forked from cerc-io/plugeth
Convert trie tests to gocheck
This commit is contained in:
Taylor Gerring
parent
1d866b5e57
commit
00878e5b6e
8
trie/main_test.go
Normal file
8
trie/main_test.go
Normal file
@ -0,0 +1,8 @@
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package trie
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import (
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checker "gopkg.in/check.v1"
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"testing"
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)
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func Test(t *testing.T) { checker.TestingT(t) }
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@ -1,15 +1,13 @@
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package trie
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import (
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"bytes"
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"encoding/hex"
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"encoding/json"
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"fmt"
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checker "gopkg.in/check.v1"
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"io/ioutil"
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"math/rand"
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"net/http"
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"reflect"
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"testing"
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"time"
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"github.com/ethereum/go-ethereum/ethutil"
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@ -17,6 +15,11 @@ import (
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const LONG_WORD = "1234567890abcdefghijklmnopqrstuvwxxzABCEFGHIJKLMNOPQRSTUVWXYZ"
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type TrieSuite struct {
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db *MemDatabase
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trie *Trie
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}
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type MemDatabase struct {
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db map[string][]byte
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}
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@ -44,140 +47,97 @@ func NewTrie() (*MemDatabase, *Trie) {
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return db, New(db, "")
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}
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func TestTrieSync(t *testing.T) {
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db, trie := NewTrie()
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trie.Update("dog", LONG_WORD)
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if len(db.db) != 0 {
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t.Error("Expected no data in database")
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}
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trie.Sync()
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if len(db.db) == 0 {
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t.Error("Expected data to be persisted")
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}
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func (s *TrieSuite) SetUpTest(c *checker.C) {
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s.db, s.trie = NewTrie()
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}
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func TestTrieDirtyTracking(t *testing.T) {
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_, trie := NewTrie()
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trie.Update("dog", LONG_WORD)
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if !trie.cache.IsDirty {
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t.Error("Expected trie to be dirty")
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}
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trie.Sync()
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if trie.cache.IsDirty {
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t.Error("Expected trie not to be dirty")
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}
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trie.Update("test", LONG_WORD)
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trie.cache.Undo()
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if trie.cache.IsDirty {
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t.Error("Expected trie not to be dirty")
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}
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func (s *TrieSuite) TestTrieSync(c *checker.C) {
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s.trie.Update("dog", LONG_WORD)
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c.Assert(s.db.db, checker.HasLen, 0, checker.Commentf("Expected no data in database"))
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s.trie.Sync()
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c.Assert(s.db.db, checker.HasLen, 3)
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}
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func TestTrieReset(t *testing.T) {
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_, trie := NewTrie()
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func (s *TrieSuite) TestTrieDirtyTracking(c *checker.C) {
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s.trie.Update("dog", LONG_WORD)
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c.Assert(s.trie.cache.IsDirty, checker.Equals, true, checker.Commentf("Expected no data in database"))
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trie.Update("cat", LONG_WORD)
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if len(trie.cache.nodes) == 0 {
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t.Error("Expected cached nodes")
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}
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s.trie.Sync()
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c.Assert(s.trie.cache.IsDirty, checker.Equals, false, checker.Commentf("Expected trie to be dirty"))
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trie.cache.Undo()
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if len(trie.cache.nodes) != 0 {
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t.Error("Expected no nodes after undo")
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}
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s.trie.Update("test", LONG_WORD)
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s.trie.cache.Undo()
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c.Assert(s.trie.cache.IsDirty, checker.Equals, false)
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}
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func TestTrieGet(t *testing.T) {
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_, trie := NewTrie()
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func (s *TrieSuite) TestTrieReset(c *checker.C) {
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s.trie.Update("cat", LONG_WORD)
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c.Assert(s.trie.cache.nodes, checker.HasLen, 1, checker.Commentf("Expected cached nodes"))
