44 lines
862 B
Go
44 lines
862 B
Go
package engine
|
|
|
|
import (
|
|
"context"
|
|
"testing"
|
|
|
|
"github.com/stretchr/testify/require"
|
|
)
|
|
|
|
func TestRemoveShard(t *testing.T) {
|
|
const numOfShards = 6
|
|
|
|
te := testNewEngine(t).setShardsNum(t, numOfShards)
|
|
e, ids := te.engine, te.shardIDs
|
|
defer func() { require.NoError(t, e.Close(context.Background())) }()
|
|
|
|
require.Equal(t, numOfShards, len(e.shardPools))
|
|
require.Equal(t, numOfShards, len(e.shards))
|
|
|
|
removedNum := numOfShards / 2
|
|
|
|
mSh := make(map[string]bool, numOfShards)
|
|
for i, id := range ids {
|
|
if i == removedNum {
|
|
break
|
|
}
|
|
|
|
mSh[id.String()] = true
|
|
}
|
|
|
|
for id, remove := range mSh {
|
|
if remove {
|
|
e.removeShards(id)
|
|
}
|
|
}
|
|
|
|
require.Equal(t, numOfShards-removedNum, len(e.shardPools))
|
|
require.Equal(t, numOfShards-removedNum, len(e.shards))
|
|
|
|
for id, removed := range mSh {
|
|
_, ok := e.shards[id]
|
|
require.True(t, ok != removed)
|
|
}
|
|
}
|