public void ProcessStream_returns_correct_block_count()
{
MemoryStream stream = GetOriginalFileStream();
var gen = new HashBlockGenerator(new RollingChecksum(), new HashAlgorithmWrapper<MD5>(MD5.Create()), BLOCK_SIZE);
Assert.AreEqual(
Math.Ceiling(originalFile.Length/(float) BLOCK_SIZE),
gen.ProcessStream(stream).Count());
}
public void ProcessStream_returns_hashes_with_correct_md5_sums()
{
MemoryStream stream = GetOriginalFileStream();
var gen = new HashBlockGenerator(new RollingChecksum(), new HashAlgorithmWrapper<MD5>(MD5.Create()), BLOCK_SIZE);
int i = 0;
Assert.IsTrue(gen.ProcessStream(stream).All(x =>
BitConverter.ToString(x.Hash)
.Replace("-", "")
.ToLower()
.Equals(md5sums[i++].ToLower())
));
}
public void ProcessStream_returns_hashes_with_correct_length()
{
MemoryStream stream = GetOriginalFileStream();
var gen = new HashBlockGenerator(new RollingChecksum(), new HashAlgorithmWrapper<MD5>(MD5.Create()), BLOCK_SIZE);
int i = 0;
Assert.IsTrue(gen.ProcessStream(stream).All(x =>
x.Length ==
Math.Min(BLOCK_SIZE, originalFile.Length - i++*BLOCK_SIZE)));
}
public void ProcessStream_throws_for_null_stream()
{
var gen = new HashBlockGenerator(new RollingChecksum(), new HashAlgorithmWrapper<MD5>(MD5.Create()), BLOCK_SIZE);
gen.ProcessStream(null).Count();
}
public void ProcessStream_returns_hashes_with_correct_rolling_sums()
{
MemoryStream stream = GetOriginalFileStream();
var gen = new HashBlockGenerator(new RollingChecksum(), new HashAlgorithmWrapper<MD5>(MD5.Create()), BLOCK_SIZE);
int i = 0;
Assert.IsTrue(gen.ProcessStream(stream).All(x => x.Checksum == checkSums[i++]));
}
