public void PartitionFile(string logfileName)
{
long partitionSize = 1024 * 1024;
var logPath = TestDataHelper.GetResourcePath(logfileName);
string rootLogDirectory = TestDataHelper.GetDataDirectory();
LogFileContext context = new LogFileContext(logPath, rootLogDirectory);
FilePartitioner partitioner = new FilePartitioner(context, partitionSize);
var partitions = partitioner.PartitionFile();
partitions.Count.Should().Be(5);
}
public void HugeFile()
{
var compressedExtension = ".gzt";
var decompressedExtension = ".1";
var performance = new PerformanceCounter("Memory", "Available MBytes");
var memory = (long)performance.NextValue();
var size = memory * 2 * MB;
Debug.WriteLine($"Generating file with size {size/MB} MB.");
string path = Path.Combine(Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location), $"{Path.GetTempPath()}\\gzip\\huge.txt");
GenerateRandomFile(path, size);
var compressor = new Compressor(path, FilePartitioner.GetRecommendedChunkSize(path), path + compressedExtension);
var decompressor = new Decompressor(path + compressedExtension, path + decompressedExtension);
Debug.WriteLine($"Compressing...");
compressor.Compress();
Debug.WriteLine($"Decompressing...");
decompressor.Decompress();
Debug.WriteLine($"Comparing...");
Assert.AreEqual(new FileInfo(path).Length, new FileInfo(path + decompressedExtension).Length);
}
public void GetRecommendedPartitionSize(string fileName)
{
string path = Path.Combine(Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location), $"Resources\\{fileName}");
Assert.AreEqual(new FileInfo(path).Length / Environment.ProcessorCount, FilePartitioner.GetRecommendedChunkSize(path));
}
public void CalculateChunks(string fileName, int maxPartitionSize, int chunksCount)
{
string path = Path.Combine(Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location), $"Resources\\{fileName}");
Assert.AreEqual(chunksCount, FilePartitioner.CalculateChunks(path, maxPartitionSize).Count);
}
