Modernized printing tests.
Using recipe 14.1 described in "Python Cookbook", mock.patch works much better.
This commit is contained in:
John Evans
parent
20c1e7d99b
commit
c35bcaead0
1 changed files with 118 additions and 87 deletions
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@ -15,6 +15,11 @@ if sys.hexversion < 0x03000000:
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else:
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from io import StringIO
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if sys.hexversion <= 0x03030000:
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from mock import patch
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else:
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from unittest.mock import patch
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import glymur
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from glymur import Jp2k
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@ -52,10 +57,6 @@ class TestPrintingNeedsLib(unittest.TestCase):
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self.jp2file = glymur.data.nemo()
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self.j2kfile = glymur.data.goodstuff()
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# Save sys.stdout.
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self.stdout = sys.stdout
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sys.stdout = StringIO()
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# Save the output of dumping nemo.jp2 for more than one test.
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lines = ['JPEG 2000 Signature Box (jP ) @ (0, 12)',
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' Signature: 0d0a870a',
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@ -122,8 +123,7 @@ class TestPrintingNeedsLib(unittest.TestCase):
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self.expectedPlain = '\n'.join(lines)
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def tearDown(self):
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# Restore stdout.
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sys.stdout = self.stdout
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pass
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def test_asoc_label_box(self):
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# Construct a fake file with an asoc and a label box, as
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@ -166,8 +166,9 @@ class TestPrintingNeedsLib(unittest.TestCase):
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tfile2.flush()
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jasoc = glymur.Jp2k(tfile2.name)
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print(jasoc.box[3])
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actual = sys.stdout.getvalue().strip()
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with patch('sys.stdout', new=StringIO()) as fake_out:
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print(jasoc.box[3])
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actual = fake_out.getvalue().strip()
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lines = ['Association Box (asoc) @ (77, 56)',
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' Label Box (lbl ) @ (85, 13)',
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' Label: label',
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@ -177,20 +178,21 @@ class TestPrintingNeedsLib(unittest.TestCase):
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self.assertEqual(actual, expected)
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def test_jp2dump(self):
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glymur.jp2dump(self._plain_nemo_file)
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actual = sys.stdout.getvalue().strip()
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with patch('sys.stdout', new=StringIO()) as fake_out:
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glymur.jp2dump(self._plain_nemo_file)
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actual = fake_out.getvalue().strip()
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# Get rid of the filename line, as it is not set in stone.
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lst = actual.split('\n')
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lst = lst[1:]
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actual = '\n'.join(lst)
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self.maxDiff = None
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self.assertEqual(actual, self.expectedPlain)
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def test_entire_file(self):
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j = glymur.Jp2k(self._plain_nemo_file)
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print(j)
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actual = sys.stdout.getvalue().strip()
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with patch('sys.stdout', new=StringIO()) as fake_out:
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print(j)
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actual = fake_out.getvalue().strip()
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# Get rid of the filename line, as it is not set in stone.
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lst = actual.split('\n')
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@ -204,20 +206,17 @@ class TestPrinting(unittest.TestCase):
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def setUp(self):
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# Save sys.stdout.
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self.stdout = sys.stdout
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sys.stdout = StringIO()
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self.jp2file = pkg_resources.resource_filename(glymur.__name__,
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"data/nemo.jp2")
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self.jp2file = glymur.data.nemo()
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def tearDown(self):
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# Restore stdout.
