def test_wrong_init_parameters(self):
with self.assertRaises(ValueError):
DownscaleFilter(**{})
with self.assertRaises(ValueError):
DownscaleFilter(**{'max': 'string'})
with self.assertRaises(ValueError):
DownscaleFilter(**{'max': []})
with self.assertRaises(ValueError):
DownscaleFilter(**{'max': [1]})
with self.assertRaises(ValueError):
DownscaleFilter(**{'max': [1, 2, 3]})
def test_big_image(self):
downscale = DownscaleFilter(**{'max': [800, 600]})
image_png = copy(self.image_png)
image_png = downscale.apply(image_png)
self.assertTupleEqual((800, 400), image_png.size)
image_jpg = copy(self.image_jpg)
image_jpg = downscale.apply(image_jpg)
self.assertTupleEqual((800, 400), image_jpg.size)
image_tif = copy(self.image_tif)
image_tif = downscale.apply(image_tif)
self.assertTupleEqual((800, 400), image_tif.size)
image_bmp = copy(self.image_bmp)
image_bmp = downscale.apply(image_bmp)
self.assertTupleEqual((800, 400), image_bmp.size)
image_vertical = copy(self.image_vertical)
image_vertical = downscale.apply(image_vertical)
self.assertTupleEqual((300, 600), image_vertical.size)
def test_small_image(self):
downscale = DownscaleFilter(**{'max': [1920, 1080]})
image_png = copy(self.image_png)
image_png = downscale.apply(image_png)
self.assertTupleEqual((1000, 500), image_png.size)
image_jpg = copy(self.image_jpg)
image_jpg = downscale.apply(image_jpg)
self.assertTupleEqual((1000, 500), image_jpg.size)
image_tif = copy(self.image_tif)
image_tif = downscale.apply(image_tif)
self.assertTupleEqual((1000, 500), image_tif.size)
image_bmp = copy(self.image_bmp)
image_bmp = downscale.apply(image_bmp)
self.assertTupleEqual((1000, 500), image_bmp.size)
image_vertical = copy(self.image_vertical)
image_vertical = downscale.apply(image_vertical)
self.assertTupleEqual((500, 1000), image_vertical.size)
def test_big_image(self):
downscale = DownscaleFilter(**{"max": [800, 600]})
image_png = copy(self.image_png)
image_png = downscale.apply(image_png)
self.assertTupleEqual((800, 400), image_png.size)
image_jpg = copy(self.image_jpg)
image_jpg = downscale.apply(image_jpg)
self.assertTupleEqual((800, 400), image_jpg.size)
image_tif = copy(self.image_tif)
image_tif = downscale.apply(image_tif)
self.assertTupleEqual((800, 400), image_tif.size)
image_bmp = copy(self.image_bmp)
image_bmp = downscale.apply(image_bmp)
self.assertTupleEqual((800, 400), image_bmp.size)
image_vertical = copy(self.image_vertical)
image_vertical = downscale.apply(image_vertical)
self.assertTupleEqual((300, 600), image_vertical.size)
def test_small_image(self):
downscale = DownscaleFilter(**{"max": [1920, 1080]})
image_png = copy(self.image_png)
image_png = downscale.apply(image_png)
self.assertTupleEqual((1000, 500), image_png.size)
image_jpg = copy(self.image_jpg)
image_jpg = downscale.apply(image_jpg)
self.assertTupleEqual((1000, 500), image_jpg.size)
image_tif = copy(self.image_tif)
image_tif = downscale.apply(image_tif)
self.assertTupleEqual((1000, 500), image_tif.size)
image_bmp = copy(self.image_bmp)
image_bmp = downscale.apply(image_bmp)
self.assertTupleEqual((1000, 500), image_bmp.size)
image_vertical = copy(self.image_vertical)
image_vertical = downscale.apply(image_vertical)
self.assertTupleEqual((500, 1000), image_vertical.size)
def test_wrong_resource_type(self):
downscale = DownscaleFilter(**{"max": [800, 600]})
with self.assertRaises(ValueError):
downscale.apply("string")
def test_wrong_resource_type(self):
downscale = DownscaleFilter(**{'max': [800, 600]})
with self.assertRaises(ValueError):
downscale.apply('string')
