82 lines
1.7 KiB
Go
82 lines
1.7 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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cmn "github.com/tendermint/tmlibs/common"
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dbm "github.com/tendermint/tmlibs/db"
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"github.com/tendermint/iavl"
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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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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 += 1
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}
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}
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