98 lines
2.1 KiB
Go
98 lines
2.1 KiB
Go
package list
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import (
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"math/rand"
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"testing"
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dbm "github.com/tendermint/tendermint/libs/db"
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"github.com/tendermint/tendermint/libs/log"
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abci "github.com/tendermint/tendermint/abci/types"
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"github.com/stretchr/testify/require"
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"github.com/cosmos/cosmos-sdk/codec"
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"github.com/cosmos/cosmos-sdk/store/rootmulti"
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sdk "github.com/cosmos/cosmos-sdk/types"
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)
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type TestStruct struct {
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I uint64
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B bool
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}
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func defaultComponents(key sdk.StoreKey) (sdk.Context, *codec.Codec) {
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db := dbm.NewMemDB()
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cms := rootmulti.NewStore(db)
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cms.MountStoreWithDB(key, sdk.StoreTypeIAVL, db)
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cms.LoadLatestVersion()
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ctx := sdk.NewContext(cms, abci.Header{}, false, log.NewNopLogger())
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cdc := codec.New()
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return ctx, cdc
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}
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func TestList(t *testing.T) {
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key := sdk.NewKVStoreKey("test")
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ctx, cdc := defaultComponents(key)
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store := ctx.KVStore(key)
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lm := NewList(cdc, store)
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val := TestStruct{1, true}
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var res TestStruct
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lm.Push(val)
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require.Equal(t, uint64(1), lm.Len())
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lm.Get(uint64(0), &res)
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require.Equal(t, val, res)
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val = TestStruct{2, false}
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lm.Set(uint64(0), val)
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lm.Get(uint64(0), &res)
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require.Equal(t, val, res)
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val = TestStruct{100, false}
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lm.Push(val)
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require.Equal(t, uint64(2), lm.Len())
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lm.Get(uint64(1), &res)
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require.Equal(t, val, res)
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lm.Delete(uint64(1))
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require.Equal(t, uint64(2), lm.Len())
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lm.Iterate(&res, func(index uint64) (brk bool) {
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var temp TestStruct
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lm.Get(index, &temp)
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require.Equal(t, temp, res)
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require.True(t, index != 1)
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return
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})
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lm.Iterate(&res, func(index uint64) (brk bool) {
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lm.Set(index, TestStruct{res.I + 1, !res.B})
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return
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})
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lm.Get(uint64(0), &res)
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require.Equal(t, TestStruct{3, true}, res)
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}
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func TestListRandom(t *testing.T) {
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key := sdk.NewKVStoreKey("test")
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ctx, cdc := defaultComponents(key)
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store := ctx.KVStore(key)
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list := NewList(cdc, store)
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mocklist := []uint32{}
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for i := 0; i < 100; i++ {
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item := rand.Uint32()
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list.Push(item)
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mocklist = append(mocklist, item)
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}
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for k, v := range mocklist {
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var i uint32
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require.NotPanics(t, func() { list.Get(uint64(k), &i) })
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require.Equal(t, v, i)
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}
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}
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