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-rw-r--r--trie/trie_test.go459
1 files changed, 161 insertions, 298 deletions
diff --git a/trie/trie_test.go b/trie/trie_test.go
index 3abe56040..ffb78d4f2 100644
--- a/trie/trie_test.go
+++ b/trie/trie_test.go
@@ -1,345 +1,188 @@
package trie
-/*
import (
"bytes"
- "encoding/hex"
- "encoding/json"
"fmt"
- "io/ioutil"
- "math/rand"
- "net/http"
"testing"
- "time"
-
- checker "gopkg.in/check.v1"
+ "github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/ethutil"
)
-const LONG_WORD = "1234567890abcdefghijklmnopqrstuvwxxzABCEFGHIJKLMNOPQRSTUVWXYZ"
-
-type TrieSuite struct {
- db *MemDatabase
- trie *Trie
-}
-
-type MemDatabase struct {
- db map[string][]byte
-}
-
-func NewMemDatabase() (*MemDatabase, error) {
- db := &MemDatabase{db: make(map[string][]byte)}
- return db, nil
-}
-func (db *MemDatabase) Put(key []byte, value []byte) {
- db.db[string(key)] = value
-}
-func (db *MemDatabase) Get(key []byte) ([]byte, error) {
- return db.db[string(key)], nil
-}
-func (db *MemDatabase) Delete(key []byte) error {
- delete(db.db, string(key))
- return nil
-}
-func (db *MemDatabase) Print() {}
-func (db *MemDatabase) Close() {}
-func (db *MemDatabase) LastKnownTD() []byte { return nil }
-
-func NewTrie() (*MemDatabase, *Trie) {
- db, _ := NewMemDatabase()
- return db, New(db, "")
-}
-
-func (s *TrieSuite) SetUpTest(c *checker.C) {
- s.db, s.trie = NewTrie()
-}
-
-func (s *TrieSuite) TestTrieSync(c *checker.C) {
- s.trie.Update("dog", LONG_WORD)
- c.Assert(s.db.db, checker.HasLen, 0, checker.Commentf("Expected no data in database"))
- s.trie.Sync()
- c.Assert(s.db.db, checker.HasLen, 3)
-}
-
-func (s *TrieSuite) TestTrieDirtyTracking(c *checker.C) {
- s.trie.Update("dog", LONG_WORD)
- c.Assert(s.trie.cache.IsDirty, checker.Equals, true, checker.Commentf("Expected no data in database"))
-
- s.trie.Sync()
- c.Assert(s.trie.cache.IsDirty, checker.Equals, false, checker.Commentf("Expected trie to be dirty"))
-
- s.trie.Update("test", LONG_WORD)
- s.trie.cache.Undo()
- c.Assert(s.trie.cache.IsDirty, checker.Equals, false)
-}
-
-func (s *TrieSuite) TestTrieReset(c *checker.C) {
- s.trie.Update("cat", LONG_WORD)
- c.Assert(s.trie.cache.nodes, checker.HasLen, 1, checker.Commentf("Expected cached nodes"))
+type Db map[string][]byte
- s.trie.cache.Undo()
- c.Assert(s.trie.cache.nodes, checker.HasLen, 0, checker.Commentf("Expected no nodes after undo"))
-}
+func (self Db) Get(k []byte) ([]byte, error) { return self[string(k)], nil }
+func (self Db) Put(k, v []byte) { self[string(k)] = v }
-func (s *TrieSuite) TestTrieGet(c *checker.C) {
- s.trie.Update("cat", LONG_WORD)
- x := s.trie.Get("cat")
- c.Assert(x, checker.DeepEquals, LONG_WORD)
+// Used for testing
+func NewEmpty() *Trie {
+ return New(nil, make(Db))
}
-func (s *TrieSuite) TestTrieUpdating(c *checker.C) {
- s.trie.Update("cat", LONG_WORD)
- s.trie.Update("cat", LONG_WORD+"1")
- x := s.trie.Get("cat")
- c.Assert(x, checker.DeepEquals, LONG_WORD+"1")
+func TestEmptyTrie(t *testing.T) {
+ trie := NewEmpty()
+ res := trie.Hash()
