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godot/tests/core/object/test_class_db.h

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/*************************************************************************/
/* test_class_db.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_CLASS_DB_H
#define TEST_CLASS_DB_H
#include "core/core_bind.h"
#include "core/core_constants.h"
#include "core/object/class_db.h"
#include "tests/test_macros.h"
namespace TestClassDB {
struct TypeReference {
StringName name;
bool is_enum = false;
};
struct ConstantData {
String name;
int value = 0;
};
struct EnumData {
StringName name;
List<ConstantData> constants;
_FORCE_INLINE_ bool operator==(const EnumData &p_enum) const {
return p_enum.name == name;
}
};
struct PropertyData {
StringName name;
int index = 0;
StringName getter;
StringName setter;
};
struct ArgumentData {
TypeReference type;
String name;
bool has_defval = false;
Variant defval;
};
struct MethodData {
StringName name;
TypeReference return_type;
List<ArgumentData> arguments;
bool is_virtual = false;
bool is_vararg = false;
};
struct SignalData {
StringName name;
List<ArgumentData> arguments;
};
struct ExposedClass {
StringName name;
StringName base;
bool is_singleton = false;
bool is_instantiable = false;
bool is_ref_counted = false;
ClassDB::APIType api_type;
List<ConstantData> constants;
List<EnumData> enums;
List<PropertyData> properties;
List<MethodData> methods;
List<SignalData> signals_;
const PropertyData *find_property_by_name(const StringName &p_name) const {
for (const PropertyData &E : properties) {
if (E.name == p_name) {
return &E;
}
}
return nullptr;
}
const MethodData *find_method_by_name(const StringName &p_name) const {
for (const MethodData &E : methods) {
if (E.name == p_name) {
return &E;
}
}
return nullptr;
}
};
struct NamesCache {
StringName variant_type = StaticCString::create("Variant");
StringName object_class = StaticCString::create("Object");
StringName ref_counted_class = StaticCString::create("RefCounted");
StringName string_type = StaticCString::create("String");
StringName string_name_type = StaticCString::create("StringName");
StringName node_path_type = StaticCString::create("NodePath");
StringName bool_type = StaticCString::create("bool");
StringName int_type = StaticCString::create("int");
StringName float_type = StaticCString::create("float");
StringName void_type = StaticCString::create("void");
StringName vararg_stub_type = StaticCString::create("@VarArg@");
StringName vector2_type = StaticCString::create("Vector2");
StringName rect2_type = StaticCString::create("Rect2");
StringName vector3_type = StaticCString::create("Vector3");
// Object not included as it must be checked for all derived classes
static constexpr int nullable_types_count = 17;
StringName nullable_types[nullable_types_count] = {
string_type,
string_name_type,
node_path_type,
StaticCString::create(_STR(Array)),
StaticCString::create(_STR(Dictionary)),
StaticCString::create(_STR(Callable)),
StaticCString::create(_STR(Signal)),
StaticCString::create(_STR(PackedByteArray)),
StaticCString::create(_STR(PackedInt32Array)),
StaticCString::create(_STR(PackedInt64rray)),
StaticCString::create(_STR(PackedFloat32Array)),
StaticCString::create(_STR(PackedFloat64Array)),
StaticCString::create(_STR(PackedStringArray)),
StaticCString::create(_STR(PackedVector2Array)),
StaticCString::create(_STR(PackedVector3Array)),
StaticCString::create(_STR(PackedColorArray)),
};
bool is_nullable_type(const StringName &p_type) const {
for (int i = 0; i < nullable_types_count; i++) {
if (p_type == nullable_types[i]) {
return true;
}
}
return false;
}
};
typedef OrderedHashMap<StringName, ExposedClass> ExposedClasses;
struct Context {
Vector<StringName> enum_types;
Vector<StringName> builtin_types;
ExposedClasses exposed_classes;
List<EnumData> global_enums;
NamesCache names_cache;
const ExposedClass *find_exposed_class(const StringName &p_name) const {
ExposedClasses::ConstElement elem = exposed_classes.find(p_name);
return elem ? &elem.value() : nullptr;
}
const ExposedClass *find_exposed_class(const TypeReference &p_type_ref) const {
ExposedClasses::ConstElement elem = exposed_classes.find(p_type_ref.name);
return elem ? &elem.value() : nullptr;
}
bool has_type(const TypeReference &p_type_ref) const {
if (builtin_types.find(p_type_ref.name) >= 0) {
return true;
}
if (p_type_ref.is_enum) {
if (enum_types.find(p_type_ref.name) >= 0) {
return true;
}
// Enum not found. Most likely because none of its constants were bound, so it's empty. That's fine. Use int instead.
