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[gtest-qofevent.cpp] comprehensive tests for qofevent

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This commit is contained in:
Christopher Lam 2022-10-31 09:43:46 +08:00
parent b87aa004f9
commit 6f80c548e6
2 changed files with 143 additions and 0 deletions
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6
libgnucash/engine/test/CMakeLists.txt
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@ -197,6 +197,11 @@ gtest-qofquerycore.cpp)
gnc_add_test(test-qofquerycore "${test_qofquerycore_SOURCES}"
gtest_engine_INCLUDES gtest_old_engine_LIBS)
set(test_qofevent_SOURCES
gtest-qofevent.cpp)
gnc_add_test(test-qofevent "${test_qofevent_SOURCES}"
gtest_engine_INCLUDES gtest_old_engine_LIBS)
set(test_engine_SOURCES_DIST
dummy.cpp
@ -208,6 +213,7 @@ set(test_engine_SOURCES_DIST
gtest-gnc-datetime.cpp
gtest-import-map.cpp
gtest-qofquerycore.cpp
gtest-qofevent.cpp
test-account-object.cpp
test-address.c
test-business.c

137
libgnucash/engine/test/gtest-qofevent.cpp Normal file
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@ -0,0 +1,137 @@
/********************************************************************\
* gtest-qofevent.cpp -- Unit tests for qofevent.cpp *
* *
* Copyright 2022 Christopher Lam *
* *
* This program is free software; you can redistribute it and/or *
* modify it under the terms of the GNU General Public License as *
* published by the Free Software Foundation; either version 2 of *
* the License, or (at your option) any later version. *
* *
* This program 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 General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License*
* along with this program; if not, contact: *
* *
* Free Software Foundation Voice: +1-617-542-5942 *
* 51 Franklin Street, Fifth Floor Fax: +1-617-542-2652 *
* Boston, MA 02110-1301, USA gnu@gnu.org *
* *
\ *********************************************************************/
#include <config.h>
#include <glib.h>
#include "../test-core/test-engine-stuff.h"
#include "../qofevent.h"
#include "../qofevent-p.h"
#include <gtest/gtest.h>
static void
easy_handler (QofInstance *ent, QofEventId event_type,
gpointer handler_data, gpointer event_data)
{
int *data = static_cast<int*>(handler_data);
int increment = GPOINTER_TO_INT(event_data);
*data = *data + increment;
}
TEST (qofevent, events)
{
QofInstance entity; // qofevents needs a non-null entity.
int data = 1;
// initial setup. register first handler. id is 1. data is initialized at 1.
int id1 = qof_event_register_handler (easy_handler, &data);
EXPECT_EQ (id1, 1);
EXPECT_EQ (data, 1);
// call events. this increment data by 2. data is now 3.
qof_event_gen (&entity, QOF_EVENT_ALL, GINT_TO_POINTER(2));
EXPECT_EQ (data, 3);
// entity is NULL, call events. data is unchanged.
qof_event_gen (NULL, QOF_EVENT_ALL, GINT_TO_POINTER(2));
EXPECT_EQ (data, 3);
// event is QOF_EVENT_NONE, call events. data is unchanged.
qof_event_gen (&entity, QOF_EVENT_NONE, GINT_TO_POINTER(2));
EXPECT_EQ (data, 3);
// call events. this increment data by 2. data is now 5.
qof_event_gen (&entity, QOF_EVENT_ALL, GINT_TO_POINTER(2));
EXPECT_EQ (data, 5);
// suspend, try calling events. data unchanged at 5.
qof_event_suspend ();
qof_event_gen (&entity, QOF_EVENT_ALL, GINT_TO_POINTER(2));
EXPECT_EQ (data, 5);
// although suspended, force events. data changed to 7.
qof_event_force (&entity, QOF_EVENT_ALL, GINT_TO_POINTER(2));
EXPECT_EQ (data, 7);
// resume, call events. data incremented by 2 to 9.
qof_event_resume ();
qof_event_gen (&entity, QOF_EVENT_ALL, GINT_TO_POINTER(2));
EXPECT_EQ (data, 9);
qof_event_unregister_handler (id1);
// no more handler. running events means data is no longer updated.
qof_event_gen (&entity, QOF_EVENT_ALL, GINT_TO_POINTER(2));
EXPECT_EQ (data, 9);
// test handler id is incremented to 2
int id2 = qof_event_register_handler (easy_handler, &data);
EXPECT_EQ (id2, 2);
// test handler id is incremented to 3
int id3 = qof_event_register_handler (easy_handler, &data);
EXPECT_EQ (id3, 3);
qof_event_unregister_handler (id3);
qof_event_unregister_handler (id2);
// handler_id 1 to 3 are now unregistered, the next handler_id is still 4.
int id4 = qof_event_register_handler (easy_handler, &data);
EXPECT_EQ (id4, 4);
qof_event_unregister_handler (id4);
}
static void
compound_handler (QofInstance *ent, QofEventId event_type,
gpointer handler_data, gpointer event_data)
{
QofInstance entity;
int *data = static_cast<int*>(handler_data);
int increment = GPOINTER_TO_INT(event_data);
int id = qof_event_register_handler (easy_handler, &data);
// this handler is immediately deregistered but is not deleted
// until all handlers have run
qof_event_unregister_handler (id);
*data = *data + increment;
}
TEST (qofevent, compound_events)
{
QofInstance entity; // qofevents needs a non-null entity.
int data = 1;
// initial setup. first handler_id is 1. data is initialized at 1.
int id5 = qof_event_register_handler (compound_handler, &data);
EXPECT_EQ (id5, 5);
EXPECT_EQ (data, 1);
// call handlers. this increments data by 2. calling
// compound_handler will cause the deletion to be effected after
// all the handlers have completed.
qof_event_gen (&entity, QOF_EVENT_ALL, GINT_TO_POINTER(2));
EXPECT_EQ (data, 3);
qof_event_unregister_handler (id5);
}