add test cases

This commit is contained in:
Roy Crihfield 2022-02-22 16:13:29 +08:00
parent ff21f3cbcb
commit 87c5033edf

View File

@ -1,9 +1,15 @@
package iterator_test package iterator_test
import ( import (
"bytes"
"fmt"
"testing" "testing"
"github.com/ethereum/go-ethereum/core/rawdb"
"github.com/ethereum/go-ethereum/core/state"
iter "github.com/vulcanize/go-eth-state-node-iterator" iter "github.com/vulcanize/go-eth-state-node-iterator"
fixt "github.com/vulcanize/go-eth-state-node-iterator/fixture"
) )
func TestMakePaths(t *testing.T) { func TestMakePaths(t *testing.T) {
@ -18,3 +24,76 @@ func TestMakePaths(t *testing.T) {
} }
} }
} }
func TestIterator(t *testing.T) {
edb, err := rawdb.NewLevelDBDatabaseWithFreezer(
fixt.ChainDataPath, 1024, 256, fixt.AncientDataPath,
"eth-pg-ipfs-state-snapshot", false,
)
if err != nil {
t.Fatal(err)
}
defer edb.Close()
height := uint64(1)
hash := rawdb.ReadCanonicalHash(edb, height)
header := rawdb.ReadHeader(edb, hash, height)
if header == nil {
t.Fatalf("unable to read canonical header at height %d", height)
}
sdb := state.NewDatabase(edb)
tree, err := sdb.OpenTrie(header.Root)
if err != nil {
t.Fatal(err)
}
t.Run("in bounds", func(t *testing.T) {
type testCase struct {
lower, upper []byte
}
cases := []testCase{
{nil, []byte{0}},
{[]byte{1}, []byte{2}},
{[]byte{3, 0}, []byte{4, 2, 0}},
{[]byte{5, 6, 9}, []byte{7}},
{[]byte{8}, []byte{8}},
{[]byte{8}, []byte{7}},
}
runCase := func(t *testing.T, tc testCase) {
it := iter.NewPrefixBoundIterator(tree, tc.lower, tc.upper)
for it.Next(true) {
if bytes.Compare(it.Path(), tc.lower) < 0 {
t.Fatalf("iterator outside lower bound: %v", it.Path())
}
if bytes.Compare(tc.upper, it.Path()) <= 0 {
t.Fatalf("iterator outside upper bound: %v", it.Path())
}
}
}
for _, tc := range cases {
t.Run("case", func(t *testing.T) { runCase(t, tc) })
}
})
t.Run("trie is covered", func(t *testing.T) {
allPaths := fixt.Block1_Paths
cases := []uint{1, 2, 4, 8, 16, 32}
runCase := func(t *testing.T, nbins uint) {
iters := iter.SubtrieIterators(tree, nbins)
ix := 0
for b := uint(0); b < nbins; b++ {
it := iters[b]
for ; it.Next(true); ix++ {
if !bytes.Equal(allPaths[ix], it.Path()) {
t.Fatalf("wrong path value\nexpected:\t%v\nactual:\t\t%v",
allPaths[ix], it.Path())
}
}
}
}
for _, tc := range cases {
t.Run(fmt.Sprintf("%d bins", tc), func(t *testing.T) { runCase(t, tc) })
}
})
}