github.com/klaytn/klaytn@v1.12.1/storage/statedb/cache_test.go (about)

     1  // Copyright 2020 The klaytn Authors
     2  // This file is part of the klaytn library.
     3  //
     4  // The klaytn library is free software: you can redistribute it and/or modify
     5  // it under the terms of the GNU Lesser General Public License as published by
     6  // the Free Software Foundation, either version 3 of the License, or
     7  // (at your option) any later version.
     8  //
     9  // The klaytn library is distributed in the hope that it will be useful,
    10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    12  // GNU Lesser General Public License for more details.
    13  //
    14  // You should have received a copy of the GNU Lesser General Public License
    15  // along with the klaytn library. If not, see <http://www.gnu.org/licenses/>.
    16  
    17  package statedb
    18  
    19  import (
    20  	"os"
    21  	"reflect"
    22  	"runtime"
    23  	"testing"
    24  
    25  	"github.com/klaytn/klaytn/common"
    26  	"github.com/stretchr/testify/assert"
    27  )
    28  
    29  // TestNewTrieNodeCache tests creating all kinds of supported trie node caches.
    30  func TestNewTrieNodeCache(t *testing.T) {
    31  	testCases := []struct {
    32  		cacheConfig  *TrieNodeCacheConfig
    33  		expectedType reflect.Type
    34  		err          error
    35  	}{
    36  		{getTestFastCacheConfig(), reflect.TypeOf(&FastCache{}), nil},
    37  		{getTestRedisConfig(), reflect.TypeOf(&RedisCache{}), nil},
    38  		{getTestHybridConfig(), reflect.TypeOf(&HybridCache{}), nil},
    39  		{nil, nil, errNilTrieNodeCacheConfig},
    40  	}
    41  
    42  	for _, tc := range testCases {
    43  		cache, err := NewTrieNodeCache(tc.cacheConfig)
    44  		assert.Equal(t, err, tc.err)
    45  		assert.Equal(t, reflect.TypeOf(cache), tc.expectedType)
    46  	}
    47  }
    48  
    49  func TestFastCache_SaveAndLoad(t *testing.T) {
    50  	// Create test directory
    51  	dirName, err := os.MkdirTemp(os.TempDir(), "fastcache_saveandload")
    52  	if err != nil {
    53  		t.Fatal(err)
    54  	}
    55  	defer os.RemoveAll(dirName)
    56  
    57  	// Generate test data
    58  	var keys [][]byte
    59  	var vals [][]byte
    60  	for i := 0; i < 10; i++ {
    61  		keys = append(keys, common.MakeRandomBytes(128))
    62  		vals = append(vals, common.MakeRandomBytes(128))
    63  	}
    64  
    65  	config := getTestHybridConfig()
    66  	config.FastCacheFileDir = dirName
    67  
    68  	// Create a fastcache from the file and save the data to the cache
    69  	fastCache := newFastCache(config)
    70  	for idx, key := range keys {
    71  		assert.Equal(t, fastCache.Get(key), []byte(nil))
    72  		fastCache.Set(key, vals[idx])
    73  		assert.Equal(t, fastCache.Get(key), vals[idx])
    74  	}
    75  	// Save the cache to the file
    76  	assert.NoError(t, fastCache.SaveToFile(dirName, runtime.NumCPU()))
    77  
    78  	// Create a fastcache from the file and check if the data exists
    79  	fastCacheFromFile := newFastCache(config)
    80  	for idx, key := range keys {
    81  		assert.Equal(t, fastCacheFromFile.Get(key), vals[idx])
    82  	}
    83  }