github.com/iotexproject/iotex-core@v1.14.1-rc1/db/trie/mptrie/twolayertrie_test.go (about)

     1  // Copyright (c) 2020 IoTeX Foundation
     2  // This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
     3  // or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
     4  // This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
     5  
     6  package mptrie
     7  
     8  import (
     9  	"context"
    10  	"testing"
    11  
    12  	"github.com/stretchr/testify/require"
    13  
    14  	"github.com/iotexproject/iotex-core/db/trie"
    15  )
    16  
    17  func TestTwoLayerTrie(t *testing.T) {
    18  	tlt := NewTwoLayerTrie(trie.NewMemKVStore(), "rootKey")
    19  	require.NoError(t, tlt.Start(context.Background()))
    20  	defer require.NoError(t, tlt.Stop(context.Background()))
    21  	_, err := tlt.Get([]byte("layerOneKey111111111"), []byte("layerTwoKey1"))
    22  	require.Error(t, err)
    23  	require.Error(t, tlt.Delete([]byte("layerOneKey111111111"), []byte("layerTwoKey1")))
    24  	require.NoError(t, tlt.Upsert([]byte("layerOneKey111111111"), []byte("layerTwoKey1"), []byte("value")))
    25  	_, err = tlt.Get([]byte("layerOneKey111111111"), []byte("layerTwoKey2"))
    26  	require.Error(t, err)
    27  	value, err := tlt.Get([]byte("layerOneKey111111111"), []byte("layerTwoKey1"))
    28  	require.NoError(t, err)
    29  	require.Equal(t, []byte("value"), value)
    30  	require.Error(t, tlt.Delete([]byte("layerOneKey111111111"), []byte("layerTwoKey2")))
    31  	require.NoError(t, tlt.Delete([]byte("layerOneKey111111111"), []byte("layerTwoKey1")))
    32  	_, err = tlt.Get([]byte("layerOneKey111111111"), []byte("layerTwoKey1"))
    33  	require.Error(t, err)
    34  }