public void CanRoundTripStream()
{
var data = new byte[] { 1, 2, 3 };
var stream = new MemoryStream(data);
stream.Position = 0;
var time = DateTimeOffset.Now;
var cloudEvent = new CloudEvent("source", "type", BinaryData.FromStream(stream), "application/octet-stream")
{
Subject = "subject",
DataSchema = "schema",
Id = "id",
Time = time,
};
var serializer = new JsonObjectSerializer();
BinaryData serialized = serializer.Serialize(cloudEvent);
CloudEvent deserialized = CloudEvent.ParseEvents(serialized.ToString())[0];
Assert.AreEqual("source", deserialized.Source);
Assert.AreEqual("type", deserialized.Type);
Assert.AreEqual(data, deserialized.Data.ToArray());
Assert.AreEqual("subject", deserialized.Subject);
Assert.AreEqual("schema", deserialized.DataSchema);
Assert.AreEqual("id", deserialized.Id);
Assert.AreEqual(time, deserialized.Time);
}
public void CloudEventParseThrowsOnNullInput()
{
Assert.That(() => CloudEvent.ParseEvents((string)null),
Throws.InstanceOf <ArgumentNullException>());
Assert.That(() => CloudEvent.Parse((BinaryData)null),
Throws.InstanceOf <ArgumentNullException>());
}
private static List <CloudEvent> DeserializeRequest(Request request)
{
var stream = new MemoryStream();
request.Content.WriteTo(stream, CancellationToken.None);
stream.Position = 0;
using var reader = new StreamReader(stream);
CloudEvent[] cloudEvents = CloudEvent.ParseEvents(reader.ReadToEnd());
return(cloudEvents.ToList());
}
public void CanRoundTripNumber()
{
var time = DateTimeOffset.Now;
var cloudEvent = new CloudEvent("source", "type", 5)
{
Subject = "subject",
DataSchema = "schema",
Id = "id",
Time = time,
};
Assert.AreEqual(5, cloudEvent.Data.ToObjectFromJson <int>());
var serializer = new JsonObjectSerializer();
BinaryData serialized = serializer.Serialize(cloudEvent);
CloudEvent deserialized = CloudEvent.ParseEvents(serialized.ToString())[0];
AssertCloudEvent();
deserialized = (CloudEvent)serializer.Deserialize(serialized.ToStream(), typeof(CloudEvent), CancellationToken.None);
AssertCloudEvent();
deserialized = CloudEvent.Parse(serialized);
AssertCloudEvent();
cloudEvent = new CloudEvent("source", "type", new BinaryData(5), "application/json", CloudEventDataFormat.Json)
{
Subject = "subject",
DataSchema = "schema",
Id = "id",
Time = time,
};
Assert.AreEqual(5, cloudEvent.Data.ToObjectFromJson <int>());
serialized = serializer.Serialize(cloudEvent);
deserialized = CloudEvent.ParseEvents(serialized.ToString())[0];
AssertCloudEvent();
deserialized = (CloudEvent)serializer.Deserialize(serialized.ToStream(), typeof(CloudEvent), CancellationToken.None);
AssertCloudEvent();
deserialized = CloudEvent.Parse(serialized);
AssertCloudEvent();
void AssertCloudEvent()
{
Assert.AreEqual(5, cloudEvent.Data.ToObjectFromJson <int>());
Assert.AreEqual("source", deserialized.Source);
Assert.AreEqual("type", deserialized.Type);
Assert.AreEqual("subject", deserialized.Subject);
Assert.AreEqual("schema", deserialized.DataSchema);
Assert.AreEqual("id", deserialized.Id);
Assert.AreEqual(time, deserialized.Time);
}
}
public void CanRoundTripModelWithCustomSerializer()
{
var time = DateTimeOffset.Now;
var data = new TestModel
{
A = 10,
B = true
};
var dataSerializer = new JsonObjectSerializer(new JsonSerializerOptions
{
PropertyNamingPolicy = JsonNamingPolicy.CamelCase
});
var cloudEvent = new CloudEvent("source", "type", dataSerializer.Serialize(data), "application/json", CloudEventDataFormat.Json)
{
Subject = "subject",
DataSchema = "schema",
Id = "id",
Time = time,
};
var serializer = new JsonObjectSerializer();
BinaryData serialized = serializer.Serialize(cloudEvent);
CloudEvent deserialized = CloudEvent.ParseEvents(serialized.ToString())[0];
Assert.AreEqual("source", deserialized.Source);
Assert.AreEqual("type", deserialized.Type);
Assert.AreEqual(10, deserialized.Data.ToObject <TestModel>(dataSerializer).A);
Assert.AreEqual(true, deserialized.Data.ToObject <TestModel>(dataSerializer).B);
Assert.AreEqual("subject", deserialized.Subject);
Assert.AreEqual("schema", deserialized.DataSchema);
Assert.AreEqual("id", deserialized.Id);
Assert.AreEqual(time, deserialized.Time);
deserialized = (CloudEvent)serializer.Deserialize(serialized.ToStream(), typeof(CloudEvent), CancellationToken.None);
Assert.AreEqual("source", deserialized.Source);
