def test_struct_return_send(self):
"Methods returning structs of different sizes by value can be handled when using send_message."
Example = ObjCClass('Example')
example = Example.alloc().init()
class struct_int_sized(Structure):
_fields_ = [("x", c_char * 4)]
self.assertEqual(
send_message(example, "intSizedStruct",
restype=struct_int_sized).x, b"abc")
class struct_oddly_sized(Structure):
_fields_ = [("x", c_char * 5)]
self.assertEqual(
send_message(example,
"oddlySizedStruct",
restype=struct_oddly_sized).x, b"abcd")
class struct_large(Structure):
_fields_ = [("x", c_char * 17)]
self.assertEqual(
send_message(example, "largeStruct", restype=struct_large).x,
b"abcdefghijklmnop")
def test_struct_return_send(self):
"Methods returning structs of different sizes by value can be handled when using send_message."
Example = ObjCClass('Example')
example = Example.alloc().init()
self.assertEqual(
send_message(example,
"intSizedStruct",
restype=struct_int_sized,
argtypes=[]).x,
b"abc",
)
self.assertEqual(
send_message(example,
"oddlySizedStruct",
restype=struct_oddly_sized,
argtypes=[]).x,
b"abcd",
)
self.assertEqual(
send_message(example,
"largeStruct",
restype=struct_large,
argtypes=[]).x,
b"abcdefghijklmnop",
)
def test_struct_return_send(self):
"Methods returning structs of different sizes by value can be handled when using send_message."
Example = ObjCClass('Example')
example = Example.alloc().init()
self.assertEqual(send_message(example, "intSizedStruct", restype=struct_int_sized).x, b"abc")
self.assertEqual(send_message(example, "oddlySizedStruct", restype=struct_oddly_sized).x, b"abcd")
self.assertEqual(send_message(example, "largeStruct", restype=struct_large).x, b"abcdefghijklmnop")
def flip(i, back=False):
old, new = (opened[i], closed[i]) if back else (closed[i], opened[i])
send_message(UIView,
b"transitionFromView:toView:duration:options:completion:",
old,
new,
NSTimeInterval(0.3),
UIViewAnimationOptionTransitionFlipFromBottom,
None)
def test_method_send(self):
"An instance method can be invoked with send_message."
Example = ObjCClass('Example')
obj = Example.alloc().init()
self.assertEqual(
send_message(obj, "accessBaseIntField", restype=c_int,
argtypes=[]), 22)
self.assertEqual(
send_message(obj, "accessIntField", restype=c_int, argtypes=[]),
33)
send_message(obj,
"mutateBaseIntFieldWithValue:",
8888,
restype=None,
argtypes=[c_int])
send_message(obj,
"mutateIntFieldWithValue:",
9999,
restype=None,
argtypes=[c_int])
self.assertEqual(
send_message(obj, "accessBaseIntField", restype=c_int,
argtypes=[]), 8888)
self.assertEqual(
send_message(obj, "accessIntField", restype=c_int, argtypes=[]),
9999)
def test_send_sel(self):
"""send_message accepts a SEL object as the selector parameter."""
Example = ObjCClass('Example')
obj = Example.alloc().init()
self.assertEqual(send_message(obj, SEL("accessIntField"), restype=c_int, argtypes=[]), 33)
def test_double_method_send(self):
"A method with a double argument can be handled by send_message."
Example = ObjCClass('Example')
example = Example.alloc().init()
self.assertAlmostEqual(
send_message(example,
"areaOfCircle:",
1.5,
restype=c_double,
argtypes=[c_double]), 1.5 * math.pi, 5)
def test_float_method_send(self):
"A method with a float argument can be handled by send_message."
