cosmos-sdk/examples/democoin/x/pow/keeper_test.go

58 lines
1.5 KiB
Go

package pow
import (
"testing"
"github.com/stretchr/testify/require"
abci "github.com/tendermint/tendermint/abci/types"
dbm "github.com/tendermint/tendermint/libs/db"
"github.com/tendermint/tendermint/libs/log"
"github.com/cosmos/cosmos-sdk/store"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/cosmos/cosmos-sdk/wire"
auth "github.com/cosmos/cosmos-sdk/x/auth"
bank "github.com/cosmos/cosmos-sdk/x/bank"
)
// possibly share this kind of setup functionality between module testsuites?
func setupMultiStore() (sdk.MultiStore, *sdk.KVStoreKey) {
db := dbm.NewMemDB()
capKey := sdk.NewKVStoreKey("capkey")
ms := store.NewCommitMultiStore(db)
ms.MountStoreWithDB(capKey, sdk.StoreTypeIAVL, db)
ms.LoadLatestVersion()
return ms, capKey
}
func TestPowKeeperGetSet(t *testing.T) {
ms, capKey := setupMultiStore()
cdc := wire.NewCodec()
auth.RegisterBaseAccount(cdc)
am := auth.NewAccountMapper(cdc, capKey, auth.ProtoBaseAccount)
ctx := sdk.NewContext(ms, abci.Header{}, false, log.NewNopLogger())
config := NewConfig("pow", int64(1))
ck := bank.NewKeeper(am)
keeper := NewKeeper(capKey, config, ck, DefaultCodespace)
err := InitGenesis(ctx, keeper, Genesis{uint64(1), uint64(0)})
require.Nil(t, err)
genesis := WriteGenesis(ctx, keeper)
require.Nil(t, err)
require.Equal(t, genesis, Genesis{uint64(1), uint64(0)})
res, err := keeper.GetLastDifficulty(ctx)
require.Nil(t, err)
require.Equal(t, res, uint64(1))
keeper.SetLastDifficulty(ctx, 2)
res, err = keeper.GetLastDifficulty(ctx)
require.Nil(t, err)
require.Equal(t, res, uint64(2))
}