Assert.AreEqual("type", deserialized.Type);
Assert.AreEqual(10, deserialized.Data.ToObject <TestModel>(dataSerializer).A);
Assert.AreEqual(true, deserialized.Data.ToObject <TestModel>(dataSerializer).B);
Assert.AreEqual("subject", deserialized.Subject);
Assert.AreEqual("schema", deserialized.DataSchema);
Assert.AreEqual("id", deserialized.Id);
Assert.AreEqual(time, deserialized.Time);
deserialized = CloudEvent.Parse(serialized);
Assert.AreEqual("source", deserialized.Source);
Assert.AreEqual("type", deserialized.Type);
Assert.AreEqual(10, deserialized.Data.ToObject <TestModel>(dataSerializer).A);
Assert.AreEqual(true, deserialized.Data.ToObject <TestModel>(dataSerializer).B);
Assert.AreEqual("subject", deserialized.Subject);
Assert.AreEqual("schema", deserialized.DataSchema);
Assert.AreEqual("id", deserialized.Id);
Assert.AreEqual(time, deserialized.Time);
}
public void CanRoundTrip()
{
var time = DateTimeOffset.Now;
var data = new TestModel
{
A = 10,
B = true
};
var cloudEvent = new CloudEvent("source", "type", data)
{
Subject = "subject",
DataSchema = "schema",
Id = "id",
Time = time,
};
var serializer = new JsonObjectSerializer();
BinaryData serialized = serializer.Serialize(cloudEvent);
CloudEvent deserialized = CloudEvent.ParseEvents(serialized.ToString())[0];
Assert.AreEqual("source", deserialized.Source);
Assert.AreEqual("type", deserialized.Type);
Assert.AreEqual(10, deserialized.Data.ToObjectFromJson <TestModel>().A);
Assert.AreEqual(true, deserialized.Data.ToObjectFromJson <TestModel>().B);
Assert.AreEqual("subject", deserialized.Subject);
Assert.AreEqual("schema", deserialized.DataSchema);
Assert.AreEqual("id", deserialized.Id);
Assert.AreEqual(time, deserialized.Time);
deserialized = (CloudEvent)serializer.Deserialize(serialized.ToStream(), typeof(CloudEvent), CancellationToken.None);
Assert.AreEqual("source", deserialized.Source);
Assert.AreEqual("type", deserialized.Type);
Assert.AreEqual(10, deserialized.Data.ToObjectFromJson <TestModel>().A);
Assert.AreEqual(true, deserialized.Data.ToObjectFromJson <TestModel>().B);
Assert.AreEqual("subject", deserialized.Subject);
Assert.AreEqual("schema", deserialized.DataSchema);
Assert.AreEqual("id", deserialized.Id);
Assert.AreEqual(time, deserialized.Time);
deserialized = CloudEvent.Parse(serialized);
Assert.AreEqual("source", deserialized.Source);
Assert.AreEqual("type", deserialized.Type);
Assert.AreEqual(10, deserialized.Data.ToObjectFromJson <TestModel>().A);
Assert.AreEqual(true, deserialized.Data.ToObjectFromJson <TestModel>().B);
Assert.AreEqual("subject", deserialized.Subject);
Assert.AreEqual("schema", deserialized.DataSchema);
Assert.AreEqual("id", deserialized.Id);
Assert.AreEqual(time, deserialized.Time);
}
public void GenericReceiveAndDeserializeEventGridEvents()
{
// Example of a custom ObjectSerializer used to deserialize the event payload
JsonObjectSerializer myCustomSerializer = new JsonObjectSerializer(
new JsonSerializerOptions()
{
PropertyNameCaseInsensitive = true
});
#region Snippet:CloudEventParseJson
// Parse the JSON payload into a list of events using CloudEvent.Parse
CloudEvent[] cloudEvents = CloudEvent.ParseEvents(jsonPayloadSampleTwo);
#endregion
// Iterate over each event to access event properties and data
#region Snippet:DeserializePayloadUsingGenericGetData
foreach (CloudEvent cloudEvent in cloudEvents)
{
switch (cloudEvent.Type)
{
case "Contoso.Items.ItemReceived":
// By default, GetData uses JsonObjectSerializer to deserialize the payload
ContosoItemReceivedEventData itemReceived = cloudEvent.Data.ToObjectFromJson <ContosoItemReceivedEventData>();
Console.WriteLine(itemReceived.ItemSku);
break;
case "MyApp.Models.CustomEventType":
// One can also specify a custom ObjectSerializer as needed to deserialize the payload correctly
TestPayload testPayload = cloudEvent.Data.ToObject <TestPayload>(myCustomSerializer);
Console.WriteLine(testPayload.Name);
break;
case SystemEventNames.StorageBlobDeleted:
// Example for deserializing system events using GetData<T>
StorageBlobDeletedEventData blobDeleted = cloudEvent.Data.ToObjectFromJson <StorageBlobDeletedEventData>();
Console.WriteLine(blobDeleted.BlobType);
break;
}
}
#endregion
}
public void CanParseInvalidAttributes(bool skipValidation)
{
// improperly cased extension can still be deserialized.
var json = "{\"subject\": \"Subject-0\", \"source\":\"source\", \"specversion\":\"1.0\", \"id\": \"id\", \"type\": \"type\", \"KEY\":\"value\", \"dict\": { \"key1\":true, \"key2\": 5 } }";
if (!skipValidation)
{
Assert.That(
() => CloudEvent.ParseEvents(json),
Throws.InstanceOf <ArgumentException>());
}
else
{
var evt = CloudEvent.ParseEvents(json, true)[0];
Assert.AreEqual("Subject-0", evt.Subject);
Assert.AreEqual("type", evt.Type);
Assert.AreEqual("value", evt.ExtensionAttributes["KEY"]);
Assert.AreEqual(true, ((IDictionary <string, object>)evt.ExtensionAttributes["dict"])["key1"]);
Assert.AreEqual(5, ((IDictionary <string, object>)evt.ExtensionAttributes["dict"])["key2"]);
}
}
public void CanRoundTripWithDefaultDataSerializer()
{
var data = new TestModel
{
A = 10,
B = true
};
var cloudEvent = new CloudEvent("source", "type", data);
var serializer = new JsonObjectSerializer(new JsonSerializerOptions
{
Converters = { new CloudEventConverter() }
});
BinaryData serialized = serializer.Serialize(cloudEvent);
CloudEvent deserialized = CloudEvent.ParseEvents(serialized.ToString())[0];
Assert.AreEqual("source", deserialized.Source);
Assert.AreEqual("type", deserialized.Type);
Assert.AreEqual(10, deserialized.Data.ToObjectFromJson <TestModel>().A);
Assert.AreEqual(true, deserialized.Data.ToObjectFromJson <TestModel>().B);
}
public void CanRoundTripWithCustomDataSerializer()
{
var data = new TestModel
{
A = 10,
B = true
};
var dataSerializer = new JsonObjectSerializer(new JsonSerializerOptions
{
PropertyNamingPolicy = JsonNamingPolicy.CamelCase
});
var cloudEvent = new CloudEvent("source", "type", dataSerializer.Serialize(data), "custom", CloudEventDataFormat.Json);
var serializer = new JsonObjectSerializer();
BinaryData serialized = serializer.Serialize(cloudEvent);
CloudEvent deserialized = CloudEvent.ParseEvents(serialized.ToString())[0];
Assert.AreEqual("source", deserialized.Source);
Assert.AreEqual("type", deserialized.Type);
Assert.AreEqual(10, deserialized.Data.ToObject <TestModel>(dataSerializer).A);
Assert.AreEqual(true, deserialized.Data.ToObject <TestModel>(dataSerializer).B);
}
public void CanParseMultipleMissingRequired(bool skipValidation)
{
// missing Id, Source, SpecVersion
string requestContent = "[{ \"subject\": \"Subject-0\", \"data\": { \"itemSku\": \"512d38b6-c7b8-40c8-89fe-f46f9e9622b6\", \"itemUri\": \"https://rp-eastus2.eventgrid.azure.net:553/eventsubscriptions/estest/validate?id=B2E34264-7D71-453A-B5FB-B62D0FDC85EE&t=2018-04-26T20:30:54.4538837Z&apiVersion=2018-05-01-preview&token=1BNqCxBBSSE9OnNSfZM4%2b5H9zDegKMY6uJ%2fO2DFRkwQ%3d\" }}, { \"subject\": \"Subject-0\", \"data\": { \"itemSku\": \"512d38b6-c7b8-40c8-89fe-f46f9e9622b6\", \"itemUri\": \"https://rp-eastus2.eventgrid.azure.net:553/eventsubscriptions/estest/validate?id=B2E34264-7D71-453A-B5FB-B62D0FDC85EE&t=2018-04-26T20:30:54.4538837Z&apiVersion=2018-05-01-preview&token=1BNqCxBBSSE9OnNSfZM4%2b5H9zDegKMY6uJ%2fO2DFRkwQ%3d\" }}]";
if (!skipValidation)
{
Assert.That(
() => CloudEvent.ParseEvents(requestContent, skipValidation),
Throws.InstanceOf <ArgumentException>());
}
else
{
CloudEvent[] events = CloudEvent.ParseEvents(requestContent, skipValidation);
foreach (CloudEvent cloudEvent in events)
{
Assert.IsNull(cloudEvent.Id);
Assert.IsNull(cloudEvent.Source);
Assert.IsNull(cloudEvent.Type);
Assert.AreEqual("Subject-0", cloudEvent.Subject);
}
}
}