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sys.stdout = self.stdout
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pass
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def test_COC_segment(self):
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j = glymur.Jp2k(self.jp2file)
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codestream = j.get_codestream(header_only=False)
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print(codestream.segment[6])
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actual = sys.stdout.getvalue().strip()
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with patch('sys.stdout', new=StringIO()) as fake_out:
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print(codestream.segment[6])
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actual = fake_out.getvalue().strip()
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lines = ['COC marker segment @ (3260, 9)',
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' Associated component: 1',
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@ -237,14 +236,14 @@ class TestPrinting(unittest.TestCase):
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' Segmentation symbols: False']
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expected = '\n'.join(lines)
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self.maxDiff = None
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self.assertEqual(actual, expected)
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def test_COD_segment(self):
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j = glymur.Jp2k(self.jp2file)
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codestream = j.get_codestream()
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print(codestream.segment[2])
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actual = sys.stdout.getvalue().strip()
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with patch('sys.stdout', new=StringIO()) as fake_out:
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print(codestream.segment[2])
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actual = fake_out.getvalue().strip()
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lines = ['COD marker segment @ (3186, 12)',
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' Coding style:',
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@ -279,8 +278,9 @@ class TestPrinting(unittest.TestCase):
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def test_icc_profile(self):
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filename = os.path.join(data_root, 'input/nonregression/text_GBR.jp2')
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j = glymur.Jp2k(filename)
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print(j.box[3].box[1])
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actual = sys.stdout.getvalue().strip()
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with patch('sys.stdout', new=StringIO()) as fake_out:
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print(j.box[3].box[1])
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actual = fake_out.getvalue().strip()
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lin27 = ["Colour Specification Box (colr) @ (179, 1339)",
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" Method: any ICC profile",
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" Precedence: 2",
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@ -344,8 +344,9 @@ class TestPrinting(unittest.TestCase):
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filename = os.path.join(data_root, 'input/conformance/p0_03.j2k')
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j = glymur.Jp2k(filename)
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codestream = j.get_codestream()
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print(codestream.segment[-5])
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actual = sys.stdout.getvalue().strip()
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with patch('sys.stdout', new=StringIO()) as fake_out:
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print(codestream.segment[-5])
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actual = fake_out.getvalue().strip()
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lines = ['CRG marker segment at (87, 6)',
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' Vertical, Horizontal offset: (0.50, 1.00)']
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expected = '\n'.join(lines)
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@ -357,8 +358,9 @@ class TestPrinting(unittest.TestCase):
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filename = os.path.join(data_root, 'input/conformance/p0_03.j2k')
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j = glymur.Jp2k(filename)
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codestream = j.get_codestream(header_only=False)
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print(codestream.segment[12])
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actual = sys.stdout.getvalue().strip()
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with patch('sys.stdout', new=StringIO()) as fake_out:
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print(codestream.segment[12])
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actual = fake_out.getvalue().strip()
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lines = ['RGN marker segment @ (310, 5)',
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' Associated component: 0',
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' ROI style: 0',
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@ -372,8 +374,9 @@ class TestPrinting(unittest.TestCase):
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filename = os.path.join(data_root, 'input/conformance/p0_03.j2k')
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j = glymur.Jp2k(filename)
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codestream = j.get_codestream(header_only=False)
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print(codestream.segment[-2])
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actual = sys.stdout.getvalue().strip()
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with patch('sys.stdout', new=StringIO()) as fake_out:
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print(codestream.segment[-2])
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actual = fake_out.getvalue().strip()
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lines = ['SOP marker segment @ (12836, 4)',
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' Nsop: 15']
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expected = '\n'.join(lines)
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@ -387,8 +390,9 @@ class TestPrinting(unittest.TestCase):
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j = glymur.Jp2k(filename)
