qapi: allow unions to contain further unions

This extends the QAPI schema validation to permit unions inside unions,
provided the checks for clashing fields pass.

Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20230420102619.348173-4-berrange@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
This commit is contained in:
Daniel P. Berrangé 2023-04-20 11:26:19 +01:00 committed by Markus Armbruster
parent 1e148b545f
commit a17dbc4b79
12 changed files with 234 additions and 3 deletions

View file

@ -706,6 +706,51 @@ static void test_visitor_in_union_flat(TestInputVisitorData *data,
g_assert(&base->enum1 == &tmp->enum1);
}
static void test_visitor_in_union_in_union(TestInputVisitorData *data,
const void *unused)
{
Visitor *v;
g_autoptr(TestUnionInUnion) tmp = NULL;
v = visitor_input_test_init(data,
"{ 'type': 'value-a', "
" 'type-a': 'value-a1', "
" 'integer': 2, "
" 'name': 'fish' }");
visit_type_TestUnionInUnion(v, NULL, &tmp, &error_abort);
g_assert_cmpint(tmp->type, ==, TEST_UNION_ENUM_VALUE_A);
g_assert_cmpint(tmp->u.value_a.type_a, ==, TEST_UNION_ENUMA_VALUE_A1);
g_assert_cmpint(tmp->u.value_a.u.value_a1.integer, ==, 2);
g_assert_cmpint(strcmp(tmp->u.value_a.u.value_a1.name, "fish"), ==, 0);
qapi_free_TestUnionInUnion(tmp);
v = visitor_input_test_init(data,
"{ 'type': 'value-a', "
" 'type-a': 'value-a2', "
" 'integer': 1729, "
" 'size': 87539319 }");
visit_type_TestUnionInUnion(v, NULL, &tmp, &error_abort);
g_assert_cmpint(tmp->type, ==, TEST_UNION_ENUM_VALUE_A);
g_assert_cmpint(tmp->u.value_a.type_a, ==, TEST_UNION_ENUMA_VALUE_A2);
g_assert_cmpint(tmp->u.value_a.u.value_a2.integer, ==, 1729);
g_assert_cmpint(tmp->u.value_a.u.value_a2.size, ==, 87539319);
qapi_free_TestUnionInUnion(tmp);
v = visitor_input_test_init(data,
"{ 'type': 'value-b', "
" 'integer': 1729, "
" 'onoff': true }");
visit_type_TestUnionInUnion(v, NULL, &tmp, &error_abort);
g_assert_cmpint(tmp->type, ==, TEST_UNION_ENUM_VALUE_B);
g_assert_cmpint(tmp->u.value_b.integer, ==, 1729);
g_assert_cmpint(tmp->u.value_b.onoff, ==, true);
}
static void test_visitor_in_alternate(TestInputVisitorData *data,
const void *unused)
{
@ -1216,6 +1261,8 @@ int main(int argc, char **argv)
NULL, test_visitor_in_null);
input_visitor_test_add("/visitor/input/union-flat",
NULL, test_visitor_in_union_flat);
input_visitor_test_add("/visitor/input/union-in-union",
NULL, test_visitor_in_union_in_union);
input_visitor_test_add("/visitor/input/alternate",
NULL, test_visitor_in_alternate);
input_visitor_test_add("/visitor/input/errors",

View file

@ -352,6 +352,62 @@ static void test_visitor_out_union_flat(TestOutputVisitorData *data,
qapi_free_UserDefFlatUnion(tmp);
}
static void test_visitor_out_union_in_union(TestOutputVisitorData *data,
const void *unused)
{
QDict *qdict;
TestUnionInUnion *tmp = g_new0(TestUnionInUnion, 1);
tmp->type = TEST_UNION_ENUM_VALUE_A;
tmp->u.value_a.type_a = TEST_UNION_ENUMA_VALUE_A1;
tmp->u.value_a.u.value_a1.integer = 42;
tmp->u.value_a.u.value_a1.name = g_strdup("fish");
visit_type_TestUnionInUnion(data->ov, NULL, &tmp, &error_abort);
qdict = qobject_to(QDict, visitor_get(data));
g_assert(qdict);
g_assert_cmpstr(qdict_get_str(qdict, "type"), ==, "value-a");
g_assert_cmpstr(qdict_get_str(qdict, "type-a"), ==, "value-a1");
g_assert_cmpint(qdict_get_int(qdict, "integer"), ==, 42);
g_assert_cmpstr(qdict_get_str(qdict, "name"), ==, "fish");
qapi_free_TestUnionInUnion(tmp);
visitor_reset(data);
tmp = g_new0(TestUnionInUnion, 1);
tmp->type = TEST_UNION_ENUM_VALUE_A;
tmp->u.value_a.type_a = TEST_UNION_ENUMA_VALUE_A2;
tmp->u.value_a.u.value_a2.integer = 1729;
tmp->u.value_a.u.value_a2.size = 87539319;
visit_type_TestUnionInUnion(data->ov, NULL, &tmp, &error_abort);
qdict = qobject_to(QDict, visitor_get(data));
g_assert(qdict);
g_assert_cmpstr(qdict_get_str(qdict, "type"), ==, "value-a");
g_assert_cmpstr(qdict_get_str(qdict, "type-a"), ==, "value-a2");
g_assert_cmpint(qdict_get_int(qdict, "integer"), ==, 1729);
g_assert_cmpint(qdict_get_int(qdict, "size"), ==, 87539319);
qapi_free_TestUnionInUnion(tmp);
visitor_reset(data);
tmp = g_new0(TestUnionInUnion, 1);
tmp->type = TEST_UNION_ENUM_VALUE_B;
tmp->u.value_b.integer = 1729;
tmp->u.value_b.onoff = true;
visit_type_TestUnionInUnion(data->ov, NULL, &tmp, &error_abort);
qdict = qobject_to(QDict, visitor_get(data));
g_assert(qdict);
g_assert_cmpstr(qdict_get_str(qdict, "type"), ==, "value-b");
g_assert_cmpint(qdict_get_int(qdict, "integer"), ==, 1729);
g_assert_cmpint(qdict_get_bool(qdict, "onoff"), ==, true);
qapi_free_TestUnionInUnion(tmp);
}
static void test_visitor_out_alternate(TestOutputVisitorData *data,
const void *unused)
{
@ -586,6 +642,8 @@ int main(int argc, char **argv)
&out_visitor_data, test_visitor_out_list_qapi_free);
output_visitor_test_add("/visitor/output/union-flat",
&out_visitor_data, test_visitor_out_union_flat);
output_visitor_test_add("/visitor/output/union-in-union",
&out_visitor_data, test_visitor_out_union_in_union);
output_visitor_test_add("/visitor/output/alternate",
&out_visitor_data, test_visitor_out_alternate);
output_visitor_test_add("/visitor/output/null",