0g-chain/x/community/migrations/v2/store_test.go

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package v2_test
import (
"testing"
"time"
sdkmath "cosmossdk.io/math"
"github.com/stretchr/testify/require"
"github.com/cosmos/cosmos-sdk/testutil"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/kava-labs/kava/app"
v2 "github.com/kava-labs/kava/x/community/migrations/v2"
"github.com/kava-labs/kava/x/community/types"
)
func TestMigrateStore(t *testing.T) {
tApp := app.NewTestApp()
cdc := tApp.AppCodec()
storeKey := sdk.NewKVStoreKey("community")
ctx := testutil.DefaultContext(storeKey, sdk.NewTransientStoreKey("transient_test"))
store := ctx.KVStore(storeKey)
require.Nil(
t,
store.Get(types.ParamsKey),
"params shouldn't exist in store before migration",
)
require.NoError(t, v2.Migrate(ctx, store, cdc))
paramsBytes := store.Get(types.ParamsKey)
require.NotNil(t, paramsBytes, "params should be in store after migration")
var params types.Params
cdc.MustUnmarshal(paramsBytes, &params)
t.Logf("params: %+v", params)
require.Equal(
t,
types.NewParams(
time.Time{},
sdkmath.LegacyNewDec(0),
sdkmath.LegacyNewDec(0),
),
params,
"params should be correct after migration",
)
}