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codestream = j.get_codestream()
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# 2nd to last segment in the main header
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print(codestream.segment[-2])
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actual = sys.stdout.getvalue().strip()
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with patch('sys.stdout', new=StringIO()) as fake_out:
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print(codestream.segment[-2])
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actual = fake_out.getvalue().strip()
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lines = ['CME marker segment @ (85, 45)',
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' "Creator: AV-J2K (c) 2000,2001 Algo Vision"']
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expected = '\n'.join(lines)
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@ -397,8 +401,9 @@ class TestPrinting(unittest.TestCase):
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def test_EOC_segment(self):
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j = glymur.Jp2k(self.jp2file)
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codestream = j.get_codestream(header_only=False)
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print(codestream.segment[-1])
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actual = sys.stdout.getvalue().strip()
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with patch('sys.stdout', new=StringIO()) as fake_out:
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print(codestream.segment[-1])
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actual = fake_out.getvalue().strip()
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lines = ['EOC marker segment @ (1135421, 0)']
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expected = '\n'.join(lines)
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@ -410,8 +415,9 @@ class TestPrinting(unittest.TestCase):
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filename = os.path.join(data_root, 'input/conformance/p0_07.j2k')
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j = glymur.Jp2k(filename)
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codestream = j.get_codestream(header_only=False)
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print(codestream.segment[49935])
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actual = sys.stdout.getvalue().strip()
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with patch('sys.stdout', new=StringIO()) as fake_out:
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print(codestream.segment[49935])
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actual = fake_out.getvalue().strip()
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lines = ['PLT marker segment @ (7871146, 38)',
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' Index: 0',
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@ -427,8 +433,9 @@ class TestPrinting(unittest.TestCase):
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filename = os.path.join(data_root, 'input/conformance/p0_13.j2k')
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j = glymur.Jp2k(filename)
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codestream = j.get_codestream()
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print(codestream.segment[8])
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actual = sys.stdout.getvalue().strip()
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with patch('sys.stdout', new=StringIO()) as fake_out:
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print(codestream.segment[8])
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actual = fake_out.getvalue().strip()
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lines = ['POD marker segment @ (878, 20)',
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' Progression change 0:',
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@ -455,8 +462,9 @@ class TestPrinting(unittest.TestCase):
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filename = os.path.join(data_root, 'input/conformance/p1_03.j2k')
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j = glymur.Jp2k(filename)
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codestream = j.get_codestream()
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print(codestream.segment[9])
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actual = sys.stdout.getvalue().strip()
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with patch('sys.stdout', new=StringIO()) as fake_out:
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print(codestream.segment[9])
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actual = fake_out.getvalue().strip()
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lines = ['PPM marker segment @ (213, 43712)',
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' Index: 0',
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@ -471,8 +479,9 @@ class TestPrinting(unittest.TestCase):
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filename = os.path.join(data_root, 'input/conformance/p1_06.j2k')
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j = glymur.Jp2k(filename)
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codestream = j.get_codestream(header_only=False)
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print(codestream.segment[6])
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actual = sys.stdout.getvalue().strip()
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with patch('sys.stdout', new=StringIO()) as fake_out:
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print(codestream.segment[6])
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actual = fake_out.getvalue().strip()
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lines = ['PPT marker segment @ (155, 109)',
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' Index: 0',
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@ -484,8 +493,9 @@ class TestPrinting(unittest.TestCase):
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def test_QCC_segment(self):
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j = glymur.Jp2k(self.jp2file)
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codestream = j.get_codestream(header_only=False)
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print(codestream.segment[7])
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actual = sys.stdout.getvalue().strip()
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with patch('sys.stdout', new=StringIO()) as fake_out:
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print(codestream.segment[7])
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actual = fake_out.getvalue().strip()
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lines = ['QCC marker segment @ (3271, 8)',
