escoria updateHEADmain

16 files changed, 2006 insertions, 0 deletions

diff --git a/addons/gdUnit4/src/core/parse/GdClassDescriptor.gd b/addons/gdUnit4/src/core/parse/GdClassDescriptor.gd
new file mode 100644
index 0000000..fc83742
--- /dev/null
+++ b/addons/gdUnit4/src/core/parse/GdClassDescriptor.gd
@@ -0,0 +1,25 @@
+class_name GdClassDescriptor
+extends RefCounted
+
+
+var _name :String
+var _is_inner_class :bool
+var _functions :Array[GdFunctionDescriptor]
+
+
+func _init(p_name :String, p_is_inner_class :bool, p_functions :Array[GdFunctionDescriptor]) -> void:
+	_name = p_name
+	_is_inner_class = p_is_inner_class
+	_functions = p_functions
+
+
+func name() -> String:
+	return _name
+
+
+func is_inner_class() -> bool:
+	return _is_inner_class
+
+
+func functions() -> Array[GdFunctionDescriptor]:
+	return _functions
diff --git a/addons/gdUnit4/src/core/parse/GdClassDescriptor.gd.uid b/addons/gdUnit4/src/core/parse/GdClassDescriptor.gd.uid
new file mode 100644
index 0000000..759729e
--- /dev/null
+++ b/addons/gdUnit4/src/core/parse/GdClassDescriptor.gd.uid
@@ -0,0 +1 @@
+uid://baic1omvtg71r
diff --git a/addons/gdUnit4/src/core/parse/GdDefaultValueDecoder.gd b/addons/gdUnit4/src/core/parse/GdDefaultValueDecoder.gd
new file mode 100644
index 0000000..f1b2244
--- /dev/null
+++ b/addons/gdUnit4/src/core/parse/GdDefaultValueDecoder.gd
@@ -0,0 +1,290 @@
+# holds all decodings for default values
+class_name GdDefaultValueDecoder
+extends GdUnitSingleton
+
+
+@warning_ignore("unused_parameter")
+var _decoders := {
+	TYPE_NIL: func(value :Variant) -> String: return "null",
+	TYPE_STRING: func(value :Variant) -> String: return '"%s"' % value,
+	TYPE_STRING_NAME: _on_type_StringName,
+	TYPE_BOOL: func(value :Variant) -> String: return str(value).to_lower(),
+	TYPE_FLOAT: func(value :Variant) -> String: return '%f' % value,
+	TYPE_COLOR: _on_type_Color,
+	TYPE_ARRAY: _on_type_Array.bind(TYPE_ARRAY),
+	TYPE_PACKED_BYTE_ARRAY: _on_type_Array.bind(TYPE_PACKED_BYTE_ARRAY),
+	TYPE_PACKED_STRING_ARRAY: _on_type_Array.bind(TYPE_PACKED_STRING_ARRAY),
+	TYPE_PACKED_FLOAT32_ARRAY: _on_type_Array.bind(TYPE_PACKED_FLOAT32_ARRAY),
+	TYPE_PACKED_FLOAT64_ARRAY: _on_type_Array.bind(TYPE_PACKED_FLOAT64_ARRAY),
+	TYPE_PACKED_INT32_ARRAY: _on_type_Array.bind(TYPE_PACKED_INT32_ARRAY),
+	TYPE_PACKED_INT64_ARRAY: _on_type_Array.bind(TYPE_PACKED_INT64_ARRAY),
+	TYPE_PACKED_COLOR_ARRAY: _on_type_Array.bind(TYPE_PACKED_COLOR_ARRAY),
+	TYPE_PACKED_VECTOR2_ARRAY: _on_type_Array.bind(TYPE_PACKED_VECTOR2_ARRAY),
+	TYPE_PACKED_VECTOR3_ARRAY: _on_type_Array.bind(TYPE_PACKED_VECTOR3_ARRAY),
+	TYPE_PACKED_VECTOR4_ARRAY: _on_type_Array.bind(TYPE_PACKED_VECTOR4_ARRAY),
+	TYPE_DICTIONARY: _on_type_Dictionary,
+	TYPE_RID: _on_type_RID,
+	TYPE_NODE_PATH: _on_type_NodePath,
+	TYPE_VECTOR2: _on_type_Vector.bind(TYPE_VECTOR2),
+	TYPE_VECTOR2I: _on_type_Vector.bind(TYPE_VECTOR2I),
+	TYPE_VECTOR3: _on_type_Vector.bind(TYPE_VECTOR3),
+	TYPE_VECTOR3I: _on_type_Vector.bind(TYPE_VECTOR3I),
+	TYPE_VECTOR4: _on_type_Vector.bind(TYPE_VECTOR4),
+	TYPE_VECTOR4I: _on_type_Vector.bind(TYPE_VECTOR4I),
+	TYPE_RECT2: _on_type_Rect2,
+	TYPE_RECT2I: _on_type_Rect2i,
+	TYPE_PLANE: _on_type_Plane,
+	TYPE_QUATERNION: _on_type_Quaternion,
+	TYPE_AABB: _on_type_AABB,
+	TYPE_BASIS: _on_type_Basis,
+	TYPE_CALLABLE: _on_type_Callable,
+	TYPE_SIGNAL: _on_type_Signal,
+	TYPE_TRANSFORM2D: _on_type_Transform2D,
+	TYPE_TRANSFORM3D: _on_type_Transform3D,
+	TYPE_PROJECTION: _on_type_Projection,
+	TYPE_OBJECT: _on_type_Object
+}
+
+static func _regex(pattern: String) -> RegEx:
+	var regex := RegEx.new()
+	var err := regex.compile(pattern)
+	if err != OK:
+		push_error("error '%s' checked pattern '%s'" % [err, pattern])
+		return null
+	return regex
+
+
+func get_decoder(type: int) -> Callable:
+	return _decoders.get(type, func(value :Variant) -> String: return '%s' % value)
+
+
+func _on_type_StringName(value: StringName) -> String:
+	if value.is_empty():
+		return 'StringName()'
+	return 'StringName("%s")' % value
+
+
+func _on_type_Object(value: Variant, _type: int) -> String:
+	return str(value)
+
+
+func _on_type_Color(color: Color) -> String:
+	if color == Color.BLACK:
+		return "Color()"
+	return "Color%s" % color
+
+
+func _on_type_NodePath(path: NodePath) -> String:
+	if path.is_empty():
+		return 'NodePath()'
+	return 'NodePath("%s")' % path
+
+
+func _on_type_Callable(_cb: Callable) -> String:
+	return 'Callable()'
+
+
+func _on_type_Signal(_s: Signal) -> String:
+	return 'Signal()'
+
+
+func _on_type_Dictionary(dict: Dictionary) -> String:
+	if dict.is_empty():
+		return '{}'
+	return str(dict)
+
+
+func _on_type_Array(value: Variant, type: int) -> String:
+	match type:
+		TYPE_ARRAY:
+			return str(value)
+
+		TYPE_PACKED_COLOR_ARRAY:
+			var colors := PackedStringArray()
+			for color: Color in value:
+				@warning_ignore("return_value_discarded")
+				colors.append(_on_type_Color(color))
+			if colors.is_empty():
+				return "PackedColorArray()"
+			return "PackedColorArray([%s])" % ", ".join(colors)
+
+		TYPE_PACKED_VECTOR2_ARRAY:
+			var vectors := PackedStringArray()
+			for vector: Vector2 in value:
+				@warning_ignore("return_value_discarded")
+				vectors.append(_on_type_Vector(vector, TYPE_VECTOR2))
+			if vectors.is_empty():
+				return "PackedVector2Array()"
+			return "PackedVector2Array([%s])" % ", ".join(vectors)
+
+		TYPE_PACKED_VECTOR3_ARRAY:
+			var vectors := PackedStringArray()
+			for vector: Vector3 in value:
+				@warning_ignore("return_value_discarded")
+				vectors.append(_on_type_Vector(vector, TYPE_VECTOR3))
+			if vectors.is_empty():
+				return "PackedVector3Array()"
+			return "PackedVector3Array([%s])" % ", ".join(vectors)
+
+		TYPE_PACKED_VECTOR4_ARRAY:
+			var vectors := PackedStringArray()
+			for vector: Vector4 in value:
+				@warning_ignore("return_value_discarded")
+				vectors.append(_on_type_Vector(vector, TYPE_VECTOR4))
+			if vectors.is_empty():
+				return "PackedVector4Array()"
+			return "PackedVector4Array([%s])" % ", ".join(vectors)
+
+		TYPE_PACKED_STRING_ARRAY:
+			var values := PackedStringArray()
+			for v: String in value:
+				@warning_ignore("return_value_discarded")
+				values.append('"%s"' % v)
+			if values.is_empty():
+				return "PackedStringArray()"
+			return "PackedStringArray([%s])" % ", ".join(values)
+
+		TYPE_PACKED_BYTE_ARRAY,\
+		TYPE_PACKED_FLOAT32_ARRAY,\
+		TYPE_PACKED_FLOAT64_ARRAY,\
+		TYPE_PACKED_INT32_ARRAY,\
+		TYPE_PACKED_INT64_ARRAY:
+			var vectors := PackedStringArray()
+			for vector: Variant in value:
+				@warning_ignore("return_value_discarded")
+				vectors.append(str(vector))
+			if vectors.is_empty():
+				return GdObjects.type_as_string(type) + "()"
+			return "%s([%s])" % [GdObjects.type_as_string(type), ", ".join(vectors)]
+	return "unknown array type %d" % type
+
+
+func _on_type_Vector(value: Variant, type: int) -> String:
+
+	if typeof(value) != type:
+		push_error("Internal Error: type missmatch detected for value '%s', expects type %s" % [value, type_string(type)])
+		return ""
+
+	match type:
+		TYPE_VECTOR2:
+			if value == Vector2():
+				return "Vector2()"
+			return "Vector2%s" % value
+		TYPE_VECTOR2I:
+			if value == Vector2i():
+				return "Vector2i()"
+			return "Vector2i%s" % value
+		TYPE_VECTOR3:
+			if value == Vector3():
+				return "Vector3()"
+			return "Vector3%s" % value
+		TYPE_VECTOR3I:
+			if value == Vector3i():
+				return "Vector3i()"
+			return "Vector3i%s" % value
+		TYPE_VECTOR4:
+			if value == Vector4():
+				return "Vector4()"
+			return "Vector4%s" % value
+		TYPE_VECTOR4I:
+			if value == Vector4i():
+				return "Vector4i()"
+			return "Vector4i%s" % value
+	return "unknown vector type %d" % type
+
+
+func _on_type_Transform2D(transform: Transform2D) -> String:
+	if transform == Transform2D():
+		return "Transform2D()"
+	return "Transform2D(Vector2%s, Vector2%s, Vector2%s)" % [transform.x, transform.y, transform.origin]
+
+
+func _on_type_Transform3D(transform: Transform3D) -> String:
+	if transform == Transform3D():
+		return "Transform3D()"
+	return "Transform3D(Vector3%s, Vector3%s, Vector3%s, Vector3%s)" % [transform.basis.x, transform.basis.y, transform.basis.z, transform.origin]
+
+
+func _on_type_Projection(projection: Projection) -> String:
+	return "Projection(Vector4%s, Vector4%s, Vector4%s, Vector4%s)" % [projection.x, projection.y, projection.z, projection.w]
+
+
+@warning_ignore("unused_parameter")
+func _on_type_RID(value: RID) -> String:
+	return "RID()"
+
+
+func _on_type_Rect2(rect: Rect2) -> String:
+	if rect == Rect2():
+		return "Rect2()"
+	return "Rect2(Vector2%s, Vector2%s)" % [rect.position, rect.size]
+
+
+func _on_type_Rect2i(rect: Variant) -> String:
+	if rect == Rect2i():
+		return "Rect2i()"
+	return "Rect2i(Vector2i%s, Vector2i%s)" % [rect.position, rect.size]
+
+
+func _on_type_Plane(plane: Plane) -> String:
+	if plane == Plane():
+		return "Plane()"
+	return "Plane(%d, %d, %d, %d)" % [plane.x, plane.y, plane.z, plane.d]
+
+
+func _on_type_Quaternion(quaternion: Quaternion) -> String:
+	if quaternion == Quaternion():
+		return "Quaternion()"
+	return "Quaternion(%d, %d, %d, %d)" % [quaternion.x, quaternion.y, quaternion.z, quaternion.w]
