/// <summary>
/// Returns a map of file path to the file data
/// </summary>
/// <param name="vfsroot"></param>
/// <param name="vfsdatastore"></param>
/// <param name="random"></param>
/// <param name="regSizeFileCount"></param>
/// <returns></returns>
public static Dictionary <string, byte[]> AddStandardVFSFiles(
MetadataNode vfsDirectory, BPlusTree <byte[]> vfsdatastore, Random?random = null, int regSizeFileCount = 100)
{
Dictionary <string, byte[]> verifyfilepaths = new();
(byte[] hash, byte[] file) = MakeRandomFile(10_000_000, random); // 10 MB file
AddFileToVFS("big", hash, file);
(hash, file) = MakeRandomFile(0); // Empty file
AddFileToVFS("empty", hash, file);
(hash, file) = MakeRandomFile(1, random); // 1byte file
AddFileToVFS("1b", hash, file);
(hash, file) = MakeRandomFile(2, random); // 2byte file
AddFileToVFS("2b", hash, file);
foreach (var num in Enumerable.Range(0, regSizeFileCount))
{
(hash, file) = MakeRandomFile(5_000, random); // regular size file
AddFileToVFS(String.Format("reg_{0}", num), hash, file);
}
return(verifyfilepaths);
void AddFileToVFS(string path, byte[] filehash, byte[] filedata)
{
new BPlusTree <byte[]>(10).AddOrFind(filehash, filedata);
verifyfilepaths[path] = filehash;
vfsdatastore.AddOrFind(filehash, filedata);
DateTime dateTime = RandomDateTime(random);
string? dirpath = Path.GetDirectoryName(path);
if (dirpath == null)
{
throw new NullReferenceException();
}
vfsDirectory.AddFile(dirpath,
new FileMetadata(Path.GetFileName(path), dateTime, dateTime, dateTime, FileAttributes.Normal, filedata.Length, filehash));
}
}
public void TestAddRemoveFew()
{
var BPTree = new BPlusTree <BlobLocation>(100);
var testblob1 = new BlobLocation(null, "somewhere1", 0);
BlobLocation bl2 = new BlobLocation(null, "somewhere2", 4);
BlobLocation bl3 = new BlobLocation(new byte[][] { new byte[] { 1, 2 }, new byte[] { 1, 0 } }.ToList());
BlobLocation bl4 = new BlobLocation();
var rng = new Random();
var testkey1 = new byte[20];
rng.NextBytes(testkey1);
byte[] key2 = new byte[20];
rng.NextBytes(key2);
byte[] key3 = new byte[20];
rng.NextBytes(key3);
byte[] key4 = new byte[20];
rng.NextBytes(key4);
byte[] key5 = new byte[20];
rng.NextBytes(key5);
BPTree.AddOrFind(testkey1, testblob1);
BPTree.AddOrFind(key2, bl2);
BPTree.AddOrFind(key3, bl3);
BPTree.AddOrFind(key4, bl4);
BPTree.AddOrFind(key5, bl4);
BPTree.AddOrFind(testkey1, testblob1);
List <KeyValuePair <byte[], BlobLocation> > treecontents1 = new List <KeyValuePair <byte[], BlobLocation> >(BPTree);
BPTree.Remove(testkey1);
List <KeyValuePair <byte[], BlobLocation> > treecontents2 = new List <KeyValuePair <byte[], BlobLocation> >(BPTree);
BPTree.AddOrFind(testkey1, testblob1);
List <KeyValuePair <byte[], BlobLocation> > treecontents3 = new List <KeyValuePair <byte[], BlobLocation> >(BPTree);
Assert.IsFalse(TreeContentsMatch(treecontents1, treecontents2));
Assert.IsTrue(TreeContentsMatch(treecontents1, treecontents3));
}
