godot/tests/test_macros.h

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C++

/*************************************************************************/
/* test_macros.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#ifndef TEST_MACROS_H
#define TEST_MACROS_H
#include "core/input/input_map.h"
#include "core/object/message_queue.h"
#include "core/variant/variant.h"
// See documentation for doctest at:
// https://github.com/onqtam/doctest/blob/master/doc/markdown/readme.md#reference
#include "thirdparty/doctest/doctest.h"
// The test is skipped with this, run pending tests with `--test --no-skip`.
#define TEST_CASE_PENDING(name) TEST_CASE(name *doctest::skip())
// The test case is marked as failed, but does not fail the entire test run.
#define TEST_CASE_MAY_FAIL(name) TEST_CASE(name *doctest::may_fail())
// Provide aliases to conform with Godot naming conventions (see error macros).
#define TEST_COND(cond, ...) DOCTEST_CHECK_FALSE_MESSAGE(cond, __VA_ARGS__)
#define TEST_FAIL(cond, ...) DOCTEST_FAIL(cond, __VA_ARGS__)
#define TEST_FAIL_COND(cond, ...) DOCTEST_REQUIRE_FALSE_MESSAGE(cond, __VA_ARGS__)
#define TEST_FAIL_COND_WARN(cond, ...) DOCTEST_WARN_FALSE_MESSAGE(cond, __VA_ARGS__)
// Temporarily disable error prints to test failure paths.
// This allows to avoid polluting the test summary with error messages.
// The `_print_error_enabled` boolean is defined in `core/print_string.cpp` and
// works at global scope. It's used by various loggers in `should_log()` method,
// which are used by error macros which call into `OS::print_error`, effectively
// disabling any error messages to be printed from the engine side (not tests).
#define ERR_PRINT_OFF _print_error_enabled = false;
#define ERR_PRINT_ON _print_error_enabled = true;
// Stringify all `Variant` compatible types for doctest output by default.
// https://github.com/onqtam/doctest/blob/master/doc/markdown/stringification.md
#define DOCTEST_STRINGIFY_VARIANT(m_type) \
template <> \
struct doctest::StringMaker<m_type> { \
static doctest::String convert(const m_type &p_val) { \
const Variant val = p_val; \
return val.operator ::String().utf8().get_data(); \
} \
};
#define DOCTEST_STRINGIFY_VARIANT_POINTER(m_type) \
template <> \
struct doctest::StringMaker<m_type> { \
static doctest::String convert(const m_type *p_val) { \
const Variant val = p_val; \
return val.operator ::String().utf8().get_data(); \
} \
};
DOCTEST_STRINGIFY_VARIANT(Variant);
DOCTEST_STRINGIFY_VARIANT(::String); // Disambiguate from `doctest::String`.
DOCTEST_STRINGIFY_VARIANT(Vector2);
DOCTEST_STRINGIFY_VARIANT(Vector2i);
DOCTEST_STRINGIFY_VARIANT(Rect2);
DOCTEST_STRINGIFY_VARIANT(Rect2i);
DOCTEST_STRINGIFY_VARIANT(Vector3);
DOCTEST_STRINGIFY_VARIANT(Vector3i);
DOCTEST_STRINGIFY_VARIANT(Transform2D);
DOCTEST_STRINGIFY_VARIANT(Plane);
DOCTEST_STRINGIFY_VARIANT(Quaternion);
DOCTEST_STRINGIFY_VARIANT(AABB);
DOCTEST_STRINGIFY_VARIANT(Basis);
DOCTEST_STRINGIFY_VARIANT(Transform3D);
DOCTEST_STRINGIFY_VARIANT(::Color); // Disambiguate from `doctest::Color`.