+
+
+func _on_type_AABB(aabb: AABB) -> String:
+	if aabb == AABB():
+		return "AABB()"
+	return "AABB(Vector3%s, Vector3%s)" % [aabb.position, aabb.size]
+
+
+func _on_type_Basis(basis: Basis) -> String:
+	if basis == Basis():
+		return "Basis()"
+	return "Basis(Vector3%s, Vector3%s, Vector3%s)" % [basis.x, basis.y, basis.z]
+
+
+static func decode(value: Variant) -> String:
+	var type := typeof(value)
+	@warning_ignore("unsafe_cast")
+	if GdArrayTools.is_type_array(type) and (value as Array).is_empty():
+		return "<empty>"
+	# For Variant types we need to determine the original type
+	if type == GdObjects.TYPE_VARIANT:
+		type = typeof(value)
+	var decoder := _get_value_decoder(type)
+	if decoder == null:
+		push_error("No value decoder registered for type '%d'! Please open a Bug issue at 'https://github.com/MikeSchulze/gdUnit4/issues/new/choose'." % type)
+		return "null"
+	if type == TYPE_OBJECT:
+		return decoder.call(value, type)
+	return decoder.call(value)
+
+
+static func decode_typed(type: int, value: Variant) -> String:
+	if value == null:
+		return "null"
+	# For Variant types we need to determine the original type
+	if type == GdObjects.TYPE_VARIANT:
+		type = typeof(value)
+	var decoder := _get_value_decoder(type)
+	if decoder == null:
+		push_error("No value decoder registered for type '%d'! Please open a Bug issue at 'https://github.com/MikeSchulze/gdUnit4/issues/new/choose'." % type)
+		return "null"
+	if type == TYPE_OBJECT:
+		return decoder.call(value, type)
+	return decoder.call(value)
+
+
+static func _get_value_decoder(type: int) -> Callable:
+	var decoder: GdDefaultValueDecoder = instance(
+		"GdUnitDefaultValueDecoders",
+		func() -> GdDefaultValueDecoder:
+			return GdDefaultValueDecoder.new())
+	return decoder.get_decoder(type)
diff --git a/addons/gdUnit4/src/core/parse/GdDefaultValueDecoder.gd.uid b/addons/gdUnit4/src/core/parse/GdDefaultValueDecoder.gd.uid
new file mode 100644
index 0000000..0f8e9c1
--- /dev/null
+++ b/addons/gdUnit4/src/core/parse/GdDefaultValueDecoder.gd.uid
@@ -0,0 +1 @@
+uid://dl0wf0ieoppil
diff --git a/addons/gdUnit4/src/core/parse/GdFunctionArgument.gd b/addons/gdUnit4/src/core/parse/GdFunctionArgument.gd
new file mode 100644
index 0000000..bd38eb2
--- /dev/null
+++ b/addons/gdUnit4/src/core/parse/GdFunctionArgument.gd
@@ -0,0 +1,208 @@
+class_name GdFunctionArgument
+extends RefCounted
+
+
+const GdUnitTools := preload("res://addons/gdUnit4/src/core/GdUnitTools.gd")
+const UNDEFINED: String = "<-NO_ARG->"
+const ARG_PARAMETERIZED_TEST := ["test_parameters", "_test_parameters"]
+
+static var _fuzzer_regex: RegEx
+static var _cleanup_leading_spaces: RegEx
+static var _fix_comma_space: RegEx
+
+var _name: String
+var _type: int
+var _type_hint: int
+var _default_value: Variant
+var _parameter_sets: PackedStringArray = []
+
+
+func _init(p_name: String, p_type: int, value: Variant = UNDEFINED, p_type_hint: int = TYPE_NIL) -> void:
+	_init_static_variables()
+	_name = p_name
+	_type = p_type
+	_type_hint = p_type_hint
+	if value != null and p_name in ARG_PARAMETERIZED_TEST:
+		_parameter_sets = _parse_parameter_set(str(value))
+	_default_value = value
+	# is argument a fuzzer?
+	if _type == TYPE_OBJECT and _fuzzer_regex.search(_name):
+		_type = GdObjects.TYPE_FUZZER
+
+
+func _init_static_variables() -> void:
+	if _fuzzer_regex == null:
+		_fuzzer_regex = GdUnitTools.to_regex("((?!(fuzzer_(seed|iterations)))fuzzer?\\w+)( ?+= ?+| ?+:= ?+| ?+:Fuzzer ?+= ?+|)")
+		_cleanup_leading_spaces = RegEx.create_from_string("(?m)^[ \t]+")
+		_fix_comma_space = RegEx.create_from_string(""", {0,}\t{0,}(?=(?:[^"]*"[^"]*")*[^"]*$)(?!\\s)""")
+
+
+func name() -> String:
+	return _name
+
+
+func default() -> Variant:
+	return type_convert(_default_value, _type)
+
+
+func set_value(value: String) -> void:
+	# we onle need to apply default values for Objects, all others are provided by the method descriptor
+	if _type == GdObjects.TYPE_FUZZER:
+		_default_value = value
+		return
+	if _name in ARG_PARAMETERIZED_TEST:
+		_parameter_sets = _parse_parameter_set(value)
+		_default_value = value
+		return
+
+	if _type == TYPE_NIL or _type == GdObjects.TYPE_VARIANT:
+		_type = _extract_value_type(value)
+		if _type == GdObjects.TYPE_VARIANT and _default_value == null:
+			_default_value = value
+	if _default_value == null:
+		match _type:
+			TYPE_DICTIONARY:
+				_default_value = as_dictionary(value)
+			TYPE_ARRAY:
+				_default_value = as_array(value)
+			GdObjects.TYPE_FUZZER:
+				_default_value = value
+			_:
+				_default_value = str_to_var(value)
+				# if converting fails assign the original value without converting
+				if _default_value == null and value != null:
+					_default_value = value
+		#prints("set default_value: ", _default_value, "with type %d" % _type, " from original: '%s'" % value)
+
+
+func _extract_value_type(value: String) -> int:
+	if value != UNDEFINED:
+		if _fuzzer_regex.search(_name):
+			return GdObjects.TYPE_FUZZER
+		if value.rfind(")") == value.length()-1:
+			return GdObjects.TYPE_FUNC
+	return _type
+
+
+func value_as_string() -> String:
+	if has_default():
+		return GdDefaultValueDecoder.decode_typed(_type, _default_value)
+	return ""
+
+
+func plain_value() -> Variant:
+	return _default_value
+
+
+func type() -> int:
+	return _type
+
+
+func type_hint() -> int:
+	return _type_hint
+
+
+func has_default() -> bool:
+	return not is_same(_default_value, UNDEFINED)
+
+
+func is_typed_array() -> bool:
+	return _type == TYPE_ARRAY and _type_hint != TYPE_NIL
+
+
+func is_parameter_set() -> bool:
+	return _name in ARG_PARAMETERIZED_TEST
+
+
+func parameter_sets() -> PackedStringArray:
+	return _parameter_sets
+
+
+static func get_parameter_set(parameters :Array[GdFunctionArgument]) -> GdFunctionArgument:
+	for current in parameters:
+		if current != null and current.is_parameter_set():
+			return current
+	return null
+
+
+func _to_string() -> String:
+	var s := _name
+	if _type != TYPE_NIL:
+		s += ": " + GdObjects.type_as_string(_type)
+	if _type_hint != TYPE_NIL:
+		s += "[%s]" % GdObjects.type_as_string(_type_hint)
+	if has_default():
+		s += "=" + value_as_string()
+	return s
+
+
+func _parse_parameter_set(input :String) -> PackedStringArray:
+	if not input.contains("["):
+		return []
+
+	input = _cleanup_leading_spaces.sub(input, "", true)
+	input = input.replace("\n", "").strip_edges().trim_prefix("[").trim_suffix("]").trim_prefix("]")
+	var single_quote := false
+	var double_quote := false
+	var array_end := 0
+	var current_index := 0
+	var output :PackedStringArray = []
+	var buf := input.to_utf8_buffer()
+	var collected_characters: = PackedByteArray()
+	var matched :bool = false
+
+	for c in buf:
+		current_index += 1
+		matched = current_index == buf.size()
+		@warning_ignore("return_value_discarded")
+		collected_characters.push_back(c)
+
+		match c:
+			# ' ': ignore spaces between array elements
+			32: if array_end == 0 and (not double_quote and not single_quote):
+					collected_characters.remove_at(collected_characters.size()-1)
+			# ',': step over array element seperator ','
+			44: if array_end == 0:
+					matched = true
+					collected_characters.remove_at(collected_characters.size()-1)
+			# '`':
+			39: single_quote = !single_quote
+			# '"':
+			34: if not single_quote: double_quote = !double_quote
+			# '['
+			91: if not double_quote and not single_quote: array_end +=1 # counts array open
+			# ']'
+			93: if not double_quote and not single_quote: array_end -=1 # counts array closed
+
+		# if array closed than collect the element
+		if matched:
+			var parameters := _fix_comma_space.sub(collected_characters.get_string_from_utf8(), ", ", true)
+			if not parameters.is_empty():
+				@warning_ignore("return_value_discarded")
+				output.append(parameters)
+			collected_characters.clear()
+			matched = false
+	return output
+
+
+## value converters
+
+func as_array(value: String) -> Array:
+	if value == "Array()" or value == "[]":
+		return []
+
+	if value.begins_with("Array("):
+		value = value.lstrip("Array(").rstrip(")")
+	if value.begins_with("["):
+		return str_to_var(value)
+	return []
+
+
+func as_dictionary(value: String) -> Dictionary:
+	if value == "Dictionary()":
+		return {}
+	if value.begins_with("Dictionary("):
+		value = value.lstrip("Dictionary(").rstrip(")")
+	if value.begins_with("{"):
+		return str_to_var(value)
+	return {}
diff --git a/addons/gdUnit4/src/core/parse/GdFunctionArgument.gd.uid b/addons/gdUnit4/src/core/parse/GdFunctionArgument.gd.uid
new file mode 100644
index 0000000..b98b975
--- /dev/null
+++ b/addons/gdUnit4/src/core/parse/GdFunctionArgument.gd.uid
@@ -0,0 +1 @@
+uid://dtwu3dpeq6huv
diff --git a/addons/gdUnit4/src/core/parse/GdFunctionDescriptor.gd b/addons/gdUnit4/src/core/parse/GdFunctionDescriptor.gd
new file mode 100644
index 0000000..7eae4b2
--- /dev/null
+++ b/addons/gdUnit4/src/core/parse/GdFunctionDescriptor.gd
@@ -0,0 +1,286 @@
+class_name GdFunctionDescriptor
+extends RefCounted
+
+var _is_virtual :bool
+var _is_static :bool
+var _is_engine :bool
+var _is_coroutine :bool
+var _name :String
+var _source_path: String
+var _line_number :int
+var _return_type :int