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' Associated Component: 1',
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@ -498,8 +508,9 @@ class TestPrinting(unittest.TestCase):
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def test_QCD_segment_5x3_transform(self):
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j = glymur.Jp2k(self.jp2file)
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codestream = j.get_codestream()
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print(codestream.segment[3])
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actual = sys.stdout.getvalue().strip()
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with patch('sys.stdout', new=StringIO()) as fake_out:
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print(codestream.segment[3])
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actual = fake_out.getvalue().strip()
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lines = ['QCD marker segment @ (3200, 7)',
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' Quantization style: no quantization, 2 guard bits',
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@ -511,8 +522,9 @@ class TestPrinting(unittest.TestCase):
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def test_SIZ_segment(self):
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j = glymur.Jp2k(self.jp2file)
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codestream = j.get_codestream()
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print(codestream.segment[1])
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actual = sys.stdout.getvalue().strip()
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with patch('sys.stdout', new=StringIO()) as fake_out:
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print(codestream.segment[1])
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actual = fake_out.getvalue().strip()
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lines = ['SIZ marker segment @ (3137, 47)',
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' Profile: 2',
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@ -531,8 +543,9 @@ class TestPrinting(unittest.TestCase):
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def test_SOC_segment(self):
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j = glymur.Jp2k(self.jp2file)
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codestream = j.get_codestream()
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print(codestream.segment[0])
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actual = sys.stdout.getvalue().strip()
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with patch('sys.stdout', new=StringIO()) as fake_out:
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print(codestream.segment[0])
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actual = fake_out.getvalue().strip()
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lines = ['SOC marker segment @ (3135, 0)']
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expected = '\n'.join(lines)
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@ -541,8 +554,9 @@ class TestPrinting(unittest.TestCase):
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def test_SOD_segment(self):
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j = glymur.Jp2k(self.jp2file)
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codestream = j.get_codestream(header_only=False)
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print(codestream.segment[10])
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actual = sys.stdout.getvalue().strip()
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with patch('sys.stdout', new=StringIO()) as fake_out:
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print(codestream.segment[10])
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actual = fake_out.getvalue().strip()
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lines = ['SOD marker segment @ (3302, 0)']
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expected = '\n'.join(lines)
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@ -551,8 +565,9 @@ class TestPrinting(unittest.TestCase):
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def test_SOT_segment(self):
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j = glymur.Jp2k(self.jp2file)
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codestream = j.get_codestream(header_only=False)
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print(codestream.segment[5])
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actual = sys.stdout.getvalue().strip()
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with patch('sys.stdout', new=StringIO()) as fake_out:
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print(codestream.segment[5])
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actual = fake_out.getvalue().strip()
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lines = ['SOT marker segment @ (3248, 10)',
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' Tile part index: 0',
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@ -570,8 +585,9 @@ class TestPrinting(unittest.TestCase):
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filename = os.path.join(data_root, 'input/conformance/p0_15.j2k')
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j = glymur.Jp2k(filename)
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codestream = j.get_codestream()
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print(codestream.segment[10])
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actual = sys.stdout.getvalue().strip()
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with patch('sys.stdout', new=StringIO()) as fake_out:
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print(codestream.segment[10])
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actual = fake_out.getvalue().strip()
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lines = ['TLM marker segment @ (268, 28)',
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' Index: 0',
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@ -586,8 +602,10 @@ class TestPrinting(unittest.TestCase):
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def test_xmp(self):
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# Verify the printing of a UUID/XMP box.
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j = glymur.Jp2k(self.jp2file)
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print(j.box[4])
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actual = sys.stdout.getvalue().strip()
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with patch('sys.stdout', new=StringIO()) as fake_out:
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print(j.box[4])
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actual = fake_out.getvalue().strip()
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lst = ['UUID Box (uuid) @ (715, 2412)',
