def test_exceptions(self):
info = self._get_info_long_y()
rp = RegionParameter('pct:25,25,75,75', info)
with self.assertRaises(SyntaxException):
SizeParameter('!25,', rp)
with self.assertRaises(SyntaxException):
SizeParameter('!25', rp)
with self.assertRaises(SyntaxException):
SizeParameter('25', rp)
def test_zero_width_or_height_is_rejected(self):
info = build_image_info()
rp = RegionParameter('full', info)
with pytest.raises(RequestException):
SizeParameter('0,', rp)
with pytest.raises(RequestException):
SizeParameter(',0', rp)
with pytest.raises(RequestException):
SizeParameter('0,0', rp)
def test_exceptions(self):
info = self._get_info_long_y()
rp = RegionParameter('pct:25,25,75,75', info)
try:
with self.assertRaises(SyntaxException):
SizeParameter('!25,', rp)
with self.assertRaises(SyntaxException):
SizeParameter('!25', rp)
with self.assertRaises(SyntaxException):
SizeParameter('25', rp)
except TypeError: # python < 2.7
self.assertRaises(SyntaxException, SizeParameter, '!25,', rp)
self.assertRaises(SyntaxException, SizeParameter, '!25', rp)
self.assertRaises(SyntaxException, SizeParameter, '25', rp)
def test_populate_slots_from_full(self):
# full
info = self._get_info_long_y()
rp = RegionParameter('full', info)
sp = SizeParameter('full', rp)
self.assertEquals(sp.force_aspect, False)
self.assertEquals(sp.mode, FULL_MODE)
self.assertEquals(sp.canonical_uri_value, FULL_MODE)
rp = RegionParameter('256,256,256,256', info)
sp = SizeParameter('full', rp)
self.assertEquals(sp.force_aspect, False)
self.assertEquals(sp.mode, FULL_MODE)
self.assertEquals(sp.canonical_uri_value, FULL_MODE)
def test_populate_slots_from_wh(self):
# w,h
info = self._get_info_long_y()
rp = RegionParameter('full', info)
sp = SizeParameter('48,48', rp)
self.assertEquals(sp.force_aspect, True)
self.assertEquals(sp.mode, PIXEL_MODE)
self.assertEquals(sp.canonical_uri_value, '48,48')
rp = RegionParameter('15,16,23,42', info)
sp = SizeParameter('60,60', rp) # upsample!
self.assertEquals(sp.force_aspect, True)
self.assertEquals(sp.mode, PIXEL_MODE)
self.assertEquals(sp.canonical_uri_value, '60,60')
def test_populate_slots_from_w_only(self):
# w,
info = self._get_info_long_y()
rp = RegionParameter('full', info)
sp = SizeParameter('180,', rp)
self.assertEquals(sp.force_aspect, False)
self.assertEquals(sp.mode, PIXEL_MODE)
self.assertEquals(sp.canonical_uri_value, '180,')
rp = RegionParameter('200,300,500,600', info)
sp = SizeParameter('125,', rp)
self.assertEquals(sp.force_aspect, False)
self.assertEquals(sp.mode, PIXEL_MODE)
self.assertEquals(sp.canonical_uri_value, '125,')
def test_populate_slots_from_h_only(self):
# ,h
info = self._get_info_long_y()
rp = RegionParameter('full', info)
sp = SizeParameter(',90', rp)
self.assertEquals(sp.force_aspect, False)
self.assertEquals(sp.mode, PIXEL_MODE)
self.assertEquals(sp.canonical_uri_value, '73,')
rp = RegionParameter('50,290,360,910', info)
sp = SizeParameter(',275', rp)
self.assertEquals(sp.force_aspect, False)
self.assertEquals(sp.mode, PIXEL_MODE)
self.assertEquals(sp.canonical_uri_value, '108,')
def test_parsing_parameter_either_passes_or_is_exception(self, uri_value):
info = build_image_info()
rp = RegionParameter('full', info)
try:
SizeParameter(uri_value, rp)
except (RequestException, SyntaxException):
pass
def test_tiny_image(self):
info = self._get_info_long_x()
rp = RegionParameter('full', info)
sp = SizeParameter('1,', rp)
self.assertEquals(sp.force_aspect, False)
