def assert_image_similar(a, b, epsilon, msg=None):
assert a.mode == b.mode, msg or "got mode {!r}, expected {!r}".format(
a.mode, b.mode)
assert a.size == b.size, msg or "got size {!r}, expected {!r}".format(
a.size, b.size)
a, b = convert_to_comparable(a, b)
diff = 0
for ach, bch in zip(a.split(), b.split()):
chdiff = ImageMath.eval("abs(a - b)", a=ach, b=bch).convert("L")
diff += sum(i * num for i, num in enumerate(chdiff.histogram()))
ave_diff = diff / (a.size[0] * a.size[1])
try:
assert epsilon >= ave_diff, (
msg
or "") + " average pixel value difference %.4f > epsilon %.4f" % (
ave_diff, epsilon)
except Exception as e:
if HAS_UPLOADER:
try:
url = test_image_results.upload(a, b)
logger.error("Url for test images: %s" % url)
except Exception:
pass
raise e
def assert_image_similar(self, a, b, epsilon, msg=None):
epsilon = float(epsilon)
self.assertEqual(a.mode, b.mode, msg
or "got mode %r, expected %r" % (a.mode, b.mode))
self.assertEqual(a.size, b.size, msg
or "got size %r, expected %r" % (a.size, b.size))
a, b = convert_to_comparable(a, b)
diff = 0
for ach, bch in zip(a.split(), b.split()):
chdiff = ImageMath.eval("abs(a - b)", a=ach, b=bch).convert('L')
diff += sum(i * num for i, num in enumerate(chdiff.histogram()))
ave_diff = float(diff) / (a.size[0] * a.size[1])
try:
self.assertGreaterEqual(
epsilon, ave_diff, (msg or '') +
" average pixel value difference %.4f > epsilon %.4f" %
(ave_diff, epsilon))
except Exception as e:
if HAS_UPLOADER:
try:
url = test_image_results.upload(a, b)
logger.error("Url for test images: %s" % url)
except:
pass
raise e
def assert_image_similar(self, a, b, epsilon, msg=None):
epsilon = float(epsilon)
self.assertEqual(
a.mode, b.mode,
msg or "got mode %r, expected %r" % (a.mode, b.mode))
self.assertEqual(
a.size, b.size,
msg or "got size %r, expected %r" % (a.size, b.size))
a, b = convert_to_comparable(a, b)
diff = 0
for ach, bch in zip(a.split(), b.split()):
chdiff = ImageMath.eval("abs(a - b)", a=ach, b=bch).convert('L')
diff += sum(i * num for i, num in enumerate(chdiff.histogram()))
ave_diff = float(diff)/(a.size[0]*a.size[1])
try:
self.assertGreaterEqual(
epsilon, ave_diff,
(msg or '') +
" average pixel value difference %.4f > epsilon %.4f" % (
ave_diff, epsilon))
except Exception as e:
if HAS_UPLOADER:
try:
url = test_image_results.upload(a, b)
logger.error("Url for test images: %s" % url)
except:
pass
raise e
def assert_image_equal(a, b, msg=None):
assert a.mode == b.mode, msg or f"got mode {repr(a.mode)}, expected {repr(b.mode)}"
assert a.size == b.size, msg or f"got size {repr(a.size)}, expected {repr(b.size)}"
if a.tobytes() != b.tobytes():
if HAS_UPLOADER:
try:
url = test_image_results.upload(a, b)
logger.error(f"Url for test images: {url}")
except Exception:
pass
assert False, msg or "got different content"
def assert_image_equal(a, b, msg=None):
assert a.mode == b.mode, msg or "got mode {!r}, expected {!r}".format(
a.mode, b.mode)
assert a.size == b.size, msg or "got size {!r}, expected {!r}".format(
a.size, b.size)
if a.tobytes() != b.tobytes():
if HAS_UPLOADER:
try:
url = test_image_results.upload(a, b)
logger.error("Url for test images: %s" % url)
except Exception:
pass
assert False, msg or "got different content"
def assert_image_equal(self, a, b, msg=None):
self.assertEqual(a.mode, b.mode, msg
or "got mode %r, expected %r" % (a.mode, b.mode))
self.assertEqual(a.size, b.size, msg
or "got size %r, expected %r" % (a.size, b.size))
if a.tobytes() != b.tobytes():
if HAS_UPLOADER:
try:
url = test_image_results.upload(a, b)
logger.error("Url for test images: %s" % url)
except Exception as msg:
pass
self.fail(msg or "got different content")
def assert_image_equal(self, a, b, msg=None):
self.assertEqual(
a.mode, b.mode,
msg or "got mode %r, expected %r" % (a.mode, b.mode))
self.assertEqual(
a.size, b.size,
msg or "got size %r, expected %r" % (a.size, b.size))
if a.tobytes() != b.tobytes():
if HAS_UPLOADER:
try:
url = test_image_results.upload(a, b)
logger.error("Url for test images: %s" % url)
except Exception as msg:
pass
self.fail(msg or "got different content")