return builtin_types.find(names_cache.int_type);
}
return false;
}
};
bool arg_default_value_is_assignable_to_type(const Context &p_context, const Variant &p_val, const TypeReference &p_arg_type, String *r_err_msg = nullptr) {
if (p_arg_type.name == p_context.names_cache.variant_type) {
// Variant can take anything
return true;
}
switch (p_val.get_type()) {
case Variant::NIL:
return p_context.find_exposed_class(p_arg_type) ||
p_context.names_cache.is_nullable_type(p_arg_type.name);
case Variant::BOOL:
return p_arg_type.name == p_context.names_cache.bool_type;
case Variant::INT:
return p_arg_type.name == p_context.names_cache.int_type ||
p_arg_type.name == p_context.names_cache.float_type ||
p_arg_type.is_enum;
case Variant::FLOAT:
return p_arg_type.name == p_context.names_cache.float_type;
case Variant::STRING:
case Variant::STRING_NAME:
return p_arg_type.name == p_context.names_cache.string_type ||
p_arg_type.name == p_context.names_cache.string_name_type ||
p_arg_type.name == p_context.names_cache.node_path_type;
case Variant::NODE_PATH:
return p_arg_type.name == p_context.names_cache.node_path_type;
case Variant::TRANSFORM3D:
case Variant::TRANSFORM2D:
case Variant::BASIS:
case Variant::QUATERNION:
case Variant::PLANE:
case Variant::AABB:
case Variant::COLOR:
case Variant::VECTOR2:
case Variant::RECT2:
case Variant::VECTOR3:
case Variant::RID:
case Variant::ARRAY:
case Variant::DICTIONARY:
case Variant::PACKED_BYTE_ARRAY:
case Variant::PACKED_INT32_ARRAY:
case Variant::PACKED_INT64_ARRAY:
case Variant::PACKED_FLOAT32_ARRAY:
case Variant::PACKED_FLOAT64_ARRAY:
case Variant::PACKED_STRING_ARRAY:
case Variant::PACKED_VECTOR2_ARRAY:
case Variant::PACKED_VECTOR3_ARRAY:
case Variant::PACKED_COLOR_ARRAY:
case Variant::CALLABLE:
case Variant::SIGNAL:
return p_arg_type.name == Variant::get_type_name(p_val.get_type());
case Variant::OBJECT:
return p_context.find_exposed_class(p_arg_type);
case Variant::VECTOR2I:
return p_arg_type.name == p_context.names_cache.vector2_type ||
p_arg_type.name == Variant::get_type_name(p_val.get_type());
case Variant::RECT2I:
return p_arg_type.name == p_context.names_cache.rect2_type ||
p_arg_type.name == Variant::get_type_name(p_val.get_type());
case Variant::VECTOR3I:
return p_arg_type.name == p_context.names_cache.vector3_type ||
p_arg_type.name == Variant::get_type_name(p_val.get_type());
default:
if (r_err_msg) {
*r_err_msg = "Unexpected Variant type: " + itos(p_val.get_type());
}
break;
}
return false;
}
void validate_property(const Context &p_context, const ExposedClass &p_class, const PropertyData &p_prop) {
const MethodData *setter = p_class.find_method_by_name(p_prop.setter);
// Search it in base classes too
const ExposedClass *top = &p_class;
while (!setter && top->base != StringName()) {
top = p_context.find_exposed_class(top->base);
TEST_FAIL_COND(!top, "Class not found '", top->base, "'. Inherited by '", top->name, "'.");
setter = top->find_method_by_name(p_prop.setter);
}
const MethodData *getter = p_class.find_method_by_name(p_prop.getter);
// Search it in base classes too
top = &p_class;
while (!getter && top->base != StringName()) {
top = p_context.find_exposed_class(top->base);
TEST_FAIL_COND(!top, "Class not found '", top->base, "'. Inherited by '", top->name, "'.");
getter = top->find_method_by_name(p_prop.getter);
}
TEST_FAIL_COND((!setter && !getter),
"Couldn't find neither the setter nor the getter for property: '", p_class.name, ".", String(p_prop.name), "'.");
if (setter) {
int setter_argc = p_prop.index != -1 ? 2 : 1;
