def test_create_generates_rotation_minus_one_PhotoImage_copies(self):
rotations = 8
shape = bitmap.Shape(filename='filename', rotations=rotations)
straight = shape[0]
self.assertEqual(straight.copies, rotations - 1)
def test_int_anchor_is_taken_as_is(self):
anchor = (20, 10)
shape = bitmap.Shape(filename='filename',
anchor=anchor,
pre_rotate=False)
self.assertEqual(shape.anchor, anchor)
def test_create_with_filename_passes_it_as_file_to_PhotoImage(self):
filename = 'the-filename'
_shape = bitmap.Shape(filename=filename, pre_rotate=False)
photoimage_init_calls = self.tkinter.photoimage_init_calls
[_first_call_args, first_call_kwargs], *_ = photoimage_init_calls
self.assertEqual(first_call_kwargs['file'], filename)
def test_create_with_filename_passes_it_to_PIL_Image(self):
filename = 'the-filename'
_shape = bitmap.Shape(filename=filename, pre_rotate=False)
image_init_calls = self.pil_image.init_calls
[first_call_args, _first_call_kwargs], *_ = image_init_calls
self.assertEqual(first_call_args[0], filename)
def test_create_with_data_passes_it_as_data_to_PhotoImage(self):
data = b'some-data'
_shape = bitmap.Shape(data=data, pre_rotate=False)
photoimage_init_calls = self.tkinter.photoimage_init_calls
[_first_call_args, first_call_kwargs], *_ = photoimage_init_calls
self.assertEqual(first_call_kwargs['data'], data)
def test_create_leads_to_rotation_PhotoImage_calls(self):
rotations = 8
_shape = bitmap.Shape(filename='filename', rotations=rotations)
self.assertEqual(
len(self.pil_image_tk.photoimage_calls),
rotations,
)
def test_float_anchor_is_relative_to_width_height(self):
anchor = (0.5, 0.5)
shape = bitmap.Shape(filename='filename',
anchor=anchor,
pre_rotate=False)
# The underlying fake images are 42 x 24.
expected_anchor = (21, 12)
self.assertEqual(shape.anchor, expected_anchor)
def test_copy_creation_calls_PhotoImage_put_and_transparency_set(self):
rotations = 2
shape = bitmap.Shape(filename='filename', rotations=rotations)
inverted = shape[180]
# PhotoImage.put called once.
# PhotoImage.transparency_set called width x height.
self.assertEqual(inverted.put.call_count, 1)
tset_calls = inverted.width() * inverted.height()
self.assertEqual(inverted.transparency_set.call_count, tset_calls)
def test_create_with_data_b64decodes_and_passes_as_file_to_PIL_Image(self):
binay_data = b'hello there'
b64data = base64.b64encode(binay_data)
_shape = bitmap.Shape(data=b64data, pre_rotate=False)
image_init_calls = self.pil_image.init_calls
[first_call_args, _first_call_kwargs], *_ = image_init_calls
first_call_first_arg, *_ = first_call_args
file_data = first_call_first_arg.read()
self.assertEqual(file_data, binay_data)
def test_copy_creation_calls_PhotoImage_get_and_transparency_get(self):
rotations = 2
shape = bitmap.Shape(filename='filename', rotations=rotations)
straight = shape[0]
# PhotoImage.get and .transparency_get called:
# - More than once...
# - ...and, at most, width x height x (rotations - 1).
max_calls = straight.width() * straight.height() * (rotations - 1)
get_calls = straight.get.call_count
self.assertGreater(get_calls, 0)
self.assertLessEqual(get_calls, max_calls)
def test_create_with_empty_filename_raises(self):
with self.assertRaises(ValueError):
_shape = bitmap.Shape(filename='')
def test_create_with_no_filename_or_data_raises_ValueError(self):
with self.assertRaises(ValueError):
_shape = bitmap.Shape()
def test_create_calls_Image_rotate_rotation_minus_one_times(self):
rotations = 4
_shape = bitmap.Shape(filename='filename', rotations=rotations)
self.assertEqual(self.pil_image.rotate.call_count, rotations - 1)
def test_create_with_data_creates_one_PIL_Image(self):
_shape = bitmap.Shape(data=b'some-data', pre_rotate=False)
image_init_calls = self.pil_image.init_calls
self.assertEqual(len(image_init_calls), 1)
def test_create_with_filename_creates_one_PIL_Image(self):
_shape = bitmap.Shape(filename='the-filename', pre_rotate=False)
image_init_calls = self.pil_image.init_calls
self.assertEqual(len(image_init_calls), 1)
def test_create_with_empty_data_raises(self):
with self.assertRaises(ValueError):
_shape = bitmap.Shape(data=b'')
def test_create_with_filename_creates_one_tkinter_PhotoImage(self):
_shape = bitmap.Shape(filename='the-filename', pre_rotate=False)
photoimage_init_calls = self.tkinter.photoimage_init_calls
self.assertEqual(len(photoimage_init_calls), 1)
def test_create_with_data_creates_one_tkinter_PhotoImage(self):
_shape = bitmap.Shape(data=b'some-data', pre_rotate=False)
photoimage_init_calls = self.tkinter.photoimage_init_calls
self.assertEqual(len(photoimage_init_calls), 1)
