chore: add GUT test framework

addons/gut/scratch/get_parent_class.gd

@@ -0,0 +1,94 @@
+extends SceneTree
+
+const INNER_CLASSES_PATH = 'res://test/resources/doubler_test_objects/inner_classes.gd'
+var InnerClasses = load(INNER_CLASSES_PATH)
+
+
+class BaseClass:
+    var foo = 'bar'
+
+class ILevelOne:
+    extends BaseClass
+
+class ILevelTwo:
+    extends ILevelOne
+
+var the_hash = make_class_db_hash()
+
+
+func test_someting():
+    var ic = InnerClasses.new()
+    var ic_ia = InnerClasses.InnerA.new()
+
+    var dict = {}
+    dict[InnerClasses.InnerA] = 'poop'
+    dict[InnerClasses] = 'foobar'
+    dict[InnerClasses.AnotherInnerA] = 'bar -> foo'
+
+    print(ic_ia, ' is InnerClasses ', ic_ia.is_instance_of(InnerClasses))
+    print(ic_ia.get_class())
+    print(ic_ia.get_script())
+    print(dict[ic_ia.get_script()])
+
+
+func print_stuff(thing):
+    var s = thing.get_script()
+    print(thing)
+    print('  -', s)
+    print('  -', s.get_instance_base_type())
+    print('  -', s.get_base_script())
+    print('  -', s.get_name())
+    print('  -', s.resource_name)
+    print('  -', s.get_rid())
+
+    # print(thing.get_class())
+    # print(thing.get_class().get_instance_base_type())
+
+func find_top_of_inheritance(thing):
+    var p = thing.get_script()
+    var last_p = null
+    while(p != null):
+        last_p = p
+        p = p.get_base_script()
+
+    # last_p = ClassDB.get_class(last_p.get_class())
+
+    print('top parent = ', last_p)
+    print(the_hash[last_p.get_instance_base_type()])
+
+
+func test_something_else():
+    var b = BaseClass.new()
+    var one = ILevelOne.new()
+    var two = ILevelTwo.new()
+
+    print_stuff(b)
+    print_stuff(one)
+    print_stuff(two)
+
+    print('RefCounted = ', RefCounted)
+    print('top should be ', BaseClass)
+    find_top_of_inheritance(two)
+
+
+
+func make_class_db_hash_text():
+    var text = "var all_classes = {\n"
+    for classname in ClassDB.get_class_list():
+        if(ClassDB.can_instantiate(classname)):
+            text += str('    "', classname, '": ', classname, ", \n")
+        else:
+            text += str('    # ', classname, "\n")
+    text += "}"
+    print(GutUtils.add_line_numbers(text))
+    return text
+
+func make_class_db_hash():
+    var source = make_class_db_hash_text()
+    return GutUtilscreate_script_from_source(source).new().all_classes
+
+
+func _init():
+
+    test_something_else()
+    quit();