1 files changed, 46 insertions, 0 deletions
diff --git a/addons/gdUnit4/src/spy/GdUnitSpyImpl.gd b/addons/gdUnit4/src/spy/GdUnitSpyImpl.gd
new file mode 100644
index 0000000..e0bcaf2
--- /dev/null
+++ b/addons/gdUnit4/src/spy/GdUnitSpyImpl.gd
@@ -0,0 +1,46 @@
+class_name DoubledSpyClassSourceClassName
+
+const __INSTANCE_ID := "gdunit_doubler_instance_id_{instance_id}"
+
+
+class GdUnitSpyDoublerState:
+	const __SOURCE_CLASS := "{gdunit_source_class}"
+
+	var excluded_methods := PackedStringArray()
+
+	func _init(excluded_methods__ := PackedStringArray()) -> void:
+		excluded_methods = excluded_methods__
+
+
+var __spy_state := GdUnitSpyDoublerState.new()
+@warning_ignore("unused_private_class_variable")
+var __verifier_instance := GdUnitObjectInteractionsVerifier.new()
+
+
+func __init(__excluded_methods := PackedStringArray()) -> void:
+	__init_doubler()
+	__spy_state.excluded_methods = __excluded_methods
+
+
+static func __doubler_state() -> GdUnitSpyDoublerState:
+	if Engine.has_meta(__INSTANCE_ID):
+		return Engine.get_meta(__INSTANCE_ID).__spy_state
+	return null
+
+
+func __init_doubler() -> void:
+	Engine.set_meta(__INSTANCE_ID, self)
+
+
+func _notification(what: int) -> void:
+	if what == NOTIFICATION_PREDELETE and Engine.has_meta(__INSTANCE_ID):
+		Engine.remove_meta(__INSTANCE_ID)
+
+
+static func __get_verifier() -> GdUnitObjectInteractionsVerifier:
+	return Engine.get_meta(__INSTANCE_ID).__verifier_instance
+
+
+static func __do_call_real_func(__func_name: String) -> bool:
+	@warning_ignore("unsafe_method_access")
+	return not __doubler_state().excluded_methods.has(__func_name)