TEST_FAIL_COND(setter->arguments.size() != setter_argc,
"Invalid property setter argument count: '", p_class.name, ".", String(p_prop.name), "'.");
}
if (getter) {
int getter_argc = p_prop.index != -1 ? 1 : 0;
TEST_FAIL_COND(getter->arguments.size() != getter_argc,
"Invalid property setter argument count: '", p_class.name, ".", String(p_prop.name), "'.");
}
if (getter && setter) {
const ArgumentData &setter_first_arg = setter->arguments.back()->get();
if (getter->return_type.name != setter_first_arg.type.name) {
// Special case for Node::set_name
bool whitelisted = getter->return_type.name == p_context.names_cache.string_name_type &&
setter_first_arg.type.name == p_context.names_cache.string_type;
TEST_FAIL_COND(!whitelisted,
"Return type from getter doesn't match first argument of setter, for property: '", p_class.name, ".", String(p_prop.name), "'.");
}
}
const TypeReference &prop_type_ref = getter ? getter->return_type : setter->arguments.back()->get().type;
const ExposedClass *prop_class = p_context.find_exposed_class(prop_type_ref);
if (prop_class) {
TEST_COND(prop_class->is_singleton,
"Property type is a singleton: '", p_class.name, ".", String(p_prop.name), "'.");
if (p_class.api_type == ClassDB::API_CORE) {
TEST_COND(prop_class->api_type == ClassDB::API_EDITOR,
"Property '", p_class.name, ".", p_prop.name, "' has type '", prop_class->name,
"' from the editor API. Core API cannot have dependencies on the editor API.");
}
} else {
// Look for types that don't inherit Object
TEST_FAIL_COND(!p_context.has_type(prop_type_ref),
"Property type '", prop_type_ref.name, "' not found: '", p_class.name, ".", String(p_prop.name), "'.");
}
if (getter) {
if (p_prop.index != -1) {
const ArgumentData &idx_arg = getter->arguments.front()->get();
if (idx_arg.type.name != p_context.names_cache.int_type) {
// If not an int, it can be an enum
TEST_COND(p_context.enum_types.find(idx_arg.type.name) < 0,
"Invalid type '", idx_arg.type.name, "' for index argument of property getter: '", p_class.name, ".", String(p_prop.name), "'.");
}
}
}
if (setter) {
if (p_prop.index != -1) {
const ArgumentData &idx_arg = setter->arguments.front()->get();
if (idx_arg.type.name != p_context.names_cache.int_type) {
// Assume the index parameter is an enum
// If not an int, it can be an enum
TEST_COND(p_context.enum_types.find(idx_arg.type.name) < 0,
"Invalid type '", idx_arg.type.name, "' for index argument of property setter: '", p_class.name, ".", String(p_prop.name), "'.");
}
}
}
}
void validate_method(const Context &p_context, const ExposedClass &p_class, const MethodData &p_method) {
if (p_method.return_type.name != StringName()) {
const ExposedClass *return_class = p_context.find_exposed_class(p_method.return_type);
if (return_class) {
TEST_COND(return_class->is_singleton,
"Method return type is a singleton: '", p_class.name, ".", p_method.name, "'.");
if (p_class.api_type == ClassDB::API_CORE) {
TEST_COND(return_class->api_type == ClassDB::API_EDITOR,
"Method '", p_class.name, ".", p_method.name, "' has return type '", return_class->name,
"' from the editor API. Core API cannot have dependencies on the editor API.");
}
} else {
// Look for types that don't inherit Object
TEST_FAIL_COND(!p_context.has_type(p_method.return_type),
"Method return type '", p_method.return_type.name, "' not found: '", p_class.name, ".", p_method.name, "'.");
}
}
for (const ArgumentData &F : p_method.arguments) {
const ArgumentData &arg = F;
const ExposedClass *arg_class = p_context.find_exposed_class(arg.type);
