prysm-pulse/beacon-chain/db/kv/migration_block_slot_index_test.go
Mohamed Zahoor 0d818a5709
Reduce memory overhead during DB migrations (#9298)
* wip

* migration happening

* wip

* fix memory utilization, add the testcases

* migration issues

* the gazel

* remove debug logging

* goimport

* gazel
2021-07-30 08:38:54 -05:00

66 lines
1.8 KiB
Go

package kv
import (
"context"
"testing"
"github.com/prysmaticlabs/prysm/shared/bytesutil"
"github.com/prysmaticlabs/prysm/shared/testutil/assert"
"go.etcd.io/bbolt"
)
func Test_migrateBlockSlotIndex(t *testing.T) {
tests := []struct {
name string
setup func(t *testing.T, db *bbolt.DB)
eval func(t *testing.T, db *bbolt.DB)
}{
{
name: "only runs once",
setup: func(t *testing.T, db *bbolt.DB) {
err := db.Update(func(tx *bbolt.Tx) error {
if err := tx.Bucket(blockSlotIndicesBucket).Put([]byte("2048"), []byte("foo")); err != nil {
return err
}
return tx.Bucket(migrationsBucket).Put(migrationBlockSlotIndex0Key, migrationCompleted)
})
assert.NoError(t, err)
},
eval: func(t *testing.T, db *bbolt.DB) {
err := db.View(func(tx *bbolt.Tx) error {
v := tx.Bucket(blockSlotIndicesBucket).Get([]byte("2048"))
assert.DeepEqual(t, []byte("foo"), v, "Did not receive correct data for key 2048")
return nil
})
assert.NoError(t, err)
},
},
{
name: "migrates and deletes entries",
setup: func(t *testing.T, db *bbolt.DB) {
err := db.Update(func(tx *bbolt.Tx) error {
return tx.Bucket(blockSlotIndicesBucket).Put([]byte("2048"), []byte("foo"))
})
assert.NoError(t, err)
},
eval: func(t *testing.T, db *bbolt.DB) {
err := db.View(func(tx *bbolt.Tx) error {
k := uint64(2048)
v := tx.Bucket(blockSlotIndicesBucket).Get(bytesutil.Uint64ToBytesBigEndian(k))
assert.DeepEqual(t, []byte("foo"), v, "Did not receive correct data for key %d", k)
return nil
})
assert.NoError(t, err)
},
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
db := setupDB(t).db
tt.setup(t, db)
assert.NoError(t, migrateBlockSlotIndex(context.Background(), db), "migrateBlockSlotIndex(tx) error")
tt.eval(t, db)
})
}
}