320 lines
9.3 KiB
Go
320 lines
9.3 KiB
Go
package store
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import (
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"testing"
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"github.com/stretchr/testify/assert"
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abci "github.com/tendermint/abci/types"
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"github.com/tendermint/iavl"
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cmn "github.com/tendermint/tmlibs/common"
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dbm "github.com/tendermint/tmlibs/db"
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sdk "github.com/cosmos/cosmos-sdk/types"
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)
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var (
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cacheSize = 100
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numHistory int64 = 5
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)
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var (
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treeData = map[string]string{
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"hello": "goodbye",
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"aloha": "shalom",
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}
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nMoreData = 0
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)
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// make a tree and save it
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func newTree(t *testing.T, db dbm.DB) (*iavl.VersionedTree, CommitID) {
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tree := iavl.NewVersionedTree(db, cacheSize)
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for k, v := range treeData {
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tree.Set([]byte(k), []byte(v))
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}
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for i := 0; i < nMoreData; i++ {
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key := cmn.RandBytes(12)
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value := cmn.RandBytes(50)
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tree.Set(key, value)
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}
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hash, ver, err := tree.SaveVersion()
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assert.Nil(t, err)
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return tree, CommitID{ver, hash}
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}
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func TestIAVLStoreGetSetHasDelete(t *testing.T) {
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db := dbm.NewMemDB()
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tree, _ := newTree(t, db)
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iavlStore := newIAVLStore(tree, numHistory)
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key := "hello"
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exists := iavlStore.Has([]byte(key))
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assert.True(t, exists)
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value := iavlStore.Get([]byte(key))
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assert.EqualValues(t, value, treeData[key])
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value2 := "notgoodbye"
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iavlStore.Set([]byte(key), []byte(value2))
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value = iavlStore.Get([]byte(key))
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assert.EqualValues(t, value, value2)
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iavlStore.Delete([]byte(key))
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exists = iavlStore.Has([]byte(key))
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assert.False(t, exists)
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}
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func TestIAVLIterator(t *testing.T) {
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db := dbm.NewMemDB()
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tree, _ := newTree(t, db)
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iavlStore := newIAVLStore(tree, numHistory)
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iter := iavlStore.Iterator([]byte("aloha"), []byte("hellz"))
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expected := []string{"aloha", "hello"}
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var i int
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for i = 0; iter.Valid(); iter.Next() {
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expectedKey := expected[i]
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key, value := iter.Key(), iter.Value()
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assert.EqualValues(t, key, expectedKey)
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assert.EqualValues(t, value, treeData[expectedKey])
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i++
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}
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assert.Equal(t, len(expected), i)
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iter = iavlStore.Iterator([]byte("golang"), []byte("rocks"))
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expected = []string{"hello"}
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for i = 0; iter.Valid(); iter.Next() {
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expectedKey := expected[i]
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key, value := iter.Key(), iter.Value()
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assert.EqualValues(t, key, expectedKey)
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assert.EqualValues(t, value, treeData[expectedKey])
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i++
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}
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assert.Equal(t, len(expected), i)
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iter = iavlStore.Iterator(nil, []byte("golang"))
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expected = []string{"aloha"}
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for i = 0; iter.Valid(); iter.Next() {
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expectedKey := expected[i]
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key, value := iter.Key(), iter.Value()
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assert.EqualValues(t, key, expectedKey)
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assert.EqualValues(t, value, treeData[expectedKey])
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i++
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}
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assert.Equal(t, len(expected), i)
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iter = iavlStore.Iterator(nil, []byte("shalom"))
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expected = []string{"aloha", "hello"}
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for i = 0; iter.Valid(); iter.Next() {
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expectedKey := expected[i]
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key, value := iter.Key(), iter.Value()
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assert.EqualValues(t, key, expectedKey)
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assert.EqualValues(t, value, treeData[expectedKey])
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i++
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}
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assert.Equal(t, len(expected), i)