if (arg_class) {
TEST_COND(arg_class->is_singleton,
"Argument type is a singleton: '", arg.name, "' of method '", p_class.name, ".", p_method.name, "'.");
if (p_class.api_type == ClassDB::API_CORE) {
TEST_COND(arg_class->api_type == ClassDB::API_EDITOR,
"Argument '", arg.name, "' of method '", p_class.name, ".", p_method.name, "' has type '",
arg_class->name, "' from the editor API. Core API cannot have dependencies on the editor API.");
}
} else {
// Look for types that don't inherit Object
TEST_FAIL_COND(!p_context.has_type(arg.type),
"Argument type '", arg.type.name, "' not found: '", arg.name, "' of method", p_class.name, ".", p_method.name, "'.");
}
if (arg.has_defval) {
String type_error_msg;
bool arg_defval_assignable_to_type = arg_default_value_is_assignable_to_type(p_context, arg.defval, arg.type, &type_error_msg);
String err_msg = vformat("Invalid default value for parameter '%s' of method '%s.%s'.", arg.name, p_class.name, p_method.name);
if (!type_error_msg.is_empty()) {
err_msg += " " + type_error_msg;
}
TEST_COND(!arg_defval_assignable_to_type, err_msg.utf8().get_data());
}
}
}
void validate_signal(const Context &p_context, const ExposedClass &p_class, const SignalData &p_signal) {
for (const ArgumentData &F : p_signal.arguments) {
const ArgumentData &arg = F;
const ExposedClass *arg_class = p_context.find_exposed_class(arg.type);
if (arg_class) {
TEST_COND(arg_class->is_singleton,
"Argument class is a singleton: '", arg.name, "' of signal '", p_class.name, ".", p_signal.name, "'.");
if (p_class.api_type == ClassDB::API_CORE) {
TEST_COND(arg_class->api_type == ClassDB::API_EDITOR,
"Argument '", arg.name, "' of signal '", p_class.name, ".", p_signal.name, "' has type '",
arg_class->name, "' from the editor API. Core API cannot have dependencies on the editor API.");
}
} else {
// Look for types that don't inherit Object
TEST_FAIL_COND(!p_context.has_type(arg.type),
"Argument type '", arg.type.name, "' not found: '", arg.name, "' of signal", p_class.name, ".", p_signal.name, "'.");
}
}
}
void validate_class(const Context &p_context, const ExposedClass &p_exposed_class) {
bool is_derived_type = p_exposed_class.base != StringName();
if (!is_derived_type) {
// Asserts about the base Object class
TEST_FAIL_COND(p_exposed_class.name != p_context.names_cache.object_class,
"Class '", p_exposed_class.name, "' has no base class.");
TEST_FAIL_COND(!p_exposed_class.is_instantiable,
"Object class is not instantiable.");
TEST_FAIL_COND(p_exposed_class.api_type != ClassDB::API_CORE,
"Object class is API is not API_CORE.");
TEST_FAIL_COND(p_exposed_class.is_singleton,
"Object class is registered as a singleton.");
}
TEST_FAIL_COND((p_exposed_class.is_singleton && p_exposed_class.base != p_context.names_cache.object_class),
"Singleton base class '", String(p_exposed_class.base), "' is not Object, for class '", p_exposed_class.name, "'.");
TEST_FAIL_COND((is_derived_type && !p_context.exposed_classes.has(p_exposed_class.base)),
"Base type '", p_exposed_class.base.operator String(), "' does not exist, for class '", p_exposed_class.name, "'.");
for (const PropertyData &F : p_exposed_class.properties) {
validate_property(p_context, p_exposed_class, F);
}
for (const MethodData &F : p_exposed_class.methods) {
validate_method(p_context, p_exposed_class, F);
}
for (const SignalData &F : p_exposed_class.signals_) {
validate_signal(p_context, p_exposed_class, F);
}
}
void add_exposed_classes(Context &r_context) {
List<StringName> class_list;