+var _return_class :String
+var _args : Array[GdFunctionArgument]
+var _varargs :Array[GdFunctionArgument]
+
+
+
+static func create(p_name: String, p_source_path: String, p_source_line: int, p_return_type: int, p_args: Array[GdFunctionArgument] = []) -> GdFunctionDescriptor:
+	var fd := GdFunctionDescriptor.new(p_name, p_source_line, false, false, false, p_return_type, "", p_args)
+	fd.enrich_file_info(p_source_path, p_source_line)
+	return fd
+
+static func create_static(p_name: String, p_source_path: String, p_source_line: int, p_return_type: int, p_args: Array[GdFunctionArgument] = []) -> GdFunctionDescriptor:
+	var fd := GdFunctionDescriptor.new(p_name, p_source_line, false, true, false, p_return_type, "", p_args)
+	fd.enrich_file_info(p_source_path, p_source_line)
+	return fd
+
+
+func _init(p_name :String,
+	p_line_number :int,
+	p_is_virtual :bool,
+	p_is_static :bool,
+	p_is_engine :bool,
+	p_return_type :int,
+	p_return_class :String,
+	p_args : Array[GdFunctionArgument],
+	p_varargs :Array[GdFunctionArgument] = []) -> void:
+	_name = p_name
+	_line_number = p_line_number
+	_return_type = p_return_type
+	_return_class = p_return_class
+	_is_virtual = p_is_virtual
+	_is_static = p_is_static
+	_is_engine = p_is_engine
+	_is_coroutine = false
+	_args = p_args
+	_varargs = p_varargs
+
+
+func with_return_class(clazz_name: String) -> GdFunctionDescriptor:
+	_return_class = clazz_name
+	return self
+
+
+func name() -> String:
+	return _name
+
+
+func source_path() -> String:
+	return _source_path
+
+
+func line_number() -> int:
+	return _line_number
+
+
+func is_virtual() -> bool:
+	return _is_virtual
+
+
+func is_static() -> bool:
+	return _is_static
+
+
+func is_engine() -> bool:
+	return _is_engine
+
+
+func is_vararg() -> bool:
+	return not _varargs.is_empty()
+
+
+func is_coroutine() -> bool:
+	return _is_coroutine
+
+
+func is_parameterized() -> bool:
+	for current in _args:
+		var arg :GdFunctionArgument = current
+		if arg.name() in GdFunctionArgument.ARG_PARAMETERIZED_TEST:
+			return true
+	return false
+
+
+func is_private() -> bool:
+	return name().begins_with("_") and not is_virtual()
+
+
+func return_type() -> int:
+	return _return_type
+
+
+func return_type_as_string() -> String:
+	if return_type() == TYPE_NIL:
+		return "void"
+	if (return_type() == TYPE_OBJECT or return_type() == GdObjects.TYPE_ENUM) and not _return_class.is_empty():
+		return _return_class
+	return GdObjects.type_as_string(return_type())
+
+
+func set_argument_value(arg_name: String, value: String) -> void:
+	var argument: GdFunctionArgument = _args.filter(func(arg: GdFunctionArgument) -> bool:
+		return arg.name() == arg_name
+		).front()
+	if argument != null:
+		argument.set_value(value)
+
+
+func enrich_arguments(arguments: Array[Dictionary]) -> void:
+	for arg_index: int in arguments.size():
+		var arg: Dictionary = arguments[arg_index]
+		if arg["type"] != GdObjects.TYPE_VARARG:
+			var arg_name: String = arg["name"]
+			var arg_value: String = arg["value"]
+			set_argument_value(arg_name, arg_value)
+
+
+func enrich_file_info(p_source_path: String, p_line_number: int) -> void:
+	_source_path = p_source_path
+	_line_number = p_line_number
+
+
+func args() -> Array[GdFunctionArgument]:
+	return _args
+
+
+func varargs() -> Array[GdFunctionArgument]:
+	return _varargs
+
+
+func typed_args() -> String:
+	var collect := PackedStringArray()
+	for arg in args():
+		@warning_ignore("return_value_discarded")
+		collect.push_back(arg._to_string())
+	for arg in varargs():
+		@warning_ignore("return_value_discarded")
+		collect.push_back(arg._to_string())
+	return ", ".join(collect)
+
+
+func _to_string() -> String:
+	var fsignature := "virtual " if is_virtual() else ""
+	if _return_type == TYPE_NIL:
+		return fsignature + "[Line:%s] func %s(%s):" % [line_number(), name(), typed_args()]
+	var func_template := fsignature + "[Line:%s] func %s(%s) -> %s:"
+	if is_static():
+		func_template= "[Line:%s] static func %s(%s) -> %s:"
+	return func_template % [line_number(), name(), typed_args(), return_type_as_string()]
+
+
+# extract function description given by Object.get_method_list()
+static func extract_from(descriptor :Dictionary, is_engine_ := true) -> GdFunctionDescriptor:
+	var func_name: String = descriptor["name"]
+	var function_flags: int = descriptor["flags"]
+	var return_descriptor: Dictionary = descriptor["return"]
+	var clazz_name: String = return_descriptor["class_name"]
+	var is_virtual_: bool = function_flags & METHOD_FLAG_VIRTUAL
+	var is_static_: bool = function_flags & METHOD_FLAG_STATIC
+	var is_vararg_: bool = function_flags & METHOD_FLAG_VARARG
+
+	return GdFunctionDescriptor.new(
+		func_name,
+		-1,
+		is_virtual_,
+		is_static_,
+		is_engine_,
+		_extract_return_type(return_descriptor),
+		clazz_name,
+		_extract_args(descriptor),
+		_build_varargs(is_vararg_)
+	)
+
+# temporary exclude GlobalScope enums
+const enum_fix := [
+	"Side",
+	"Corner",
+	"Orientation",
+	"ClockDirection",
+	"HorizontalAlignment",
+	"VerticalAlignment",
+	"InlineAlignment",
+	"EulerOrder",
+	"Error",
+	"Key",
+	"MIDIMessage",
+	"MouseButton",
+	"MouseButtonMask",
+	"JoyButton",
+	"JoyAxis",
+	"PropertyHint",
+	"PropertyUsageFlags",
+	"MethodFlags",
+	"Variant.Type",
+	"Control.LayoutMode"]
+
+
+static func _extract_return_type(return_info :Dictionary) -> int:
+	var type :int = return_info["type"]
+	var usage :int = return_info["usage"]
+	if type == TYPE_INT and usage & PROPERTY_USAGE_CLASS_IS_ENUM:
+		return GdObjects.TYPE_ENUM
+	if type == TYPE_NIL and usage & PROPERTY_USAGE_NIL_IS_VARIANT:
+		return GdObjects.TYPE_VARIANT
+	if type == TYPE_NIL and usage == 6:
+		return GdObjects.TYPE_VOID
+	return type
+
+
+static func _extract_args(descriptor :Dictionary) -> Array[GdFunctionArgument]:
+	var args_ :Array[GdFunctionArgument] = []
+	var arguments :Array = descriptor["args"]
+	var defaults :Array = descriptor["default_args"]
+	# iterate backwards because the default values are stored from right to left
+	while not arguments.is_empty():
+		var arg :Dictionary = arguments.pop_back()
+		var arg_name := _argument_name(arg)
+		var arg_type := _argument_type(arg)
+		var arg_type_hint := _argument_hint(arg)
+		#var arg_class: StringName = arg["class_name"]
+		var default_value: Variant = GdFunctionArgument.UNDEFINED if defaults.is_empty() else defaults.pop_back()
+		args_.push_front(GdFunctionArgument.new(arg_name, arg_type, default_value, arg_type_hint))
+	return args_
+
+
+static func _build_varargs(p_is_vararg :bool) -> Array[GdFunctionArgument]:
+	var varargs_ :Array[GdFunctionArgument] = []
+	if not p_is_vararg:
+		return varargs_
+	varargs_.push_back(GdFunctionArgument.new("varargs", GdObjects.TYPE_VARARG, ''))
+	return varargs_
+
+
+static func _argument_name(arg :Dictionary) -> String:
+	return arg["name"]
+
+
+static func _argument_type(arg :Dictionary) -> int:
+	var type :int = arg["type"]
+	var usage :int = arg["usage"]
+
+	if type == TYPE_OBJECT:
+		if arg["class_name"] == "Node":
+			return GdObjects.TYPE_NODE
+		if arg["class_name"] == "Fuzzer":
+			return GdObjects.TYPE_FUZZER
+
+	# if the argument untyped we need to scan the assignef value type
+	if type == TYPE_NIL and usage == PROPERTY_USAGE_NIL_IS_VARIANT:
+		return GdObjects.TYPE_VARIANT
+	return type
+
+
+static func _argument_hint(arg :Dictionary) -> int:
+	var hint :int = arg["hint"]
+	var hint_string :String = arg["hint_string"]
+
+	match hint:
+		PROPERTY_HINT_ARRAY_TYPE:
+			return GdObjects.string_to_type(hint_string)
+		_:
+			return 0
+
+
+static func _argument_type_as_string(arg :Dictionary) -> String:
+	var type := _argument_type(arg)
+	match type:
+		TYPE_NIL:
+			return ""
+		TYPE_OBJECT:
+			var clazz_name :String = arg["class_name"]
+			if not clazz_name.is_empty():
+				return clazz_name
+			return ""
+		_:
+			return GdObjects.type_as_string(type)
diff --git a/addons/gdUnit4/src/core/parse/GdFunctionDescriptor.gd.uid b/addons/gdUnit4/src/core/parse/GdFunctionDescriptor.gd.uid
new file mode 100644
index 0000000..0396b95
--- /dev/null
+++ b/addons/gdUnit4/src/core/parse/GdFunctionDescriptor.gd.uid
@@ -0,0 +1 @@
+uid://csn6e1csw3fry
diff --git a/addons/gdUnit4/src/core/parse/GdFunctionParameterSetResolver.gd b/addons/gdUnit4/src/core/parse/GdFunctionParameterSetResolver.gd
new file mode 100644
index 0000000..9c45e62
--- /dev/null
+++ b/addons/gdUnit4/src/core/parse/GdFunctionParameterSetResolver.gd
@@ -0,0 +1,188 @@
+class_name GdFunctionParameterSetResolver
+extends RefCounted
+
+const CLASS_TEMPLATE = """
+class_name _ParameterExtractor extends '${clazz_path}'
+
+func __extract_test_parameters() -> Array:
+	return ${test_params}
+
+"""
+
+const EXCLUDE_PROPERTIES_TO_COPY = [
+	"script",
+	"type",
+	"Node",
+	"_import_path"]
+
+
+var _fd: GdFunctionDescriptor
+var _static_sets_by_index := {}
+var _is_static := true
+
+func _init(fd: GdFunctionDescriptor) -> void:
+	_fd = fd
+
+
+func resolve_test_cases(script: GDScript) -> Array[GdUnitTestCase]:
+	if not is_parameterized():
+		return [GdUnitTestCase.from(script.resource_path, _fd.source_path(), _fd.line_number(), _fd.name())]
+	return extract_test_cases_by_reflection(script)
+
+
+func is_parameterized() -> bool:
