public void Error_LogAnonymousObjectOnEnabledLevel_LogsMessage()
{
var logger = new TestableLogger(Level.Error, _output);
int number = Factory.GetInteger();
LoggerExtensions.Error(logger, new { message = "Hello", number });
Assert.Equal($"ERROR: {{\"message\":\"Hello\",\"number\":{number}}}", logger.Messages.First());
}
public void Error_LogAnonymousObjectOnEnabledLevel_VerifyLog()
{
var logMock = new Mock <ILogger>();
int number = Factory.GetInteger();
LoggerExtensions.Error(logMock.Object, new { message = "Hello", number });
logMock.VerifyLog <object>(Level.Error, Times.Once());
}
public void Error_LogAnonymousObjectAndExceptionOnEnabledLevel_VerifyLog()
{
var logMock = new Mock <ILogger>();
int number = Factory.GetInteger();
var exception = new Exception("OMG!");
LoggerExtensions.Error(logMock.Object, new { message = "Hello", number }, exception);
logMock.VerifyLog <object, Exception>(Level.Error, exception, Times.Once());
}
public void Error_LazyLogAnonymousObjectOnEnabledLevel_CallMessageFormatter()
{
var isInvoked = false;
var logger = new TestableLogger(Level.Error, _output);
int state = Factory.GetInteger();
LoggerExtensions.Error(logger, state, number =>
{
isInvoked = true;
return(new { message = "Hello", number });
});
Assert.True(isInvoked);
}
public void Error_LazyLogAnonymousObjectAndExceptionOnDisabledLevel_DoesNotCallMessageFormatter()
{
var isInvoked = false;
var logger = new TestableLogger(Level.Critical, _output);
int state = Factory.GetInteger();
LoggerExtensions.Error(logger, state, new Exception("OMG!"), (number, ex) =>
{
isInvoked = true;
return(new { message = "Hello", number });
});
Assert.False(isInvoked);
}