Add test with nested anys

x/gov/types/v1beta2/proposals_test.go

@@ -3,9 +3,13 @@ package v1beta2_test
 import (
 	"fmt"
 	"testing"
+	"time"
 
-	"github.com/cosmos/cosmos-sdk/x/gov/types/v1beta2"
 	"github.com/stretchr/testify/require"
+
+	sdk "github.com/cosmos/cosmos-sdk/types"
+	"github.com/cosmos/cosmos-sdk/x/gov/types/v1beta1"
+	"github.com/cosmos/cosmos-sdk/x/gov/types/v1beta2"
 )
 
 func TestProposalStatus_Format(t *testing.T) {
@@ -23,3 +27,16 @@ func TestProposalStatus_Format(t *testing.T) {
 		require.Equal(t, tt.expectedStringOutput, got)
 	}
 }
+
+// TestNestedAnys tests that we can call .String() on a struct with nested Anys.
+// Here, we're creating a proposal which has a Msg (1st any) with a legacy
+// content (2nd any).
+func TestNestedAnys(t *testing.T) {
+	testProposal := v1beta1.NewTextProposal("Proposal", "testing proposal")
+	msgContent, err := v1beta2.NewLegacyContent(testProposal, "cosmos1govacct")
+	require.NoError(t, err)
+	proposal, err := v1beta2.NewProposal([]sdk.Msg{msgContent}, 1, time.Now(), time.Now())
+	require.NoError(t, err)
+
+	require.Equal(t, "TODO Fix panic here", proposal.String())
+}