public void WriterReadSingleVersion()
{
TimeRunner.Run(async(time, th) =>
{
var dir = new FakeDirectory(th);
var writer = new Data.Writer(th, dir);
var reader = new Data.Reader(th, dir);
Assert.Empty(await(await reader.ReadAsync().ConfigureAwait(th)).ToArray().ConfigureAwait(th));
await writer.AppendAsync(new Data(1, 2, 3)).ConfigureAwait(th);
Assert.Equal(new [] { new Data(1, 2, 3) }, await(await reader.ReadAsync().ConfigureAwait(th)).ToArray().ConfigureAwait(th));
await writer.AppendAsync(new Data(4, 5, 6)).ConfigureAwait(th);
Assert.Equal(new [] { new Data(1, 2, 3), new Data(4, 5, 6) }, await(await reader.ReadAsync().ConfigureAwait(th)).ToArray().ConfigureAwait(th));
Assert.Single(await dir.ListFilesAsync().ConfigureAwait(th));
});
}
public void ReadThreeVersions()
{
TimeRunner.Run(async(time, th) =>
{
var(dir, expected) = BuildData(th);
var reader = new Data.Reader(th, dir);
var data = await(await reader.ReadAsync().ConfigureAwait(th)).ToArray().ConfigureAwait(th);
Assert.Equal(expected, data);
});
}
public void AddEntries()
{
TimeRunner.Run(async(time, th) =>
{
const string filename = "data.seqid.00000001.version.1.elementsize.8.datastore";
var e = Bits.Empty;
var idBits = e.Concat(ImmutableArray.Create(DataStore.ID_BYTE_1, DataStore.ID_BYTE_2));
var data = e.Concat(idBits).Concat(e.AddInt(100).AddFletcher16);
var dir = new FakeDirectory(th);
var reader = new Data.Reader(th, dir);
Assert.Empty(await(await reader.ReadAsync().ConfigureAwait(th)).ToArray().ConfigureAwait(th));
await dir.AppendAsync(filename, data);
Assert.Equal(1, await reader.CountAsync().ConfigureAwait(th));
Assert.Single(await(await reader.ReadAsync().ConfigureAwait(th)).ToArray().ConfigureAwait(th));
await dir.AppendAsync(filename, data);
Assert.Equal(2, await reader.CountAsync().ConfigureAwait(th));
Assert.Equal(2, (await(await reader.ReadAsync().ConfigureAwait(th)).ToArray().ConfigureAwait(th)).Count());
});
}
public void ReadEmpty()
{
TimeRunner.Run(async(time, th) =>
{
var dir = new FakeDirectory(th);
var reader = new Data.Reader(th, dir);
var data = await(await reader.ReadAsync().ConfigureAwait(th)).ToArray().ConfigureAwait(th);
Assert.Empty(data);
});
}
public void WriterWithPreviousVersion()
{
TimeRunner.Run(async(time, th) =>
{
var idBits = ImmutableArray.Create(DataStore.ID_BYTE_1, DataStore.ID_BYTE_2);
var dir = new FakeDirectory(th,
("data.seqid.00000001.version.1.elementsize.8.datastore", Bits.Empty.Concat(idBits).Concat(Bits.Empty.AddInt(1).AddFletcher16))
);
var writer = new Data.Writer(th, dir);
var reader = new Data.Reader(th, dir);
Assert.Equal(new [] { new Data(1, null, null) }, await(await reader.ReadAsync().ConfigureAwait(th)).ToArray().ConfigureAwait(th));
await writer.AppendAsync(new Data(4, 5, 6)).ConfigureAwait(th);
Assert.Equal(new [] { new Data(1, null, null), new Data(4, 5, 6) }, await(await reader.ReadAsync().ConfigureAwait(th)).ToArray().ConfigureAwait(th));
});
}
public void ReadPartial()
{
TimeRunner.Run(async(time, th) =>
{
var(dir, expected) = BuildData(th);
var reader = new Data.Reader(th, dir);
async Task <Data[]> Read(int from, int to) =>
await(await reader.ReadAsync(from, to).ConfigureAwait(th)).ToArray().ConfigureAwait(th);
for (int start = 0; start < 5; start++)
{
for (int end = start; end < 5; end++)
{
Assert.Equal(expected.Skip(start).Take(end - start).ToArray(), await Read(start, end).ConfigureAwait(th));
}
}
});
}