Introduce test-qmp-input-visitor

Contains unit-tests for the QMP input visitor implementation.

Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>

1 files changed, 270 insertions, 0 deletions

diff --git a/test-qmp-input-visitor.c b/test-qmp-input-visitor.c
new file mode 100644
index 000000000..1f3ab031f
--- /dev/null
+++ b/test-qmp-input-visitor.c
@@ -0,0 +1,270 @@
+/*
+ * QMP Input Visitor unit-tests.
+ *
+ * Copyright (C) 2011 Red Hat Inc.
+ *
+ * Authors:
+ *  Luiz Capitulino <lcapitulino@redhat.com>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+
+#include <glib.h>
+#include <stdarg.h>
+
+#include "qapi/qmp-input-visitor.h"
+#include "test-qapi-types.h"
+#include "test-qapi-visit.h"
+#include "qemu-objects.h"
+
+typedef struct TestInputVisitorData {
+    QObject *obj;
+    QmpInputVisitor *qiv;
+} TestInputVisitorData;
+
+static void visitor_input_teardown(TestInputVisitorData *data,
+                                   const void *unused)
+{
+    qobject_decref(data->obj);
+    data->obj = NULL;
+
+    if (data->qiv) {
+        qmp_input_visitor_cleanup(data->qiv);
+        data->qiv = NULL;
+    }
+}
+
+/* This is provided instead of a test setup function so that the JSON
+   string used by the tests are kept in the test functions (and not
+   int main()) */
+static Visitor *visitor_input_test_init(TestInputVisitorData *data,
+                                        const char *json_string, ...)
+{
+    Visitor *v;
+    va_list ap;
+
+    va_start(ap, json_string);
+    data->obj = qobject_from_jsonv(json_string, &ap);
+    va_end(ap);
+
+    g_assert(data->obj != NULL);
+
+    data->qiv = qmp_input_visitor_new(data->obj);
+    g_assert(data->qiv != NULL);
+
+    v = qmp_input_get_visitor(data->qiv);
+    g_assert(v != NULL);
+
+    return v;
+}
+
+static void test_visitor_in_int(TestInputVisitorData *data,
+                                const void *unused)
+{
+    int64_t res = 0, value = -42;
+    Error *errp = NULL;
+    Visitor *v;
+
+    v = visitor_input_test_init(data, "%d", value);
+
+    visit_type_int(v, &res, NULL, &errp);
+    g_assert(!error_is_set(&errp));
+    g_assert_cmpint(res, ==, value);
+}
+
+static void test_visitor_in_bool(TestInputVisitorData *data,
+                                 const void *unused)
+{
+    Error *errp = NULL;
+    bool res = false;
+    Visitor *v;
+
+    v = visitor_input_test_init(data, "true");
+
+    visit_type_bool(v, &res, NULL, &errp);
+    g_assert(!error_is_set(&errp));
+    g_assert_cmpint(res, ==, true);
+}
+
+static void test_visitor_in_number(TestInputVisitorData *data,
+                                   const void *unused)
+{
+    double res = 0, value = 3.14;
+    Error *errp = NULL;
+    Visitor *v;
+
+    v = visitor_input_test_init(data, "%f", value);
+
+    visit_type_number(v, &res, NULL, &errp);
+    g_assert(!error_is_set(&errp));
+    g_assert_cmpfloat(res, ==, value);
+}
+
+static void test_visitor_in_string(TestInputVisitorData *data,
+                                   const void *unused)
+{
+    char *res = NULL, *value = (char *) "Q E M U";
+    Error *errp = NULL;
+    Visitor *v;
+
+    v = visitor_input_test_init(data, "%s", value);
+
+    visit_type_str(v, &res, NULL, &errp);
+    g_assert(!error_is_set(&errp));
+    g_assert_cmpstr(res, ==, value);
+
+    g_free(res);
+}
+
+static void test_visitor_in_enum(TestInputVisitorData *data,
+                                 const void *unused)
+{
+    Error *errp = NULL;
+    Visitor *v;
+    EnumOne i;
+
+    for (i = 0; EnumOne_lookup[i]; i++) {
+        EnumOne res = -1;
+
+        v = visitor_input_test_init(data, "%s", EnumOne_lookup[i]);
+
+        visit_type_EnumOne(v, &res, NULL, &errp);
+        g_assert(!error_is_set(&errp));
+        g_assert_cmpint(i, ==, res);
+
+        visitor_input_teardown(data, NULL);
+    }
+
+    data->obj = NULL;
+    data->qiv = NULL;
+}
+
+typedef struct TestStruct
+{
+    int64_t integer;
+    bool boolean;
+    char *string;
+} TestStruct;
+
+static void visit_type_TestStruct(Visitor *v, TestStruct **obj,
+                                  const char *name, Error **errp)
+{
+    visit_start_struct(v, (void **)obj, "TestStruct", name, sizeof(TestStruct),