self.assertEquals(sp.mode, PIXEL_MODE)
self.assertEquals(sp.canonical_uri_value, '1,')
self.assertEquals(sp.w, 1)
self.assertEquals(sp.h, 1)
def test_populate_slots_from_pct(self):
# pct:n
info = self._get_info_long_y()
rp = RegionParameter('full', info)
sp = SizeParameter('pct:25', rp)
self.assertEquals(sp.force_aspect, False)
self.assertEquals(sp.mode, PCT_MODE)
self.assertEquals(sp.canonical_uri_value, '1476,')
rp = RegionParameter('256,256,256,256', info)
sp = SizeParameter('pct:25', rp)
self.assertEquals(sp.force_aspect, False)
self.assertEquals(sp.mode, PCT_MODE)
self.assertEquals(sp.canonical_uri_value, '64,')
rp = RegionParameter('pct:0,0,50,50', info)
sp = SizeParameter('pct:25', rp)
self.assertEquals(sp.force_aspect, False)
self.assertEquals(sp.mode, PCT_MODE)
self.assertEquals(sp.canonical_uri_value, '738,')
def test_str_representation(self):
info = build_image_info()
rp = RegionParameter('full', info)
for uri_value in [
'full',
'pct:50',
'50,',
',50',
'!50,50',
]:
sp = SizeParameter(uri_value, rp)
self.assertEquals(str(sp), uri_value)
def test_populate_slots_from_bang_wh(self):
# !w,h
info = self._get_info_long_y()
rp = RegionParameter('full', info)
sp = SizeParameter('!120,140', rp)
self.assertEquals(sp.force_aspect, False)
self.assertEquals(sp.mode, PIXEL_MODE)
self.assertEquals(sp.canonical_uri_value, '114,')
rp = RegionParameter('0,0,125,160', info)
sp = SizeParameter(
'!120,140',
rp,
)
self.assertEquals(sp.force_aspect, False)
self.assertEquals(sp.mode, PIXEL_MODE)
self.assertEquals(sp.canonical_uri_value, '109,')
rp = RegionParameter('0,0,125,160', info)
sp = SizeParameter('!130,140', rp)
self.assertEquals(sp.force_aspect, False)
self.assertEquals(sp.mode, PIXEL_MODE)
self.assertEquals(sp.canonical_uri_value, '109,')
rp = RegionParameter('50,80,140,160', info)
sp = SizeParameter('!130,180', rp)
self.assertEquals(sp.force_aspect, False)
self.assertEquals(sp.mode, PIXEL_MODE)
self.assertEquals(sp.canonical_uri_value, '130,')
rp = RegionParameter('50,80,140,160', info)
sp = SizeParameter('!145,165', rp)
self.assertEquals(sp.force_aspect, False)
self.assertEquals(sp.mode, PIXEL_MODE)
self.assertEquals(sp.canonical_uri_value, '144,')
rp = RegionParameter('50,80,140,180', info)
sp = SizeParameter('!145,185', rp)
self.assertEquals(sp.force_aspect, False)
self.assertEquals(sp.mode, PIXEL_MODE)
self.assertEquals(sp.canonical_uri_value, '143,')
def size_param(self, image_info):
return SizeParameter(
uri_value=self.size_value,
region_parameter=self.region_param(image_info)
)
def size_param(self):
if self._size_param is None:
self._size_param = SizeParameter(self.size_value, self.region_param)
return self._size_param
def test_very_small_percentage_height_is_positive(self):
info = build_image_info(width=100, height=1)
rp = RegionParameter('full', info)
sp = SizeParameter('pct:50', rp)
self.assertEquals(sp.h, 1)
def test_decimal_percentage_is_allowed(self):
info = build_image_info(width=400, height=200)
rp = RegionParameter('full', info)
sp = SizeParameter('pct:6.25', rp)
self.assertEquals(sp.w, 25)
def test_very_small_pixel_width_is_positive(self):
info = build_image_info(width=1, height=100)
rp = RegionParameter('full', info)
sp = SizeParameter(',50', rp)
self.assertEquals(sp.w, 1)
def test_zero_or_negative_percentage_is_rejected(self):
info = build_image_info(100, 100)
rp = RegionParameter('full', info)
with self.assertRaises(RequestException):
SizeParameter('pct:0', rp)