+ exp := crypto.Sha3(ethutil.Encode(""))
+ if !bytes.Equal(res, exp) {
+ t.Errorf("expected %x got %x", exp, res)
+ }
}
-func (s *TrieSuite) TestTrieCmp(c *checker.C) {
- _, trie1 := NewTrie()
- _, trie2 := NewTrie()
+func TestInsert(t *testing.T) {
+ trie := NewEmpty()
- trie1.Update("doge", LONG_WORD)
- trie2.Update("doge", LONG_WORD)
- c.Assert(trie1, checker.DeepEquals, trie2)
+ trie.UpdateString("doe", "reindeer")
+ trie.UpdateString("dog", "puppy")
+ trie.UpdateString("dogglesworth", "cat")
- trie1.Update("dog", LONG_WORD)
- trie2.Update("cat", LONG_WORD)
- c.Assert(trie1, checker.Not(checker.DeepEquals), trie2)
-}
+ exp := ethutil.Hex2Bytes("8aad789dff2f538bca5d8ea56e8abe10f4c7ba3a5dea95fea4cd6e7c3a1168d3")
+ root := trie.Hash()
+ if !bytes.Equal(root, exp) {
+ t.Errorf("exp %x got %x", exp, root)
+ }
-func (s *TrieSuite) TestTrieDelete(c *checker.C) {
- s.trie.Update("cat", LONG_WORD)
- exp := s.trie.Root
- s.trie.Update("dog", LONG_WORD)
- s.trie.Delete("dog")
- c.Assert(s.trie.Root, checker.DeepEquals, exp)
-
- s.trie.Update("dog", LONG_WORD)
- exp = s.trie.Root
- s.trie.Update("dude", LONG_WORD)
- s.trie.Delete("dude")
- c.Assert(s.trie.Root, checker.DeepEquals, exp)
-}
+ trie = NewEmpty()
+ trie.UpdateString("A", "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa")
-func (s *TrieSuite) TestTrieDeleteWithValue(c *checker.C) {
- s.trie.Update("c", LONG_WORD)
- exp := s.trie.Root
- s.trie.Update("ca", LONG_WORD)
- s.trie.Update("cat", LONG_WORD)
- s.trie.Delete("ca")
- s.trie.Delete("cat")
- c.Assert(s.trie.Root, checker.DeepEquals, exp)
+ exp = ethutil.Hex2Bytes("d23786fb4a010da3ce639d66d5e904a11dbc02746d1ce25029e53290cabf28ab")
+ root = trie.Hash()
+ if !bytes.Equal(root, exp) {
+ t.Errorf("exp %x got %x", exp, root)
+ }
}
-func (s *TrieSuite) TestTriePurge(c *checker.C) {
- s.trie.Update("c", LONG_WORD)
- s.trie.Update("ca", LONG_WORD)
- s.trie.Update("cat", LONG_WORD)
+func TestGet(t *testing.T) {
+ trie := NewEmpty()
- lenBefore := len(s.trie.cache.nodes)
- it := s.trie.NewIterator()
- num := it.Purge()
- c.Assert(num, checker.Equals, 3)
- c.Assert(len(s.trie.cache.nodes), checker.Equals, lenBefore)
-}
+ trie.UpdateString("doe", "reindeer")
+ trie.UpdateString("dog", "puppy")
+ trie.UpdateString("dogglesworth", "cat")
-func h(str string) string {
- d, err := hex.DecodeString(str)
- if err != nil {
- panic(err)
+ res := trie.GetString("dog")
+ if !bytes.Equal(res, []byte("puppy")) {
+ t.Errorf("expected puppy got %x", res)
}
- return string(d)
-}
-
-func get(in string) (out string) {
- if len(in) > 2 && in[:2] == "0x" {
- out = h(in[2:])
- } else {
- out = in
+ unknown := trie.GetString("unknown")
+ if unknown != nil {
+ t.Errorf("expected nil got %x", unknown)
}
-
- return
}
-type TrieTest struct {
- Name string
- In map[string]string
- Root string
-}
+func TestDelete(t *testing.T) {
+ trie := NewEmpty()
-func CreateTest(name string, data []byte) (TrieTest, error) {
- t := TrieTest{Name: name}
- err := json.Unmarshal(data, &t)
- if err != nil {
- return TrieTest{}, fmt.Errorf("%v", err)