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iter = iavlStore.Iterator(nil, nil)
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expected = []string{"aloha", "hello"}
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for i = 0; iter.Valid(); iter.Next() {
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expectedKey := expected[i]
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key, value := iter.Key(), iter.Value()
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assert.EqualValues(t, key, expectedKey)
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assert.EqualValues(t, value, treeData[expectedKey])
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i++
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}
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assert.Equal(t, len(expected), i)
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iter = iavlStore.Iterator([]byte("golang"), nil)
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expected = []string{"hello"}
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for i = 0; iter.Valid(); iter.Next() {
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expectedKey := expected[i]
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key, value := iter.Key(), iter.Value()
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assert.EqualValues(t, key, expectedKey)
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assert.EqualValues(t, value, treeData[expectedKey])
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i++
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}
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assert.Equal(t, len(expected), i)
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}
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func TestIAVLSubspaceIterator(t *testing.T) {
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db := dbm.NewMemDB()
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tree, _ := newTree(t, db)
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iavlStore := newIAVLStore(tree, numHistory)
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iavlStore.Set([]byte("test1"), []byte("test1"))
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iavlStore.Set([]byte("test2"), []byte("test2"))
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iavlStore.Set([]byte("test3"), []byte("test3"))
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iavlStore.Set([]byte{byte(55), byte(255), byte(255), byte(0)}, []byte("test4"))
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iavlStore.Set([]byte{byte(55), byte(255), byte(255), byte(1)}, []byte("test4"))
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iavlStore.Set([]byte{byte(55), byte(255), byte(255), byte(255)}, []byte("test4"))
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iavlStore.Set([]byte{byte(255), byte(255), byte(0)}, []byte("test4"))
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iavlStore.Set([]byte{byte(255), byte(255), byte(1)}, []byte("test4"))
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iavlStore.Set([]byte{byte(255), byte(255), byte(255)}, []byte("test4"))
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i := 0
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iter := iavlStore.SubspaceIterator([]byte("test"))
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expected := []string{"test1", "test2", "test3"}
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for i = 0; iter.Valid(); iter.Next() {
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expectedKey := expected[i]
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key, value := iter.Key(), iter.Value()
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assert.EqualValues(t, key, expectedKey)
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assert.EqualValues(t, value, expectedKey)
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i++
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}
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assert.Equal(t, len(expected), i)
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iter = iavlStore.SubspaceIterator([]byte{byte(55), byte(255), byte(255)})
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expected2 := [][]byte{
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[]byte{byte(55), byte(255), byte(255), byte(0)},
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[]byte{byte(55), byte(255), byte(255), byte(1)},
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[]byte{byte(55), byte(255), byte(255), byte(255)},
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}
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for i = 0; iter.Valid(); iter.Next() {
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expectedKey := expected2[i]
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key, value := iter.Key(), iter.Value()
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assert.EqualValues(t, key, expectedKey)
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assert.EqualValues(t, value, []byte("test4"))
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i++
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}
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assert.Equal(t, len(expected), i)
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iter = iavlStore.SubspaceIterator([]byte{byte(255), byte(255)})
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expected2 = [][]byte{
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[]byte{byte(255), byte(255), byte(0)},
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[]byte{byte(255), byte(255), byte(1)},
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[]byte{byte(255), byte(255), byte(255)},
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}
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for i = 0; iter.Valid(); iter.Next() {
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expectedKey := expected2[i]
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key, value := iter.Key(), iter.Value()
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assert.EqualValues(t, key, expectedKey)
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assert.EqualValues(t, value, []byte("test4"))
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i++
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}
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assert.Equal(t, len(expected), i)
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}
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func TestIAVLReverseSubspaceIterator(t *testing.T) {
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db := dbm.NewMemDB()
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tree, _ := newTree(t, db)
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iavlStore := newIAVLStore(tree, numHistory)
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iavlStore.Set([]byte("test1"), []byte("test1"))
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iavlStore.Set([]byte("test2"), []byte("test2"))
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iavlStore.Set([]byte("test3"), []byte("test3"))
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iavlStore.Set([]byte{byte(55), byte(255), byte(255), byte(0)}, []byte("test4"))
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iavlStore.Set([]byte{byte(55), byte(255), byte(255), byte(1)}, []byte("test4"))
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iavlStore.Set([]byte{byte(55), byte(255), byte(255), byte(255)}, []byte("test4"))
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iavlStore.Set([]byte{byte(255), byte(255), byte(0)}, []byte("test4"))
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iavlStore.Set([]byte{byte(255), byte(255), byte(1)}, []byte("test4"))
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iavlStore.Set([]byte{byte(255), byte(255), byte(255)}, []byte("test4"))
