virtualx-engine/modules/gdscript/tests/gdscript_test_runner_suite.h

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/*  gdscript_test_runner_suite.h                                          */
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#ifndef GDSCRIPT_TEST_RUNNER_SUITE_H
#define GDSCRIPT_TEST_RUNNER_SUITE_H

#include "gdscript_test_runner.h"

#include "tests/test_macros.h"

namespace GDScriptTests {

TEST_SUITE("[Modules][GDScript]") {
	// GDScript 2.0 is still under heavy construction.
	// Allow the tests to fail, but do not ignore errors during development.
	// Update the scripts and expected output as needed.
	TEST_CASE("Script compilation and runtime") {
		bool print_filenames = OS::get_singleton()->get_cmdline_args().find("--print-filenames") != nullptr;
		GDScriptTestRunner runner("modules/gdscript/tests/scripts", true, print_filenames);
		int fail_count = runner.run_tests();
		INFO("Make sure `*.out` files have expected results.");
		REQUIRE_MESSAGE(fail_count == 0, "All GDScript tests should pass.");
	}
}

TEST_CASE("[Modules][GDScript] Load source code dynamically and run it") {
	Ref<GDScript> gdscript = memnew(GDScript);
	gdscript->set_source_code(R"(
extends RefCounted

func _init():
	set_meta("result", 42)
)");
	// A spurious `Condition "err" is true` message is printed (despite parsing being successful and returning `OK`).
	// Silence it.
	ERR_PRINT_OFF;
	const Error error = gdscript->reload();
	ERR_PRINT_ON;
	CHECK_MESSAGE(error == OK, "The script should parse successfully.");

	// Run the script by assigning it to a reference-counted object.
	Ref<RefCounted> ref_counted = memnew(RefCounted);
	ref_counted->set_script(gdscript);
	CHECK_MESSAGE(int(ref_counted->get_meta("result")) == 42, "The script should assign object metadata successfully.");
}

TEST_CASE("[Modules][GDScript] Validate built-in API") {
	GDScriptLanguage *lang = GDScriptLanguage::get_singleton();

	// Validate methods.
	List<MethodInfo> builtin_methods;
	lang->get_public_functions(&builtin_methods);

	SUBCASE("[Modules][GDScript] Validate built-in methods") {
		for (const MethodInfo &mi : builtin_methods) {
			for (int j = 0; j < mi.arguments.size(); j++) {
				PropertyInfo arg = mi.arguments[j];

				TEST_COND((arg.name.is_empty() || arg.name.begins_with("_unnamed_arg")),
						vformat("Unnamed argument in position %d of built-in method '%s'.", j, mi.name));
			}
		}
	}

	// Validate annotations.
	List<MethodInfo> builtin_annotations;
	lang->get_public_annotations(&builtin_annotations);

	SUBCASE("[Modules][GDScript] Validate built-in annotations") {
		for (const MethodInfo &ai : builtin_annotations) {
			for (int j = 0; j < ai.arguments.size(); j++) {
				PropertyInfo arg = ai.arguments[j];

				TEST_COND((arg.name.is_empty() || arg.name.begins_with("_unnamed_arg")),
						vformat("Unnamed argument in position %d of built-in annotation '%s'.", j, ai.name));
			}
		}
	}
}

} // namespace GDScriptTests

#endif // GDSCRIPT_TEST_RUNNER_SUITE_H