ClassDB::get_class_list(&class_list);
class_list.sort_custom<StringName::AlphCompare>();
while (class_list.size()) {
StringName class_name = class_list.front()->get();
ClassDB::APIType api_type = ClassDB::get_api_type(class_name);
if (api_type == ClassDB::API_NONE) {
class_list.pop_front();
continue;
}
if (!ClassDB::is_class_exposed(class_name)) {
MESSAGE(vformat("Ignoring class '%s' because it's not exposed.", class_name).utf8().get_data());
class_list.pop_front();
continue;
}
if (!ClassDB::is_class_enabled(class_name)) {
MESSAGE(vformat("Ignoring class '%s' because it's not enabled.", class_name).utf8().get_data());
class_list.pop_front();
continue;
}
ClassDB::ClassInfo *class_info = ClassDB::classes.getptr(class_name);
ExposedClass exposed_class;
exposed_class.name = class_name;
exposed_class.api_type = api_type;
exposed_class.is_singleton = Engine::get_singleton()->has_singleton(class_name);
exposed_class.is_instantiable = class_info->creation_func && !exposed_class.is_singleton;
exposed_class.is_ref_counted = ClassDB::is_parent_class(class_name, "RefCounted");
exposed_class.base = ClassDB::get_parent_class(class_name);
// Add properties
List<PropertyInfo> property_list;
ClassDB::get_property_list(class_name, &property_list, true);
Map<StringName, StringName> accessor_methods;
for (const PropertyInfo &property : property_list) {
if (property.usage & PROPERTY_USAGE_GROUP || property.usage & PROPERTY_USAGE_SUBGROUP || property.usage & PROPERTY_USAGE_CATEGORY || (property.type == Variant::NIL && property.usage & PROPERTY_USAGE_ARRAY)) {
continue;
}
PropertyData prop;
prop.name = property.name;
prop.setter = ClassDB::get_property_setter(class_name, prop.name);
prop.getter = ClassDB::get_property_getter(class_name, prop.name);
if (prop.setter != StringName()) {
accessor_methods[prop.setter] = prop.name;
}
if (prop.getter != StringName()) {
accessor_methods[prop.getter] = prop.name;
}
bool valid = false;
prop.index = ClassDB::get_property_index(class_name, prop.name, &valid);
TEST_FAIL_COND(!valid, "Invalid property: '", exposed_class.name, ".", String(prop.name), "'.");
exposed_class.properties.push_back(prop);
}
// Add methods
List<MethodInfo> virtual_method_list;
ClassDB::get_virtual_methods(class_name, &virtual_method_list, true);
List<MethodInfo> method_list;
ClassDB::get_method_list(class_name, &method_list, true);
method_list.sort();
for (const MethodInfo &E : method_list) {
const MethodInfo &method_info = E;
int argc = method_info.arguments.size();
if (method_info.name.is_empty()) {
continue;
}
MethodData method;
method.name = method_info.name;
if (method_info.flags & METHOD_FLAG_VIRTUAL) {
method.is_virtual = true;
}
PropertyInfo return_info = method_info.return_val;
MethodBind *m = method.is_virtual ? nullptr : ClassDB::get_method(class_name, method_info.name);
method.is_vararg = m && m->is_vararg();
if (!m && !method.is_virtual) {
TEST_FAIL_COND(!virtual_method_list.find(method_info),
"Missing MethodBind for non-virtual method: '", exposed_class.name, ".", method.name, "'.");
// A virtual method without the virtual flag. This is a special case.
// The method Object.free is registered as a virtual method, but without the virtual flag.
// This is because this method is not supposed to be overridden, but called.
// We assume the return type is void.
method.return_type.name = r_context.names_cache.void_type;
// Actually, more methods like this may be added in the future, which could return
// something different. Let's put this check to notify us if that ever happens.