+ vals := []struct{ k, v string }{
+ {"do", "verb"},
+ {"ether", "wookiedoo"},
+ {"horse", "stallion"},
+ {"shaman", "horse"},
+ {"doge", "coin"},
+ {"ether", ""},
+ {"dog", "puppy"},
+ {"shaman", ""},
}
-
- return t, nil
-}
-
-func CreateTests(uri string, cb func(TrieTest)) map[string]TrieTest {
- resp, err := http.Get(uri)
- if err != nil {
- panic(err)
+ for _, val := range vals {
+ if val.v != "" {
+ trie.UpdateString(val.k, val.v)
+ } else {
+ trie.DeleteString(val.k)
+ }
}
- defer resp.Body.Close()
- data, err := ioutil.ReadAll(resp.Body)
-
- var objmap map[string]*json.RawMessage
- err = json.Unmarshal(data, &objmap)
- if err != nil {
- panic(err)
+ hash := trie.Hash()
+ exp := ethutil.Hex2Bytes("5991bb8c6514148a29db676a14ac506cd2cd5775ace63c30a4fe457715e9ac84")
+ if !bytes.Equal(hash, exp) {
+ t.Errorf("expected %x got %x", exp, hash)
}
+}
- tests := make(map[string]TrieTest)
- for name, testData := range objmap {
- test, err := CreateTest(name, *testData)
- if err != nil {
- panic(err)
- }
+func TestEmptyValues(t *testing.T) {
+ trie := NewEmpty()
- if cb != nil {
- cb(test)
- }
- tests[name] = test
+ vals := []struct{ k, v string }{
+ {"do", "verb"},
+ {"ether", "wookiedoo"},
+ {"horse", "stallion"},
+ {"shaman", "horse"},
+ {"doge", "coin"},
+ {"ether", ""},
+ {"dog", "puppy"},
+ {"shaman", ""},
}
-
- return tests
-}
-
-func RandomData() [][]string {
- data := [][]string{
- {"0x000000000000000000000000ec4f34c97e43fbb2816cfd95e388353c7181dab1", "0x4e616d6552656700000000000000000000000000000000000000000000000000"},
- {"0x0000000000000000000000000000000000000000000000000000000000000045", "0x22b224a1420a802ab51d326e29fa98e34c4f24ea"},
- {"0x0000000000000000000000000000000000000000000000000000000000000046", "0x67706c2076330000000000000000000000000000000000000000000000000000"},
- {"0x000000000000000000000000697c7b8c961b56f675d570498424ac8de1a918f6", "0x6f6f6f6820736f2067726561742c207265616c6c6c793f000000000000000000"},
- {"0x0000000000000000000000007ef9e639e2733cb34e4dfc576d4b23f72db776b2", "0x4655474156000000000000000000000000000000000000000000000000000000"},
- {"0x6f6f6f6820736f2067726561742c207265616c6c6c793f000000000000000000", "0x697c7b8c961b56f675d570498424ac8de1a918f6"},
- {"0x4655474156000000000000000000000000000000000000000000000000000000", "0x7ef9e639e2733cb34e4dfc576d4b23f72db776b2"},
- {"0x4e616d6552656700000000000000000000000000000000000000000000000000", "0xec4f34c97e43fbb2816cfd95e388353c7181dab1"},
+ for _, val := range vals {
+ trie.UpdateString(val.k, val.v)
}
- var c [][]string
- for len(data) != 0 {
- e := rand.Intn(len(data))
- c = append(c, data[e])
-
- copy(data[e:], data[e+1:])
- data[len(data)-1] = nil
- data = data[:len(data)-1]
+ hash := trie.Hash()
+ exp := ethutil.Hex2Bytes("5991bb8c6514148a29db676a14ac506cd2cd5775ace63c30a4fe457715e9ac84")
+ if !bytes.Equal(hash, exp) {
+ t.Errorf("expected %x got %x", exp, hash)
}
-
- return c
}
-const MaxTest = 1000
-
-// This test insert data in random order and seeks to find indifferences between the different tries
-func (s *TrieSuite) TestRegression(c *checker.C) {
