def test_request_exceptions(self):
info = self._get_info_long_y()
with self.assertRaises(RequestException):
RegionParameter('1,2,0,3', info)
with self.assertRaises(RequestException):
RegionParameter('1,2,3,0', info)
with self.assertRaises(RequestException):
RegionParameter('pct:100,2,3,0', info)
def test_syntax_exceptions(self):
info = self._get_info_long_y()
with self.assertRaises(SyntaxException):
RegionParameter('n:1,2,3,4', info)
with self.assertRaises(SyntaxException):
RegionParameter('1,2,3,q', info)
with self.assertRaises(SyntaxException):
RegionParameter('1,2,3', info)
with self.assertRaises(SyntaxException):
RegionParameter('something', info)
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_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_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_request_exceptions(self):
info = self._get_info_long_y()
try:
with self.assertRaises(RequestException):
RegionParameter('1,2,0,3', info)
with self.assertRaises(RequestException):
RegionParameter('1,2,3,0', info)
with self.assertRaises(RequestException):
RegionParameter('pct:100,2,3,0', info)
except TypeError: # python < 2.7
self.assertRaises(RequestException, RegionParameter, '1,2,0,3',
info)
self.assertRaises(RequestException, RegionParameter, '1,2,3,0',
info)
self.assertRaises(RequestException, RegionParameter,
'pct:100,2,3,0', info)
def test_canonical_uri_value_oob_y_pct(self):
info = self._get_info_long_x() # x is long dimension
y = 28.3
h = 72.2
rp = RegionParameter('pct:13,%f,17,%f' % (y, h), info)
expected_canonical = '468,845,612,2142'
self.assertEquals(rp.canonical_uri_value, expected_canonical)
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_str(self):
info = self._get_info_long_y()
rp1 = RegionParameter('full', info)
self.assertEquals(str(rp1), 'full')
rp2 = RegionParameter('125,15,120,140', info)
self.assertEquals(str(rp2), '125,15,120,140')
rp3 = RegionParameter('pct:41.6,7.5,40,70', info)
self.assertEquals(str(rp3), 'pct:41.6,7.5,40,70')
rp4 = RegionParameter('125,15,200,200', info)
self.assertEquals(str(rp4), '125,15,200,200')
rp5 = RegionParameter('pct:41.6,7.5,66.6,100', info)
self.assertEquals(str(rp5), 'pct:41.6,7.5,66.6,100')
def test_square_mode_long_x(self):
# 3600 x 2987
info = self._get_info_long_x()
rp = RegionParameter('square', info)
self.assertEquals(rp.pixel_x, 306)
self.assertEquals(rp.pixel_y, 0)
self.assertEquals(rp.pixel_w, 2987)
self.assertEquals(rp.pixel_h, 2987)
def test_canonical_uri_value_oob_y_pixel(self):
info = self._get_info_long_y() # y is long dimension
y = 300
offset = 1 # request would be this many pixels OOB
oob_h = info.height - y + offset
rp = RegionParameter('29,%d,31,%d' % (y, oob_h), info)
expected_canonical = '29,%d,31,%d' % (y, info.height - y)
self.assertEquals(rp.canonical_uri_value, expected_canonical)
def test_canonical_uri_value_oob_w_pct(self):
info = self._get_info_long_y() # y is long dimension
x = 20
w = 81
rp = RegionParameter('pct:%d,13,%d,27' % (x, w), info)
self.assertEquals(rp.decimal_w, Decimal('0.8'))
expected_canonical = '1181,936,4725,1944'
self.assertEquals(rp.canonical_uri_value, expected_canonical)
def test_square_mode_long_y(self):
# 5906 x 7200
info = self._get_info_long_y()
rp = RegionParameter('square', info)
self.assertEquals(rp.pixel_x, 0)
self.assertEquals(rp.pixel_y, 647)
self.assertEquals(rp.pixel_w, 5906)
self.assertEquals(rp.pixel_h, 5906)
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)
with self.assertRaises(SyntaxException):
SizeParameter('!25,', rp)
with self.assertRaises(SyntaxException):
SizeParameter('!25', rp)
with self.assertRaises(SyntaxException):
SizeParameter('25', rp)
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_syntax_exceptions(self):
info = self._get_info_long_y()
try:
with self.assertRaises(SyntaxException):
RegionParameter('n:1,2,3,4', info)
with self.assertRaises(SyntaxException):
RegionParameter('1,2,3,q', info)
with self.assertRaises(SyntaxException):
RegionParameter('1,2,3', info)
with self.assertRaises(SyntaxException):
RegionParameter('something', info)
except TypeError: # python < 2.7
self.assertRaises(SyntaxException, RegionParameter, 'something',
info)
self.assertRaises(SyntaxException, RegionParameter, '1,2,3,q',
info)
self.assertRaises(SyntaxException, RegionParameter, '1,2,3', info)
self.assertRaises(SyntaxException, RegionParameter, 'something',
info)
def test_canonical_uri_value_oob_w_pixel(self):
info = self._get_info_long_x() # x is long dimension
x = 200
offset = 1
oob_w = info.width - x + offset
rp = RegionParameter('%d,13,%d,17' % (x, oob_w), info)
expected_canonical = '%d,13,%d,17' % (x, info.width - x)
# Note that the below will need to be changed if decimal precision is
# changed (currently 25 places)
self.assertEquals(rp.decimal_w, Decimal('0.9444444444444444444444444'))
self.assertEquals(rp.canonical_uri_value, expected_canonical)
def test_populate_slots_from_pct(self):
info = self._get_info_long_y()
rp = RegionParameter('pct:25,25,50,50', info)
self.assertEquals(rp.pixel_x, int(info.width * 0.25))
self.assertEquals(rp.pixel_y, int(info.height * 0.25))
self.assertEquals(rp.pixel_w, int(info.width * 0.50))
self.assertEquals(rp.pixel_h, int(info.height * 0.50))
self.assertEquals(rp.decimal_x, Decimal('0.25'))
self.assertEquals(rp.decimal_y, Decimal('0.25'))
self.assertEquals(rp.decimal_w, Decimal('0.50'))
self.assertEquals(rp.decimal_h, Decimal('0.50'))
def test_populate_slots_from_pixel(self):
info = self._get_info_long_x()
rp = RegionParameter('797,900,1594,1600', info)
self.assertEquals(rp.pixel_x, 797)
self.assertEquals(rp.pixel_y, 900)
self.assertEquals(rp.pixel_w, 1594)
self.assertEquals(rp.pixel_h, 1600)
self.assertEquals(rp.decimal_x, rp.pixel_x / Decimal(str(info.width)))
self.assertEquals(rp.decimal_y, rp.pixel_y / Decimal(str(info.height)))
self.assertEquals(rp.decimal_w, rp.pixel_w / Decimal(str(info.width)))
self.assertEquals(rp.decimal_h, rp.pixel_h / Decimal(str(info.height)))
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_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_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_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 region_param(self, image_info):
return RegionParameter(
uri_value=self.region_value,
image_info=image_info
)
def test_anything_except_four_coordinates_is_error(self):
info = build_image_info()
with self.assertRaises(SyntaxException):
RegionParameter('pct:100', info)
def test_recognise_full_mode_if_correct_dimensions(self):
info = build_image_info(1500, 800)
rp = RegionParameter('0,0,1500,800', info)
self.assertEquals(rp.mode, FULL_MODE)
def test_negative_y_percentage_is_rejected(self):
info = build_image_info()
with self.assertRaises(RequestException):
rp = RegionParameter('pct:100,-5,100,100', info)
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)