112 lines
2.8 KiB
Go
112 lines
2.8 KiB
Go
// Copyright (C) 2019 Storj Labs, Inc.
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// See LICENSE for copying information.
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package pieces_test
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import (
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"bytes"
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"io"
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"testing"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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"go.uber.org/zap/zaptest"
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"storj.io/storj/internal/testcontext"
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"storj.io/storj/internal/testidentity"
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"storj.io/storj/internal/testrand"
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"storj.io/storj/pkg/pkcrypto"
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"storj.io/storj/pkg/storj"
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"storj.io/storj/storage/filestore"
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"storj.io/storj/storagenode/pieces"
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)
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func TestPieces(t *testing.T) {
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ctx := testcontext.New(t)
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defer ctx.Cleanup()
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dir, err := filestore.NewDir(ctx.Dir("pieces"))
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require.NoError(t, err)
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blobs := filestore.New(dir)
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defer ctx.Check(blobs.Close)
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store := pieces.NewStore(zaptest.NewLogger(t), blobs)
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satelliteID := testidentity.MustPregeneratedSignedIdentity(0, storj.LatestIDVersion()).ID
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pieceID := storj.NewPieceID()
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source := testrand.Bytes(8000)
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{ // write data
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writer, err := store.Writer(ctx, satelliteID, pieceID)
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require.NoError(t, err)
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n, err := io.Copy(writer, bytes.NewReader(source))
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require.NoError(t, err)
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assert.Equal(t, len(source), int(n))
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assert.Equal(t, len(source), int(writer.Size()))
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// verify hash
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hash := pkcrypto.NewHash()
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_, _ = hash.Write(source)
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assert.Equal(t, hash.Sum(nil), writer.Hash())
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// commit
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require.NoError(t, writer.Commit(ctx))
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// after commit we should be able to call cancel without an error
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require.NoError(t, writer.Cancel(ctx))
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}
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{ // valid reads
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read := func(offset, length int64) []byte {
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reader, err := store.Reader(ctx, satelliteID, pieceID)
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require.NoError(t, err)
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pos, err := reader.Seek(offset, io.SeekStart)
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require.NoError(t, err)
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require.Equal(t, offset, pos)
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data := make([]byte, length)
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n, err := io.ReadFull(reader, data)
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require.NoError(t, err)
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require.Equal(t, int(length), n)
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require.NoError(t, reader.Close())
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return data
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}
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require.Equal(t, source[10:11], read(10, 1))
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require.Equal(t, source[10:1010], read(10, 1000))
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require.Equal(t, source, read(0, int64(len(source))))
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}
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{ // test delete
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assert.NoError(t, store.Delete(ctx, satelliteID, pieceID))
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// read should now fail
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_, err := store.Reader(ctx, satelliteID, pieceID)
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assert.Error(t, err)
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}
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{ // write cancel
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cancelledPieceID := storj.NewPieceID()
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writer, err := store.Writer(ctx, satelliteID, cancelledPieceID)
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require.NoError(t, err)
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n, err := io.Copy(writer, bytes.NewReader(source))
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require.NoError(t, err)
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assert.Equal(t, len(source), int(n))
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assert.Equal(t, len(source), int(writer.Size()))
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// cancel writing
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require.NoError(t, writer.Cancel(ctx))
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// commit should not fail
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require.Error(t, writer.Commit(ctx))
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// read should fail
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_, err = store.Reader(ctx, satelliteID, cancelledPieceID)
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assert.Error(t, err)
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}
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}
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