- rand.Seed(time.Now().Unix())
-
- roots := make(map[string]int)
- for i := 0; i < MaxTest; i++ {
- _, trie := NewTrie()
- data := RandomData()
-
- for _, test := range data {
- trie.Update(test[0], test[1])
- }
- trie.Delete("0x4e616d6552656700000000000000000000000000000000000000000000000000")
-
- roots[string(trie.Root.([]byte))] += 1
+func TestReplication(t *testing.T) {
+ trie := NewEmpty()
+ vals := []struct{ k, v string }{
+ {"do", "verb"},
+ {"ether", "wookiedoo"},
+ {"horse", "stallion"},
+ {"shaman", "horse"},
+ {"doge", "coin"},
+ {"ether", ""},
+ {"dog", "puppy"},
+ {"shaman", ""},
+ {"somethingveryoddindeedthis is", "myothernodedata"},
}
+ for _, val := range vals {
+ trie.UpdateString(val.k, val.v)
+ }
+ trie.Commit()
- c.Assert(len(roots) <= 1, checker.Equals, true)
- // if len(roots) > 1 {
- // for root, num := range roots {
- // t.Errorf("%x => %d\n", root, num)
- // }
- // }
-}
-
-func (s *TrieSuite) TestDelete(c *checker.C) {
- s.trie.Update("a", "jeffreytestlongstring")
- s.trie.Update("aa", "otherstring")
- s.trie.Update("aaa", "othermorestring")
- s.trie.Update("aabbbbccc", "hithere")
- s.trie.Update("abbcccdd", "hstanoehutnaheoustnh")
- s.trie.Update("rnthaoeuabbcccdd", "hstanoehutnaheoustnh")
- s.trie.Update("rneuabbcccdd", "hstanoehutnaheoustnh")
- s.trie.Update("rneuabboeusntahoeucccdd", "hstanoehutnaheoustnh")
- s.trie.Update("rnxabboeusntahoeucccdd", "hstanoehutnaheoustnh")
- s.trie.Delete("aaboaestnuhbccc")
- s.trie.Delete("a")
- s.trie.Update("a", "nthaonethaosentuh")
- s.trie.Update("c", "shtaosntehua")
- s.trie.Delete("a")
- s.trie.Update("aaaa", "testmegood")
-
- _, t2 := NewTrie()
- s.trie.NewIterator().Each(func(key string, v *ethutil.Value) {
- if key == "aaaa" {
- t2.Update(key, v.Str())
- } else {
- t2.Update(key, v.Str())
- }
- })
-
- a := ethutil.NewValue(s.trie.Root).Bytes()
- b := ethutil.NewValue(t2.Root).Bytes()
+ trie2 := New(trie.roothash, trie.cache.backend)
+ if string(trie2.GetString("horse")) != "stallion" {
+ t.Error("expected to have horse => stallion")
+ }
- c.Assert(a, checker.DeepEquals, b)
-}
+ hash := trie2.Hash()
+ exp := trie.Hash()
+ if !bytes.Equal(hash, exp) {
+ t.Errorf("root failure. expected %x got %x", exp, hash)
+ }
-func (s *TrieSuite) TestTerminator(c *checker.C) {
- key := CompactDecode("hello")
- c.Assert(HasTerm(key), checker.Equals, true, checker.Commentf("Expected %v to have a terminator", key))
}
-func (s *TrieSuite) TestIt(c *checker.C) {
- s.trie.Update("cat", "cat")
- s.trie.Update("doge", "doge")
- s.trie.Update("wallace", "wallace")
- it := s.trie.Iterator()
-
- inputs := []struct {
- In, Out string
- }{
- {"", "cat"},
- {"bobo", "cat"},
- {"c", "cat"},
- {"car", "cat"},
- {"catering", "doge"},
- {"w", "wallace"},
- {"wallace123", ""},
+func TestReset(t *testing.T) {
+ trie := NewEmpty()
+ vals := []struct{ k, v string }{
+ {"do", "verb"},
+ {"ether", "wookiedoo"},
+ {"horse", "stallion"},
}
-
- for _, test := range inputs {
- res := string(it.Next(test.In))
- c.Assert(res, checker.Equals, test.Out)
+ for _, val := range vals {
