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Diffstat (limited to 'tests/unit/check-qom-proplist.c')
| -rw-r--r-- | tests/unit/check-qom-proplist.c | 638 |
1 files changed, 638 insertions, 0 deletions
diff --git a/tests/unit/check-qom-proplist.c b/tests/unit/check-qom-proplist.c new file mode 100644 index 0000000..1b76581 --- /dev/null +++ b/tests/unit/check-qom-proplist.c @@ -0,0 +1,638 @@ +/* + * Copyright (C) 2015 Red Hat, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library. If not, see + * <http://www.gnu.org/licenses/>. + * + * Author: Daniel P. Berrange <berrange@redhat.com> + */ + +#include "qemu/osdep.h" + +#include "qapi/error.h" +#include "qom/object.h" +#include "qemu/module.h" +#include "qemu/option.h" +#include "qemu/config-file.h" +#include "qom/object_interfaces.h" + + +#define TYPE_DUMMY "qemu-dummy" + +typedef struct DummyObject DummyObject; +typedef struct DummyObjectClass DummyObjectClass; + +DECLARE_INSTANCE_CHECKER(DummyObject, DUMMY_OBJECT, + TYPE_DUMMY) + +typedef enum DummyAnimal DummyAnimal; + +enum DummyAnimal { + DUMMY_FROG, + DUMMY_ALLIGATOR, + DUMMY_PLATYPUS, + + DUMMY_LAST, +}; + +const QEnumLookup dummy_animal_map = { + .array = (const char *const[]) { + [DUMMY_FROG] = "frog", + [DUMMY_ALLIGATOR] = "alligator", + [DUMMY_PLATYPUS] = "platypus", + }, + .size = DUMMY_LAST +}; + +struct DummyObject { + Object parent_obj; + + bool bv; + DummyAnimal av; + char *sv; +}; + +struct DummyObjectClass { + ObjectClass parent_class; +}; + + +static void dummy_set_bv(Object *obj, + bool value, + Error **errp) +{ + DummyObject *dobj = DUMMY_OBJECT(obj); + + dobj->bv = value; +} + +static bool dummy_get_bv(Object *obj, + Error **errp) +{ + DummyObject *dobj = DUMMY_OBJECT(obj); + + return dobj->bv; +} + + +static void dummy_set_av(Object *obj, + int value, + Error **errp) +{ + DummyObject *dobj = DUMMY_OBJECT(obj); + + dobj->av = value; +} + +static int dummy_get_av(Object *obj, + Error **errp) +{ + DummyObject *dobj = DUMMY_OBJECT(obj); + + return dobj->av; +} + + +static void dummy_set_sv(Object *obj, + const char *value, + Error **errp) +{ + DummyObject *dobj = DUMMY_OBJECT(obj); + + g_free(dobj->sv); + dobj->sv = g_strdup(value); +} + +static char *dummy_get_sv(Object *obj, + Error **errp) +{ + DummyObject *dobj = DUMMY_OBJECT(obj); + + return g_strdup(dobj->sv); +} + + +static void dummy_init(Object *obj) +{ + object_property_add_bool(obj, "bv", + dummy_get_bv, + dummy_set_bv); +} + + +static void dummy_class_init(ObjectClass *cls, void *data) +{ + object_class_property_add_str(cls, "sv", + dummy_get_sv, + dummy_set_sv); + object_class_property_add_enum(cls, "av", + "DummyAnimal", + &dummy_animal_map, + dummy_get_av, + dummy_set_av); +} + + +static void dummy_finalize(Object *obj) +{ + DummyObject *dobj = DUMMY_OBJECT(obj); + + g_free(dobj->sv); +} + + +static const TypeInfo dummy_info = { + .name = TYPE_DUMMY, + .parent = TYPE_OBJECT, + .instance_size = sizeof(DummyObject), + .instance_init = dummy_init, + .instance_finalize = dummy_finalize, + .class_size = sizeof(DummyObjectClass), + .class_init = dummy_class_init, + .interfaces = (InterfaceInfo[]) { + { TYPE_USER_CREATABLE }, + { } + } +}; + + +/* + * The following 3 object classes are used to + * simulate the kind of relationships seen in + * qdev, which result in complex object + * property destruction ordering. + * + * DummyDev has a 'bus' child to a DummyBus + * DummyBus has a 'backend' child to a DummyBackend + * DummyDev has a 'backend' link to DummyBackend + * + * When DummyDev is finalized, it unparents the + * DummyBackend, which unparents the DummyDev + * which deletes the 'backend' link from DummyDev + * to DummyBackend. This illustrates that the + * object_property_del_all() method needs to + * cope with the list of properties being changed + * while it iterates over them. + */ +typedef struct DummyDev DummyDev; +typedef struct DummyDevClass DummyDevClass; +typedef struct DummyBus DummyBus; +typedef struct DummyBusClass DummyBusClass; +typedef struct DummyBackend DummyBackend; +typedef struct DummyBackendClass DummyBackendClass; + +#define TYPE_DUMMY_DEV "qemu-dummy-dev" +#define TYPE_DUMMY_BUS "qemu-dummy-bus" +#define TYPE_DUMMY_BACKEND "qemu-dummy-backend" + +DECLARE_INSTANCE_CHECKER(DummyDev, DUMMY_DEV, + TYPE_DUMMY_DEV) +DECLARE_INSTANCE_CHECKER(DummyBus, DUMMY_BUS, + TYPE_DUMMY_BUS) +DECLARE_INSTANCE_CHECKER(DummyBackend, DUMMY_BACKEND, + TYPE_DUMMY_BACKEND) + +struct DummyDev { + Object parent_obj; + + DummyBus *bus; +}; + +struct DummyDevClass { + ObjectClass parent_class; +}; + +struct DummyBus { + Object parent_obj; + + DummyBackend *backend; +}; + +struct DummyBusClass { + ObjectClass parent_class; +}; + +struct DummyBackend { + Object parent_obj; +}; + +struct DummyBackendClass { + ObjectClass parent_class; +}; + + +static void dummy_dev_finalize(Object *obj) +{ + DummyDev *dev = DUMMY_DEV(obj); + + object_unref(OBJECT(dev->bus)); +} + +static void dummy_dev_init(Object *obj) +{ + DummyDev *dev = DUMMY_DEV(obj); + DummyBus *bus = DUMMY_BUS(object_new(TYPE_DUMMY_BUS)); + DummyBackend *backend = DUMMY_BACKEND(object_new(TYPE_DUMMY_BACKEND)); + + object_property_add_child(obj, "bus", OBJECT(bus)); + dev->bus = bus; + object_property_add_child(OBJECT(bus), "backend", OBJECT(backend)); + bus->backend = backend; + + object_property_add_link(obj, "backend", TYPE_DUMMY_BACKEND, + (Object **)&bus->backend, NULL, 0); +} + +static void dummy_dev_unparent(Object *obj) +{ + DummyDev *dev = DUMMY_DEV(obj); + object_unparent(OBJECT(dev->bus)); +} + +static void dummy_dev_class_init(ObjectClass *klass, void *opaque) +{ + klass->unparent = dummy_dev_unparent; +} + + +static void dummy_bus_finalize(Object *obj) +{ + DummyBus *bus = DUMMY_BUS(obj); + + object_unref(OBJECT(bus->backend)); +} + +static void dummy_bus_init(Object *obj) +{ +} + +static void dummy_bus_unparent(Object *obj) +{ + DummyBus *bus = DUMMY_BUS(obj); + object_property_del(obj->parent, "backend"); + object_unparent(OBJECT(bus->backend)); +} + +static void dummy_bus_class_init(ObjectClass *klass, void *opaque) +{ + klass->unparent = dummy_bus_unparent; +} + +static void dummy_backend_init(Object *obj) +{ +} + + +static const TypeInfo dummy_dev_info = { + .name = TYPE_DUMMY_DEV, + .parent = TYPE_OBJECT, + .instance_size = sizeof(DummyDev), + .instance_init = dummy_dev_init, + .instance_finalize = dummy_dev_finalize, + .class_size = sizeof(DummyDevClass), + .class_init = dummy_dev_class_init, +}; + +static const TypeInfo dummy_bus_info = { + .name = TYPE_DUMMY_BUS, + .parent = TYPE_OBJECT, + .instance_size = sizeof(DummyBus), + .instance_init = dummy_bus_init, + .instance_finalize = dummy_bus_finalize, + .class_size = sizeof(DummyBusClass), + .class_init = dummy_bus_class_init, +}; + +static const TypeInfo dummy_backend_info = { + .name = TYPE_DUMMY_BACKEND, + .parent = TYPE_OBJECT, + .instance_size = sizeof(DummyBackend), + .instance_init = dummy_backend_init, + .class_size = sizeof(DummyBackendClass), +}; + +static QemuOptsList qemu_object_opts = { + .name = "object", + .implied_opt_name = "qom-type", + .