DOCTEST_STRINGIFY_VARIANT(StringName);
DOCTEST_STRINGIFY_VARIANT(NodePath);
DOCTEST_STRINGIFY_VARIANT(RID);
DOCTEST_STRINGIFY_VARIANT_POINTER(Object);
DOCTEST_STRINGIFY_VARIANT(Callable);
DOCTEST_STRINGIFY_VARIANT(Signal);
DOCTEST_STRINGIFY_VARIANT(Dictionary);
DOCTEST_STRINGIFY_VARIANT(Array);
DOCTEST_STRINGIFY_VARIANT(PackedByteArray);
DOCTEST_STRINGIFY_VARIANT(PackedInt32Array);
DOCTEST_STRINGIFY_VARIANT(PackedInt64Array);
DOCTEST_STRINGIFY_VARIANT(PackedFloat32Array);
DOCTEST_STRINGIFY_VARIANT(PackedFloat64Array);
DOCTEST_STRINGIFY_VARIANT(PackedStringArray);
DOCTEST_STRINGIFY_VARIANT(PackedVector2Array);
DOCTEST_STRINGIFY_VARIANT(PackedVector3Array);
DOCTEST_STRINGIFY_VARIANT(PackedColorArray);
// Register test commands to be launched from the command-line.
// For instance: REGISTER_TEST_COMMAND("gdscript-parser" &test_parser_func).
// Example usage: `godot --test gdscript-parser`.
typedef void (*TestFunc)();
extern HashMap<String, TestFunc> *test_commands;
int register_test_command(String p_command, TestFunc p_function);
#define REGISTER_TEST_COMMAND(m_command, m_function) \
DOCTEST_GLOBAL_NO_WARNINGS(DOCTEST_ANONYMOUS(_DOCTEST_ANON_VAR_)) = \
register_test_command(m_command, m_function); \
DOCTEST_GLOBAL_NO_WARNINGS_END()
// Utility macros to send an event actions to a given object
// Requires Message Queue and InputMap to be setup.
// SEND_GUI_ACTION - takes an object and a input map key. e.g SEND_GUI_ACTION(code_edit, "ui_text_newline").
// SEND_GUI_KEY_EVENT - takes an object and a keycode set. e.g SEND_GUI_KEY_EVENT(code_edit, Key::A | KeyModifierMask::CMD).
// SEND_GUI_MOUSE_BUTTON_EVENT - takes an object, position, mouse button, mouse mask and modifiers e.g SEND_GUI_MOUSE_BUTTON_EVENT(code_edit, Vector2(50, 50), MOUSE_BUTTON_NONE, MOUSE_BUTTON_NONE, Key::None);
// SEND_GUI_MOUSE_BUTTON_RELEASED_EVENT - takes an object, position, mouse button, mouse mask and modifiers e.g SEND_GUI_MOUSE_BUTTON_RELEASED_EVENT(code_edit, Vector2(50, 50), MOUSE_BUTTON_NONE, MOUSE_BUTTON_NONE, Key::None);
// SEND_GUI_MOUSE_MOTION_EVENT - takes an object, position, mouse mask and modifiers e.g SEND_GUI_MOUSE_MOTION_EVENT(code_edit, Vector2(50, 50), MouseButton::MASK_LEFT, KeyModifierMask::CMD);
// SEND_GUI_DOUBLE_CLICK - takes an object, position and modifiers. e.g SEND_GUI_DOUBLE_CLICK(code_edit, Vector2(50, 50), KeyModifierMask::CMD);
#define SEND_GUI_ACTION(m_object, m_action) \
{ \
const List<Ref<InputEvent>> *events = InputMap::get_singleton()->action_get_events(m_action); \
const List<Ref<InputEvent>>::Element *first_event = events->front(); \
Ref<InputEventKey> event = first_event->get(); \
event->set_pressed(true); \
m_object->get_viewport()->push_input(event); \
MessageQueue::get_singleton()->flush(); \
}
#define SEND_GUI_KEY_EVENT(m_object, m_input) \
{ \
Ref<InputEventKey> event = InputEventKey::create_reference(m_input); \
event->set_pressed(true); \
m_object->get_viewport()->push_input(event); \
MessageQueue::get_singleton()->flush(); \
}
#define _UPDATE_EVENT_MODIFERS(m_event, m_modifers) \
