extends GutInternalTester


class FakeBase:
	var foo = 'foo'

	func set_foo(val):
		foo = val

	func get_foo():
		return foo


class FakeDouble:
	extends FakeBase




class TestTheBasics:
	extends GutInternalTester

	var DoubleTools = load("res://addons/gut/double_tools.gd")
	var Stubber = load("res://addons/gut/stubber.gd")
	var StubParams = load("res://addons/gut/stub_params.gd")

	var call_this_was_called = false
	func call_this(value):
		call_this_was_called = value

	func before_each():
		call_this_was_called = false


	func test_can_make_one():
		assert_not_null(DoubleTools.new())

	func test_get_method_to_call_returns_null_when_not_stubbed():
		var fd = FakeDouble.new()
		var stbr = Stubber.new()

		var dt = DoubleTools.new()
		dt.stubber_ref = weakref(stbr)
		dt.double_ref = weakref(fd)

		assert_null(dt.handle_other_stubs('set_foo', [1]))


	func test_handle_other_stubs_calls_method():
		var fd = FakeDouble.new()

		var sp = StubParams.new(fd.set_foo)
		sp.to_call(call_this)

		var stbr = Stubber.new()
		stbr.add_stub(sp)

		var dt = DoubleTools.new()
		dt.stubber_ref = weakref(stbr)
		dt.double_ref = weakref(fd)

		dt.handle_other_stubs('set_foo', [1])
		assert_eq(call_this_was_called, 1)
		stbr.clear()


	func test_handle_other_stubs_returns_value():
		var fd = FakeDouble.new()

		var sp = StubParams.new(fd.get_foo)
		sp.to_call(func(): return 'asdf')

		var stbr = Stubber.new()
		stbr.add_stub(sp)

		var dt = DoubleTools.new()
		dt.stubber_ref = weakref(stbr)
		dt.double_ref = weakref(fd)

		var result = dt.handle_other_stubs('get_foo', [])
		assert_eq(result, 'asdf')
		stbr.clear()