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i := 0
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iter := iavlStore.ReverseSubspaceIterator([]byte("test"))
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expected := []string{"test3", "test2", "test1"}
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for i = 0; iter.Valid(); iter.Next() {
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expectedKey := expected[i]
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key, value := iter.Key(), iter.Value()
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assert.EqualValues(t, key, expectedKey)
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assert.EqualValues(t, value, expectedKey)
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i++
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}
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assert.Equal(t, len(expected), i)
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iter = iavlStore.ReverseSubspaceIterator([]byte{byte(55), byte(255), byte(255)})
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expected2 := [][]byte{
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[]byte{byte(55), byte(255), byte(255), byte(255)},
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[]byte{byte(55), byte(255), byte(255), byte(1)},
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[]byte{byte(55), byte(255), byte(255), byte(0)},
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}
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for i = 0; iter.Valid(); iter.Next() {
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expectedKey := expected2[i]
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key, value := iter.Key(), iter.Value()
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assert.EqualValues(t, key, expectedKey)
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assert.EqualValues(t, value, []byte("test4"))
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i++
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}
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assert.Equal(t, len(expected), i)
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iter = iavlStore.ReverseSubspaceIterator([]byte{byte(255), byte(255)})
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expected2 = [][]byte{
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[]byte{byte(255), byte(255), byte(255)},
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[]byte{byte(255), byte(255), byte(1)},
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[]byte{byte(255), byte(255), byte(0)},
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}
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for i = 0; iter.Valid(); iter.Next() {
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expectedKey := expected2[i]
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key, value := iter.Key(), iter.Value()
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assert.EqualValues(t, key, expectedKey)
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assert.EqualValues(t, value, []byte("test4"))
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i++
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}
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assert.Equal(t, len(expected), i)
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}
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func TestIAVLStoreQuery(t *testing.T) {
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db := dbm.NewMemDB()
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tree := iavl.NewVersionedTree(db, cacheSize)
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iavlStore := newIAVLStore(tree, numHistory)
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k, v := []byte("wind"), []byte("blows")
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k2, v2 := []byte("water"), []byte("flows")
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v3 := []byte("is cold")
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// k3, v3 := []byte("earth"), []byte("soes")
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// k4, v4 := []byte("fire"), []byte("woes")
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cid := iavlStore.Commit()
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ver := cid.Version
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query := abci.RequestQuery{Path: "/key", Data: k, Height: ver}
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// set data without commit, doesn't show up
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iavlStore.Set(k, v)
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qres := iavlStore.Query(query)
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assert.Equal(t, uint32(sdk.CodeOK), qres.Code)
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assert.Nil(t, qres.Value)
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// commit it, but still don't see on old version
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cid = iavlStore.Commit()
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qres = iavlStore.Query(query)
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assert.Equal(t, uint32(sdk.CodeOK), qres.Code)
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assert.Nil(t, qres.Value)
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// but yes on the new version
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query.Height = cid.Version
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qres = iavlStore.Query(query)
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assert.Equal(t, uint32(sdk.CodeOK), qres.Code)
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assert.Equal(t, v, qres.Value)
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// modify
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iavlStore.Set(k2, v2)
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iavlStore.Set(k, v3)
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cid = iavlStore.Commit()
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// query will return old values, as height is fixed
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qres = iavlStore.Query(query)
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assert.Equal(t, uint32(sdk.CodeOK), qres.Code)
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assert.Equal(t, v, qres.Value)
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// update to latest in the query and we are happy
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query.Height = cid.Version
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qres = iavlStore.Query(query)
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assert.Equal(t, uint32(sdk.CodeOK), qres.Code)
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assert.Equal(t, v3, qres.Value)
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query2 := abci.RequestQuery{Path: "/key", Data: k2, Height: cid.Version}
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qres = iavlStore.Query(query2)
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assert.Equal(t, uint32(sdk.CodeOK), qres.Code)
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assert.Equal(t, v2, qres.Value)
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// default (height 0) will show latest -1
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query0 := abci.RequestQuery{Path: "/store", Data: k}
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qres = iavlStore.Query(query0)
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assert.Equal(t, uint32(sdk.CodeOK), qres.Code)
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assert.Equal(t, v, qres.Value)
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}
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