136 lines
3.8 KiB
Go
136 lines
3.8 KiB
Go
package iavl
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import (
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"testing"
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"time"
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"github.com/stretchr/testify/require"
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"github.com/stretchr/testify/suite"
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corelog "cosmossdk.io/core/log"
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corestore "cosmossdk.io/core/store"
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coretesting "cosmossdk.io/core/testing"
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"cosmossdk.io/store/v2/commitment"
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dbm "cosmossdk.io/store/v2/db"
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)
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func TestCommitterSuite(t *testing.T) {
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s := &commitment.CommitStoreTestSuite{
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NewStore: func(db corestore.KVStoreWithBatch, storeKeys, oldStoreKeys []string, logger corelog.Logger) (*commitment.CommitStore, error) {
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multiTrees := make(map[string]commitment.Tree)
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cfg := DefaultConfig()
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mountTreeFn := func(storeKey string) (commitment.Tree, error) {
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prefixDB := dbm.NewPrefixDB(db, []byte(storeKey))
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return NewIavlTree(prefixDB, logger, cfg), nil
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}
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for _, storeKey := range storeKeys {
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multiTrees[storeKey], _ = mountTreeFn(storeKey)
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}
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oldTrees := make(map[string]commitment.Tree)
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for _, storeKey := range oldStoreKeys {
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oldTrees[storeKey], _ = mountTreeFn(storeKey)
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}
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return commitment.NewCommitStore(multiTrees, oldTrees, db, logger)
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},
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}
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suite.Run(t, s)
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}
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func generateTree() *IavlTree {
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cfg := DefaultConfig()
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db := dbm.NewMemDB()
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return NewIavlTree(db, coretesting.NewNopLogger(), cfg)
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}
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func TestIavlTree(t *testing.T) {
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// generate a new tree
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tree := generateTree()
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require.NotNil(t, tree)
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initVersion, err := tree.GetLatestVersion()
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require.NoError(t, err)
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require.Equal(t, uint64(0), initVersion)
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// write a batch of version 1
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require.NoError(t, tree.Set([]byte("key1"), []byte("value1")))
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require.NoError(t, tree.Set([]byte("key2"), []byte("value2")))
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require.NoError(t, tree.Set([]byte("key3"), []byte("value3")))
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workingHash := tree.WorkingHash()
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require.NotNil(t, workingHash)
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v, err := tree.GetLatestVersion()
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require.NoError(t, err)
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require.Equal(t, uint64(0), v)
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// commit the batch
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commitHash, version, err := tree.Commit()
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require.NoError(t, err)
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require.Equal(t, version, uint64(1))
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require.Equal(t, workingHash, commitHash)
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v, err = tree.GetLatestVersion()
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require.NoError(t, err)
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require.Equal(t, uint64(1), v)
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// ensure we can get expected values
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bz, err := tree.Get(1, []byte("key1"))
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require.NoError(t, err)
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require.Equal(t, []byte("value1"), bz)
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bz, err = tree.Get(2, []byte("key1"))
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require.Error(t, err)
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require.Nil(t, bz)
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// write a batch of version 2
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require.NoError(t, tree.Set([]byte("key4"), []byte("value4")))
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require.NoError(t, tree.Set([]byte("key5"), []byte("value5")))
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require.NoError(t, tree.Set([]byte("key6"), []byte("value6")))
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require.NoError(t, tree.Remove([]byte("key1"))) // delete key1
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version2Hash := tree.WorkingHash()
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require.NotNil(t, version2Hash)
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commitHash, version, err = tree.Commit()
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require.NoError(t, err)
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require.Equal(t, version, uint64(2))
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require.Equal(t, version2Hash, commitHash)
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// get proof for key1
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proof, err := tree.GetProof(1, []byte("key1"))
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require.NoError(t, err)
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require.NotNil(t, proof.GetExist())
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proof, err = tree.GetProof(2, []byte("key1"))
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require.NoError(t, err)
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require.NotNil(t, proof.GetNonexist())
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// write a batch of version 3
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require.NoError(t, tree.Set([]byte("key7"), []byte("value7")))
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require.NoError(t, tree.Set([]byte("key8"), []byte("value8")))
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require.NoError(t, err)
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_, _, err = tree.Commit()
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require.NoError(t, err)
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// prune version 1
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err = tree.Prune(1)
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require.NoError(t, err)
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v, err = tree.GetLatestVersion()
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require.NoError(t, err)
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require.Equal(t, uint64(3), v)
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// async pruning check
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checkErr := func() bool {
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if _, err := tree.tree.LoadVersion(1); err != nil {
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return true
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}
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return false
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}
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require.Eventually(t, checkErr, 2*time.Second, 100*time.Millisecond)
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// load version 2
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err = tree.LoadVersion(2)
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require.NoError(t, err)
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require.Equal(t, version2Hash, tree.WorkingHash())
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// close the db
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require.NoError(t, tree.Close())
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}
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