Example = ObjCClass('Example')
example = Example.alloc().init()
self.assertEqual(
send_message(example,
"areaOfSquare:",
1.5,
restype=c_float,
argtypes=[c_float]), 2.25)
def create(self):
self.native = TogaNumericTextField.alloc().init()
self.native.interface = self.interface
self.native.delegate = self.native
self.native.borderStyle = UITextBorderStyle.RoundedRect
# FIXME: See Rubicon #96
# self.native.keyboardType = UIKeyboardType.DecimalPad
send_message(self.native,
'setKeyboardType:',
UIKeyboardType.DecimalPad.value,
restype=None,
argtypes=[c_int])
# Make the text field respond to any content change.
self.native.addTarget(self.native,
action=SEL('textFieldDidChange:'),
forControlEvents=UIControlEventEditingChanged)
# Add the layout constraints
self.add_constraints()
def test_double_method_send(self):
"A method with a double argument can be handled by send_message."
Example = ObjCClass('Example')
example = Example.alloc().init()
self.assertAlmostEqual(
send_message(
example, "areaOfCircle:", 1.5,
restype=c_double,
argtypes=[c_double]
),
1.5 * math.pi, 5
)
def test_method_send(self):
"An instance method can be invoked with send_message."
Example = ObjCClass('Example')
obj = Example.alloc().init()
self.assertEqual(send_message(obj, "accessBaseIntField", restype=c_int), 22)
self.assertEqual(send_message(obj, "accessIntField", restype=c_int), 33)
send_message(obj, "mutateBaseIntFieldWithValue:", 8888, restype=None, argtypes=[c_int])
send_message(obj, "mutateIntFieldWithValue:", 9999, restype=None, argtypes=[c_int])
self.assertEqual(send_message(obj, "accessBaseIntField", restype=c_int), 8888)
self.assertEqual(send_message(obj, "accessIntField", restype=c_int), 9999)
def test_method_incorrect_argument_count_send(self):
"""Attempting to call a method with send_message with an incorrect number of arguments throws an exception."""
Example = ObjCClass('Example')
obj = Example.alloc().init()
with self.assertRaises(TypeError):
send_message(obj,
'accessIntField',
'extra argument 1',
restype=c_int,
argtypes=[])
with self.assertRaises(TypeError):
send_message(obj,
'mutateIntFieldWithValue:',
restype=None,
argtypes=[c_int])
with self.assertRaises(TypeError):
send_message(obj,
'mutateIntFieldWithValue:',
123,
'extra_argument',
restype=None,
argtypes=[c_int])
def test_method_varargs_send(self):
"""A variadic method can be called using send_message."""
NSString = ObjCClass('NSString')
formatted = send_message(
NSString,
'stringWithFormat:',
at('This is a %@ with %@'),
varargs=[at('string'), at('placeholders')],
restype=objc_id,
argtypes=[objc_id],
)
self.assertEqual(str(ObjCInstance(formatted)), 'This is a string with placeholders')
def create(self):
self.native = TogaNumericTextField.alloc().init()
self.native.interface = self.interface
self.native.delegate = self.native
self.native.borderStyle = UITextBorderStyle.RoundedRect
# FIXME: See Rubicon #96
# self.native.keyboardType = UIKeyboardType.DecimalPad
send_message(
self.native,
'setKeyboardType:',
UIKeyboardType.DecimalPad.value,
restype=None,
argtypes=[c_int]
)
# Make the text field respond to any content change.
self.native.addTarget(
self.native,
action=SEL('textFieldDidChange:'),
forControlEvents=UIControlEventEditingChanged
)
# Add the layout constraints
self.add_constraints()
def test_float_method_send(self):
"A method with a float argument can be handled by send_message."
Example = ObjCClass('Example')
example = Example.alloc().init()
self.assertEqual(send_message(example, "areaOfSquare:", 1.5, restype=c_float, argtypes=[c_float]), 2.25)
def from_python(cls, s):
b = s.encode('utf8')
obj = send_message(ObjCClass("NSString"), b'stringWithUTF8String:', b)
return cls(obj)
