tendermint/state/txindex/kv/kv_test.go

package kv

import (
	"fmt"
	"io/ioutil"
	"os"
	"testing"

	"github.com/stretchr/testify/assert"
	"github.com/stretchr/testify/require"
	abci "github.com/tendermint/abci/types"
	"github.com/tendermint/tendermint/state/txindex"
	"github.com/tendermint/tendermint/types"
	db "github.com/tendermint/tmlibs/db"
	"github.com/tendermint/tmlibs/pubsub/query"
)

func TestTxIndex(t *testing.T) {
	indexer := &TxIndex{store: db.NewMemDB()}

	tx := types.Tx("HELLO WORLD")
	txResult := &types.TxResult{1, 0, tx, abci.ResponseDeliverTx{Data: []byte{0}, Code: abci.CodeType_OK, Log: "", Tags: []*abci.KVPair{}}}
	hash := tx.Hash()

	batch := txindex.NewBatch(1)
	if err := batch.Add(txResult); err != nil {
		t.Error(err)
	}
	err := indexer.AddBatch(batch, []string{})
	require.NoError(t, err)

	loadedTxResult, err := indexer.Get(hash)
	require.NoError(t, err)
	assert.Equal(t, txResult, loadedTxResult)

	tx2 := types.Tx("BYE BYE WORLD")
	txResult2 := &types.TxResult{1, 0, tx2, abci.ResponseDeliverTx{Data: []byte{0}, Code: abci.CodeType_OK, Log: "", Tags: []*abci.KVPair{}}}
	hash2 := tx2.Hash()

	err = indexer.Index(txResult2, []string{})
	require.NoError(t, err)

	loadedTxResult2, err := indexer.Get(hash2)
	require.NoError(t, err)
	assert.Equal(t, txResult2, loadedTxResult2)
}

func TestTxSearch(t *testing.T) {
	indexer := &TxIndex{store: db.NewMemDB()}

	tx := types.Tx("HELLO WORLD")
	tags := []*abci.KVPair{
		&abci.KVPair{Key: "account.number", ValueType: abci.KVPair_INT, ValueInt: 1},
		&abci.KVPair{Key: "account.owner", ValueType: abci.KVPair_STRING, ValueString: "Ivan"},
		&abci.KVPair{Key: "not_allowed", ValueType: abci.KVPair_STRING, ValueString: "Vlad"},
	}
	txResult := &types.TxResult{1, 0, tx, abci.ResponseDeliverTx{Data: []byte{0}, Code: abci.CodeType_OK, Log: "", Tags: tags}}
	hash := tx.Hash()

	allowedTags := []string{"account.number", "account.owner", "account.date"}
	err := indexer.Index(txResult, allowedTags)
	require.NoError(t, err)

	testCases := []struct {
		q             string
		expectError   bool
		resultsLength int
		results       []*types.TxResult
	}{
		// search by hash
		{fmt.Sprintf("tx.hash = '%X'", hash), false, 1, []*types.TxResult{txResult}},
		// search by exact match (one tag)
		{"account.number = 1", false, 1, []*types.TxResult{txResult}},
		// search by exact match (two tags)
		{"account.number = 1 AND account.owner = 'Ivan'", false, 1, []*types.TxResult{txResult}},
		// search by exact match (two tags)
		{"account.number = 1 AND account.owner = 'Vlad'", false, 0, []*types.TxResult{}},
		// search by range
		{"account.number >= 1 AND account.number <= 5", false, 1, []*types.TxResult{txResult}},
		// search using not allowed tag
		{"not_allowed = 'boom'", false, 0, []*types.TxResult{}},
		// search for not existing tx result
		{"account.number >= 2 AND account.number <= 5", false, 0, []*types.TxResult{}},
		// search using not existing tag
		{"account.date >= TIME 2013-05-03T14:45:00Z", false, 0, []*types.TxResult{}},
		// search using CONTAINS
		{"account.owner CONTAINS 'an'", false, 1, []*types.TxResult{txResult}},
		// search using CONTAINS
		{"account.owner CONTAINS 'Vlad'", false, 0, []*types.TxResult{}},
	}

	for _, tc := range testCases {
		t.Run(tc.q, func(t *testing.T) {
			results, err := indexer.Search(query.MustParse(tc.q))
			if tc.expectError {
				assert.Error(t, err)
			} else {
				assert.NoError(t, err)
			}

			assert.Len(t, results, tc.resultsLength)
			if tc.resultsLength > 0 {
				assert.Equal(t, tc.results, results)
			}
		})
	}
}

func benchmarkTxIndex(txsCount int, b *testing.B) {
	tx := types.Tx("HELLO WORLD")
	txResult := &types.TxResult{1, 0, tx, abci.ResponseDeliverTx{Data: []byte{0}, Code: abci.CodeType_OK, Log: "", Tags: []*abci.KVPair{}}}

	dir, err := ioutil.TempDir("", "tx_index_db")
	if err != nil {
		b.Fatal(err)
	}
	defer os.RemoveAll(dir) // nolint: errcheck

	store := db.NewDB("tx_index", "leveldb", dir)
	indexer := &TxIndex{store: store}

	batch := txindex.NewBatch(txsCount)
	for i := 0; i < txsCount; i++ {
		if err := batch.Add(txResult); err != nil {
			b.Fatal(err)
		}
		txResult.Index += 1
	}

	b.ResetTimer()

	for n := 0; n < b.N; n++ {
		err = indexer.AddBatch(batch, []string{})
	}
	if err != nil {
		b.Fatal(err)
	}
}

func BenchmarkTxIndex1(b *testing.B)     { benchmarkTxIndex(1, b) }
func BenchmarkTxIndex500(b *testing.B)   { benchmarkTxIndex(500, b) }
func BenchmarkTxIndex1000(b *testing.B)  { benchmarkTxIndex(1000, b) }
func BenchmarkTxIndex2000(b *testing.B)  { benchmarkTxIndex(2000, b) }
func BenchmarkTxIndex10000(b *testing.B) { benchmarkTxIndex(10000, b) }