+	return _fd.is_parameterized()
+
+
+func is_parameter_sets_static() -> bool:
+	return _is_static
+
+
+func is_parameter_set_static(index: int) -> bool:
+	return _is_static and _static_sets_by_index.get(index, false)
+
+
+# validates the given arguments are complete and matches to required input fields of the test function
+func validate(input_value_set: Array) -> String:
+	var input_arguments := _fd.args()
+	# check given parameter set with test case arguments
+	var expected_arg_count := input_arguments.size() - 1
+	for input_values :Variant in input_value_set:
+		var parameter_set_index := input_value_set.find(input_values)
+		if input_values is Array:
+			var arr_values: Array = input_values
+			var current_arg_count := arr_values.size()
+			if current_arg_count != expected_arg_count:
+				return "\n	The parameter set at index [%d] does not match the expected input parameters!\n	The test case requires [%d] input parameters, but the set contains [%d]" % [parameter_set_index, expected_arg_count, current_arg_count]
+			var error := validate_parameter_types(input_arguments, arr_values, parameter_set_index)
+			if not error.is_empty():
+				return error
+		else:
+			return "\n	The parameter set at index [%d] does not match the expected input parameters!\n	Expecting an array of input values." % parameter_set_index
+	return ""
+
+
+static func validate_parameter_types(input_arguments: Array, input_values: Array, parameter_set_index: int) -> String:
+	for i in input_arguments.size():
+		var input_param: GdFunctionArgument = input_arguments[i]
+		# only check the test input arguments
+		if input_param.is_parameter_set():
+			continue
+		var input_param_type := input_param.type()
+		var input_value :Variant = input_values[i]
+		var input_value_type := typeof(input_value)
+		# input parameter is not typed or is Variant we skip the type test
+		if input_param_type == TYPE_NIL or input_param_type == GdObjects.TYPE_VARIANT:
+			continue
+		# is input type enum allow int values
+		if input_param_type == GdObjects.TYPE_VARIANT and input_value_type == TYPE_INT:
+			continue
+		# allow only equal types and object == null
+		if input_param_type == TYPE_OBJECT and input_value_type == TYPE_NIL:
+			continue
+		if input_param_type != input_value_type:
+			return "\n	The parameter set at index [%d] does not match the expected input parameters!\n	The value '%s' does not match the required input parameter <%s>." % [parameter_set_index, input_value, input_param]
+	return ""
+
+
+func extract_test_cases_by_reflection(script: GDScript) -> Array[GdUnitTestCase]:
+	var source: Node = script.new()
+	source.queue_free()
+
+	var fa := GdFunctionArgument.get_parameter_set(_fd.args())
+	var parameter_sets := fa.parameter_sets()
+	# if no parameter set detected we need to resolve it by using reflection
+	if parameter_sets.size() == 0:
+		_is_static = false
+		return _extract_test_cases_by_reflection(source, script)
+	else:
+		var test_cases: Array[GdUnitTestCase] = []
+		var property_names := _extract_property_names(source)
+		for parameter_set_index in parameter_sets.size():
+			var parameter_set := parameter_sets[parameter_set_index]
+			_static_sets_by_index[parameter_set_index] = _is_static_parameter_set(parameter_set, property_names)
+			@warning_ignore("return_value_discarded")
+			test_cases.append(GdUnitTestCase.from(script.resource_path, _fd.source_path(), _fd.line_number(), _fd.name(), parameter_set_index, parameter_set))
+			parameter_set_index += 1
+		return test_cases
+
+
+func _extract_property_names(source: Node) -> PackedStringArray:
+	return source.get_property_list()\
+		.map(func(property :Dictionary) -> String: return property["name"])\
+		.filter(func(property :String) -> bool: return !EXCLUDE_PROPERTIES_TO_COPY.has(property))
+
+
+# tests if the test property set contains an property reference by name, if not the parameter set holds only static values
+func _is_static_parameter_set(parameters :String, property_names :PackedStringArray) -> bool:
+	for property_name in property_names:
+		if parameters.contains(property_name):
+			_is_static = false
+			return false
+	return true
+
+
+func _extract_test_cases_by_reflection(source: Node, script: GDScript) -> Array[GdUnitTestCase]:
+	var parameter_sets := load_parameter_sets(source)
+	var test_cases: Array[GdUnitTestCase] = []
+	for index in parameter_sets.size():
+		var parameter_set := str(parameter_sets[index])
+		@warning_ignore("return_value_discarded")
+		test_cases.append(GdUnitTestCase.from(script.resource_path, _fd.source_path(), _fd.line_number(), _fd.name(), index, parameter_set))
+	return test_cases
+
+
+# extracts the arguments from the given test case, using kind of reflection solution
+# to restore the parameters from a string representation to real instance type
+func load_parameter_sets(source: Node) -> Array:
+	var source_script: GDScript = source.get_script()
+	var parameter_arg := GdFunctionArgument.get_parameter_set(_fd.args())
+	var source_code := CLASS_TEMPLATE \
+		.replace("${clazz_path}", source_script.resource_path) \
+		.replace("${test_params}", parameter_arg.value_as_string())
+	var script := GDScript.new()
+	script.source_code = source_code
+	# enable this lines only for debuging
+	#script.resource_path = GdUnitFileAccess.create_temp_dir("parameter_extract") + "/%s__.gd" % test_case.get_name()
+	#DirAccess.remove_absolute(script.resource_path)
+	#ResourceSaver.save(script, script.resource_path)
+	var result := script.reload()
+	if result != OK:
+		push_error("Extracting test parameters failed! Script loading error: %s" % result)
+		return []
+	var instance: Node = script.new()
+	GdFunctionParameterSetResolver.copy_properties(source, instance)
+	instance.queue_free()
+	var parameter_sets: Array = instance.call("__extract_test_parameters")
+	return fixure_typed_parameters(parameter_sets, _fd.args())
+
+
+func fixure_typed_parameters(parameter_sets: Array, arg_descriptors: Array[GdFunctionArgument]) -> Array:
+	for parameter_set_index in parameter_sets.size():
+		var parameter_set: Array = parameter_sets[parameter_set_index]
+		# run over all function arguments
+		for parameter_index in parameter_set.size():
+			var parameter :Variant = parameter_set[parameter_index]
+			var arg_descriptor: GdFunctionArgument = arg_descriptors[parameter_index]
+			if parameter is Array:
+				var as_array: Array = parameter
+				# we need to convert the untyped array to the expected typed version
+				if arg_descriptor.is_typed_array():
+					parameter_set[parameter_index] = Array(as_array, arg_descriptor.type_hint(), "", null)
+	return parameter_sets
+
+
+static func copy_properties(source: Object, dest: Object) -> void:
+	for property in source.get_property_list():
+		var property_name :String = property["name"]
+		var property_value :Variant = source.get(property_name)
+		if EXCLUDE_PROPERTIES_TO_COPY.has(property_name):
+			continue
+		#if dest.get(property_name) == null:
+		#	prints("|%s|" % property_name, source.get(property_name))
+
+		# check for invalid name property
+		if property_name == "name" and property_value == "":
+			dest.set(property_name, "<empty>");
+			continue
+		dest.set(property_name, property_value)
diff --git a/addons/gdUnit4/src/core/parse/GdFunctionParameterSetResolver.gd.uid b/addons/gdUnit4/src/core/parse/GdFunctionParameterSetResolver.gd.uid
new file mode 100644
index 0000000..2d86843
--- /dev/null
+++ b/addons/gdUnit4/src/core/parse/GdFunctionParameterSetResolver.gd.uid
@@ -0,0 +1 @@
+uid://ck3w7dlo43ky6
diff --git a/addons/gdUnit4/src/core/parse/GdScriptParser.gd b/addons/gdUnit4/src/core/parse/GdScriptParser.gd
new file mode 100644
index 0000000..a102508
--- /dev/null
+++ b/addons/gdUnit4/src/core/parse/GdScriptParser.gd
@@ -0,0 +1,764 @@
+class_name GdScriptParser
+extends RefCounted
+
+const GdUnitTools := preload("res://addons/gdUnit4/src/core/GdUnitTools.gd")
+
+const TYPE_VOID = GdObjects.TYPE_VOID
+const TYPE_VARIANT = GdObjects.TYPE_VARIANT
+const TYPE_VARARG = GdObjects.TYPE_VARARG
+const TYPE_FUNC = GdObjects.TYPE_FUNC
+const TYPE_FUZZER = GdObjects.TYPE_FUZZER
+const TYPE_ENUM = GdObjects.TYPE_ENUM
+
+
+var TOKEN_NOT_MATCH := Token.new("")
+var TOKEN_SPACE := SkippableToken.new(" ")
+var TOKEN_TABULATOR := SkippableToken.new("\t")
+var TOKEN_NEW_LINE := SkippableToken.new("\n")
+var TOKEN_COMMENT := SkippableToken.new("#")
+var TOKEN_CLASS_NAME := RegExToken.new("class_name", GdUnitTools.to_regex("(class_name)\\s+([\\w\\p{L}\\p{N}_]+) (extends[a-zA-Z]+:)|(class_name)\\s+([\\w\\p{L}\\p{N}_]+)"), 5)
+var TOKEN_INNER_CLASS := TokenInnerClass.new("class", GdUnitTools.to_regex("(class)\\s+(\\w\\p{L}\\p{N}_]+) (extends[a-zA-Z]+:)|(class)\\s+([\\w\\p{L}\\p{N}_]+)"), 5)
+var TOKEN_EXTENDS := RegExToken.new("extends", GdUnitTools.to_regex("extends\\s+"))
+var TOKEN_ENUM := RegExToken.new("enum", GdUnitTools.to_regex("enum\\s+"))
+var TOKEN_FUNCTION_STATIC_DECLARATION := RegExToken.new("static func", GdUnitTools.to_regex("^static\\s+func\\s+([\\w\\p{L}\\p{N}_]+)"), 1)
+var TOKEN_FUNCTION_DECLARATION := RegExToken.new("func", GdUnitTools.to_regex("^func\\s+([\\w\\p{L}\\p{N}_]+)"), 1)
+var TOKEN_FUNCTION := Token.new(".")