String warn_msg = vformat(
"Notification: New unexpected virtual non-overridable method found. "
"We only expected Object.free, but found '%s.%s'.",
exposed_class.name, method.name);
TEST_FAIL_COND_WARN(
(exposed_class.name != r_context.names_cache.object_class || String(method.name) != "free"),
warn_msg.utf8().get_data());
} else if (return_info.type == Variant::INT && return_info.usage & PROPERTY_USAGE_CLASS_IS_ENUM) {
method.return_type.name = return_info.class_name;
method.return_type.is_enum = true;
} else if (return_info.class_name != StringName()) {
method.return_type.name = return_info.class_name;
bool bad_reference_hint = !method.is_virtual && return_info.hint != PROPERTY_HINT_RESOURCE_TYPE &&
ClassDB::is_parent_class(return_info.class_name, r_context.names_cache.ref_counted_class);
TEST_COND(bad_reference_hint, "Return type is reference but hint is not '" _STR(PROPERTY_HINT_RESOURCE_TYPE) "'.", " Are you returning a reference type by pointer? Method: '",
exposed_class.name, ".", method.name, "'.");
} else if (return_info.hint == PROPERTY_HINT_RESOURCE_TYPE) {
method.return_type.name = return_info.hint_string;
} else if (return_info.type == Variant::NIL && return_info.usage & PROPERTY_USAGE_NIL_IS_VARIANT) {
method.return_type.name = r_context.names_cache.variant_type;
} else if (return_info.type == Variant::NIL) {
method.return_type.name = r_context.names_cache.void_type;
} else {
// NOTE: We don't care about the size and sign of int and float in these tests
method.return_type.name = Variant::get_type_name(return_info.type);
}
for (int i = 0; i < argc; i++) {
PropertyInfo arg_info = method_info.arguments[i];
String orig_arg_name = arg_info.name;
ArgumentData arg;
arg.name = orig_arg_name;
if (arg_info.type == Variant::INT && arg_info.usage & PROPERTY_USAGE_CLASS_IS_ENUM) {
arg.type.name = arg_info.class_name;
arg.type.is_enum = true;
} else if (arg_info.class_name != StringName()) {
arg.type.name = arg_info.class_name;
} else if (arg_info.hint == PROPERTY_HINT_RESOURCE_TYPE) {
arg.type.name = arg_info.hint_string;
} else if (arg_info.type == Variant::NIL) {
arg.type.name = r_context.names_cache.variant_type;
} else {
// NOTE: We don't care about the size and sign of int and float in these tests
arg.type.name = Variant::get_type_name(arg_info.type);
}
if (m && m->has_default_argument(i)) {
arg.has_defval = true;
arg.defval = m->get_default_argument(i);
}
method.arguments.push_back(arg);
}
if (method.is_vararg) {
ArgumentData vararg;
vararg.type.name = r_context.names_cache.vararg_stub_type;
vararg.name = "@varargs@";
method.arguments.push_back(vararg);
}
TEST_COND(exposed_class.find_property_by_name(method.name),
"Method name conflicts with property: '", String(class_name), ".", String(method.name), "'.");
// Methods starting with an underscore are ignored unless they're virtual or used as a property setter or getter.
if (!method.is_virtual && String(method.name)[0] == '_') {
for (const PropertyData &F : exposed_class.properties) {
const PropertyData &prop = F;
if (prop.setter == method.name || prop.getter == method.name) {
exposed_class.methods.push_back(method);
break;
}
}
} else {
exposed_class.methods.push_back(method);
}
}
// Add signals
const HashMap<StringName, MethodInfo> &signal_map = class_info->signal_map;
const StringName *k = nullptr;
while ((k = signal_map.next(k))) {
SignalData signal;
const MethodInfo &method_info = signal_map.get(*k);
signal.name = method_info.name;
int argc = method_info.arguments.size();
for (int i = 0; i < argc; i++) {
PropertyInfo arg_info = method_info.arguments[i];
String orig_arg_name = arg_info.name;
ArgumentData arg;
arg.name = orig_arg_name;
if (arg_info.type == Variant::INT && arg_info.usage & PROPERTY_USAGE_CLASS_IS_ENUM) {
arg.type.name = arg_info.class_name;
arg.type.is_enum = true;
} else if (arg_info.class_name != StringName()) {
arg.type.name = arg_info.class_name;
} else if (arg_info.hint == PROPERTY_HINT_RESOURCE_TYPE) {
arg.type.name = arg_info.hint_string;
} else if (arg_info.type == Variant::NIL) {
arg.type.name = r_context.names_cache.variant_type;
} else {
// NOTE: We don't care about the size and sign of int and float in these tests
arg.type.name = Variant::get_type_name(arg_info.type);
}
signal.arguments.push_back(arg);
}
bool method_conflict = exposed_class.find_property_by_name(signal.name);
// TODO:
// ClassDB allows signal names that conflict with method or property names.
// However registering a signal with a conflicting name is still considered wrong.
// Unfortunately there are some existing cases that are yet to be fixed.
// Until those are fixed we will print a warning instead of failing the test.