m_event->set_shift_pressed(((m_modifers)&KeyModifierMask::SHIFT) != Key::NONE); \
m_event->set_alt_pressed(((m_modifers)&KeyModifierMask::ALT) != Key::NONE); \
m_event->set_ctrl_pressed(((m_modifers)&KeyModifierMask::CTRL) != Key::NONE); \
m_event->set_command_pressed(((m_modifers)&KeyModifierMask::CMD) != Key::NONE); \
m_event->set_meta_pressed(((m_modifers)&KeyModifierMask::META) != Key::NONE);
#define _CREATE_GUI_MOUSE_EVENT(m_object, m_local_pos, m_input, m_mask, m_modifers) \
Ref<InputEventMouseButton> event; \
event.instantiate(); \
event->set_position(m_local_pos); \
event->set_button_index(m_input); \
event->set_button_mask(m_mask); \
event->set_factor(1); \
_UPDATE_EVENT_MODIFERS(event, m_modifers); \
event->set_pressed(true);
#define SEND_GUI_MOUSE_BUTTON_EVENT(m_object, m_local_pos, m_input, m_mask, m_modifers) \
{ \
_CREATE_GUI_MOUSE_EVENT(m_object, m_local_pos, m_input, m_mask, m_modifers); \
m_object->get_viewport()->push_input(event); \
MessageQueue::get_singleton()->flush(); \
}
#define SEND_GUI_MOUSE_BUTTON_RELEASED_EVENT(m_object, m_local_pos, m_input, m_mask, m_modifers) \
{ \
_CREATE_GUI_MOUSE_EVENT(m_object, m_local_pos, m_input, m_mask, m_modifers); \
event->set_pressed(false); \
m_object->get_viewport()->push_input(event); \
MessageQueue::get_singleton()->flush(); \
}
#define SEND_GUI_DOUBLE_CLICK(m_object, m_local_pos, m_modifers) \
{ \
_CREATE_GUI_MOUSE_EVENT(m_object, m_local_pos, MouseButton::LEFT, MouseButton::LEFT, m_modifers); \
event->set_double_click(true); \
m_object->get_viewport()->push_input(event); \
MessageQueue::get_singleton()->flush(); \
}
// We toogle _print_error_enabled to prevent display server not supported warnings.
#define SEND_GUI_MOUSE_MOTION_EVENT(m_object, m_local_pos, m_mask, m_modifers) \
{ \
bool errors_enabled = _print_error_enabled; \
_print_error_enabled = false; \
Ref<InputEventMouseMotion> event; \
event.instantiate(); \
event->set_position(m_local_pos); \
event->set_button_mask(m_mask); \
event->set_relative(Vector2(10, 10)); \
_UPDATE_EVENT_MODIFERS(event, m_modifers); \
m_object->get_viewport()->push_input(event); \
MessageQueue::get_singleton()->flush(); \
_print_error_enabled = errors_enabled; \
}
// Utility class / macros for testing signals
//
// Use SIGNAL_WATCH(*object, "signal_name") to start watching
// Makes sure to call SIGNAL_UNWATCH(*object, "signal_name") to stop watching in cleanup, this is not done automatically.
//
// The SignalWatcher will capture all signals and their args sent between checks.
//
// Use SIGNAL_CHECK("signal_name"), Vector<Vector<Variant>>), to check the arguments of all fired signals.
// The outer vector is each fired signal, the inner vector the list of arguments for that signal. Order does matter.
//
// Use SIGNAL_CHECK_FALSE("signal_name") to check if a signal was not fired.
//
// Use SIGNAL_DISCARD("signal_name") to discard records all of the given signal, use only in placed you don't need to check.
//
// All signals are automatically discarded between test/sub test cases.
