cosmos-sdk/codec/any_test.go

66 lines
1.6 KiB
Go

package codec_test
import (
"errors"
"testing"
"github.com/stretchr/testify/require"
"github.com/cosmos/cosmos-sdk/codec"
"github.com/cosmos/cosmos-sdk/codec/types"
"github.com/cosmos/cosmos-sdk/testutil/testdata"
)
func NewTestInterfaceRegistry() types.InterfaceRegistry {
registry := types.NewInterfaceRegistry()
registry.RegisterInterface("Animal", (*testdata.Animal)(nil))
registry.RegisterImplementations(
(*testdata.Animal)(nil),
&testdata.Dog{},
&testdata.Cat{},
)
return registry
}
func TestMarshalAny(t *testing.T) {
registry := types.NewInterfaceRegistry()
cdc := codec.NewProtoCodec(registry)
kitty := &testdata.Cat{Moniker: "Kitty"}
bz, err := codec.MarshalAny(cdc, kitty)
require.NoError(t, err)
var animal testdata.Animal
// empty registry should fail
err = codec.UnmarshalAny(cdc, &animal, bz)
require.Error(t, err)
// wrong type registration should fail
registry.RegisterImplementations((*testdata.Animal)(nil), &testdata.Dog{})
err = codec.UnmarshalAny(cdc, &animal, bz)
require.Error(t, err)
// should pass
registry = NewTestInterfaceRegistry()
cdc = codec.NewProtoCodec(registry)
err = codec.UnmarshalAny(cdc, &animal, bz)
require.NoError(t, err)
require.Equal(t, kitty, animal)
// nil should fail
registry = NewTestInterfaceRegistry()
err = codec.UnmarshalAny(cdc, nil, bz)
require.Error(t, err)
}
func TestMarshalAnyNonProtoErrors(t *testing.T) {
registry := types.NewInterfaceRegistry()
cdc := codec.NewProtoCodec(registry)
_, err := codec.MarshalAny(cdc, 29)
require.Error(t, err)
require.Equal(t, err, errors.New("can't proto marshal int"))
}