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No longer testing nemo directly.

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This commit is contained in:
jevans 2013-06-04 20:54:57 -04:00
commit 6407a27208
1 changed files with 64 additions and 36 deletions
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100
glymur/test/test_printing.py
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@ -11,6 +11,7 @@ else:
from io import StringIO
import glymur
from glymur import Jp2k
try:
data_root = os.environ['OPJ_DATA_ROOT']
@ -22,6 +23,22 @@ except:
class TestPrinting(unittest.TestCase):
@classmethod
def setUpClass(cls):
# Setup a plain JP2 file without the two UUID boxes.
jp2file = pkg_resources.resource_filename(glymur.__name__,
"data/nemo.jp2")
with tempfile.NamedTemporaryFile(suffix='.jp2', delete=False) as tfile:
cls._plain_nemo_file = tfile.name
ijfile = Jp2k(jp2file)
data = ijfile.read(reduce=3)
ojfile = Jp2k(cls._plain_nemo_file, 'wb')
ojfile.write(data)
@classmethod
def tearDownClass(cls):
os.unlink(cls._plain_nemo_file)
def setUp(self):
# Save sys.stdout.
self.stdout = sys.stdout
@ -30,15 +47,14 @@ class TestPrinting(unittest.TestCase):
"data/nemo.jp2")
# Save the output of dumping nemo.jp2 for more than one test.
lines = ['File: nemo.jp2',
'JPEG 2000 Signature Box (jP ) @ (0, 12)',
lines = ['JPEG 2000 Signature Box (jP ) @ (0, 12)',
' Signature: 0d0a870a',
'File Type Box (ftyp) @ (12, 20)',
' Brand: jp2 ',
" Compatibility: ['jp2 ']",
'JP2 Header Box (jp2h) @ (32, 45)',
' Image Header Box (ihdr) @ (40, 22)',
' Size: [1456 2592 3]',
' Size: [182 324 3]',
' Bitdepth: 8',
' Signed: False',
' Compression: wavelet',
@ -47,45 +63,29 @@ class TestPrinting(unittest.TestCase):
' Method: enumerated colorspace',
' Precedence: 0',
' Colorspace: sRGB',
'UUID Box (uuid) @ (77, 638)',
' UUID: 4a706754-6966-6645-7869-662d3e4a5032',
' UUID Data: 614 bytes',
'UUID Box (uuid) @ (715, 2412)',
' UUID: be7acfcb-97a9-42e8-9c71-999491e3afac (XMP)',
' UUID Data: ',
' <ns0:xmpmeta xmlns:ns0="adobe:ns:meta/" '
+ 'xmlns:ns2="http://ns.adobe.com/xap/1.0/" '
+ 'xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" '
+ 'ns0:xmptk="XMP Core 4.4.0-Exiv2">',
' <rdf:RDF>',
' <rdf:Description ns2:CreatorTool="glymur" '
+ 'rdf:about="" />',
' </rdf:RDF>',
' </ns0:xmpmeta>',
' ',
'Contiguous Codestream Box (jp2c) @ (3127, 1133427)',
'Contiguous Codestream Box (jp2c) @ (77, 112814)',
' Main header:',
' SOC marker segment @ (3135, 0)',
' SIZ marker segment @ (3137, 47)',
' SOC marker segment @ (85, 0)',
' SIZ marker segment @ (87, 47)',
' Profile: 2',
' Reference Grid Height, Width: (1456 x 2592)',
' Reference Grid Height, Width: (182 x 324)',
' Vertical, Horizontal Reference Grid Offset: '
+ '(0 x 0)',
' Reference Tile Height, Width: (512 x 512)',
' Reference Tile Height, Width: (182 x 324)',
' Vertical, Horizontal Reference Tile Offset: '
+ '(0 x 0)',
' Bitdepth: (8, 8, 8)',
' Signed: (False, False, False)',
' Vertical, Horizontal Subsampling: '
+ '((1, 1), (1, 1), (1, 1))',
' COD marker segment @ (3186, 12)',
' COD marker segment @ (136, 12)',
' Coding style:',
' Entropy coder, without partitions',
' SOP marker segments: False',
' EPH marker segments: False',
' Coding style parameters:',
' Progression order: LRCP',
' Number of layers: 3',
' Number of layers: 1',
' Multiple component transformation usage: '
+ 'reversible',
' Number of resolutions: 6',
@ -102,26 +102,29 @@ class TestPrinting(unittest.TestCase):
+ 'False',
' Predictable termination: False',
' Segmentation symbols: False',
' QCD marker segment @ (3200, 19)',
' QCD marker segment @ (150, 19)',
' Quantization style: no quantization, '
+ '2 guard bits',
' Step size: [(0, 8), (0, 9), (0, 9), '
+ '(0, 10), (0, 9), (0, 9), (0, 10), (0, 9), (0, 9), '
+ '(0, 10), (0, 9), (0, 9), (0, 10), (0, 9), (0, 9), '
+ '(0, 10)]']
self.expectedNemo = '\n'.join(lines)
self.expectedPlain = '\n'.join(lines)
def tearDown(self):
# Restore stdout.
sys.stdout = self.stdout
#import pdb; pdb.set_trace()
def test_jp2dump(self):
glymur.jp2dump(self.jp2file)
glymur.jp2dump(self._plain_nemo_file)
actual = sys.stdout.getvalue().strip()
self.actual = actual
self.expected = self.expectedNemo
self.assertEqual(actual, self.expectedNemo)
# Get rid of the filename line, as it is not set in stone.
lst = actual.split('\n')
lst = lst[1:]
actual = '\n'.join(lst)
self.assertEqual(actual, self.expectedPlain)
def test_COC_segment(self):
j = glymur.Jp2k(self.jp2file)
@ -429,17 +432,42 @@ class TestPrinting(unittest.TestCase):
expected = '\n'.join(lines)
self.assertEqual(actual, expected)
def test_entire_file(self):
def test_xmp(self):
# Verify the printing of a UUID/XMP box.
j = glymur.Jp2k(self.jp2file)
print(j.box[4])
actual = sys.stdout.getvalue().strip()
lst = ['UUID Box (uuid) @ (715, 2412)',
' UUID: be7acfcb-97a9-42e8-9c71-999491e3afac (XMP)',
' UUID Data: ',
' <ns0:xmpmeta xmlns:ns0="adobe:ns:meta/" '
+ 'xmlns:ns2="http://ns.adobe.com/xap/1.0/" '
+ 'xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" '
+ 'ns0:xmptk="XMP Core 4.4.0-Exiv2">',
' <rdf:RDF>',
' <rdf:Description ns2:CreatorTool="glymur" '
+ 'rdf:about="" />',
' </rdf:RDF>',
' </ns0:xmpmeta>']
expected = '\n'.join(lst)
self.assertEqual(actual, expected)
def test_entire_file(self):
j = glymur.Jp2k(self._plain_nemo_file)
print(j)
actual = sys.stdout.getvalue().strip()
self.assertEqual(actual, self.expectedNemo)
# Get rid of the filename line, as it is not set in stone.
lst = actual.split('\n')
lst = lst[1:]
actual = '\n'.join(lst)
self.assertEqual(actual, self.expectedPlain)
def test_codestream(self):
j = glymur.Jp2k(self.jp2file)
print(j.get_codestream())
actual = sys.stdout.getvalue().strip()
lst = ['Codestream:',
' SOC marker segment @ (3135, 0)',
' SIZ marker segment @ (3137, 47)',