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package common
import (
"testing"
"github.com/dexon-foundation/dexon/common"
"github.com/dexon-foundation/dexon/core/state"
"github.com/dexon-foundation/dexon/core/vm/sqlvm/schema"
"github.com/dexon-foundation/dexon/ethdb"
"github.com/stretchr/testify/suite"
)
type StorageIndexTestSuite struct {
suite.Suite
storage *Storage
contract common.Address
}
func (s *StorageIndexTestSuite) SetupTest() {
db := ethdb.NewMemDatabase()
state, _ := state.New(common.Hash{}, state.NewDatabase(db))
s.storage = NewStorage(state)
s.contract = common.BytesToAddress([]byte("5566"))
}
func (s *StorageIndexTestSuite) TestPV() {
table := schema.TableRef(0)
index := schema.IndexRef(0)
testcases := [][][]byte{
{[]byte("a"), []byte("b")},
{[]byte("a"), []byte("b"), []byte("c")},
{[]byte("hello"), []byte("world")},
}
for i := range testcases {
loc := s.storage.StorePV(s.contract, table, index, testcases[i]...)
s.Require().Equal(testcases[i], s.storage.LoadPV(s.contract, loc))
}
}
func (s *StorageIndexTestSuite) TestIndexValues() {
addrs := []common.Hash{
common.Hash{1},
common.Hash{2},
}
table := schema.TableRef(0)
index := schema.IndexRef(0)
indexValues := s.storage.LoadIndexValues(s.contract, table, index, true)
var check *IndexValues
// Test header store / load.
s.Require().Equal(uint64(0), indexValues.Length)
indexValues.Length = uint64(len(addrs))
indexValues.StoreHeader()
check = s.storage.LoadIndexValues(s.contract, table, index, true)
s.Require().Equal(indexValues.Length, check.Length)
// Test record store / load.
for i := range addrs {
indexValues.Store(uint64(i), addrs[i])
s.Require().Equal(addrs[i], indexValues.Load(uint64(i)))
}
// Test LoadValues.
s.Require().Nil(indexValues.ValueHashes)
indexValues.LoadValues()
s.Require().Equal(addrs, indexValues.ValueHashes)
// Check all data again with LoadIndexValues.
check = s.storage.LoadIndexValues(s.contract, table, index, false)
s.Require().Equal(indexValues.Length, check.Length)
s.Require().Equal(addrs, check.ValueHashes)
}
func (s *StorageIndexTestSuite) TestIndexEntry() {
ids := []uint64{1, 2}
table := schema.TableRef(0)
index := schema.IndexRef(0)
value := [][]byte{[]byte("a"), []byte("b")}
entry := s.storage.LoadIndexEntry(s.contract, table, index, true, value...)
var check *IndexEntry
// Test header store / load.
s.Require().Equal(uint64(0), entry.Length)
entry.Length = uint64(len(ids))
entry.IndexToValuesOffset = uint64(1)
entry.ForeignKeyRefCount = uint64(2)
entry.StoreHeader()
check = s.storage.LoadIndexEntry(s.contract, table, index, true, value...)
s.Require().Equal(entry.Length, check.Length)
s.Require().Equal(entry.IndexToValuesOffset, check.IndexToValuesOffset)
s.Require().Equal(entry.ForeignKeyRefCount, check.ForeignKeyRefCount)
// Test record store / load.
for i := range ids {
entry.Store(uint64(i), ids[i])
s.Require().Equal(ids[i], entry.Load(uint64(i)))
}
// Test LoadRowIDs.
s.Require().Nil(entry.RowIDs)
entry.LoadRowIDs()
s.Require().Equal(ids, entry.RowIDs)
// Check all data again with LoadIndexEntry.
check = s.storage.LoadIndexEntry(s.contract, table, index, false, value...)
s.Require().Equal(entry.Length, check.Length)
s.Require().Equal(entry.IndexToValuesOffset, check.IndexToValuesOffset)
s.Require().Equal(entry.ForeignKeyRefCount, check.ForeignKeyRefCount)
s.Require().Equal(ids, check.RowIDs)
}
func (s *StorageIndexTestSuite) TestIndexRowIDRev() {
offsets := []uint64{1, 2}
table := schema.TableRef(0)
rowid := uint64(0)
rev := s.storage.newIndexRowIDRev(s.contract, table, rowid)
for i := range offsets {
rev.Store(schema.IndexRef(i), offsets[i])
}
for i := range offsets {
s.Require().Equal(offsets[i], rev.Load(schema.IndexRef(i)))
}
}
func TestStorageIndex(t *testing.T) {
suite.Run(t, new(StorageIndexTestSuite))
}
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