+var TOKEN_FUNCTION_RETURN_TYPE := Token.new("->")
+var TOKEN_FUNCTION_END := Token.new("):")
+var TOKEN_ARGUMENT_ASIGNMENT := Token.new("=")
+var TOKEN_ARGUMENT_TYPE_ASIGNMENT := Token.new(":=")
+var TOKEN_ARGUMENT_FUZZER := FuzzerToken.new(GdUnitTools.to_regex("((?!(fuzzer_(seed|iterations)))fuzzer?\\w+)( ?+= ?+| ?+:= ?+| ?+:Fuzzer ?+= ?+|)"))
+var TOKEN_ARGUMENT_TYPE := Token.new(":")
+var TOKEN_ARGUMENT_VARIADIC := Token.new("...")
+var TOKEN_ARGUMENT_SEPARATOR := Token.new(",")
+var TOKEN_BRACKET_ROUND_OPEN := Token.new("(")
+var TOKEN_BRACKET_ROUND_CLOSE := Token.new(")")
+var TOKEN_BRACKET_SQUARE_OPEN := Token.new("[")
+var TOKEN_BRACKET_SQUARE_CLOSE := Token.new("]")
+var TOKEN_BRACKET_CURLY_OPEN := Token.new("{")
+var TOKEN_BRACKET_CURLY_CLOSE := Token.new("}")
+
+
+var OPERATOR_ADD := Operator.new("+")
+var OPERATOR_SUB := Operator.new("-")
+var OPERATOR_MUL := Operator.new("*")
+var OPERATOR_DIV := Operator.new("/")
+var OPERATOR_REMAINDER := Operator.new("%")
+
+var TOKENS :Array[Token] = [
+	TOKEN_SPACE,
+	TOKEN_TABULATOR,
+	TOKEN_NEW_LINE,
+	TOKEN_COMMENT,
+	TOKEN_BRACKET_ROUND_OPEN,
+	TOKEN_BRACKET_ROUND_CLOSE,
+	TOKEN_BRACKET_SQUARE_OPEN,
+	TOKEN_BRACKET_SQUARE_CLOSE,
+	TOKEN_BRACKET_CURLY_OPEN,
+	TOKEN_BRACKET_CURLY_CLOSE,
+	TOKEN_CLASS_NAME,
+	TOKEN_INNER_CLASS,
+	TOKEN_EXTENDS,
+	TOKEN_ENUM,
+	TOKEN_FUNCTION_STATIC_DECLARATION,
+	TOKEN_FUNCTION_DECLARATION,
+	TOKEN_ARGUMENT_FUZZER,
+	TOKEN_ARGUMENT_TYPE_ASIGNMENT,
+	TOKEN_ARGUMENT_ASIGNMENT,
+	TOKEN_ARGUMENT_TYPE,
+	TOKEN_ARGUMENT_VARIADIC,
+	TOKEN_FUNCTION,
+	TOKEN_ARGUMENT_SEPARATOR,
+	TOKEN_FUNCTION_RETURN_TYPE,
+	OPERATOR_ADD,
+	OPERATOR_SUB,
+	OPERATOR_MUL,
+	OPERATOR_DIV,
+	OPERATOR_REMAINDER,
+]
+
+var _regex_strip_comments := GdUnitTools.to_regex("^([^#\"']|'[^']*'|\"[^\"]*\")*\\K#.*")
+var _scanned_inner_classes := PackedStringArray()
+var _script_constants := {}
+var _is_awaiting := GdUnitTools.to_regex("\\bawait\\s+(?![^\"]*\"[^\"]*$)(?!.*#.*await)")
+
+
+static func to_unix_format(input :String) -> String:
+	return input.replace("\r\n", "\n")
+
+
+class Token extends RefCounted:
+	var _token: String
+	var _consumed: int
+	var _is_operator: bool
+
+	func _init(p_token: String, p_is_operator := false) -> void:
+		_token = p_token
+		_is_operator = p_is_operator
+		_consumed = p_token.length()
+
+	func match(input: String, pos: int) -> bool:
+		return input.findn(_token, pos) == pos
+
+	func value() -> Variant:
+		return _token
+
+	func is_operator() -> bool:
+		return _is_operator
+
+	func is_inner_class() -> bool:
+		return _token == "class"
+
+	func is_variable() -> bool:
+		return false
+
+	func is_token(token_name :String) -> bool:
+		return _token == token_name
+
+	func is_skippable() -> bool:
+		return false
+
+	func _to_string() -> String:
+		return "Token{" + _token + "}"
+
+
+class Operator extends Token:
+	func _init(p_value: String) -> void:
+		super(p_value, true)
+
+	func _to_string() -> String:
+		return "OperatorToken{%s}" % [_token]
+
+
+# A skippable token, is just a placeholder like space or tabs
+class SkippableToken extends Token:
+
+	func _init(p_token: String) -> void:
+		super(p_token)
+
+	func is_skippable() -> bool:
+		return true
+
+
+# Token to parse function arguments
+class Variable extends Token:
+	var _plain_value :String
+	var _typed_value :Variant
+	var _type :int = TYPE_NIL
+
+
+	func _init(p_value: String) -> void:
+		super(p_value)
+		_type = _scan_type(p_value)
+		_plain_value = p_value
+		_typed_value = _cast_to_type(p_value, _type)
+
+
+	func _scan_type(p_value: String) -> int:
+		if p_value.begins_with("\"") and p_value.ends_with("\""):
+			return TYPE_STRING
+		var type_ := GdObjects.string_to_type(p_value)
+		if type_ != TYPE_NIL:
+			return type_
+		if p_value.is_valid_int():
+			return TYPE_INT
+		if p_value.is_valid_float():
+			return TYPE_FLOAT
+		if p_value.is_valid_hex_number():
+			return TYPE_INT
+		return TYPE_OBJECT
+
+
+	func _cast_to_type(p_value :String, p_type: int) -> Variant:
+		match p_type:
+			TYPE_STRING:
+				return p_value#.substr(1, p_value.length() - 2)
+			TYPE_INT:
+				return p_value.to_int()
+			TYPE_FLOAT:
+				return p_value.to_float()
+		return p_value
+
+
+	func is_variable() -> bool:
+		return true
+
+
+	func type() -> int:
+		return _type
+
+
+	func value() -> Variant:
+		return _typed_value
+
+
+	func plain_value() -> String:
+		return _plain_value
+
+
+	func _to_string() -> String:
+		return "Variable{%s: %s : '%s'}" % [_plain_value, GdObjects.type_as_string(_type), _token]
+
+
+class RegExToken extends Token:
+	var _regex: RegEx
+	var _extract_group_index: int
+	var _value := ""
+
+
+	func _init(token: String, regex: RegEx, extract_group_index: int = -1) -> void:
+		super(token, false)
+		_regex = regex
+		_extract_group_index = extract_group_index
+
+
+	func match(input: String, pos: int) -> bool:
+		var matching := _regex.search(input, pos)
+		if matching == null or pos != matching.get_start():
+			return false
+		if _extract_group_index != -1:
+			_value = matching.get_string(_extract_group_index)
+		_consumed = matching.get_end() - matching.get_start()
+		return true
+
+
+	func value() -> String:
+		return _value
+
+
+# Token to parse Fuzzers
+class FuzzerToken extends RegExToken:
+
+
+	func _init(regex: RegEx) -> void:
+		super("fuzzer", regex, 1)
+
+
+	func name() -> String:
+		return value()
+
+
+	func type() -> int:
+		return GdObjects.TYPE_FUZZER
+
+
+	func _to_string() -> String:
+		return "FuzzerToken{%s: '%s'}" % [value(), _token]
+
+
+class TokenInnerClass extends RegExToken:
+	var _content := PackedStringArray()
+
+
+	static func _strip_leading_spaces(input: String) -> String:
+		var characters := input.to_utf8_buffer()
+		while not characters.is_empty():
+			if characters[0] != 0x20:
+				break
+			characters.remove_at(0)
+		return characters.get_string_from_utf8()
+
+
+	static func _consumed_bytes(row: String) -> int:
+		return row.replace(" ", "").replace("	", "").length()
+
+
+	func _init(token: String, p_regex: RegEx, extract_group_index: int = -1) -> void:
+		super(token, p_regex, extract_group_index)
+
+
+	func is_class_name(clazz_name: String) -> bool:
+		return value() == clazz_name
+
+
+	func content() -> PackedStringArray:
+		return _content
+
+
+	@warning_ignore_start("return_value_discarded")
+	func parse(source_rows: PackedStringArray, offset: int) -> void:
+		# add class signature
+		_content.clear()
+		_content.append(source_rows[offset])
+		# parse class content
+		for row_index in range(offset+1, source_rows.size()):
+			# scan until next non tab
+			var source_row := source_rows[row_index]
+			var row := TokenInnerClass._strip_leading_spaces(source_row)
+			if row.is_empty() or row.begins_with("\t") or row.begins_with("#"):
+				# fold all line to left by removing leading tabs and spaces
+				if source_row.begins_with("\t"):
+					source_row = source_row.trim_prefix("\t")
+				# refomat invalid empty lines
+				if source_row.dedent().is_empty():
+					_content.append("")
+				else:
+					_content.append(source_row)
+				continue
+			break
+		_consumed += TokenInnerClass._consumed_bytes("".join(_content))
