def test_get_resolution_no_client_width(self):
# mobiles get the smallest resolution, others the biggest
self.assertEqual(
get_resolution(None, 1, [480, 768, 922], True), 480)
self.assertEqual(
get_resolution(None, 1, [480, 768, 922], False), 922)
return
def test_get_resolution_pixel_density_eq_1(self):
# get the next biggest value from resolution list
self.assertEqual(
get_resolution(480, 1, [480, 768, 922]), 480)
self.assertEqual(
get_resolution(512, 1, [480, 768, 922]), 768)
self.assertEqual(
get_resolution(800, 1, [480, 768, 922]), 922)
self.assertEqual(
get_resolution(1000, 1, [480, 768, 922]), 1000)
return
def test_get_resolution_pixel_density_ne_1(self):
# with a pixel density > 1 we need larger images
self.assertEqual( # 2 x 480
get_resolution(480, 2, [480, 768, 922]), 960)
self.assertEqual( # 2 x 768
get_resolution(512, 2, [480, 768, 922]), 1536)
self.assertEqual( # 2 x 922
get_resolution(800, 2, [480, 768, 922]), 1844)
self.assertEqual( # 2 x 922
get_resolution(1000, 2, [480, 768, 922]), 2000)
self.assertEqual( # > 2 x 922
get_resolution(2000, 2, [480, 768, 922]), 4000)
return
def get_resolution(self, request):
"""Determine a desired resolution from client screen
resolution and avaiilable resolutions.
"""
client_resolution = self.get_client_resolution(request)
is_mobile = self.is_mobile(request)
return get_resolution(
client_resolution, 1, self.resolutions, is_mobile)