class SignalWatcher : public Object {
private:
inline static SignalWatcher *singleton;
/* Equal to: RBMap<String, Vector<Vector<Variant>>> */
HashMap<String, Array> _signals;
void _add_signal_entry(const Array &p_args, const String &p_name) {
if (!_signals.has(p_name)) {
_signals[p_name] = Array();
}
_signals[p_name].push_back(p_args);
}
void _signal_callback_zero(const String &p_name) {
Array args;
_add_signal_entry(args, p_name);
}
void _signal_callback_one(Variant p_arg1, const String &p_name) {
Array args;
args.push_back(p_arg1);
_add_signal_entry(args, p_name);
}
void _signal_callback_two(Variant p_arg1, Variant p_arg2, const String &p_name) {
Array args;
args.push_back(p_arg1);
args.push_back(p_arg2);
_add_signal_entry(args, p_name);
}
void _signal_callback_three(Variant p_arg1, Variant p_arg2, Variant p_arg3, const String &p_name) {
Array args;
args.push_back(p_arg1);
args.push_back(p_arg2);
args.push_back(p_arg3);
_add_signal_entry(args, p_name);
}
public:
static SignalWatcher *get_singleton() { return singleton; }
void watch_signal(Object *p_object, const String &p_signal) {
Vector<Variant> args;
args.push_back(p_signal);
MethodInfo method_info;
ClassDB::get_signal(p_object->get_class(), p_signal, &method_info);
switch (method_info.arguments.size()) {
case 0: {
p_object->connect(p_signal, callable_mp(this, &SignalWatcher::_signal_callback_zero), args);
} break;
case 1: {
p_object->connect(p_signal, callable_mp(this, &SignalWatcher::_signal_callback_one), args);
} break;
case 2: {
p_object->connect(p_signal, callable_mp(this, &SignalWatcher::_signal_callback_two), args);
} break;
case 3: {
p_object->connect(p_signal, callable_mp(this, &SignalWatcher::_signal_callback_three), args);
} break;
default: {
MESSAGE("Signal ", p_signal, " arg count not supported.");
} break;
}
}
void unwatch_signal(Object *p_object, const String &p_signal) {
MethodInfo method_info;
ClassDB::get_signal(p_object->get_class(), p_signal, &method_info);
switch (method_info.arguments.size()) {
case 0: {
p_object->disconnect(p_signal, callable_mp(this, &SignalWatcher::_signal_callback_zero));
} break;
case 1: {
p_object->disconnect(p_signal, callable_mp(this, &SignalWatcher::_signal_callback_one));
} break;
case 2: {
p_object->disconnect(p_signal, callable_mp(this, &SignalWatcher::_signal_callback_two));
} break;
case 3: {
p_object->disconnect(p_signal, callable_mp(this, &SignalWatcher::_signal_callback_three));
} break;
default: {
MESSAGE("Signal ", p_signal, " arg count not supported.");
} break;
}
}
bool check(const String &p_name, const Array &p_args) {
if (!_signals.has(p_name)) {
MESSAGE("Signal ", p_name, " not emitted");
return false;
}
if (p_args.size() != _signals[p_name].size()) {
MESSAGE("Signal has " << _signals[p_name] << " expected " << p_args);
discard_signal(p_name);
return false;
}
bool match = true;
for (int i = 0; i < p_args.size(); i++) {
if (((Array)p_args[i]).size() != ((Array)_signals[p_name][i]).size()) {
MESSAGE("Signal has " << _signals[p_name][i] << " expected " << p_args[i]);
match = false;
continue;
}
for (int j = 0; j < ((Array)p_args[i]).size(); j++) {
if (((Array)p_args[i])[j] != ((Array)_signals[p_name][i])[j]) {
MESSAGE("Signal has " << _signals[p_name][i] << " expected " << p_args[i]);
match = false;
break;
}
}
}
discard_signal(p_name);
return match;
}
bool check_false(const String &p_name) {
bool has = _signals.has(p_name);
discard_signal(p_name);
return !has;
}
void discard_signal(const String &p_name) {
if (_signals.has(p_name)) {
_signals.erase(p_name);
}
}
void _clear_signals() {
_signals.clear();
}
SignalWatcher() {
singleton = this;
}
~SignalWatcher() {
singleton = nullptr;
}
};
#define SIGNAL_WATCH(m_object, m_signal) SignalWatcher::get_singleton()->watch_signal(m_object, m_signal);
#define SIGNAL_UNWATCH(m_object, m_signal) SignalWatcher::get_singleton()->unwatch_signal(m_object, m_signal);
#define SIGNAL_CHECK(m_signal, m_args) CHECK(SignalWatcher::get_singleton()->check(m_signal, m_args));
#define SIGNAL_CHECK_FALSE(m_signal) CHECK(SignalWatcher::get_singleton()->check_false(m_signal));
#define SIGNAL_DISCARD(m_signal) SignalWatcher::get_singleton()->discard_signal(m_signal);
#endif // TEST_MACROS_H