def setUp(self):
self.jpxfile = glymur.data.jpxfile()
self.jp2file = glymur.data.nemo()
self.j2kfile = glymur.data.goodstuff()
# Reset printoptions for every test.
glymur.set_printoptions(short=False, xml=True, codestream=True)
def test_unknown_superbox(self):
"""Verify that we can handle an unknown superbox."""
with tempfile.NamedTemporaryFile(suffix='.jpx') as tfile:
with open(self.jpxfile, 'rb') as ifile:
tfile.write(ifile.read())
# Add the header for an unknown superbox.
write_buffer = struct.pack('>I4s', 20, 'grp '.encode())
tfile.write(write_buffer)
# Add a free box inside of it. We won't be able to identify it,
# but it's there.
write_buffer = struct.pack('>I4sI', 12, 'free'.encode(), 0)
tfile.write(write_buffer)
tfile.flush()
with self.assertWarns(UserWarning):
jpx = Jp2k(tfile.name)
glymur.set_printoptions(short=True)
with patch('sys.stdout', new=StringIO()) as fake_out:
print(jpx.box[-1])
actual = fake_out.getvalue().strip()
if sys.hexversion < 0x03000000:
expected = "Unknown Box (grp ) @ (1399071, 20)"
else:
expected = "Unknown Box (b'grp ') @ (1399071, 20)"
self.assertEqual(actual, expected)
def test_bad_deprecated_print_option(self):
"""
Verify exception when a bad option is given to old set_printoption
"""
with self.assertRaises(KeyError):
with warnings.catch_warnings():
warnings.simplefilter('ignore')
glymur.set_printoptions(blah='value-blah')
def test_suppress_codestream_old_option(self):
"""
Verify printing with codestream suppressed, deprecated
"""
jp2 = Jp2k(self.jp2file)
with warnings.catch_warnings():
warnings.simplefilter('ignore')
glymur.set_printoptions(codestream=False)
with patch('sys.stdout', new=StringIO()) as fake_out:
print(jp2)
actual = fake_out.getvalue().strip()
# Get rid of the file line, that's kind of volatile.
actual = '\n'.join(actual.splitlines()[1:])
expected = fixtures.nemo_dump_no_codestream
self.assertEqual(actual, expected)
with warnings.catch_warnings():
warnings.simplefilter('ignore')
opt = glymur.get_printoptions()['codestream']
self.assertFalse(opt)
def test_old_short_option(self):
"""
Verify printing with deprecated set_printoptions "short"
"""
jp2 = Jp2k(self.jp2file)
with warnings.catch_warnings():
warnings.simplefilter('ignore')
glymur.set_printoptions(short=True)
with patch('sys.stdout', new=StringIO()) as fake_out:
print(jp2)
actual = fake_out.getvalue().strip()
# Get rid of the file line, that's kind of volatile.
actual = '\n'.join(actual.splitlines()[1:])
expected = fixtures.nemo_dump_short
self.assertEqual(actual, expected)
with warnings.catch_warnings():
warnings.simplefilter('ignore')
opt = glymur.get_printoptions()['short']
self.assertTrue(opt)
def test_old_short_option(self):
"""
Verify printing with deprecated set_printoptions "short"
"""
jp2 = Jp2k(self.jp2file)
with warnings.catch_warnings():
warnings.simplefilter('ignore')
glymur.set_printoptions(short=True)
actual = str(jp2)
# Get rid of leading "File" line, as that is volatile.
actual = '\n'.join(actual.splitlines()[1:])
expected = fixtures.nemo_dump_short
self.assertEqual(actual, expected)
with warnings.catch_warnings():
warnings.simplefilter('ignore')
opt = glymur.get_printoptions()['short']
self.assertTrue(opt)
def test_suppress_xml_old_option(self):
"""
Verify printing with xml suppressed, deprecated method
"""
jp2 = Jp2k(self.jp2file)
with warnings.catch_warnings():
warnings.simplefilter('ignore')
glymur.set_printoptions(xml=False)
with patch('sys.stdout', new=StringIO()) as fake_out:
print(jp2)
actual = fake_out.getvalue().strip()
# Get rid of the file line, that's kind of volatile.
actual = '\n'.join(actual.splitlines()[1:])
# shave off the XML and non-main-header segments
expected = fixtures.nemo_dump_no_xml
self.assertEqual(actual, expected)
with warnings.catch_warnings():
warnings.simplefilter('ignore')
opt = glymur.get_printoptions()['xml']
self.assertFalse(opt)
def test_suppress_xml_old_option(self):
"""
Verify printing with xml suppressed, deprecated method
"""
jp2 = Jp2k(self.jp2file)
with warnings.catch_warnings():
warnings.simplefilter('ignore')
glymur.set_printoptions(xml=False)
actual = str(jp2)
# Get rid of leading "File" line, as that is volatile.
actual = '\n'.join(actual.splitlines()[1:])
# shave off the XML and non-main-header segments
expected = fixtures.nemo_dump_no_xml
self.assertEqual(actual, expected)
with warnings.catch_warnings():
warnings.simplefilter('ignore')
opt = glymur.get_printoptions()['xml']
self.assertFalse(opt)
def test_deprecated_set_get_printoptions(self):
"""
Verify deprecated get_printoptions and set_printoptions
"""
with self.assertWarns(DeprecationWarning):
glymur.set_printoptions(short=True)
with self.assertWarns(DeprecationWarning):
glymur.set_printoptions(xml=True)
with self.assertWarns(DeprecationWarning):
glymur.set_printoptions(codestream=True)
with self.assertWarns(DeprecationWarning):
glymur.get_printoptions()
def test_deprecated_set_get_printoptions(self):
"""
Verify deprecated get_printoptions and set_printoptions
"""
with self.assertWarns(DeprecationWarning):
glymur.set_printoptions(short=True)
with self.assertWarns(DeprecationWarning):
glymur.set_printoptions(xml=True)
with self.assertWarns(DeprecationWarning):
glymur.set_printoptions(codestream=True)
with self.assertWarns(DeprecationWarning):
glymur.get_printoptions()
def test_printoptions_bad_argument(self):
"""Verify error when bad parameter to set_printoptions"""
with self.assertRaises(TypeError):
glymur.set_printoptions(hi='low')
