public void ThrowDuringProcessLog_ShutsDownGracefully()
{
var console = new TimesWriteCalledConsole();
var writeThrowingConsole = new WriteThrowingConsole();
var processor = new ConsoleLoggerProcessor(
console,
writeThrowingConsole,
ConsoleLoggerQueueFullMode.Wait,
1024);
var formatter = new SimpleConsoleFormatter(
new TestFormatterOptionsMonitor <SimpleConsoleFormatterOptions>(
new SimpleConsoleFormatterOptions()));
var logger = new ConsoleLogger(_loggerName, processor, formatter, null, new ConsoleLoggerOptions()
{
LogToStandardErrorThreshold = LogLevel.Error
});
Assert.Null(logger.Options.FormatterName);
UpdateFormatterOptions(logger.Formatter, logger.Options);
logger.LogInformation("Process 1st log normally using {DesiredConsole}", nameof(TimesWriteCalledConsole));
logger.LogInformation("Process 2nd log normally using {DesiredConsole}", nameof(TimesWriteCalledConsole));
while (console.TimesWriteCalled != 2)
{
; // wait until the logs are processed
}
Assert.Equal(2, console.TimesWriteCalled);
logger.LogError("Causing exception to throw in {ClassName} using {DesiredConsole}", nameof(ConsoleLoggerProcessor), nameof(WriteThrowingConsole));
logger.LogInformation("After the write logic threw exception, {ClassName} stopped gracefully, no longer processing next logs", nameof(ConsoleLoggerProcessor));
Assert.Equal(2, console.TimesWriteCalled);
}
public void CheckForNotificationWhenQueueIsFull(bool okToDrop)
{
// Arrange
var sink = new ConsoleSink();
var console = new TestConsole(sink);
var errorConsole = new TimesWriteCalledConsole();
string queueName = nameof(CheckForNotificationWhenQueueIsFull) + (okToDrop ? "InDropWriteMode" : "InWaitMode");
var fullMode = okToDrop ? ConsoleLoggerQueueFullMode.DropWrite : ConsoleLoggerQueueFullMode.Wait;
var processor = new ConsoleLoggerProcessor(console, errorConsole, fullMode, maxQueueLength: 1);
var formatter = new SimpleConsoleFormatter(new TestFormatterOptionsMonitor <SimpleConsoleFormatterOptions>(
new SimpleConsoleFormatterOptions()));
var logger = new ConsoleLogger(_loggerName, processor, formatter, null, new ConsoleLoggerOptions());
Assert.Null(logger.Options.FormatterName);
UpdateFormatterOptions(logger.Formatter, logger.Options);
string messageTemplate = string.Join(", ", Enumerable.Range(1, 100).Select(x => "{A" + x + "}"));
object[] messageParams = Enumerable.Range(1, 100).Select(x => (object)x).ToArray();
// Act
for (int i = 0; i < 20000; i++)
{
logger.LogInformation(messageTemplate, messageParams);
}
// Assert
if (okToDrop)
{
Assert.True(errorConsole.TimesWriteCalled > 0);
}
else
{
Assert.Equal(0, errorConsole.TimesWriteCalled);
}
}
