test: add unmarshaling test

modules/apps/27-interchain-accounts/types/codec_test.go

@@ -1,16 +1,41 @@
 package types_test
 
 import (
+	"fmt"
+
 	"github.com/cosmos/cosmos-sdk/codec"
 	sdk "github.com/cosmos/cosmos-sdk/types"
 	banktypes "github.com/cosmos/cosmos-sdk/x/bank/types"
 	govtypes "github.com/cosmos/cosmos-sdk/x/gov/types/v1beta1"
 	"github.com/cosmos/gogoproto/proto"
 
 	"github.com/cosmos/ibc-go/v7/modules/apps/27-interchain-accounts/types"
+	"github.com/cosmos/ibc-go/v7/modules/core/exported"
 	"github.com/cosmos/ibc-go/v7/testing/simapp"
 )
 
+func (suite *TypesTestSuite) TestUnmarshalCallbackPacketData() {
+	sourceCallbackAddress := "sourceCallbackAddress"
+
+	packetData := types.InterchainAccountPacketData{
+		Type: types.EXECUTE_TX,
+		Data: []byte("data"),
+		Memo: fmt.Sprintf("{\"callbacks\": {\"src_callback_address\": \"%s\"}}", sourceCallbackAddress),
+	}
+
+	types.RegisterInterfaces(types.ModuleCdc.InterfaceRegistry())
+	data, err := types.ModuleCdc.MarshalInterfaceJSON(&packetData)
+	suite.Require().NoError(err)
+
+	var callbackPacketData exported.CallbackPacketData
+	err = suite.chainA.App.AppCodec().UnmarshalInterfaceJSON(data, &callbackPacketData)
+	suite.Require().NoError(err, "failed to unmarshal into callback packet data interface")
+
+	suite.Require().Equal(sourceCallbackAddress, callbackPacketData.GetSourceCallbackAddress())
+	suite.Require().Equal("", callbackPacketData.GetDestCallbackAddress())
+	suite.Require().Equal(uint64(0), callbackPacketData.UserDefinedGasLimit())
+}
+
 // mockSdkMsg defines a mock struct, used for testing codec error scenarios
 type mockSdkMsg struct{}