+                       errp);
+
+    visit_type_int(v, &(*obj)->integer, "integer", errp);
+    visit_type_bool(v, &(*obj)->boolean, "boolean", errp);
+    visit_type_str(v, &(*obj)->string, "string", errp);
+
+    visit_end_struct(v, errp);
+}
+
+static void test_visitor_in_struct(TestInputVisitorData *data,
+                                   const void *unused)
+{
+    TestStruct *p = NULL;
+    Error *errp = NULL;
+    Visitor *v;
+
+    v = visitor_input_test_init(data, "{ 'integer': -42, 'boolean': true, 'string': 'foo' }");
+
+    visit_type_TestStruct(v, &p, NULL, &errp);
+    g_assert(!error_is_set(&errp));
+    g_assert_cmpint(p->integer, ==, -42);
+    g_assert(p->boolean == true);
+    g_assert_cmpstr(p->string, ==, "foo");
+
+    g_free(p->string);
+    g_free(p);
+}
+
+static void check_and_free_str(char *str, const char *cmp)
+{
+    g_assert_cmpstr(str, ==, cmp);
+    g_free(str);
+}
+
+static void test_visitor_in_struct_nested(TestInputVisitorData *data,
+                                          const void *unused)
+{
+    UserDefNested *udp = NULL;
+    Error *errp = NULL;
+    Visitor *v;
+
+    v = visitor_input_test_init(data, "{ 'string0': 'string0', 'dict1': { 'string1': 'string1', 'dict2': { 'userdef1': { 'integer': 42, 'string': 'string' }, 'string2': 'string2'}}}");
+
+    visit_type_UserDefNested(v, &udp, NULL, &errp);
+    g_assert(!error_is_set(&errp));
+
+    check_and_free_str(udp->string0, "string0");
+    check_and_free_str(udp->dict1.string1, "string1");
+    g_assert_cmpint(udp->dict1.dict2.userdef1->integer, ==, 42);
+    check_and_free_str(udp->dict1.dict2.userdef1->string, "string");
+    check_and_free_str(udp->dict1.dict2.string2, "string2");
+    g_assert(udp->dict1.has_dict3 == false);
+
+    g_free(udp->dict1.dict2.userdef1);
+    g_free(udp);
+}
+
+static void test_visitor_in_list(TestInputVisitorData *data,
+                                 const void *unused)
+{
+    UserDefOneList *item, *head = NULL;
+    Error *errp = NULL;
+    Visitor *v;
+    int i;
+
+    v = visitor_input_test_init(data, "[ { 'string': 'string0', 'integer': 42 }, { 'string': 'string1', 'integer': 43 }, { 'string': 'string2', 'integer': 44 } ]");
+
+    visit_type_UserDefOneList(v, &head, NULL, &errp);
+    g_assert(!error_is_set(&errp));
+    g_assert(head != NULL);
+
+    for (i = 0, item = head; item; item = item->next, i++) {
+        char string[12];
+
+        snprintf(string, sizeof(string), "string%d", i);
+        g_assert_cmpstr(item->value->string, ==, string);
+        g_assert_cmpint(item->value->integer, ==, 42 + i);
+    }
+
+    qapi_free_UserDefOneList(head);
+}
+
+static void input_visitor_test_add(const char *testpath,
+                                   TestInputVisitorData *data,
+                                   void (*test_func)(TestInputVisitorData *data, const void *user_data))
+{
+    g_test_add(testpath, TestInputVisitorData, data, NULL, test_func,
+               visitor_input_teardown);
+}
+
+int main(int argc, char **argv)
+{
+    TestInputVisitorData in_visitor_data;
+
+    g_test_init(&argc, &argv, NULL);
+
+    input_visitor_test_add("/visitor/input/int",
+                           &in_visitor_data, test_visitor_in_int);
+    input_visitor_test_add("/visitor/input/bool",
+                           &in_visitor_data, test_visitor_in_bool);
+    input_visitor_test_add("/visitor/input/number",
+                           &in_visitor_data, test_visitor_in_number);
+    input_visitor_test_add("/visitor/input/string",
+                            &in_visitor_data, test_visitor_in_string);
+    input_visitor_test_add("/visitor/input/enum",
+                            &in_visitor_data, test_visitor_in_enum);
+    input_visitor_test_add("/visitor/input/struct",
+                            &in_visitor_data, test_visitor_in_struct);
+    input_visitor_test_add("/visitor/input/struct-nested",
+                            &in_visitor_data, test_visitor_in_struct_nested);
+    input_visitor_test_add("/visitor/input/list",
+                            &in_visitor_data, test_visitor_in_list);
+
+    g_test_run();
+
+    return 0;
+}