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trie.Update("cat", LONG_WORD)
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x := trie.Get("cat")
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if x != LONG_WORD {
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t.Error("expected %s, got %s", LONG_WORD, x)
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}
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s.trie.cache.Undo()
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c.Assert(s.trie.cache.nodes, checker.HasLen, 0, checker.Commentf("Expected no nodes after undo"))
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}
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func TestTrieUpdating(t *testing.T) {
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_, trie := NewTrie()
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trie.Update("cat", LONG_WORD)
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trie.Update("cat", LONG_WORD+"1")
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x := trie.Get("cat")
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if x != LONG_WORD+"1" {
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t.Error("expected %S, got %s", LONG_WORD+"1", x)
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}
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func (s *TrieSuite) TestTrieGet(c *checker.C) {
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s.trie.Update("cat", LONG_WORD)
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x := s.trie.Get("cat")
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c.Assert(x, checker.DeepEquals, LONG_WORD)
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}
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func TestTrieCmp(t *testing.T) {
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func (s *TrieSuite) TestTrieUpdating(c *checker.C) {
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s.trie.Update("cat", LONG_WORD)
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s.trie.Update("cat", LONG_WORD+"1")
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x := s.trie.Get("cat")
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c.Assert(x, checker.DeepEquals, LONG_WORD+"1")
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}
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func (s *TrieSuite) TestTrieCmp(c *checker.C) {
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_, trie1 := NewTrie()
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_, trie2 := NewTrie()
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trie1.Update("doge", LONG_WORD)
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trie2.Update("doge", LONG_WORD)
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if !trie1.Cmp(trie2) {
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t.Error("Expected tries to be equal")
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}
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c.Assert(trie1, checker.DeepEquals, trie2)
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trie1.Update("dog", LONG_WORD)
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trie2.Update("cat", LONG_WORD)
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if trie1.Cmp(trie2) {
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t.Errorf("Expected tries not to be equal %x %x", trie1.Root, trie2.Root)
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}
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c.Assert(trie1, checker.Not(checker.DeepEquals), trie2)
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}
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func TestTrieDelete(t *testing.T) {
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_, trie := NewTrie()
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trie.Update("cat", LONG_WORD)
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exp := trie.Root
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trie.Update("dog", LONG_WORD)
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trie.Delete("dog")
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if !reflect.DeepEqual(exp, trie.Root) {
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t.Errorf("Expected tries to be equal %x : %x", exp, trie.Root)
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}
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func (s *TrieSuite) TestTrieDelete(c *checker.C) {
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s.trie.Update("cat", LONG_WORD)
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exp := s.trie.Root
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s.trie.Update("dog", LONG_WORD)
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s.trie.Delete("dog")
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c.Assert(s.trie.Root, checker.DeepEquals, exp)
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trie.Update("dog", LONG_WORD)
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exp = trie.Root
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trie.Update("dude", LONG_WORD)
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trie.Delete("dude")
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if !reflect.DeepEqual(exp, trie.Root) {
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t.Errorf("Expected tries to be equal %x : %x", exp, trie.Root)
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}
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s.trie.Update("dog", LONG_WORD)
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exp = s.trie.Root
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s.trie.Update("dude", LONG_WORD)
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s.trie.Delete("dude")
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c.Assert(s.trie.Root, checker.DeepEquals, exp)
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}
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func TestTrieDeleteWithValue(t *testing.T) {
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_, trie := NewTrie()
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trie.Update("c", LONG_WORD)
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exp := trie.Root
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trie.Update("ca", LONG_WORD)
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trie.Update("cat", LONG_WORD)
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trie.Delete("ca")
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trie.Delete("cat")
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if !reflect.DeepEqual(exp, trie.Root) {
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t.Errorf("Expected tries to be equal %x : %x", exp, trie.Root)
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}
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func (s *TrieSuite) TestTrieDeleteWithValue(c *checker.C) {
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s.trie.Update("c", LONG_WORD)
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exp := s.trie.Root
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s.trie.Update("ca", LONG_WORD)
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s.trie.Update("cat", LONG_WORD)
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s.trie.Delete("ca")
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s.trie.Delete("cat")
