public void MessageSourceRoundtripTest()
{
string json = JsonConvert.SerializeObject(TelemetryMessageSource.Instance);
IMessageSource deserializedMessageSource = JsonConvert.DeserializeObject <CustomMessageSource>(json);
Assert.NotNull(deserializedMessageSource);
Assert.True(TelemetryMessageSource.Instance.Match(deserializedMessageSource));
json = JsonConvert.SerializeObject(ModuleMessageSource.Create("module1"));
deserializedMessageSource = JsonConvert.DeserializeObject <CustomMessageSource>(json);
Assert.NotNull(deserializedMessageSource);
Assert.True(TelemetryMessageSource.Instance.Match(deserializedMessageSource));
json = JsonConvert.SerializeObject(ModuleMessageSource.Create("module1", "output1"));
deserializedMessageSource = JsonConvert.DeserializeObject <CustomMessageSource>(json);
Assert.NotNull(deserializedMessageSource);
Assert.True(TelemetryMessageSource.Instance.Match(deserializedMessageSource));
json = JsonConvert.SerializeObject(TwinChangeEventMessageSource.Instance);
deserializedMessageSource = JsonConvert.DeserializeObject <CustomMessageSource>(json);
Assert.NotNull(deserializedMessageSource);
Assert.True(TwinChangeEventMessageSource.Instance.Match(deserializedMessageSource));
IMessageSource customMessageSource = CustomMessageSource.Create("/messages/modules/ModId1/outputs/Op1");
json = JsonConvert.SerializeObject(customMessageSource);
deserializedMessageSource = JsonConvert.DeserializeObject <CustomMessageSource>(json);
Assert.NotNull(deserializedMessageSource);
Assert.True(customMessageSource.Match(deserializedMessageSource));
}