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[#205] object: Initial EC implementation

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Signed-off-by: Evgenii Stratonikov <e.stratonikov@yadro.com>
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Evgenii Stratonikov 2024-02-28 14:51:48 +03:00 • committed by Evgenii Stratonikov
parent e9be3e6d94
commit bd2d350b09
12 changed files with 933 additions and 0 deletions
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36
object/erasurecode/split_test.go Normal file
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package erasurecode_test
import (
"testing"
"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object/erasurecode"
"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
"github.com/stretchr/testify/require"
)
// The library can behave differently for big shard counts.
// This test checks we support the maximum number of chunks we promise.
func TestSplitMaxShardCount(t *testing.T) {
pk, err := keys.NewPrivateKey()
require.NoError(t, err)
original := newObject(t, 1024, pk)
t.Run("only data", func(t *testing.T) {
c, err := erasurecode.NewConstructor(erasurecode.MaxShardCount, 0)
require.NoError(t, err)
parts, err := c.Split(original, &pk.PrivateKey)
require.NoError(t, err)
require.Len(t, parts, erasurecode.MaxShardCount)
})
t.Run("data + parity", func(t *testing.T) {
c, err := erasurecode.NewConstructor(1, erasurecode.MaxShardCount-1)
require.NoError(t, err)
parts, err := c.Split(original, &pk.PrivateKey)
require.NoError(t, err)
require.Len(t, parts, erasurecode.MaxShardCount)
})
}