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c.Assert(s.trie.Root, checker.DeepEquals, exp)
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}
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func TestTriePurge(t *testing.T) {
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_, trie := NewTrie()
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trie.Update("c", LONG_WORD)
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trie.Update("ca", LONG_WORD)
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trie.Update("cat", LONG_WORD)
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func (s *TrieSuite) TestTriePurge(c *checker.C) {
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s.trie.Update("c", LONG_WORD)
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s.trie.Update("ca", LONG_WORD)
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s.trie.Update("cat", LONG_WORD)
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lenBefore := len(trie.cache.nodes)
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it := trie.NewIterator()
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if num := it.Purge(); num != 3 {
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t.Errorf("Expected purge to return 3, got %d", num)
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}
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if lenBefore == len(trie.cache.nodes) {
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t.Errorf("Expected cached nodes to be deleted")
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}
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lenBefore := len(s.trie.cache.nodes)
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it := s.trie.NewIterator()
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num := it.Purge()
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c.Assert(num, checker.Equals, 3)
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c.Assert(len(s.trie.cache.nodes), checker.Equals, lenBefore)
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}
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func h(str string) string {
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@ -199,23 +159,23 @@ func get(in string) (out string) {
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return
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}
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type Test struct {
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type TrieTest struct {
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Name string
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In map[string]string
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Root string
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}
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func CreateTest(name string, data []byte) (Test, error) {
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t := Test{Name: name}
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func CreateTest(name string, data []byte) (TrieTest, error) {
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t := TrieTest{Name: name}
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err := json.Unmarshal(data, &t)
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if err != nil {
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return Test{}, fmt.Errorf("%v", err)
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return TrieTest{}, fmt.Errorf("%v", err)
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}
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return t, nil
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}
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func CreateTests(uri string, cb func(Test)) map[string]Test {
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func CreateTests(uri string, cb func(TrieTest)) map[string]TrieTest {
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resp, err := http.Get(uri)
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if err != nil {
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panic(err)
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@ -230,7 +190,7 @@ func CreateTests(uri string, cb func(Test)) map[string]Test {
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panic(err)
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}
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tests := make(map[string]Test)
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tests := make(map[string]TrieTest)
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for name, testData := range objmap {
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test, err := CreateTest(name, *testData)
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if err != nil {
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@ -274,7 +234,7 @@ func RandomData() [][]string {
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const MaxTest = 1000
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// This test insert data in random order and seeks to find indifferences between the different tries
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func TestRegression(t *testing.T) {
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func (s *TrieSuite) TestRegression(c *checker.C) {
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rand.Seed(time.Now().Unix())
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roots := make(map[string]int)
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@ -290,34 +250,33 @@ func TestRegression(t *testing.T) {
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roots[string(trie.Root.([]byte))] += 1
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}
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if len(roots) > 1 {
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for root, num := range roots {
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t.Errorf("%x => %d\n", root, num)
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}
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}
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c.Assert(len(roots) <= 1, checker.Equals, true)
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// if len(roots) > 1 {
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// for root, num := range roots {
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// t.Errorf("%x => %d\n", root, num)
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// }
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// }
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}
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func TestDelete(t *testing.T) {
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_, trie := NewTrie()
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trie.Update("a", "jeffreytestlongstring")
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trie.Update("aa", "otherstring")
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trie.Update("aaa", "othermorestring")
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trie.Update("aabbbbccc", "hithere")
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trie.Update("abbcccdd", "hstanoehutnaheoustnh")
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trie.Update("rnthaoeuabbcccdd", "hstanoehutnaheoustnh")
