def test_wrong_init_parameters(self):
with self.assertRaises(TypeError):
CropFilter()
with self.assertRaises(TypeError):
CropFilter(start='string')
with self.assertRaises(TypeError):
CropFilter(size='string')
with self.assertRaises(ValueError):
CropFilter(start='string', size='string')
with self.assertRaises(ValueError):
CropFilter(start='string', size=[100, 100])
with self.assertRaises(ValueError):
CropFilter(start=[0, 0], size='string')
with self.assertRaises(ValueError):
CropFilter(start=[1], size=[100, 100])
with self.assertRaises(ValueError):
CropFilter(start=[0, 0], size=[100])
with self.assertRaises(ValueError):
CropFilter(start=[1, 2, 3], size=[100, 100])
with self.assertRaises(ValueError):
CropFilter(start=[0, 0], size=[100, 100, 100])
def test_success_horizontal_with_start_from_point(self):
crop = CropFilter(start=[100, 100], size=[800, 600])
image_png = copy(self.image_png)
image_png = crop.apply(image_png)
self.assertTupleEqual((800, 400), image_png.size)
image_jpg = copy(self.image_jpg)
image_jpg = crop.apply(image_jpg)
self.assertTupleEqual((800, 400), image_jpg.size)
image_tif = copy(self.image_tif)
image_tif = crop.apply(image_tif)
self.assertTupleEqual((800, 400), image_tif.size)
image_bmp = copy(self.image_bmp)
image_bmp = crop.apply(image_bmp)
self.assertTupleEqual((800, 400), image_bmp.size)
def test_error_with_out_of_range(self):
crop = CropFilter(start=[1000, 1000], size=[1500, 1000])
image_png = copy(self.image_png)
image_png = crop.apply(image_png)
self.assertTupleEqual((1000, 500), image_png.size)
image_jpg = copy(self.image_jpg)
image_jpg = crop.apply(image_jpg)
self.assertTupleEqual((1000, 500), image_jpg.size)
image_tif = copy(self.image_tif)
image_tif = crop.apply(image_tif)
self.assertTupleEqual((1000, 500), image_tif.size)
image_bmp = copy(self.image_bmp)
image_bmp = crop.apply(image_bmp)
self.assertTupleEqual((1000, 500), image_bmp.size)
def test_success_with_oversize(self):
crop = CropFilter(start=[0, 0], size=[1500, 1000])
image_png = copy(self.image_png)
image_png = crop.apply(image_png)
self.assertTupleEqual((1000, 500), image_png.size)
image_jpg = copy(self.image_jpg)
image_jpg = crop.apply(image_jpg)
self.assertTupleEqual((1000, 500), image_jpg.size)
image_tif = copy(self.image_tif)
image_tif = crop.apply(image_tif)
self.assertTupleEqual((1000, 500), image_tif.size)
image_bmp = copy(self.image_bmp)
image_bmp = crop.apply(image_bmp)
self.assertTupleEqual((1000, 500), image_bmp.size)
def test_success_horizontal_with_start_from_point(self):
crop = CropFilter(start=[100, 100], size=[800, 600])
image_png = copy(self.image_png)
image_png = crop.apply(image_png)
self.assertTupleEqual((800, 400), image_png.size)
image_jpg = copy(self.image_jpg)
image_jpg = crop.apply(image_jpg)
self.assertTupleEqual((800, 400), image_jpg.size)
image_tif = copy(self.image_tif)
image_tif = crop.apply(image_tif)
self.assertTupleEqual((800, 400), image_tif.size)
image_bmp = copy(self.image_bmp)
image_bmp = crop.apply(image_bmp)
self.assertTupleEqual((800, 400), image_bmp.size)
def test_error_with_out_of_range(self):
crop = CropFilter(start=[1000, 1000], size=[1500, 1000])
image_png = copy(self.image_png)
image_png = crop.apply(image_png)
self.assertTupleEqual((1000, 500), image_png.size)
image_jpg = copy(self.image_jpg)
image_jpg = crop.apply(image_jpg)
self.assertTupleEqual((1000, 500), image_jpg.size)
image_tif = copy(self.image_tif)
image_tif = crop.apply(image_tif)
self.assertTupleEqual((1000, 500), image_tif.size)
image_bmp = copy(self.image_bmp)
image_bmp = crop.apply(image_bmp)
self.assertTupleEqual((1000, 500), image_bmp.size)
def test_success_with_oversize(self):
crop = CropFilter(start=[0, 0], size=[1500, 1000])
image_png = copy(self.image_png)
image_png = crop.apply(image_png)
self.assertTupleEqual((1000, 500), image_png.size)
image_jpg = copy(self.image_jpg)
image_jpg = crop.apply(image_jpg)
self.assertTupleEqual((1000, 500), image_jpg.size)
image_tif = copy(self.image_tif)
image_tif = crop.apply(image_tif)
self.assertTupleEqual((1000, 500), image_tif.size)
image_bmp = copy(self.image_bmp)
image_bmp = crop.apply(image_bmp)
self.assertTupleEqual((1000, 500), image_bmp.size)
def test_wrong_resource_type(self):
crop = CropFilter(start=[0, 0], size=[800, 600])
with self.assertRaises(ValueError):
crop.apply("string")
def test_wrong_resource_type(self):
crop = CropFilter(start=[0, 0], size=[800, 600])
with self.assertRaises(ValueError):
crop.apply('string')