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head), + .desc = { + { } + }, +}; + + +static void test_dummy_createv(void) +{ + Error *err = NULL; + Object *parent = object_get_objects_root(); + DummyObject *dobj = DUMMY_OBJECT( + object_new_with_props(TYPE_DUMMY, + parent, + "dummy0", + &err, + "bv", "yes", + "sv", "Hiss hiss hiss", + "av", "platypus", + NULL)); + + g_assert(err == NULL); + g_assert_cmpstr(dobj->sv, ==, "Hiss hiss hiss"); + g_assert(dobj->bv == true); + g_assert(dobj->av == DUMMY_PLATYPUS); + + g_assert(object_resolve_path_component(parent, "dummy0") + == OBJECT(dobj)); + + object_unparent(OBJECT(dobj)); +} + + +static Object *new_helper(Error **errp, + Object *parent, + ...) +{ + va_list vargs; + Object *obj; + + va_start(vargs, parent); + obj = object_new_with_propv(TYPE_DUMMY, + parent, + "dummy0", + errp, + vargs); + va_end(vargs); + return obj; +} + +static void test_dummy_createlist(void) +{ + Error *err = NULL; + Object *parent = object_get_objects_root(); + DummyObject *dobj = DUMMY_OBJECT( + new_helper(&err, + parent, + "bv", "yes", + "sv", "Hiss hiss hiss", + "av", "platypus", + NULL)); + + g_assert(err == NULL); + g_assert_cmpstr(dobj->sv, ==, "Hiss hiss hiss"); + g_assert(dobj->bv == true); + g_assert(dobj->av == DUMMY_PLATYPUS); + + g_assert(object_resolve_path_component(parent, "dummy0") + == OBJECT(dobj)); + + object_unparent(OBJECT(dobj)); +} + +static void test_dummy_createcmdl(void) +{ + QemuOpts *opts; + DummyObject *dobj; + Error *err = NULL; + const char *params = TYPE_DUMMY \ + ",id=dev0," \ + "bv=yes,sv=Hiss hiss hiss,av=platypus"; + + qemu_add_opts(&qemu_object_opts); + opts = qemu_opts_parse(&qemu_object_opts, params, true, &err); + g_assert(err == NULL); + g_assert(opts); + + dobj = DUMMY_OBJECT(user_creatable_add_opts(opts, &err)); + g_assert(err == NULL); + g_assert(dobj); + g_assert_cmpstr(dobj->sv, ==, "Hiss hiss hiss"); + g_assert(dobj->bv == true); + g_assert(dobj->av == DUMMY_PLATYPUS); + + user_creatable_del("dev0", &error_abort); + + object_unref(OBJECT(dobj)); + + /* + * cmdline-parsing via qemu_opts_parse() results in a QemuOpts entry + * corresponding to the Object's ID to be added to the QemuOptsList + * for objects. To avoid having this entry conflict with future + * Objects using the same ID (which can happen in cases where + * qemu_opts_parse() is used to parse the object params, such as + * with hmp_object_add() at the time of this comment), we need to + * check for this in user_creatable_del() and remove the QemuOpts if + * it is present. + * + * The below check ensures this works as expected. + */ + g_assert_null(qemu_opts_find(&qemu_object_opts, "dev0")); +} + +static void test_dummy_badenum(void) +{ + Error *err = NULL; + Object *parent = object_get_objects_root(); + Object *dobj = + object_new_with_props(TYPE_DUMMY, + parent, + "dummy0", + &err, + "bv", "yes", + "sv", "Hiss hiss hiss", + "av", "yeti", + NULL); + + g_assert(dobj == NULL); + g_assert(err != NULL); + g_assert_cmpstr(error_get_pretty(err), ==, + "Invalid parameter 'yeti'"); + + g_assert(object_resolve_path_component(parent, "dummy0") + == NULL); + + error_free(err); +} + + +static void test_dummy_getenum(void) +{ + Error *err = NULL; + int val; + Object *parent = object_get_objects_root(); + DummyObject *dobj = DUMMY_OBJECT( + object_new_with_props(TYPE_DUMMY, + parent, + "dummy0", + &err, + "av", "platypus", + NULL)); + + g_assert(err == NULL); + g_assert(dobj->av == DUMMY_PLATYPUS); + + val = object_property_get_enum(OBJECT(dobj), + "av", + "DummyAnimal", + &error_abort); + g_assert(val == DUMMY_PLATYPUS); + + /* A bad enum type name */ + val = object_property_get_enum(OBJECT(dobj), + "av", + "BadAnimal", + &err); + g_assert(val == -1); + error_free_or_abort(&err); + + /* A non-enum property name */ + val = object_property_get_enum(OBJECT(dobj), + "iv", + "DummyAnimal", + &err); + g_assert(val == -1); + error_free_or_abort(&err); + + object_unparent(OBJECT(dobj)); +} + + +static void test_dummy_prop_iterator(ObjectPropertyIterator *iter, + const char *expected[], int n) +{ + ObjectProperty *prop; + int i; + + while ((prop = object_property_iter_next(iter))) { + for (i = 0; i < n; i++) { + if (!g_strcmp0(prop->name, expected[i])) { + break; + } + } + g_assert(i < n); + expected[i] = NULL; + } + + for (i = 0; i < n; i++) { + g_assert(!expected[i]); + } +} + +static void test_dummy_iterator(void) +{ + const char *expected[] = { + "type", /* inherited from TYPE_OBJECT */ + "sv", "av", /* class properties */ + "bv"}; /* instance property */ + Object *parent = object_get_objects_root(); + DummyObject *dobj = DUMMY_OBJECT( + object_new_with_props(TYPE_DUMMY, + parent, + "dummy0", + &error_abort, + "bv", "yes", + "sv", "Hiss hiss hiss", + "av", "platypus", + NULL)); + ObjectPropertyIterator iter; + + object_property_iter_init(&iter, OBJECT(dobj)); + test_dummy_prop_iterator(&iter, expected, ARRAY_SIZE(expected)); + object_unparent(OBJECT(dobj)); +} + +static void test_dummy_class_iterator(void) +{ + const char *expected[] = { "type", "av", "sv" }; + ObjectPropertyIterator iter; + ObjectClass *klass = object_class_by_name(TYPE_DUMMY); + + object_class_property_iter_init(&iter, klass); + test_dummy_prop_iterator(&iter, expected, ARRAY_SIZE(expected)); +} + +static void test_dummy_delchild(void) +{ + Object *parent = object_get_objects_root(); + DummyDev *dev = DUMMY_DEV( + object_new_with_props(TYPE_DUMMY_DEV, + parent, + "dev0", + &error_abort, + NULL)); + + object_unparent(OBJECT(dev)); +} + +static void test_qom_partial_path(void) +{ + Object *root = object_get_objects_root(); + Object *cont1 = container_get(root, "/cont1"); + Object *obj1 = object_new(TYPE_DUMMY); + Object *obj2a = object_new(TYPE_DUMMY); + Object *obj2b = object_new(TYPE_DUMMY); + bool ambiguous; + + /* Objects created: + * /cont1 + * /cont1/obj1 + * /cont1/obj2 (obj2a) + * /obj2 (obj2b) + */ + object_property_add_child(cont1, "obj1", obj1); + object_unref(obj1); + object_property_add_child(cont1, "obj2", obj2a); + object_unref(obj2a); + object_property_add_child(root, "obj2", obj2b); + object_unref(obj2b); + + ambiguous = false; + g_assert(!object_resolve_path_type("", TYPE_DUMMY, &ambiguous)); + g_assert(ambiguous); + g_assert(!object_resolve_path_type("", TYPE_DUMMY, NULL)); + + ambiguous = false; + g_assert(!object_resolve_path("obj2", &ambiguous)); + g_assert(ambiguous); + g_assert(!object_resolve_path("obj2", NULL)); + + ambiguous = false; + g_assert(object_resolve_path("obj1", &ambiguous) == obj1); + g_assert(!ambiguous); + g_assert(object_resolve_path("obj1", NULL) == obj1); + + object_unparent(obj2b); + object_unparent(cont1); +} + +int main(int argc, char **argv) +{ + g_test_init(&argc, &argv, NULL); + + module_call_init(MODULE_INIT_QOM); + type_register_static(&dummy_info); + type_register_static(&dummy_dev_info); + type_register_static(&dummy_bus_info); + type_register_static(&dummy_backend_info); + + g_test_add_func("/qom/proplist/createlist", test_dummy_createlist); + g_test_add_func("/qom/proplist/createv", test_dummy_createv); + g_test_add_func("/qom/proplist/createcmdline", test_dummy_createcmdl); + g_test_add_func("/qom/proplist/badenum", test_dummy_badenum); + g_test_add_func("/qom/proplist/getenum", test_dummy_getenum); + g_test_add_func("/qom/proplist/iterator", test_dummy_iterator); + g_test_add_func("/qom/proplist/class_iterator", test_dummy_class_iterator); + g_test_add_func("/qom/proplist/delchild", test_dummy_delchild); + g_test_add_func("/qom/resolve/partial", test_qom_partial_path); + + return g_test_run(); +} |