+	@warning_ignore_restore("return_value_discarded")
+
+
+	func _to_string() -> String:
+		return "TokenInnerClass{%s}" % [value()]
+
+
+
+func get_token(input: String, current_index: int) -> Token:
+	for t in TOKENS:
+		if t.match(input, current_index):
+			return t
+	return TOKEN_NOT_MATCH
+
+
+func next_token(input: String, current_index: int, ignore_tokens :Array[Token] = []) -> Token:
+	var token := TOKEN_NOT_MATCH
+	for t :Token in TOKENS.filter(func(t :Token) -> bool: return not ignore_tokens.has(t)):
+
+		if t.match(input, current_index):
+			token = t
+			break
+	if token == OPERATOR_SUB:
+		token = tokenize_value(input, current_index, token)
+	if token == TOKEN_NOT_MATCH:
+		return tokenize_value(input, current_index, token, ignore_tokens.has(TOKEN_FUNCTION))
+	return token
+
+
+func tokenize_value(input: String, current: int, token: Token, ignore_dots := false) -> Token:
+	var next := 0
+	var current_token := ""
+	# test for '--', '+-', '*-', '/-', '%-', or at least '-x'
+	var test_for_sign := (token == null or token.is_operator()) and input[current] == "-"
+	while current + next < len(input):
+		var character := input[current + next] as String
+		# if first charater a sign
+		# or allowend charset
+		# or is a float value
+		if (test_for_sign and next==0) \
+			or is_allowed_character(character) \
+			or (character == "." and (ignore_dots or current_token.is_valid_int())):
+			current_token += character
+			next += 1
+			continue
+		break
+	if current_token != "":
+		return Variable.new(current_token)
+	return TOKEN_NOT_MATCH
+
+
+# const ALLOWED_CHARACTERS := "0123456789_abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ\""
+func is_allowed_character(input: String) -> bool:
+	var code_point := input.unicode_at(0)
+	# Unicode
+	if code_point > 127:
+		# This is a Unicode character (Chinese, Japanese, etc.)
+		return true
+	# ASCII digit 0-9
+	if code_point >= 48 and code_point <= 57:
+		return true
+	# ASCII lowercase a-z
+	if code_point >= 97 and code_point <= 122:
+		return true
+	# ASCII uppercase A-Z
+	if code_point >= 65 and code_point <= 90:
+		return true
+	# underscore _
+	if code_point == 95:
+		return true
+	# quotes '"
+	if code_point == 34 or code_point == 39:
+		return true
+	return false
+
+
+func parse_return_token(input: String) -> Variable:
+	var index := input.rfind(TOKEN_FUNCTION_RETURN_TYPE._token)
+	if index == -1:
+		return TOKEN_NOT_MATCH
+	index += TOKEN_FUNCTION_RETURN_TYPE._consumed
+	# We scan for the return value exclusive '.' token because it could be referenced to a
+	# external or internal class e.g.  'func foo() -> InnerClass.Bar:'
+	var token := next_token(input, index, [TOKEN_FUNCTION])
+	while !token.is_variable() and token != TOKEN_NOT_MATCH:
+		index += token._consumed
+		token = next_token(input, index, [TOKEN_FUNCTION])
+	return token
+
+
+func get_function_descriptors(script: GDScript, included_functions: PackedStringArray = []) -> Array[GdFunctionDescriptor]:
+	var fds: Array[GdFunctionDescriptor] = []
+	for method_descriptor in script.get_script_method_list():
+		var func_name: String = method_descriptor["name"]
+		if included_functions.is_empty() or func_name in included_functions:
+			# exclude type set/geters
+			if is_getter_or_setter(func_name):
+				continue
+			if not fds.any(func(fd: GdFunctionDescriptor) -> bool: return fd.name() == func_name):
+				fds.append(GdFunctionDescriptor.extract_from(method_descriptor, false))
+
+	# we need to enrich it by default arguments and line number by parsing the script
+	# the engine core functions has no valid methods to get this info
+	_prescan_script(script)
+	_enrich_function_descriptor(script, fds)
+	return fds
+
+
+func is_getter_or_setter(func_name: String) -> bool:
+	return func_name.begins_with("@") and (func_name.ends_with("getter") or func_name.ends_with("setter"))
+
+
+func _parse_function_arguments(input: String) -> Array[Dictionary]:
+	var arguments: Array[Dictionary] = []
+	var current_index := 0
+	var token: Token = null
+	var bracket := 0
+	var in_function := false
+
+
+	while current_index < len(input):
+		token = next_token(input, current_index)
+		# fallback to not end in a endless loop
+		if token == TOKEN_NOT_MATCH:
+			var error : = """
+				Parsing Error: Invalid token at pos %d found.
+				Please report this error!
+				source_code:
+				--------------------------------------------------------------
+				%s
+				--------------------------------------------------------------
+			""".dedent() % [current_index, input]
+			push_error(error)
+			current_index += 1
+			continue
+		current_index += token._consumed
+		if token.is_skippable():
+			continue
+		if token == TOKEN_BRACKET_ROUND_OPEN :
+			in_function = true
+			bracket += 1
+		if token == TOKEN_BRACKET_ROUND_CLOSE:
+			bracket -= 1
+		# if function end?
+		if in_function and bracket == 0:
+			return arguments
+		# is function
+		if token == TOKEN_FUNCTION_DECLARATION:
+			continue
+
+		# is value argument
+		if in_function:
+			var arg_value := ""
+			var current_argument := {
+				"name" : "",
+				"value" : GdFunctionArgument.UNDEFINED,
+				"type" : TYPE_VARIANT
+			}
+
+			# parse type and default value
+			while current_index < len(input):
+				token = next_token(input, current_index)
+				current_index += token._consumed
+				if token.is_skippable():
+					continue
+
+				if token.is_variable() && current_argument["name"] == "":
+					arguments.append(current_argument)
+					current_argument["name"] = (token as Variable).plain_value()
+					continue
+
+				match token:
+							# is fuzzer argument
+					TOKEN_ARGUMENT_FUZZER:
+						arg_value = _parse_end_function(input.substr(current_index), true)
+						current_index += arg_value.length()
+						current_argument["name"] = (token as FuzzerToken).name()
+						current_argument["value"] = arg_value.lstrip(" ")
+						current_argument["type"] = TYPE_FUZZER
+						arguments.append(current_argument)
+						continue
+
+					TOKEN_ARGUMENT_VARIADIC:
+						current_argument["type"] = TYPE_VARARG
+
+					TOKEN_ARGUMENT_TYPE:
+						token = next_token(input, current_index)
+						if token == TOKEN_SPACE:
+							current_index += token._consumed
+							token = next_token(input, current_index)
+							current_index += token._consumed
+						if current_argument["type"] != TYPE_VARARG:
+							current_argument["type"] = GdObjects.string_to_type((token as Variable).plain_value())
+
+					TOKEN_ARGUMENT_TYPE_ASIGNMENT:
+						arg_value = _parse_end_function(input.substr(current_index), true)
+						current_index += arg_value.length()
+						current_argument["value"] = arg_value.lstrip(" ")
+					TOKEN_ARGUMENT_ASIGNMENT:
+						token = next_token(input, current_index)
+						arg_value = _parse_end_function(input.substr(current_index), true)
+						current_index += arg_value.length()
+						current_argument["value"] = arg_value.lstrip(" ")
+
+					TOKEN_BRACKET_SQUARE_OPEN:
+						bracket += 1
+					TOKEN_BRACKET_CURLY_OPEN:
+						bracket += 1
+					TOKEN_BRACKET_ROUND_OPEN :
+						bracket += 1
+						# if value a function?
