github.com/cosmos/cosmos-sdk@v0.50.10/x/slashing/migrations/v3/migrator_test.go (about)

     1  package v3_test
     2  
     3  import (
     4  	"testing"
     5  
     6  	"github.com/stretchr/testify/require"
     7  
     8  	storetypes "cosmossdk.io/store/types"
     9  
    10  	"github.com/cosmos/cosmos-sdk/testutil"
    11  	sdk "github.com/cosmos/cosmos-sdk/types"
    12  	moduletestutil "github.com/cosmos/cosmos-sdk/types/module/testutil"
    13  	"github.com/cosmos/cosmos-sdk/x/slashing"
    14  	"github.com/cosmos/cosmos-sdk/x/slashing/exported"
    15  	v3 "github.com/cosmos/cosmos-sdk/x/slashing/migrations/v3"
    16  	"github.com/cosmos/cosmos-sdk/x/slashing/types"
    17  )
    18  
    19  type mockSubspace struct {
    20  	ps types.Params
    21  }
    22  
    23  func newMockSubspace(ps types.Params) mockSubspace {
    24  	return mockSubspace{ps: ps}
    25  }
    26  
    27  func (ms mockSubspace) GetParamSet(ctx sdk.Context, ps exported.ParamSet) {
    28  	*ps.(*types.Params) = ms.ps
    29  }
    30  
    31  func TestMigrate(t *testing.T) {
    32  	cdc := moduletestutil.MakeTestEncodingConfig(slashing.AppModuleBasic{}).Codec
    33  	storeKey := storetypes.NewKVStoreKey(v3.ModuleName)
    34  	tKey := storetypes.NewTransientStoreKey("transient_test")
    35  	ctx := testutil.DefaultContext(storeKey, tKey)
    36  	store := ctx.KVStore(storeKey)
    37  
    38  	legacySubspace := newMockSubspace(types.DefaultParams())
    39  	require.NoError(t, v3.Migrate(ctx, store, legacySubspace, cdc))
    40  
    41  	var res types.Params
    42  	bz := store.Get(v3.ParamsKey)
    43  	require.NoError(t, cdc.Unmarshal(bz, &res))
    44  	require.Equal(t, legacySubspace.ps, res)
    45  }