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' UUID: be7acfcb-97a9-42e8-9c71-999491e3afac (XMP)',
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' UUID Data: ',
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@ -605,8 +623,9 @@ class TestPrinting(unittest.TestCase):
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def test_codestream(self):
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j = glymur.Jp2k(self.jp2file)
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print(j.get_codestream())
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actual = sys.stdout.getvalue().strip()
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with patch('sys.stdout', new=StringIO()) as fake_out:
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print(j.get_codestream())
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actual = fake_out.getvalue().strip()
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lst = ['Codestream:',
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' SOC marker segment @ (3135, 0)',
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' SIZ marker segment @ (3137, 47)',
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@ -658,8 +677,9 @@ class TestPrinting(unittest.TestCase):
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def test_xml(self):
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filename = os.path.join(data_root, 'input/conformance/file1.jp2')
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j = glymur.Jp2k(filename)
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print(j.box[2])
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actual = sys.stdout.getvalue().strip()
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with patch('sys.stdout', new=StringIO()) as fake_out:
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print(j.box[2])
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actual = fake_out.getvalue().strip()
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lines = ['XML Box (xml ) @ (36, 439)',
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' <ns0:IMAGE_CREATION '
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@ -687,8 +707,9 @@ class TestPrinting(unittest.TestCase):
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def test_channel_definition(self):
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filename = os.path.join(data_root, 'input/conformance/file2.jp2')
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j = glymur.Jp2k(filename)
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print(j.box[2].box[2])
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actual = sys.stdout.getvalue().strip()
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with patch('sys.stdout', new=StringIO()) as fake_out:
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print(j.box[2].box[2])
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actual = fake_out.getvalue().strip()
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lines = ['Channel Definition Box (cdef) @ (81, 28)',
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' Channel 0 (color) ==> (3)',
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' Channel 1 (color) ==> (2)',
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@ -701,8 +722,9 @@ class TestPrinting(unittest.TestCase):
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def test_component_mapping(self):
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filename = os.path.join(data_root, 'input/conformance/file9.jp2')
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j = glymur.Jp2k(filename)
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print(j.box[2].box[2])
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actual = sys.stdout.getvalue().strip()
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with patch('sys.stdout', new=StringIO()) as fake_out:
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print(j.box[2].box[2])
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actual = fake_out.getvalue().strip()
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lines = ['Component Mapping Box (cmap) @ (848, 20)',
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' Component 0 ==> palette column 0',
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' Component 0 ==> palette column 1',
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@ -715,8 +737,9 @@ class TestPrinting(unittest.TestCase):
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def test_palette(self):
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filename = os.path.join(data_root, 'input/conformance/file9.jp2')
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j = glymur.Jp2k(filename)
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print(j.box[2].box[1])
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actual = sys.stdout.getvalue().strip()
|
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with patch('sys.stdout', new=StringIO()) as fake_out:
|
||||
print(j.box[2].box[1])
|
||||
actual = fake_out.getvalue().strip()
|
||||
lines = ['Palette Box (pclr) @ (66, 782)',
|
||||
' Size: (256 x 3)']
|
||||
expected = '\n'.join(lines)
|
||||
|
|
@ -727,8 +750,9 @@ class TestPrinting(unittest.TestCase):
|
|||
def test_palette(self):
|
||||
filename = os.path.join(data_root, 'input/conformance/file7.jp2')
|
||||
j = glymur.Jp2k(filename)
|
||||
print(j.box[2])
|
||||
actual = sys.stdout.getvalue().strip()
|
||||
with patch('sys.stdout', new=StringIO()) as fake_out:
|
||||
print(j.box[2])
|
||||
actual = fake_out.getvalue().strip()
|
||||
lines = ['Reader Requirements Box (rreq) @ (44, 24)',
|
||||
' Standard Features:',
|
||||
' Feature 005: '
|
||||
|
|
@ -750,8 +774,9 @@ class TestPrinting(unittest.TestCase):
|
|||
filename = os.path.join(data_root, 'input/conformance/p0_03.j2k')
|
||||
j = glymur.Jp2k(filename)
|
||||
codestream = j.get_codestream()
|
||||
print(codestream.segment[6])
|
||||
actual = sys.stdout.getvalue().strip()
|
||||
with patch('sys.stdout', new=StringIO()) as fake_out:
|
||||
print(codestream.segment[6])
|
||||
actual = fake_out.getvalue().strip()
|
||||
lines = ['CRG marker segment @ (87, 6)',
|
||||
' Vertical, Horizontal offset: (0.50, 1.00)']
|
||||
expected = '\n'.join(lines)
|
||||
|
|
@ -764,8 +789,9 @@ class TestPrinting(unittest.TestCase):
|
|||
filename = os.path.join(data_root, 'input/conformance/p0_05.j2k')
|
||||
j = glymur.Jp2k(filename)
|
||||
codestream = j.get_codestream()
|
||||
print(codestream.segment[1])
|
||||
actual = sys.stdout.getvalue().strip()
|
||||
with patch('sys.stdout', new=StringIO()) as fake_out:
|
||||
print(codestream.segment[1])
|
||||
actual = fake_out.getvalue().strip()
|
||||
lines = ['SIZ marker segment @ (2, 50)',
|
||||
' Profile: 0',
|
||||
' Reference Grid Height, Width: (1024 x 1024)',
|
||||
|
|
@ -785,8 +811,9 @@ class TestPrinting(unittest.TestCase):