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trie.Update("rneuabbcccdd", "hstanoehutnaheoustnh")
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trie.Update("rneuabboeusntahoeucccdd", "hstanoehutnaheoustnh")
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trie.Update("rnxabboeusntahoeucccdd", "hstanoehutnaheoustnh")
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trie.Delete("aaboaestnuhbccc")
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trie.Delete("a")
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trie.Update("a", "nthaonethaosentuh")
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trie.Update("c", "shtaosntehua")
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trie.Delete("a")
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trie.Update("aaaa", "testmegood")
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func (s *TrieSuite) TestDelete(c *checker.C) {
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s.trie.Update("a", "jeffreytestlongstring")
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s.trie.Update("aa", "otherstring")
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s.trie.Update("aaa", "othermorestring")
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s.trie.Update("aabbbbccc", "hithere")
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s.trie.Update("abbcccdd", "hstanoehutnaheoustnh")
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s.trie.Update("rnthaoeuabbcccdd", "hstanoehutnaheoustnh")
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s.trie.Update("rneuabbcccdd", "hstanoehutnaheoustnh")
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s.trie.Update("rneuabboeusntahoeucccdd", "hstanoehutnaheoustnh")
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s.trie.Update("rnxabboeusntahoeucccdd", "hstanoehutnaheoustnh")
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s.trie.Delete("aaboaestnuhbccc")
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s.trie.Delete("a")
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s.trie.Update("a", "nthaonethaosentuh")
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s.trie.Update("c", "shtaosntehua")
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s.trie.Delete("a")
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s.trie.Update("aaaa", "testmegood")
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_, t2 := NewTrie()
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trie.NewIterator().Each(func(key string, v *ethutil.Value) {
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s.trie.NewIterator().Each(func(key string, v *ethutil.Value) {
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if key == "aaaa" {
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t2.Update(key, v.Str())
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} else {
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@ -325,27 +284,22 @@ func TestDelete(t *testing.T) {
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}
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})
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a := ethutil.NewValue(trie.Root).Bytes()
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a := ethutil.NewValue(s.trie.Root).Bytes()
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b := ethutil.NewValue(t2.Root).Bytes()
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if bytes.Compare(a, b) != 0 {
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t.Errorf("Expected %x and %x to be equal", a, b)
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}
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c.Assert(a, checker.DeepEquals, b)
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}
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func TestTerminator(t *testing.T) {
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func (s *TrieSuite) TestTerminator(c *checker.C) {
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key := CompactDecode("hello")
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if !HasTerm(key) {
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t.Errorf("Expected %v to have a terminator", key)
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}
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c.Assert(HasTerm(key), checker.Equals, true, checker.Commentf("Expected %v to have a terminator", key))
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}
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func TestIt(t *testing.T) {
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_, trie := NewTrie()
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trie.Update("cat", "cat")
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trie.Update("doge", "doge")
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trie.Update("wallace", "wallace")
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it := trie.Iterator()
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func (s *TrieSuite) TestIt(c *checker.C) {
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s.trie.Update("cat", "cat")
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s.trie.Update("doge", "doge")
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s.trie.Update("wallace", "wallace")
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it := s.trie.Iterator()
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inputs := []struct {
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In, Out string
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@ -361,23 +315,16 @@ func TestIt(t *testing.T) {
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for _, test := range inputs {
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res := string(it.Next(test.In))
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if res != test.Out {
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t.Errorf(test.In, "failed. Got", res, "Expected", test.Out)
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}
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c.Assert(res, checker.Equals, test.Out)
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}
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}
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func TestBeginsWith(t *testing.T) {
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func (s *TrieSuite) TestBeginsWith(c *checker.C) {
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a := CompactDecode("hello")
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b := CompactDecode("hel")
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if BeginsWith(a, b) {
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t.Errorf("Expected %x to begin with %x", a, b)
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}
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if BeginsWith(b, a) {
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t.Errorf("Expected %x not to begin with %x", b, a)
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}
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c.Assert(BeginsWith(a, b), checker.Equals, false)
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c.Assert(BeginsWith(b, a), checker.Equals, true)
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}
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/*
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