regression-test-project/Autoload/Autoload.gd

extends Node

const screen_size = Vector2(1024, 600)

var start_time: int
var last_time: int

const PRINT_TIME_EVERY_MILISECONDS: int = 5000
var time_to_print_next_time: int = PRINT_TIME_EVERY_MILISECONDS

var time_to_show: int = 25 * 1000  # How long test works in miliseconds

var time_for_each_step: int = -1

var can_be_closed: bool = true

# Each scene runs alone
const alone_steps: Array = [
	"res://CreatingAllThings/CreatingAllThings.tscn",
	"res://Nodes/Nodes.tscn",
	"res://Physics/2D/Physics2D.tscn",
	"res://Physics/3D/Physics3D.tscn",
	"res://ReparentingDeleting/ReparentingDeleting.tscn",
	"res://AutomaticBugs/FunctionExecutor.tscn",  # Only runs
]

var time_object : Object

func _init():
	if ClassDB.class_exists("_Time"):
		time_object = ClassDB.instance("_Time")
	elif ClassDB.class_exists("Time"):
		time_object = ClassDB.instance("Time")
	else:
		time_object = ClassDB.instance("_OS")
		
	
	start_time = time_object.get_ticks_msec()

	# In case when user doesn't provide time
	time_for_each_step = time_to_show / (alone_steps.size())

	for argument in OS.get_cmdline_args():
		if argument.is_valid_float():  # Ignore all non numeric arguments
			time_to_show = int(argument.to_float() * 1000)
			time_for_each_step = time_to_show / (alone_steps.size())
			print("Time set to: " + str(time_to_show / 1000.0) + " seconds with " + str(alone_steps.size()) + " steps, each step will take " + str(time_for_each_step / 1000.0) + " seconds.")
			break  # We only need to take first argument


func _process(delta: float) -> void:
	var current_run_time: int = time_object.get_ticks_msec() - start_time

	# While loop instead if, will allow to properly flush results under heavy operations(e.g. Thread sanitizer)
	while current_run_time > time_to_print_next_time:
		print("Test is running now " + str(int(time_to_print_next_time / 1000)) + " seconds")
		time_to_print_next_time += PRINT_TIME_EVERY_MILISECONDS

	if current_run_time > time_to_show && can_be_closed:
		print("######################## Ending test ########################")
		get_tree().quit()
		
func _exit_tree() -> void:
	time_object.free()