|
|||
# Verify that palette (pclr) boxes are printed without error.
|
||||
filename = os.path.join(data_root, 'input/conformance/file9.jp2')
|
||||
j = glymur.Jp2k(filename)
|
||||
print(j.box[2].box[1])
|
||||
actual = sys.stdout.getvalue().strip()
|
||||
with patch('sys.stdout', new=StringIO()) as fake_out:
|
||||
print(j.box[2].box[1])
|
||||
actual = fake_out.getvalue().strip()
|
||||
lines = ['Palette Box (pclr) @ (66, 782)',
|
||||
' Size: (256 x 3)']
|
||||
expected = '\n'.join(lines)
|
||||
|
|
@ -845,9 +872,10 @@ class TestPrinting(unittest.TestCase):
|
|||
tfile.flush()
|
||||
|
||||
jp2k = glymur.Jp2k(tfile.name)
|
||||
print(jp2k.box[3])
|
||||
print(jp2k.box[4])
|
||||
actual = sys.stdout.getvalue().strip()
|
||||
with patch('sys.stdout', new=StringIO()) as fake_out:
|
||||
print(jp2k.box[3])
|
||||
print(jp2k.box[4])
|
||||
actual = fake_out.getvalue().strip()
|
||||
lines = ['UUIDInfo Box (uinf) @ (77, 50)',
|
||||
' UUID List Box (ulst) @ (85, 26)',
|
||||
' UUID[0]: 00000000-0000-0000-0000-000000000000',
|
||||
|
|
@ -876,8 +904,9 @@ class TestPrinting(unittest.TestCase):
|
|||
filename = os.path.join(data_root, 'input/nonregression/text_GBR.jp2')
|
||||
j = glymur.Jp2k(filename)
|
||||
|
||||
print(j.box[3].box[1])
|
||||
actual = sys.stdout.getvalue().strip()
|
||||
with patch('sys.stdout', new=StringIO()) as fake_out:
|
||||
print(j.box[3].box[1])
|
||||
actual = fake_out.getvalue().strip()
|
||||
lines = ["Colour Specification Box (colr) @ (179, 1339)",
|
||||
" Method: any ICC profile",
|
||||
" Precedence: 2",
|
||||
|
|
@ -915,8 +944,9 @@ class TestPrinting(unittest.TestCase):
|
|||
filename = os.path.join(data_root, 'input/nonregression/text_GBR.jp2')
|
||||
j = glymur.Jp2k(filename)
|
||||
|
||||
print(j.box[4])
|
||||
actual = sys.stdout.getvalue().strip()
|
||||
with patch('sys.stdout', new=StringIO()) as fake_out:
|
||||
print(j.box[4])
|
||||
actual = fake_out.getvalue().strip()
|
||||
lines = ['UUID Box (uuid) @ (1544, 25)',
|
||||
' UUID: 3a0d0218-0ae9-4115-b376-4bca41ce0e71',
|
||||
' UUID Data: 1 bytes']
|
||||
|
|
@ -929,8 +959,9 @@ class TestPrinting(unittest.TestCase):
|
|||
def test_exif_uuid(self):
|
||||
j = glymur.Jp2k(self.jp2file)
|
||||
|
||||
print(j.box[3])
|
||||
actual = sys.stdout.getvalue().strip()
|
||||
with patch('sys.stdout', new=StringIO()) as fake_out:
|
||||
print(j.box[3])
|
||||
actual = fake_out.getvalue().strip()
|
||||
|
||||
lines = ["UUID Box (uuid) @ (77, 638)",
|
||||
" UUID: 4a706754-6966-6645-7869-662d3e4a5032 (Exif)",
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue