public void Serialize_DeserializeAsRootType_TypeInformationIsPreserved()
{
// Arrange
var sessionId = Guid.NewGuid();
var timestamp = DateTime.UtcNow;
var e = new UserSessionTimeoutEvent
{
Timeout = TimeSpan.FromMinutes(15),
UserId = "The magnificent user",
Timestamp = timestamp,
SessionId = sessionId
};
var expectedEvent = new UserSessionTimeoutEvent
{
Timeout = TimeSpan.FromMinutes(15),
UserId = "The magnificent user",
Timestamp = timestamp,
SessionId = sessionId,
ExtensionData = new ExtensionData() // Nothing unknown
};
// Pre-asert topic
e.Topic.Should().Be("User.Session.Timeout", "topic should be automatically assigned from Topic attributes");
// Act
var serialized = JsonSerializer.Serialize(e, _jsonSerializerOptions);
var deserialized = JsonSerializer.Deserialize <Event>(serialized, _jsonSerializerOptions);
// Assert
deserialized.Should().BeEquivalentTo(expectedEvent, options => options.RespectingRuntimeTypes(), "type information should be preserved when deserializing as root type");
}
public void Serialize_DeserializeAsClosestKnownType_UnknownSubTopicAndMember_TypeInformationIsPreserved_ExtensionDataIsPopulated()
{
// Arrange
var sessionId = Guid.NewGuid();
var timestamp = new DateTime(2020,
1,
13,
14,
44,
27,
987,
DateTimeKind.Utc);
var serialized =
$"{{\"Topic\":\"User.Session.Timeout.Monitored\",\"Monitor\":\"MonitoringSystem\",\"Timeout\":\"00:15:00\",\"SessionId\":\"{sessionId}\",\"UserId\":\"The magnificent user\",\"Timestamp\":\"{timestamp:yyyy-MM-ddTHH:mm:ss.FFFFFFFK}\"}}";
var expectedEvent = new UserSessionTimeoutEvent
{
Topic = "User.Session.Timeout.Monitored",
Timeout = TimeSpan.FromMinutes(15),
UserId = "The magnificent user",
Timestamp = timestamp,
SessionId = sessionId,
ExtensionData = new ExtensionData
{
TypeDescriptor = null, // Represented by Topic
ExtensionMembers =
{
[1] = new ExtensionMember
{
Index = 1,
Name = "Monitor",
Value = "MonitoringSystem"
}
}
}
};
// Act
var deserialized = JsonSerializer.Deserialize <UserSessionTimeoutEvent>(serialized, _jsonSerializerOptions);
var reSerialized = JsonSerializer.Serialize(deserialized, _jsonSerializerOptions);
// Assert
deserialized.Should().BeEquivalentTo(expectedEvent, options => options.RespectingRuntimeTypes(), "type information should be preserved when deserializing as root type");
reSerialized.Should().BeEquivalentTo(serialized, "serialized data should be preserved when re-serializing");
}
