[Qemu-devel] [PATCH 9/9] qapi: test-visiter, pull in gen code, tests for nested structures

[Michael Roth <mdroth@linux.vnet.ibm.com>]

Pull into test files generated from qapi-schema-test.json by
visiter/types generators so we can do unit tests against the generated
code.

Also, add test cases for handling of nested structs/qobjects. Note:
optional members are implemented yet so test case is slightly gimped.

Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
---
 test-visiter.c |   98 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 98 insertions(+), 0 deletions(-)

diff --git a/test-visiter.c b/test-visiter.c
index 4aec8ab..28810d2 100644
--- a/test-visiter.c
+++ b/test-visiter.c
@@ -1,6 +1,8 @@
 #include <glib.h>
 #include "qapi/qmp-output-visiter.h"
 #include "qapi/qmp-input-visiter.h"
+#include "test-qapi-types.h"
+#include "test-qapi-visit.h"
 #include "qemu-objects.h"
 
 typedef struct TestStruct
@@ -37,6 +39,100 @@ static void visit_type_TestStructList(Visiter *m, TestStructList ** obj, const c
     visit_end_list(m, errp);
 }
 
+/* test deep nesting with refs to other user-defined types */
+static void test_nested_structs(void)
+{
+    QmpOutputVisiter *mo;
+    QmpInputVisiter *mi;
+    Visiter *v;
+    UserDefOne ud1;
+    UserDefOne *ud1_p = &ud1, *ud1c_p = NULL;
+    UserDefTwo ud2;
+    UserDefTwo *ud2_p = &ud2, *ud2c_p = NULL;
+    Error *err = NULL;
+    QObject *obj;
+    QString *str;
+
+    ud1.integer = 42;
+    ud1.string = strdup("fourty two");
+
+    /* sanity check */
+    mo = qmp_output_visiter_new();
+    v = qmp_output_get_visiter(mo);
+    visit_type_UserDefOne(v, &ud1_p, "o_O", &err);
+    if (err) {
+        g_error("%s", error_get_pretty(err));
+    }
+    obj = qmp_output_get_qobject(mo);
+    g_assert(obj);
+    qobject_decref(obj);
+
+    ud2.string = strdup("fourty three");
+    ud2.dict.string = strdup("fourty four");
+    ud2.dict.dict.userdef = ud1_p;
+    ud2.dict.dict.string = strdup("fourty five");
+    ud2.dict.has_dict2 = true;
+    ud2.dict.dict2.userdef = ud1_p;
+    ud2.dict.dict2.string = strdup("fourty six");
+
+    /* c type -> qobject */
+    mo = qmp_output_visiter_new();
+    v = qmp_output_get_visiter(mo);
+    visit_type_UserDefTwo(v, &ud2_p, "unused", &err);
+    if (err) {
+        g_error("%s", error_get_pretty(err));
+    }
+    obj = qmp_output_get_qobject(mo);
+    g_assert(obj);
+    str = qobject_to_json_pretty(obj);
+    g_print("%s\n", qstring_get_str(str));
+    QDECREF(str);
+
+    /* qobject -> c type, should match original struct */
+    mi = qmp_input_visiter_new(obj);
+    v = qmp_input_get_visiter(mi);
+    visit_type_UserDefTwo(v, &ud2c_p, "unused", &err);
+    if (err) {
+        g_error("%s", error_get_pretty(err));
+    }
+
+    g_assert(!g_strcmp0(ud2c_p->string, ud2.string));
+    g_assert(!g_strcmp0(ud2c_p->dict.string, ud2.dict.string));
+
+    ud1c_p = ud2c_p->dict.dict.userdef;
+    g_assert(ud1c_p->integer == ud1_p->integer);
+    g_assert(!g_strcmp0(ud1c_p->string, ud1_p->string));
+
+    g_assert(!g_strcmp0(ud2c_p->dict.dict.string, ud2.dict.dict.string));
+
+    /* TODO: ud2.dict.dict2 is optional dict, so these require
+     * visit_start_optional() to be implemented for input visiter
+     */
+    /*
+    ud1c_p = ud2c_p->dict.dict2.userdef;
+    g_assert(ud1c_p->integer == ud1_p->integer);
+    g_assert(!g_strcmp0(ud1c_p->string, ud1_p->string));
+    */
+
+    g_assert(g_strcmp0(ud2c_p->dict.dict2.string, ud2.dict.dict2.string));
+
+    qemu_free(ud1.string);
+    qemu_free(ud2.string);
+    qemu_free(ud2.dict.string);
+    qemu_free(ud2.dict.dict.string);
+    qemu_free(ud2.dict.dict2.string);
+
+    qemu_free(ud1c_p->string);
+    qemu_free(ud1c_p);
+    qemu_free(ud2c_p->string);
+    qemu_free(ud2c_p->dict.string);
+    qemu_free(ud2c_p->dict.dict.string);
+    qemu_free(ud2c_p->dict.dict2.string);
+    qemu_free(ud2c_p);
+
+    qobject_decref(obj);
+}
+
 int main(int argc, char **argv)
 {
     QmpOutputVisiter *mo;
@@ -122,6 +218,8 @@ int main(int argc, char **argv)
 
     qobject_decref(obj);
 
+    g_test_add_func("/0.15/nested_structs", test_nested_structs);
+
     g_test_run();
 
     return 0;
-- 
1.7.0.4