; }
+        }
+
+        public class MyProg1
+        {
+            public void TestEventGrid(
+                [EventGridTrigger] EventGridEvent value,
+                [BindingData("{data.prop}")] string prop)
+            {
+                _log.Append("[Dispatch:" + value.Subject + "," + prop + "]");
+            }
+        }
+    }
+}

test/localTests/EventGridBinding.csproj

@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>netstandard2.0;net46</TargetFrameworks>
+    <TargetFrameworks>net46;netcoreapp2.0</TargetFrameworks>
     <PackageId>Microsoft.Azure.WebJobs.Extensions.EventGrid.Test</PackageId>
     <Description></Description>
     <ApplicationIcon />

test/localTests/Function.cs

@@ -1,4 +1,5 @@
-using Microsoft.Azure.WebJobs.Extensions.EventGrid;
+using Microsoft.Azure.WebJobs;
+using Microsoft.Azure.WebJobs.Extensions.EventGrid;
 using System;
 using System.IO;
 
@@ -9,28 +10,19 @@ namespace EventGridBinding
     {
         // TODO test fields
         public void TestEventGrid([EventGridTrigger] EventGridEvent value)
+        {
+            Console.WriteLine(value.ToString());
+        }
+
+        public void TestEventGridToString([EventGridTrigger] string value)
         {
             Console.WriteLine(value);
         }
 
-        public void TestInputStream([EventGridTrigger("eventhubcapture", Connection = "ShunTestConnectionString")] Stream myBlob, string blobTrigger)
+        public void TestBlobStream([EventGridTrigger] EventGridEvent value, [Blob("{data.container}/{data.blob}", FileAccess.Read, Connection = "ShunTestConnectionString")]Stream myBlob)
         {
-            Console.WriteLine($"file name {blobTrigger}");
             var reader = new StreamReader(myBlob);
             Console.WriteLine(reader.ReadToEnd());
         }
-
-        public void TestByteArray([EventGridTrigger("eventhubcapture", Connection = "ShunTestConnectionString")] byte[] myBlob)
-        {
-            foreach (var b in myBlob)
-            {
-                Console.Write(b);
-            }
-        }
-
-        public void TestString([EventGridTrigger("eventhubcapture", Connection = "ShunTestConnectionString")] string myBlob)
-        {
-            Console.WriteLine(myBlob);
-        }
     }
 }