90 lines
2.1 KiB
Go
90 lines
2.1 KiB
Go
package engine
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import (
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"context"
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"testing"
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"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/shard"
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"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/util/logicerr"
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"git.frostfs.info/TrueCloudLab/hrw"
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"github.com/stretchr/testify/require"
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)
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func TestRemoveShard(t *testing.T) {
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const numOfShards = 6
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te := testNewEngine(t).setShardsNum(t, numOfShards)
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e, ids := te.engine, te.shardIDs
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defer func() { require.NoError(t, e.Close(context.Background())) }()
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require.Equal(t, numOfShards, len(e.shardPools))
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require.Equal(t, numOfShards, len(e.shards))
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removedNum := numOfShards / 2
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mSh := make(map[string]bool, numOfShards)
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for i, id := range ids {
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if i == removedNum {
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break
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}
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mSh[id.String()] = true
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}
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for id, remove := range mSh {
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if remove {
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e.removeShards(id)
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}
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}
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require.Equal(t, numOfShards-removedNum, len(e.shardPools))
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require.Equal(t, numOfShards-removedNum, len(e.shards))
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for id, removed := range mSh {
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_, ok := e.shards[id]
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require.True(t, ok != removed)
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}
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}
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func TestDisableShards(t *testing.T) {
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t.Parallel()
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const numOfShards = 2
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te := testNewEngine(t).setShardsNum(t, numOfShards)
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e, ids := te.engine, te.shardIDs
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defer func() { require.NoError(t, e.Close(context.Background())) }()
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require.ErrorAs(t, e.DetachShards(ids), new(logicerr.Logical))
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require.ErrorAs(t, e.DetachShards(nil), new(logicerr.Logical))
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require.ErrorAs(t, e.DetachShards([]*shard.ID{}), new(logicerr.Logical))
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require.NoError(t, e.DetachShards([]*shard.ID{ids[0]}))
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require.Equal(t, 1, len(e.shards))
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}
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func TestSortShardsByWeight(t *testing.T) {
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t.Parallel()
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const numOfShards = 500
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var shards1 []hashedShard
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var weights1 []float64
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var shards2 []hashedShard
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for i := 0; i < numOfShards; i++ {
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shards1 = append(shards1, hashedShard{
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hash: uint64(i),
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})
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weights1 = append(weights1, 0)
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shards2 = append(shards2, hashedShard{
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hash: uint64(i),
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})
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}
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hrw.SortHasherSliceByWeightValue(shards1, weights1, 0)
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hrw.SortHasherSliceByValue(shards2, 0)
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require.Equal(t, shards1, shards2)
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}
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