github.com/cosmos/cosmos-sdk@v0.50.10/x/distribution/migrations/v3/migrate_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/runtime"
    11  	"github.com/cosmos/cosmos-sdk/testutil"
    12  	sdk "github.com/cosmos/cosmos-sdk/types"
    13  	moduletestutil "github.com/cosmos/cosmos-sdk/types/module/testutil"
    14  	"github.com/cosmos/cosmos-sdk/x/distribution"
    15  	"github.com/cosmos/cosmos-sdk/x/distribution/exported"
    16  	v3 "github.com/cosmos/cosmos-sdk/x/distribution/migrations/v3"
    17  	"github.com/cosmos/cosmos-sdk/x/distribution/types"
    18  )
    19  
    20  type mockSubspace struct {
    21  	ps types.Params
    22  }
    23  
    24  func newMockSubspace(ps types.Params) mockSubspace {
    25  	return mockSubspace{ps: ps}
    26  }
    27  
    28  func (ms mockSubspace) GetParamSet(ctx sdk.Context, ps exported.ParamSet) {
    29  	*ps.(*types.Params) = ms.ps
    30  }
    31  
    32  func TestMigrate(t *testing.T) {
    33  	cdc := moduletestutil.MakeTestEncodingConfig(distribution.AppModuleBasic{}).Codec
    34  	storeKey := storetypes.NewKVStoreKey(v3.ModuleName)
    35  	storeService := runtime.NewKVStoreService(storeKey)
    36  	tKey := storetypes.NewTransientStoreKey("transient_test")
    37  	ctx := testutil.DefaultContext(storeKey, tKey)
    38  	store := ctx.KVStore(storeKey)
    39  
    40  	legacySubspace := newMockSubspace(types.DefaultParams())
    41  	require.NoError(t, v3.MigrateStore(ctx, storeService, legacySubspace, cdc))
    42  
    43  	var res types.Params
    44  	bz := store.Get(v3.ParamsKey)
    45  	require.NoError(t, cdc.Unmarshal(bz, &res))
    46  	require.Equal(t, legacySubspace.ps, res)
    47  }