public void File_Save_Is_Not_Lossy()
{
using (var conn = Mongo.Create(TestHelper.ConnectionString()))
{
var ms = new MemoryStream(8000000);//about 8MB.
for (int i = 0; i < 2000000; i++)
{
ms.Write(BitConverter.GetBytes(i), 0, 4);
}
var gridFS = conn.Database.Files();
var file = new GridFile();
file.ContentType = "application/unknown";
file.FileName = "Random_File_Test" + Guid.NewGuid().ToString();
file.Aliases = new String[] { "Alpha", "Bravo", "Delta", "Echo" };
file.Content = ms.ToArray();
gridFS.Save(file);
var file2 = gridFS.FindOne(new { _id = file.Id });
Assert.Equal(file.Id, file2.Id);
Assert.Equal(file.MD5Checksum, file2.MD5Checksum);
Assert.Equal(file.ContentType, file2.ContentType);
//Mongo stores dates as long, therefore, we have to use double->long rounding.
Assert.Equal((long)((file.UploadDate - DateTime.MinValue)).TotalMilliseconds,
(long)(file2.UploadDate - DateTime.MinValue).TotalMilliseconds);
Assert.True(file.Aliases.SequenceEqual(file2.Aliases));
Assert.True(file.Content.SequenceEqual(file2.Content));
}
}
public void Save(GridFile file)
{
this.FileSummaries.Save(file);
this.FileChunks.Delete(new { _id = file.Id });
if (file.CachedChunks.Any())
{
this.FileChunks.Insert(file.CachedChunks);
}
}
public void Delete_Should_Remove_FileChunks()
{
using (var conn = Mongo.Create(TestHelper.ConnectionString()))
{
var ms = new MemoryStream(50000);
for (int i = 0; i < 2000; i++)
{
ms.Write(BitConverter.GetBytes(i), 0, 4);
}
var gridFS = conn.Database.Files();
var file = new GridFile();
file.ContentType = "application/unknown";
file.FileName = "test.raw";
file.Content = ms.ToArray();
gridFS.Save(file);
gridFS.Delete(file.Id);
Assert.Equal(0, conn.Database.GetCollection<FileChunk>("chunks").GetCollectionStatistics().Count);
}
}
public void File_Delete_Works()
{
using (var conn = Mongo.Create(TestHelper.ConnectionString()))
{
var ms = new MemoryStream(50000);
for (int i = 0; i < 2000; i++)
{
ms.Write(BitConverter.GetBytes(i), 0, 4);
}
var gridFS = conn.Database.Files();
var file = new GridFile();
file.ContentType = "application/unknown";
file.FileName = "Random_File_Test" + Guid.NewGuid().ToString();
file.Aliases = new String[] { "Alpha", "Bravo", "Delta", "Echo" };
file.Content = ms.ToArray();
gridFS.Save(file);
var file2 = gridFS.FindOne(new { _id = file.Id });
Assert.NotNull(file2);
gridFS.Delete(file2.Id);
file2 = gridFS.FindOne(new { _id = file.Id });
Assert.Null(file2);
}
}
public void File_Save_Should_Replace_Old_Content()
{
using (var conn = Mongo.Create(TestHelper.ConnectionString()))
{
var gridFS = conn.Database.Files();
var file = new GridFile
{
ContentType = "application/unknown",
FileName = "test.raw",
Content = new byte[] { 1, 2, 3 }
};
gridFS.Save(file);
file.Content = new byte[] { 3, 2, 1 };
gridFS.Save(file);
Assert.Equal(new byte[] { 3, 2, 1 }, gridFS.FindOne(new { _id = file.Id }).Content.ToArray());
}
}
