extends SceneTree

var failures: Array[String] = []


func _init() -> void:
	_run.call_deferred()


func _run() -> void:
	var scene: PackedScene = load("res://scenes/ui/rhythm_track.tscn")
	if scene == null:
		push_error("Could not load rhythm_track.tscn")
		quit(1)
		return

	var track := scene.instantiate() as Control
	root.add_child(track)
	await process_frame

	_expect_float(track.anchor_left, 0.5, "RhythmTrack should stay centered")
	_expect_float(track.anchor_right, 0.5, "RhythmTrack should stay centered")
	_expect_bool(track.has_node("JudgementLabel"), true, "RhythmTrack should own its judgement label")

	track.free()
	_finish()


func _expect_float(actual: float, expected: float, label: String) -> void:
	if not is_equal_approx(actual, expected):
		failures.append("%s: expected %.3f, got %.3f" % [label, expected, actual])


func _expect_bool(actual: bool, expected: bool, label: String) -> void:
	if actual != expected:
		failures.append("%s: expected %s, got %s" % [label, expected, actual])


func _finish() -> void:
	if failures.is_empty():
		print("PASS rhythm ui layout")
		quit(0)
	else:
		for failure: String in failures:
			push_error(failure)
		quit(1)