def test_array_to_image_bad_channels(self):
array = np.empty((64, 32, 2), dtype='uint8')
array[:, :, 0] = 0x44
array[:, :, 1] = 0x88
with self.assertRaises(ValueError):
array_to_image(array)
def test_array_to_image_rgb(self):
array = np.empty((64, 32, 3), dtype='uint8')
array[:, :, 0] = 0x44
array[:, :, 1] = 0x88
array[:, :, 2] = 0xcc
wximage = array_to_image(array)
self.assertEqual(wximage.GetWidth(), 32)
self.assertEqual(wximage.GetHeight(), 64)
self.assertFalse(wximage.HasAlpha())
def test_array_to_image_rgb(self):
array = np.empty((64, 32, 3), dtype='uint8')
array[:, :, 0] = 0x44
array[:, :, 1] = 0x88
array[:, :, 2] = 0xcc
qimage = array_to_image(array)
self.assertEqual(qimage.width(), 32)
self.assertEqual(qimage.height(), 64)
self.assertEqual(qimage.format(), QImage.Format.Format_RGB32)
self.assertTrue(all(
qimage.pixel(i, j) == 0xff4488cc
for i in range(32) for j in range(64)
))
def test_column_header_attribute_updated_empty(self):
self.model.data = np.empty((2, 4, 0), dtype='int')
with self.assertTraitDoesNotChange(self.model, "values_changed"):
self.model.column_header_type.format = str
def test_row_header_type_updated_empty(self):
self.model.data = np.empty((0, 4, 2), dtype='int')
with self.assertTraitDoesNotChange(self.model, "values_changed"):
self.model.row_header_type = no_value
def test_type_attribute_updated_empty(self):
self.model.data = np.empty((0, 0, 0), dtype='int')
with self.assertTraitDoesNotChange(self.model, "values_changed"):
self.model.value_type.is_editable = False
def test_type_updated_empty(self):
self.model.data = np.empty((0, 0, 0), dtype='int')
with self.assertTraitDoesNotChange(self.model, "values_changed"):
self.model.value_type = IntValue()