+						if bracket > 1:
+							# complete the argument value
+							var func_begin := input.substr(current_index-TOKEN_BRACKET_ROUND_OPEN ._consumed)
+							var func_body := _parse_end_function(func_begin)
+							arg_value += func_body
+							# fix parse index to end of value
+							current_index += func_body.length() - TOKEN_BRACKET_ROUND_OPEN ._consumed - TOKEN_BRACKET_ROUND_CLOSE._consumed
+					TOKEN_BRACKET_SQUARE_CLOSE:
+						bracket -= 1
+					TOKEN_BRACKET_CURLY_CLOSE:
+						bracket -= 1
+					TOKEN_BRACKET_ROUND_CLOSE:
+						bracket -= 1
+						# end of function
+						if bracket == 0:
+							break
+					TOKEN_ARGUMENT_SEPARATOR:
+						if bracket <= 1:
+							# next argument
+							current_argument = {
+								"name" : "",
+								"value" : GdFunctionArgument.UNDEFINED,
+								"type" : GdObjects.TYPE_VARIANT
+							}
+							continue
+	return arguments
+
+
+func _parse_end_function(input: String, remove_trailing_char := false) -> String:
+	# find end of function
+	var current_index := 0
+	var bracket_count := 0
+	var in_array := 0
+	var in_dict := 0
+	var end_of_func := false
+
+	while current_index < len(input) and not end_of_func:
+		var character := input[current_index]
+		# step over strings
+		if character == "'" :
+			current_index = input.find("'", current_index+1) + 1
+			if current_index == 0:
+				push_error("Parsing error on '%s', can't evaluate end of string." % input)
+				return ""
+			continue
+		if character == '"' :
+			# test for string blocks
+			if input.find('"""', current_index) == current_index:
+				current_index = input.find('"""', current_index+3) + 3
+			else:
+				current_index = input.find('"', current_index+1) + 1
+			if current_index == 0:
+				push_error("Parsing error on '%s', can't evaluate end of string." % input)
+				return ""
+			continue
+
+		match character:
+			# count if inside an array
+			"[": in_array += 1
+			"]": in_array -= 1
+			# count if inside an dictionary
+			"{": in_dict += 1
+			"}": in_dict -= 1
+			# count if inside a function
+			"(": bracket_count += 1
+			")":
+				bracket_count -= 1
+				if bracket_count < 0 and in_array <= 0 and in_dict <= 0:
+					end_of_func = true
+			",":
+				if bracket_count == 0 and in_array == 0 and in_dict <= 0:
+					end_of_func = true
+		current_index += 1
+	if remove_trailing_char:
+		# check if the parsed value ends with comma or end of doubled breaked
+		# `<value>,` or `<function>())`
+		var trailing_char := input[current_index-1]
+		if trailing_char == ',' or (bracket_count < 0 and trailing_char == ')'):
+			return input.substr(0, current_index-1)
+	return input.substr(0, current_index)
+
+
+func extract_inner_class(source_rows: PackedStringArray, clazz_name :String) -> PackedStringArray:
+	for row_index in source_rows.size():
+		var input := source_rows[row_index]
+		var token := next_token(input, 0)
+		if token.is_inner_class():
+			@warning_ignore("unsafe_method_access")
+			if token.is_class_name(clazz_name):
+				@warning_ignore("unsafe_method_access")
+				token.parse(source_rows, row_index)
+				@warning_ignore("unsafe_method_access")
+				return token.content()
+	return PackedStringArray()
+
+
+func extract_func_signature(rows: PackedStringArray, index: int) -> String:
+	var signature := ""
+
+	for rowIndex in range(index, rows.size()):
+		var row := rows[rowIndex]
+		row = _regex_strip_comments.sub(row, "").strip_edges(false)
+		if row.is_empty():
+			continue
+		signature += row + "\n"
+		if is_func_end(row):
+			return signature.strip_edges()
+	push_error("Can't fully extract function signature of '%s'" % rows[index])
+	return ""
+
+
+func get_class_name(script :GDScript) -> String:
+	var source_code := GdScriptParser.to_unix_format(script.source_code)
+	var source_rows := source_code.split("\n")
+
+	for index :int in min(10, source_rows.size()):
+		var input := source_rows[index]
+		var token := next_token(input, 0)
+		if token == TOKEN_CLASS_NAME:
+			return token.value()
+	# if no class_name found extract from file name
+	return GdObjects.to_pascal_case(script.resource_path.get_basename().get_file())
+
+
+func parse_func_name(input: String) -> String:
+	if TOKEN_FUNCTION_DECLARATION.match(input, 0):
+		return TOKEN_FUNCTION_DECLARATION.value()
+	if TOKEN_FUNCTION_STATIC_DECLARATION.match(input, 0):
+		return TOKEN_FUNCTION_STATIC_DECLARATION.value()
+	push_error("Can't extract function name from '%s'" % input)
+	return ""
+
+
+## Enriches the function descriptor by line number and argument default values
+## - enrich all function descriptors form current script up to all inherited scrips
+func _enrich_function_descriptor(script: GDScript, fds: Array[GdFunctionDescriptor]) -> void:
+	var enriched_functions := {}  # Use Dictionary for O(1) lookup instead of PackedStringArray
+	var script_to_scan := script
+	while script_to_scan != null:
+		# do not scan the test suite base class itself
+		if script_to_scan.resource_path == "res://addons/gdUnit4/src/GdUnitTestSuite.gd":
+			break
+
+		var rows := script_to_scan.source_code.split("\n")
+		for rowIndex in rows.size():
+			var input := rows[rowIndex]
+			# step over inner class functions
+			if input.begins_with("\t"):
+				continue
+			# skip comments and empty lines
+			if input.begins_with("#") or input.length() == 0:
+				continue
+			var token := next_token(input, 0)
+			if token != TOKEN_FUNCTION_STATIC_DECLARATION and token != TOKEN_FUNCTION_DECLARATION:
+				continue
+
+			var function_name: String = token.value()
+			# Skip if already enriched (from parent class scan)
+			if enriched_functions.has(function_name):
+				continue
+
+			# Find matching function descriptor
+			var fd: GdFunctionDescriptor = null
+			for candidate in fds:
+				if candidate.name() == function_name:
+					fd = candidate
+					break
+			if fd == null:
+				continue
+			# Mark as enriched
+			enriched_functions[function_name] = true
+			var func_signature := extract_func_signature(rows, rowIndex)
+			var func_arguments := _parse_function_arguments(func_signature)
+			# enrich missing default values
+			fd.enrich_arguments(func_arguments)
+			fd.enrich_file_info(script_to_scan.resource_path, rowIndex + 1)
+			fd._is_coroutine = is_func_coroutine(rows, rowIndex)
+			# enrich return class name if not set
+			if fd.return_type() == TYPE_OBJECT and fd._return_class in ["", "Resource", "RefCounted"]:
+				var var_token := parse_return_token(func_signature)
+				if var_token != TOKEN_NOT_MATCH and var_token.type() == TYPE_OBJECT:
+					fd._return_class = _patch_inner_class_names(var_token.plain_value(), "")
+		# if the script ihnerits we need to scan this also
+		script_to_scan = script_to_scan.get_base_script()
+
+
+func is_func_coroutine(rows :PackedStringArray, index :int) -> bool:
+	var is_coroutine := false
+	for rowIndex in range(index+1, rows.size()):
+		var input := rows[rowIndex].strip_edges()
+		if input.begins_with("#") or input.is_empty():
+			continue
+		var token := next_token(input, 0)
+		# scan until next function
+		if token == TOKEN_FUNCTION_STATIC_DECLARATION or token == TOKEN_FUNCTION_DECLARATION:
+			break
+
+		if _is_awaiting.search(input):
+			return true
+	return is_coroutine
+
+
+func is_inner_class(clazz_path :PackedStringArray) -> bool:
+	return clazz_path.size() > 1
+
+
+func is_func_end(row :String) -> bool:
+	return row.strip_edges(false, true).ends_with(":")
+
+
+func _patch_inner_class_names(clazz :String, clazz_name :String = "") -> String:
+	var inner_clazz_name := clazz.split(".")[0]
+	if _scanned_inner_classes.has(inner_clazz_name):
+		return inner_clazz_name
+		#var base_clazz := clazz_name.split(".")[0]
+		#return base_clazz + "." + clazz
+	if _script_constants.has(clazz):
+		return clazz_name + "." + clazz
+	return clazz
+
+
+func _prescan_script(script: GDScript) -> void:
+	_script_constants = script.get_script_constant_map()
+	for key :String in _script_constants.keys():
+		var value :Variant = _script_constants.get(key)
+		if value is GDScript:
+			@warning_ignore("return_value_discarded")
+			_scanned_inner_classes.append(key)
+
+
+func parse(clazz_name :String, clazz_path :PackedStringArray) -> GdUnitResult:
+	if clazz_path.is_empty():
+		return GdUnitResult.error("Invalid script path '%s'" % clazz_path)
+	var is_inner_class_ := is_inner_class(clazz_path)
+	var script :GDScript = load(clazz_path[0])
+	_prescan_script(script)
+
+	if is_inner_class_:
+		var inner_class_name := clazz_path[1]
+		if _scanned_inner_classes.has(inner_class_name):
+			# do load only on inner class source code and enrich the stored script instance
+			var source_code := _load_inner_class(script, inner_class_name)
+			script = _script_constants.get(inner_class_name)
+			script.source_code = source_code
+	var function_descriptors := get_function_descriptors(script)
+	var gd_class := GdClassDescriptor.new(clazz_name, is_inner_class_, function_descriptors)
+	return GdUnitResult.success(gd_class)
+
+
+func _load_inner_class(script: GDScript, inner_clazz: String) -> String:
+	var source_rows := GdScriptParser.to_unix_format(script.source_code).split("\n")
+	# extract all inner class names
+	var inner_class_code := extract_inner_class(source_rows, inner_clazz)
+	return "\n".join(inner_class_code)
diff --git a/addons/gdUnit4/src/core/parse/GdScriptParser.gd.uid b/addons/gdUnit4/src/core/parse/GdScriptParser.gd.uid
new file mode 100644
index 0000000..11d95e1
--- /dev/null
+++ b/addons/gdUnit4/src/core/parse/GdScriptParser.gd.uid
@@ -0,0 +1 @@
+uid://djbak301ao2c0
diff --git a/addons/gdUnit4/src/core/parse/GdUnitExpressionRunner.gd b/addons/gdUnit4/src/core/parse/GdUnitExpressionRunner.gd
new file mode 100644
index 0000000..9faf830
--- /dev/null
+++ b/addons/gdUnit4/src/core/parse/GdUnitExpressionRunner.gd
@@ -0,0 +1,74 @@
+class_name GdUnitExpressionRunner
+extends RefCounted
+
+const CLASS_TEMPLATE = """
+class_name _ExpressionRunner extends '${clazz_path}'
+
+func __run_expression() -> Variant:
+	return $expression
+
+"""
+
+var constructor_args_regex := RegEx.create_from_string("new\\((?<args>.*)\\)")
+
+
+func execute(src_script: GDScript, value: Variant) -> Variant:
