public async Task Storage_Upload_Download()
{
using (var f = new TempFile())
using (var db = new LiteDatabaseAsync(f.Filename))
//using (var db = new LiteDatabase(@"c:\temp\file.db"))
{
var fs = db.GetStorage <int>("_files", "_chunks");
var small = await fs.UploadAsync(10, "photo_small.png", new MemoryStream(_smallFile));
var big = await fs.UploadAsync(100, "photo_big.png", new MemoryStream(_bigFile));
_smallFile.Length.Should().Be((int)small.Length);
_bigFile.Length.Should().Be((int)big.Length);
var f0 = (await fs.FindAsync(x => x.Filename == "photo_small.png")).First();
var f1 = (await fs.FindAsync(x => x.Filename == "photo_big.png")).First();
this.HashFile(f0.OpenRead()).Should().Be(_smallHash);
this.HashFile(f1.OpenRead()).Should().Be(_bigHash);
// now replace small content with big-content
var repl = await fs.UploadAsync(10, "new_photo.jpg", new MemoryStream(_bigFile));
(await fs.ExistsAsync(10)).Should().BeTrue();
var nrepl = await fs.FindByIdAsync(10);
nrepl.Chunks.Should().Be(repl.Chunks);
// update metadata
await fs.SetMetadataAsync(100, new BsonDocument { ["x"] = 100, ["y"] = 99 });
// find using metadata
var md = (await fs.FindAsync(x => x.Metadata["x"] == 100)).FirstOrDefault();
md.Metadata["y"].AsInt32.Should().Be(99);
}
}