String warn_msg = vformat(
"Signal name conflicts with %s: '%s.%s.",
method_conflict ? "method" : "property", class_name, signal.name);
TEST_FAIL_COND_WARN((method_conflict || exposed_class.find_method_by_name(signal.name)),
warn_msg.utf8().get_data());
exposed_class.signals_.push_back(signal);
}
// Add enums and constants
List<String> constants;
ClassDB::get_integer_constant_list(class_name, &constants, true);
const HashMap<StringName, List<StringName>> &enum_map = class_info->enum_map;
k = nullptr;
while ((k = enum_map.next(k))) {
EnumData enum_;
enum_.name = *k;
const List<StringName> &enum_constants = enum_map.get(*k);
for (const StringName &E : enum_constants) {
const StringName &constant_name = E;
TEST_FAIL_COND(String(constant_name).find("::") != -1,
"Enum constant contains '::', check bindings to remove the scope: '",
String(class_name), ".", String(enum_.name), ".", String(constant_name), "'.");
int *value = class_info->constant_map.getptr(constant_name);
TEST_FAIL_COND(!value, "Missing enum constant value: '",
String(class_name), ".", String(enum_.name), ".", String(constant_name), "'.");
constants.erase(constant_name);
ConstantData constant;
constant.name = constant_name;
constant.value = *value;
enum_.constants.push_back(constant);
}
exposed_class.enums.push_back(enum_);
r_context.enum_types.push_back(String(class_name) + "." + String(*k));
}
for (const String &E : constants) {
const String &constant_name = E;
TEST_FAIL_COND(constant_name.find("::") != -1,
"Constant contains '::', check bindings to remove the scope: '",
String(class_name), ".", constant_name, "'.");
int *value = class_info->constant_map.getptr(StringName(E));
TEST_FAIL_COND(!value, "Missing constant value: '", String(class_name), ".", String(constant_name), "'.");
ConstantData constant;
constant.name = constant_name;
constant.value = *value;
exposed_class.constants.push_back(constant);
}
r_context.exposed_classes.insert(class_name, exposed_class);
class_list.pop_front();
}
}
void add_builtin_types(Context &r_context) {
// NOTE: We don't care about the size and sign of int and float in these tests
for (int i = 0; i < Variant::VARIANT_MAX; i++) {
r_context.builtin_types.push_back(Variant::get_type_name(Variant::Type(i)));
}
r_context.builtin_types.push_back(_STR(Variant));
r_context.builtin_types.push_back(r_context.names_cache.vararg_stub_type);
r_context.builtin_types.push_back("void");
}
void add_global_enums(Context &r_context) {
int global_constants_count = CoreConstants::get_global_constant_count();
if (global_constants_count > 0) {
for (int i = 0; i < global_constants_count; i++) {
StringName enum_name = CoreConstants::get_global_constant_enum(i);
if (enum_name != StringName()) {
ConstantData constant;
constant.name = CoreConstants::get_global_constant_name(i);
constant.value = CoreConstants::get_global_constant_value(i);
EnumData enum_;
enum_.name = enum_name;
List<EnumData>::Element *enum_match = r_context.global_enums.find(enum_);
if (enum_match) {
enum_match->get().constants.push_back(constant);
} else {
enum_.constants.push_back(constant);
r_context.global_enums.push_back(enum_);
}
}
}
for (const EnumData &E : r_context.global_enums) {
r_context.enum_types.push_back(E.name);
}
}
// HARDCODED
List<StringName> hardcoded_enums;
hardcoded_enums.push_back("Vector2.Axis");
hardcoded_enums.push_back("Vector2i.Axis");
hardcoded_enums.push_back("Vector3.Axis");
hardcoded_enums.push_back("Vector3i.Axis");
for (const StringName &E : hardcoded_enums) {
// These enums are not generated and must be written manually (e.g.: Vector3.Axis)
// Here, we assume core types do not begin with underscore
r_context.enum_types.push_back(E);
}
}
TEST_SUITE("[ClassDB]") {
TEST_CASE("[ClassDB] Add exposed classes, builtin types, and global enums") {
Context context;
add_exposed_classes(context);
add_builtin_types(context);
add_global_enums(context);
SUBCASE("[ClassDB] Find exposed class") {
const ExposedClass *object_class = context.find_exposed_class(context.names_cache.object_class);
TEST_FAIL_COND(!object_class, "Object class not found.");
TEST_FAIL_COND(object_class->base != StringName(),
"Object class derives from another class: '", object_class->base, "'.");
for (ExposedClasses::Element E = context.exposed_classes.front(); E; E = E.next()) {
validate_class(context, E.value());
}
}
}
}
} // namespace TestClassDB
#endif // TEST_CLASS_DB_H
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