+	if typeof(value) != TYPE_STRING:
+		return value
+
+	var expression: String = value
+	var parameter_map := src_script.get_script_constant_map()
+	for key: String in parameter_map.keys():
+		var parameter_value: Variant = parameter_map[key]
+		# check we need to construct from inner class
+		# we need to use the original class instance from the script_constant_map otherwise we run into a runtime error
+		if expression.begins_with(key + ".new") and parameter_value is GDScript:
+			var object: GDScript = parameter_value
+			var args := build_constructor_arguments(parameter_map, expression.substr(expression.find("new")))
+			if args.is_empty():
+				return object.new()
+			return object.callv("new", args)
+
+	var script := GDScript.new()
+	var resource_path := "res://addons/gdUnit4/src/Fuzzers.gd" if src_script.resource_path.is_empty() else src_script.resource_path
+	script.source_code = CLASS_TEMPLATE.dedent()\
+		.replace("${clazz_path}", resource_path)\
+		.replace("$expression", expression)
+	#script.take_over_path(resource_path)
+	@warning_ignore("return_value_discarded")
+	script.reload(true)
+	var runner: Object = script.new()
+	if runner.has_method("queue_free"):
+		(runner as Node).queue_free()
+	@warning_ignore("unsafe_method_access")
+	return runner.__run_expression()
+
+
+func build_constructor_arguments(parameter_map: Dictionary, expression: String) -> Array[Variant]:
+	var result := constructor_args_regex.search(expression)
+	var extracted_arguments := result.get_string("args").strip_edges()
+	if extracted_arguments.is_empty():
+		return []
+	var arguments :Array = extracted_arguments.split(",")
+	return arguments.map(func(argument: String) -> Variant:
+		var value := argument.strip_edges()
+
+		# is argument an constant value
+		if parameter_map.has(value):
+			return parameter_map[value]
+		# is typed named value like Vector3.ONE
+		for type:int in GdObjects.TYPE_AS_STRING_MAPPINGS:
+			var type_as_string:String = GdObjects.TYPE_AS_STRING_MAPPINGS[type]
+			if value.begins_with(type_as_string):
+				return type_convert(value, type)
+		# is value a string
+		if value.begins_with("'") or value.begins_with('"'):
+			return value.trim_prefix("'").trim_suffix("'").trim_prefix('"').trim_suffix('"')
+		# fallback to default value converting
+		return str_to_var(value)
+	)
+
+
+func to_fuzzer(src_script: GDScript, expression: String) -> Fuzzer:
+	@warning_ignore("unsafe_cast")
+	return execute(src_script, expression) as Fuzzer
diff --git a/addons/gdUnit4/src/core/parse/GdUnitExpressionRunner.gd.uid b/addons/gdUnit4/src/core/parse/GdUnitExpressionRunner.gd.uid
new file mode 100644
index 0000000..54da916
--- /dev/null
+++ b/addons/gdUnit4/src/core/parse/GdUnitExpressionRunner.gd.uid
@@ -0,0 +1 @@
+uid://cstpl6o675qkp
diff --git a/addons/gdUnit4/src/core/parse/GdUnitTestParameterSetResolver.gd b/addons/gdUnit4/src/core/parse/GdUnitTestParameterSetResolver.gd
new file mode 100644
index 0000000..527661d
--- /dev/null
+++ b/addons/gdUnit4/src/core/parse/GdUnitTestParameterSetResolver.gd
@@ -0,0 +1,163 @@
+## @deprecated see GdFunctionParameterSetResolver
+class_name GdUnitTestParameterSetResolver
+extends RefCounted
+
+const CLASS_TEMPLATE = """
+class_name _ParameterExtractor extends '${clazz_path}'
+
+func __extract_test_parameters() -> Array:
+	return ${test_params}
+
+"""
+
+const EXCLUDE_PROPERTIES_TO_COPY = [
+	"script",
+	"type",
+	"Node",
+	"_import_path"]
+
+
+var _fd: GdFunctionDescriptor
+var _static_sets_by_index := {}
+var _is_static := true
+
+func _init(fd: GdFunctionDescriptor) -> void:
+	_fd = fd
+
+
+func is_parameterized() -> bool:
+	return _fd.is_parameterized()
+
+
+func is_parameter_sets_static() -> bool:
+	return _is_static
+
+
+func is_parameter_set_static(index: int) -> bool:
+	return _is_static and _static_sets_by_index.get(index, false)
+
+
+# validates the given arguments are complete and matches to required input fields of the test function
+func validate(parameter_sets: Array, parameter_set_index: int) -> GdUnitResult:
+	if parameter_sets.size() < parameter_set_index:
+		return GdUnitResult.error("Internal error: the resolved paremeterset has invalid size.")
+
+	var input_values: Array = parameter_sets[parameter_set_index]
+	if input_values == null:
+		return GdUnitResult.error("The parameter set '%s' must be an Array!" % parameter_sets[parameter_set_index])
+
+	# check given parameter set with test case arguments
+	var input_arguments := _fd.args()
+	var expected_arg_count := input_arguments.size() - 1 #(-1 we exclude the parameter set itself)
+	var current_arg_count := input_values.size()
+	if current_arg_count != expected_arg_count:
+		var arg_names := input_arguments\
+			.filter(func(arg: GdFunctionArgument) -> bool: return not arg.is_parameter_set())\
+			.map(func(arg: GdFunctionArgument) -> String: return str(arg))
+
+		return  GdUnitResult.error("""
+			The test data set at index (%d) does not match the expected test arguments:
+				test function: [color=snow]func test...(%s)[/color]
+				test input values: [color=snow]%s[/color]
+			"""
+			.dedent() % [parameter_set_index, ",".join(arg_names), input_values])
+	return GdUnitTestParameterSetResolver.validate_parameter_types(input_arguments, input_values)
+
+
+static func validate_parameter_types(input_arguments: Array[GdFunctionArgument], input_values: Array) -> GdUnitResult:
+	for i in input_arguments.size():
+		var input_param: GdFunctionArgument = input_arguments[i]
+		# only check the test input arguments
+		if input_param.is_parameter_set():
+			continue
+		var input_param_type := input_param.type()
+		var input_value :Variant = input_values[i]
+		var input_value_type := typeof(input_value)
+		# input parameter is not typed or is Variant we skip the type test
+		if input_param_type == TYPE_NIL or input_param_type == GdObjects.TYPE_VARIANT:
+			continue
+		# is input type enum allow int values
+		if input_param_type == GdObjects.TYPE_VARIANT and input_value_type == TYPE_INT:
+			continue
+		# allow only equal types and object == null
+		if input_param_type == TYPE_OBJECT and input_value_type == TYPE_NIL:
+			continue
+		if input_param_type != input_value_type:
+			return GdUnitResult.error("""
+				The test data value does not match the expected input type!
+					input value: [color=snow]'%s', <%s>[/color]
+					expected argument: [color=snow]%s[/color]
+				"""
+				.dedent() % [input_value, type_string(input_value_type), str(input_param)])
+	return GdUnitResult.success("No errors found.")
+
+
+func _extract_property_names(node :Node) -> PackedStringArray:
+	return node.get_property_list()\
+		.map(func(property :Dictionary) -> String: return property["name"])\
+		.filter(func(property :String) -> bool: return !EXCLUDE_PROPERTIES_TO_COPY.has(property))
+
+
+# tests if the test property set contains an property reference by name, if not the parameter set holds only static values
+func _is_static_parameter_set(parameters :String, property_names :PackedStringArray) -> bool:
+	for property_name in property_names:
+		if parameters.contains(property_name):
+			_is_static = false
+			return false
+	return true
+
+
+# extracts the arguments from the given test case, using kind of reflection solution
+# to restore the parameters from a string representation to real instance type
+func load_parameter_sets(test_suite: Node) -> GdUnitResult:
+	var source_script: Script = test_suite.get_script()
+	var parameter_arg := GdFunctionArgument.get_parameter_set(_fd.args())
+	var source_code := CLASS_TEMPLATE \
+		.replace("${clazz_path}", source_script.resource_path) \
+		.replace("${test_params}", parameter_arg.value_as_string())
+	var script := GDScript.new()
+	script.source_code = source_code
+	# enable this lines only for debuging
+	#script.resource_path = GdUnitFileAccess.create_temp_dir("parameter_extract") + "/%s__.gd" % test_case.get_name()
+	#DirAccess.remove_absolute(script.resource_path)
+	#ResourceSaver.save(script, script.resource_path)
+	var result := script.reload()
+	if result != OK:
+		return GdUnitResult.error("Extracting test parameters failed! Script loading error: %s" % error_string(result))
+	var instance :Object = script.new()
+	GdUnitTestParameterSetResolver.copy_properties(test_suite, instance)
+	(instance as Node).queue_free()
+	var parameter_sets: Array = instance.call("__extract_test_parameters")
+	fixure_typed_parameters(parameter_sets, _fd.args())
+	return GdUnitResult.success(parameter_sets)
+
+
+func fixure_typed_parameters(parameter_sets: Array, arg_descriptors: Array[GdFunctionArgument]) -> Array:
+	for parameter_set_index in parameter_sets.size():
+		var parameter_set: Array = parameter_sets[parameter_set_index]
+		# run over all function arguments
+		for parameter_index in parameter_set.size():
+			var parameter :Variant = parameter_set[parameter_index]
+			var arg_descriptor: GdFunctionArgument = arg_descriptors[parameter_index]
+			if parameter is Array:
+				var as_array: Array = parameter
+				# we need to convert the untyped array to the expected typed version
+				if arg_descriptor.is_typed_array():
+					parameter_set[parameter_index] = Array(as_array, arg_descriptor.type_hint(), "", null)
+	return parameter_sets
+
+
+static func copy_properties(source: Object, dest: Object) -> void:
+	for property in source.get_property_list():
+		var property_name :String = property["name"]
+		var property_value :Variant = source.get(property_name)
+		if EXCLUDE_PROPERTIES_TO_COPY.has(property_name):
+			continue
+		#if dest.get(property_name) == null:
+		#	prints("|%s|" % property_name, source.get(property_name))
+
+		# check for invalid name property
+		if property_name == "name" and property_value == "":
+			dest.set(property_name, "<empty>");
+			continue
+		dest.set(property_name, property_value)
diff --git a/addons/gdUnit4/src/core/parse/GdUnitTestParameterSetResolver.gd.uid b/addons/gdUnit4/src/core/parse/GdUnitTestParameterSetResolver.gd.uid
new file mode 100644
index 0000000..a12fb18
--- /dev/null
+++ b/addons/gdUnit4/src/core/parse/GdUnitTestParameterSetResolver.gd.uid
@@ -0,0 +1 @@
+uid://deasps2102or7