Files
open-wc/src/tools/verify_wmo_scene_resource_cache_state.gd
T

373 lines
10 KiB
GDScript

extends SceneTree
## Asset-free state, ownership, dependency and timing regression for cached WMO scenes.
const CACHE_STATE_SCRIPT := preload(
"res://src/render/wmo/wmo_scene_resource_cache_state.gd"
)
const CACHE_STATE_PATH := "res://src/render/wmo/wmo_scene_resource_cache_state.gd"
const FINALIZER_PATH := "res://src/render/wmo/wmo_scene_resource_finalizer.gd"
const LOADER_PATH := "res://src/scenes/streaming/streaming_world_loader.gd"
func _initialize() -> void:
var failures: Array[String] = []
_verify_invalid_and_request_state(failures)
_verify_direct_missing_and_exclusivity(failures)
_verify_validated_scene_completion(failures)
_verify_failed_request_completion(failures)
_verify_transient_and_full_clear(failures)
_verify_detached_sorted_diagnostics(failures)
_verify_ownership_boundaries(failures)
var elapsed_milliseconds := _verify_bounded_timing(failures)
if not failures.is_empty():
for failure in failures:
push_error("WMO_SCENE_RESOURCE_CACHE_STATE: %s" % failure)
quit(1)
return
print(
"WMO_SCENE_RESOURCE_CACHE_STATE PASS cases=11 iterations=100 elapsed_ms=%.3f"
% elapsed_milliseconds
)
quit(0)
func _verify_invalid_and_request_state(failures: Array[String]) -> void:
var cache_state: RefCounted = CACHE_STATE_SCRIPT.new()
_expect_false(
cache_state.call("remember_request", "", "res://cache/a.tscn"),
"empty normalized path rejected",
failures
)
_expect_false(
cache_state.call("remember_request", "world/a.wmo", ""),
"empty cache path rejected",
failures
)
_expect_true(
cache_state.call("remember_request", "world/a.wmo", "res://cache/a.tscn"),
"valid request accepted",
failures
)
_expect_true(
cache_state.call("has_request", "world/a.wmo"),
"pending request observable",
failures
)
_expect_equal(
int(cache_state.call("pending_request_count")),
1,
"pending request count",
failures
)
_expect_false(
cache_state.call("remember_request", "world/a.wmo", "res://cache/other.tscn"),
"duplicate request rejected",
failures
)
var request_snapshot: Dictionary = cache_state.call("request_paths_snapshot")
_expect_string_equal(
String(request_snapshot.get("world/a.wmo", "")),
"res://cache/a.tscn",
"request cache path preserved",
failures
)
request_snapshot.clear()
_expect_true(
cache_state.call("has_request", "world/a.wmo"),
"request snapshot detached",
failures
)
func _verify_direct_missing_and_exclusivity(failures: Array[String]) -> void:
var cache_state: RefCounted = CACHE_STATE_SCRIPT.new()
_expect_false(cache_state.call("mark_missing", ""), "empty missing rejected", failures)
_expect_true(
cache_state.call("mark_missing", "world/missing.wmo"),
"direct missing accepted",
failures
)
_expect_true(
cache_state.call("is_missing", "world/missing.wmo"),
"direct missing observable",
failures
)
_expect_false(
cache_state.call("mark_missing", "world/missing.wmo"),
"duplicate missing rejected",
failures
)
_expect_false(
cache_state.call(
"remember_request",
"world/missing.wmo",
"res://cache/retry.tscn"
),
"missing path rejects request",
failures
)
func _verify_validated_scene_completion(failures: Array[String]) -> void:
var cache_state: RefCounted = CACHE_STATE_SCRIPT.new()
var validated_scene := PackedScene.new()
cache_state.call("remember_request", "world/b.wmo", "res://cache/b.tscn")
_expect_false(
cache_state.call("complete_request_with_scene", "world/b.wmo", null),
"null completion rejected",
failures
)
_expect_true(
cache_state.call("complete_request_with_scene", "world/b.wmo", validated_scene),
"validated PackedScene completes request",
failures
)
_expect_false(
cache_state.call("has_request", "world/b.wmo"),
"successful completion removes request",
failures
)
_expect_true(
cache_state.call("contains_scene", "world/b.wmo"),
"successful completion cached",
failures
)
_expect_true(
cache_state.call("scene_for", "world/b.wmo") == validated_scene,
"cached PackedScene identity preserved",
failures
)
_expect_false(
cache_state.call("mark_missing", "world/b.wmo"),
"cached scene rejects missing state",
failures
)
func _verify_failed_request_completion(failures: Array[String]) -> void:
var cache_state: RefCounted = CACHE_STATE_SCRIPT.new()
_expect_false(
cache_state.call("complete_request_as_missing", "world/unknown.wmo"),
"unknown request completion rejected",
failures
)
cache_state.call("remember_request", "world/failed.wmo", "res://cache/failed.tscn")
_expect_true(
cache_state.call("complete_request_as_missing", "world/failed.wmo"),
"failed request completes as missing",
failures
)
_expect_true(
cache_state.call("is_missing", "world/failed.wmo"),
"failed request negative-cached",
failures
)
_expect_false(
cache_state.call("has_request", "world/failed.wmo"),
"failed completion removes request",
failures
)
func _verify_transient_and_full_clear(failures: Array[String]) -> void:
var cache_state: RefCounted = CACHE_STATE_SCRIPT.new()
var retained_scene := PackedScene.new()
cache_state.call("remember_request", "world/retained.wmo", "res://retained.tscn")
cache_state.call("complete_request_with_scene", "world/retained.wmo", retained_scene)
