public void StreamLogWriter_Constructor_AllowsNullEncoding()
{
using (var stream = new System.IO.MemoryStream())
{
var writer = new StreamLogWriter(stream, null, Formatters.SimpleLogEventFormatter.DefaultInstance);
}
}
public async Task WriteLog_EmptyString_ThrowsException()
{
// Arrange
using var memStream = new MemoryStream();
var mockStreamFactory = Mock.Of <IStreamFactory>(sf => sf.GetStream() == memStream);
var sut = new StreamLogWriter(mockStreamFactory);
// Act, Assert
await Assert.ThrowsAsync <ArgumentException>(() => sut.WriteLogAsync(_id, _timeStamp, string.Empty));
}
public void StreamLogWriter_Write_WritesToStream()
{
using (var stream = new System.IO.MemoryStream())
{
var writer = new StreamLogWriter(stream, System.Text.UTF8Encoding.UTF8, Formatters.SimpleLogEventFormatter.DefaultInstance);
var logEvent = new LogEvent()
{
EventName = "Test event."
};
writer.Write(logEvent);
Assert.IsTrue(stream.Length > 0);
stream.Seek(0, System.IO.SeekOrigin.Begin);
var result = System.Text.UTF8Encoding.UTF8.GetString(stream.GetBuffer());
Assert.IsTrue(result.Contains("Test event."));
}
}
public async Task WriteLog_ValidInput_WritesLogEntryToStream()
{
// Arrange
using var memStream = new MemoryStream();
var mockStreamFactory = Mock.Of <IStreamFactory>(sf => sf.GetStream() == memStream);
var sut = new StreamLogWriter(mockStreamFactory);
// Act
await sut.WriteLogAsync(_id, _timeStamp, _message);
var result = Encoding.Default.GetString(memStream.ToArray());
// Assert
Assert.Contains(_id.ToString(), result);
Assert.Contains(_timeStamp.ToString("s"), result);
Assert.Contains(_message.ToString(), result);
}
public void StreamLogWriter_Constructor_ThrowsOnNullStream()
{
var writer = new StreamLogWriter(null, System.Text.UTF8Encoding.UTF8, Formatters.SimpleLogEventFormatter.DefaultInstance);
}