tests: adding key tests

Author: seantking

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

@@ -0,0 +1,20 @@
+package types_test
+
+import (
+	"fmt"
+	"testing"
+
+	"github.com/stretchr/testify/require"
+
+	"github.com/cosmos/ibc-go/modules/apps/27-interchain-accounts/types"
+)
+
+func TestKeyActiveChannel(t *testing.T) {
+	key := types.KeyActiveChannel("owner")
+	require.Equal(t, string(key), "activeChannel/owner")
+}
+
+func TestGetIdentifier(t *testing.T) {
+	identifier := types.GetIdentifier(types.PortID, "channel-0")
+	require.Equal(t, identifier, fmt.Sprintf("%s/channel-0/", types.PortID))
+}