cache_state.call("remember_request", "world/pending.wmo", "res://pending.tscn")
cache_state.call("mark_missing", "world/missing.wmo")
cache_state.call("clear_transient_state")
_expect_true(
cache_state.call("scene_for", "world/retained.wmo") == retained_scene,
"transient clear retains PackedScene",
failures
)
_expect_equal(
int(cache_state.call("pending_request_count")),
0,
"transient clear removes requests",
failures
)
_expect_false(
cache_state.call("is_missing", "world/missing.wmo"),
"transient clear removes missing state",
failures
)
cache_state.call("clear_all")
cache_state.call("clear_all")
_expect_false(
cache_state.call("contains_scene", "world/retained.wmo"),
"full clear idempotently releases PackedScene",
failures
)
func _verify_detached_sorted_diagnostics(failures: Array[String]) -> void:
var cache_state: RefCounted = CACHE_STATE_SCRIPT.new()
cache_state.call("remember_request", "world/z.wmo", "res://z.tscn")
cache_state.call("remember_request", "world/a.wmo", "res://a.tscn")
cache_state.call("mark_missing", "world/m.wmo")
var snapshot: Dictionary = cache_state.call("diagnostic_snapshot")
_expect_string_array(
snapshot["request_paths"],
["world/a.wmo", "world/z.wmo"],
"request diagnostics sorted",
failures
)
_expect_string_array(
snapshot["missing_paths"],
["world/m.wmo"],
"missing diagnostics",
failures
)
(snapshot["request_paths"] as Array).clear()
var fresh_snapshot: Dictionary = cache_state.call("diagnostic_snapshot")
_expect_equal(
(fresh_snapshot["request_paths"] as Array).size(),
2,
"diagnostics detached",
failures
)
func _verify_ownership_boundaries(failures: Array[String]) -> void:
var loader_source := _read_text(LOADER_PATH, failures)
var cache_state_source := _read_text(CACHE_STATE_PATH, failures)
var finalizer_source := _read_text(FINALIZER_PATH, failures)
_expect_true(
loader_source.contains("WMO_SCENE_RESOURCE_CACHE_STATE_SCRIPT.new()"),
"loader composes scene cache state",
failures
)
for legacy_field in [
"var _wmo_scene_resource_cache:",
"var _wmo_scene_cache_missing:",
"var _wmo_scene_load_requests:",
]:
_expect_false(
loader_source.contains(legacy_field),
"loader removes %s" % legacy_field,
failures
)
for loader_owned_token in [
"ResourceLoader.",
"FileAccess.",
"WMO_BUILDER_SCRIPT",
"instantiate()",
"Node3D",
"RID",
"Mutex",
"Semaphore",
]:
_expect_false(
cache_state_source.contains(loader_owned_token),
"scene cache state omits %s dependency" % loader_owned_token,
failures
)
for retained_loader_rule in [
"wmo_max_runtime_scene_mb",
"_get_resource_file_size(cache_path)",
]:
_expect_true(
loader_source.contains(retained_loader_rule),
"loader retains %s" % retained_loader_rule,
failures
)
for finalizer_rule in [
"scene.instantiate()",
"is_scene_cache_current",
"instance.free()",
]:
_expect_true(
finalizer_source.contains(finalizer_rule),
"finalizer owns %s" % finalizer_rule,
failures
)
func _verify_bounded_timing(failures: Array[String]) -> float:
var cache_state: RefCounted = CACHE_STATE_SCRIPT.new()
var started_microseconds := Time.get_ticks_usec()
for iteration in range(100):
for scene_index in range(256):
var normalized_path := "world/object_%d.wmo" % scene_index
if scene_index % 3 == 0:
cache_state.call("mark_missing", normalized_path)
else:
cache_state.call(
"remember_request",
normalized_path,
"res://cache/object_%d.tscn" % scene_index
)
if scene_index % 2 == 0:
cache_state.call(
"complete_request_with_scene",
normalized_path,
PackedScene.new()
)
else:
cache_state.call("complete_request_as_missing", normalized_path)
cache_state.call("clear_all")
_expect_equal(
int(cache_state.call("pending_request_count")),
0,
"timing cycle %d clears" % iteration,
failures
)
var elapsed_milliseconds := float(Time.get_ticks_usec() - started_microseconds) / 1000.0
_expect_true(
elapsed_milliseconds < 1000.0,
"100 scene/request cycles remain bounded",
failures
)
return elapsed_milliseconds
func _read_text(path: String, failures: Array[String]) -> String:
var file := FileAccess.open(path, FileAccess.READ)
if file == null:
failures.append("cannot open %s" % path)
return ""
return file.get_as_text()
func _expect_equal(
actual_value: int,
expected_value: int,
label: String,
failures: Array[String]
) -> void:
if actual_value != expected_value:
failures.append("%s expected %d, got %d" % [label, expected_value, actual_value])
func _expect_string_equal(
actual_value: String,
expected_value: String,
label: String,
failures: Array[String]
) -> void:
if actual_value != expected_value:
failures.append("%s expected %s, got %s" % [label, expected_value, actual_value])
func _expect_string_array(
actual_values: Array,
expected_values: Array,
label: String,
failures: Array[String]
) -> void:
if actual_values != expected_values:
failures.append("%s expected %s, got %s" % [label, expected_values, actual_values])
func _expect_true(actual_value: bool, label: String, failures: Array[String]) -> void:
if not actual_value:
failures.append("%s expected true" % label)
func _expect_false(actual_value: bool, label: String, failures: Array[String]) -> void:
if actual_value:
failures.append("%s expected false" % label)