Test iavlStore query
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31f00742e5
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@ -5,10 +5,12 @@ import (
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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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"github.com/tendermint/iavl"
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sdk "github.com/cosmos/cosmos-sdk/types"
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)
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var (
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@ -79,3 +81,63 @@ func TestIAVLIterator(t *testing.T) {
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i += 1
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}
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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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