public void ExceptionMustBeLogged()
{
var actual = "";
Exception exc;
using var formatMiddleware = new JsonFormatMiddleware
{
NextMiddleware = new MiddlewareMock(msg =>
{
actual = msg.Message;
})
};
try
{
throw new Exception("No CD-ROM / cup holder available");
}
catch (Exception ex)
{
exc = ex;
}
var message = new LogMessage
{
DateTime = DateTime.Parse("2019-05-12T18:02:50.6571583+02:00"),
LogLevel = LogLevel.Info,
Category = typeof(LogMessage).FullName,
State = null,
RawMessage = "some stuff happened {count:D3} times",
Exception = exc,
RawArguments = Array.Empty <object>(),
Arguments = new List <KeyValuePair <string, object> >
{
new KeyValuePair <string, object>("count", 10),
new KeyValuePair <string, object>("count", 10)
}
};
formatMiddleware.Execute(new[] { message });
var expectedToFind = "No CD-ROM / cup holder available";
Assert.Contains(expectedToFind, actual);
expectedToFind = "\"ExceptionIsValid\":true";
Assert.Contains(expectedToFind, actual);
}
public void MiddlewareMustProduceValidJson()
{
var actual = "";
using var formatMiddleware = new JsonFormatMiddleware
{
NextMiddleware = new MiddlewareMock(msg =>
{
actual = msg.Message;
})
};
var dateTime = DateTime.Parse("2019-05-12T18:02:50.6571583+02:00");
var message = new LogMessage
{
DateTime = dateTime,
LogLevel = LogLevel.Info,
Category = typeof(LogMessage).FullName,
State = null,
RawMessage = "some stuff happened {count:D3} times",
Exception = null,
RawArguments = Array.Empty <object>(),
Arguments = new List <KeyValuePair <string, object> >
{
new KeyValuePair <string, object>("count", 10),
new KeyValuePair <string, object>("count", 10)
}
};
formatMiddleware.Execute(new[] { message });
var expected = "{\"DateTime\":\"" + dateTime.ToString("o") + "\",\"LogLevel\":2,\"Category\":\"Najlot.Log.LogMessage\",\"State\":null,\"RawMessage\":\"some stuff happened {count:D3} times\",\"Message\":\"some stuff happened 010 times\",\"Exception\":null,\"ExceptionIsValid\":false,\"Arguments\":[{\"Key\":\"count\",\"Value\":\"10\"},{\"Key\":\"count\",\"Value\":\"10\"}]}";
Assert.Equal(expected, actual);
}