+ trie.UpdateString(val.k, val.v)
}
-}
+ trie.Commit()
-func (s *TrieSuite) TestBeginsWith(c *checker.C) {
- a := CompactDecode("hello")
- b := CompactDecode("hel")
-
- c.Assert(BeginsWith(a, b), checker.Equals, false)
- c.Assert(BeginsWith(b, a), checker.Equals, true)
-}
+ before := ethutil.CopyBytes(trie.roothash)
+ trie.UpdateString("should", "revert")
+ trie.Hash()
+ // Should have no effect
+ trie.Hash()
+ trie.Hash()
+ // ###
-func (s *TrieSuite) TestItems(c *checker.C) {
- s.trie.Update("A", "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa")
- exp := "d23786fb4a010da3ce639d66d5e904a11dbc02746d1ce25029e53290cabf28ab"
+ trie.Reset()
+ after := ethutil.CopyBytes(trie.roothash)
- c.Assert(s.trie.GetRoot(), checker.DeepEquals, ethutil.Hex2Bytes(exp))
+ if !bytes.Equal(before, after) {
+ t.Errorf("expected roots to be equal. %x - %x", before, after)
+ }
}
-func TestOtherSomething(t *testing.T) {
- _, trie := NewTrie()
+func TestParanoia(t *testing.T) {
+ t.Skip()
+ trie := NewEmpty()
vals := []struct{ k, v string }{
{"do", "verb"},
@@ -350,20 +193,40 @@ func TestOtherSomething(t *testing.T) {
{"ether", ""},
{"dog", "puppy"},
{"shaman", ""},
+ {"somethingveryoddindeedthis is", "myothernodedata"},
}
for _, val := range vals {
- trie.Update(val.k, val.v)
+ trie.UpdateString(val.k, val.v)
}
+ trie.Commit()
- exp := ethutil.Hex2Bytes("5991bb8c6514148a29db676a14ac506cd2cd5775ace63c30a4fe457715e9ac84")
- hash := trie.Root.([]byte)
- if !bytes.Equal(hash, exp) {
- t.Errorf("expected %x got %x", exp, hash)
+ ok, t2 := ParanoiaCheck(trie, trie.cache.backend)
+ if !ok {
+ t.Errorf("trie paranoia check failed %x %x", trie.roothash, t2.roothash)
}
}
+// Not an actual test
+func TestOutput(t *testing.T) {
+ t.Skip()
+
+ base := "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
+ trie := NewEmpty()
+ for i := 0; i < 50; i++ {
+ trie.UpdateString(fmt.Sprintf("%s%d", base, i), "valueeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee")
+ }
+ fmt.Println("############################## FULL ################################")
+ fmt.Println(trie.root)
+
+ trie.Commit()
+ fmt.Println("############################## SMALL ################################")
+ trie2 := New(trie.roothash, trie.cache.backend)
+ trie2.GetString(base + "20")
+ fmt.Println(trie2.root)
+}
+
func BenchmarkGets(b *testing.B) {
- _, trie := NewTrie()
+ trie := NewEmpty()
vals := []struct{ k, v string }{
{"do", "verb"},
{"ether", "wookiedoo"},
@@ -376,21 +239,21 @@ func BenchmarkGets(b *testing.B) {
{"somethingveryoddindeedthis is", "myothernodedata"},
}
for _, val := range vals {
- trie.Update(val.k, val.v)
+ trie.UpdateString(val.k, val.v)
}
b.ResetTimer()
for i := 0; i < b.N; i++ {
- trie.Get("horse")
+ trie.Get([]byte("horse"))
}
}
func BenchmarkUpdate(b *testing.B) {
- _, trie := NewTrie()
+ trie := NewEmpty()
b.ResetTimer()
for i := 0; i < b.N; i++ {
- trie.Update(fmt.Sprintf("aaaaaaaaaaaaaaa%d", i), "value")
+ trie.UpdateString(fmt.Sprintf("aaaaaaaaa%d", i), "value")
}
+ trie.Hash()
}
-*/
generated by cgit (git 2.34.1) at 2024-11-12 17:29:12 +0800