public void GenerateMessageId_TestLength()
{
const int expectedLength = 8;
var actual = GelfUdpAppender.GenerateMessageId();
Assert.AreEqual(actual.Length, expectedLength);
}
public void CreateChunkedMessagePart_EndsWithIndexAndCount()
{
// Arrange
byte[] messageId = Encoding.UTF8.GetBytes("A1B2C3D4");
int index = 1;
int chunkCount = 2;
// Act
byte[] result = GelfUdpAppender.CreateChunkedMessagePart(messageId, index, chunkCount);
// Assert
Assert.That(result[10], Is.EqualTo(index));
Assert.That(result[11], Is.EqualTo(chunkCount));
}
public void CreateChunkedMessagePart_StartsWithCorrectHeader()
{
// Arrange
byte[] messageId = Encoding.UTF8.GetBytes("A1B2C3D4");
int index = 1;
int chunkCount = 1;
// Act
byte[] result = GelfUdpAppender.CreateChunkedMessagePart(messageId, index, chunkCount);
// Assert
Assert.That(result[0], Is.EqualTo(30));
Assert.That(result[1], Is.EqualTo(15));
}
public void GenerateMessageId_NoCollision()
{
// Arrange
int maxIterations = 10000;
var generatedIds = new Dictionary <long, long>();
// Act
for (var i = 0; i < maxIterations; i++)
{
var id = BitConverter.ToInt64(GelfUdpAppender.GenerateMessageId(), 0);
generatedIds.Add(id, id);
}
// Assert
Assert.That(generatedIds.Count, Is.EqualTo(maxIterations));
}
public void CreateChunkedMessagePart_ContainsMessageId()
{
// Arrange
byte[] messageId = Encoding.UTF8.GetBytes("A1B2C3D4");
int index = 1;
int chunkCount = 1;
// Act
byte[] result = GelfUdpAppender.CreateChunkedMessagePart(messageId, index, chunkCount);
// Assert
Assert.That(result[2], Is.EqualTo((int)'A'));
Assert.That(result[3], Is.EqualTo((int)'1'));
Assert.That(result[4], Is.EqualTo((int)'B'));
Assert.That(result[5], Is.EqualTo((int)'2'));
Assert.That(result[6], Is.EqualTo((int)'C'));
Assert.That(result[7], Is.EqualTo((int)'3'));
Assert.That(result[8], Is.EqualTo((int)'D'));
Assert.That(result[9], Is.EqualTo((int)'4'));
}
