Bad test suite removed. Closes #122
The channel definition test suite looks like it was mistakenly pasted into another part of the file but not correctly skipped when the library version was 1.3.
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John Evans
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1 changed files with 0 additions and 260 deletions
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@ -56,7 +56,6 @@ def load_tests(loader, tests, ignore):
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tests.addTests(doctest.DocTestSuite('glymur.jp2box'))
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return tests
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@unittest.skipIf(glymur.version.openjpeg_version_tuple[0] < 2 or
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OPENJP2_IS_V2_OFFICIAL,
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"Not supported until 2.0+.")
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@ -744,264 +743,5 @@ class TestJpxBoxes(unittest.TestCase):
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self.assertEqual(len(jpx.box[5].box), 0)
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@unittest.skipIf(os.name == "nt", "Temporary file issue on window.")
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class TestChannelDefinition(unittest.TestCase):
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"""Test suite for channel definition boxes."""
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@classmethod
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def setUpClass(cls):
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"""Need a one_plane plane image for greyscale testing."""
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j2k = Jp2k(glymur.data.goodstuff())
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data = j2k.read()
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# Write the first component back out to file.
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with tempfile.NamedTemporaryFile(suffix=".j2k", delete=False) as tfile:
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grey_j2k = Jp2k(tfile.name, 'wb')
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grey_j2k.write(data[:, :, 0])
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cls.one_plane = tfile.name
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# Write the first two components back out to file.
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with tempfile.NamedTemporaryFile(suffix=".j2k", delete=False) as tfile:
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grey_j2k = Jp2k(tfile.name, 'wb')
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grey_j2k.write(data[:, :, 0:1])
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cls.two_planes = tfile.name
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# Write four components back out to file.
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with tempfile.NamedTemporaryFile(suffix=".j2k", delete=False) as tfile:
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rgba_jp2 = Jp2k(tfile.name, 'wb')
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shape = (data.shape[0], data.shape[1], 1)
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alpha = np.zeros((shape), dtype=data.dtype)
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data4 = np.concatenate((data, alpha), axis=2)
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rgba_jp2.write(data4)
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cls.four_planes = tfile.name
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@classmethod
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def tearDownClass(cls):
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os.unlink(cls.one_plane)
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os.unlink(cls.two_planes)
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os.unlink(cls.four_planes)
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def setUp(self):
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self.jp2file = glymur.data.nemo()
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self.j2kfile = glymur.data.goodstuff()
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j2k = Jp2k(self.j2kfile)
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codestream = j2k.get_codestream()
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height = codestream.segment[1].ysiz
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width = codestream.segment[1].xsiz
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num_components = len(codestream.segment[1].xrsiz)
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self.jp2b = JPEG2000SignatureBox()
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self.ftyp = FileTypeBox()
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self.jp2h = JP2HeaderBox()
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self.jp2c = ContiguousCodestreamBox()
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self.ihdr = ImageHeaderBox(height=height, width=width,
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num_components=num_components)
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self.colr_rgb = ColourSpecificationBox(colorspace=glymur.core.SRGB)
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self.colr_gr = ColourSpecificationBox(colorspace=glymur.core.GREYSCALE)
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def tearDown(self):
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pass
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def test_cdef_no_inputs(self):
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"""channel_type and association are required inputs."""
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with self.assertRaises(IOError):
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glymur.jp2box.ChannelDefinitionBox()
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def test_rgb_with_index(self):
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"""Just regular RGB."""
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j2k = Jp2k(self.j2kfile)
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channel_type = [COLOR, COLOR, COLOR]
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association = [RED, GREEN, BLUE]
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cdef = glymur.jp2box.ChannelDefinitionBox(index=[0, 1, 2],
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channel_type=channel_type,
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association=association)
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boxes = [self.ihdr, self.colr_rgb, cdef]
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self.jp2h.box = boxes
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boxes = [self.jp2b, self.ftyp, self.jp2h, self.jp2c]
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with tempfile.NamedTemporaryFile(suffix=".jp2") as tfile:
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j2k.wrap(tfile.name, boxes=boxes)
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jp2 = Jp2k(tfile.name)
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jp2h = jp2.box[2]
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boxes = [box.box_id for box in jp2h.box]
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self.assertEqual(boxes, ['ihdr', 'colr', 'cdef'])
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self.assertEqual(jp2h.box[2].index, (0, 1, 2))
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self.assertEqual(jp2h.box[2].channel_type,
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(COLOR, COLOR, COLOR))
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self.assertEqual(jp2h.box[2].association,
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(RED, GREEN, BLUE))
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def test_rgb(self):
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"""Just regular RGB, but don't supply the optional index."""
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j2k = Jp2k(self.j2kfile)
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channel_type = [COLOR, COLOR, COLOR]
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association = [RED, GREEN, BLUE]
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cdef = glymur.jp2box.ChannelDefinitionBox(channel_type=channel_type,
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association=association)
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boxes = [self.ihdr, self.colr_rgb, cdef]
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self.jp2h.box = boxes
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boxes = [self.jp2b, self.ftyp, self.jp2h, self.jp2c]
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with tempfile.NamedTemporaryFile(suffix=".jp2") as tfile:
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j2k.wrap(tfile.name, boxes=boxes)
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jp2 = Jp2k(tfile.name)
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jp2h = jp2.box[2]
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boxes = [box.box_id for box in jp2h.box]
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self.assertEqual(boxes, ['ihdr', 'colr', 'cdef'])
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self.assertEqual(jp2h.box[2].index, (0, 1, 2))
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self.assertEqual(jp2h.box[2].channel_type,
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(COLOR, COLOR, COLOR))
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self.assertEqual(jp2h.box[2].association,
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(RED, GREEN, BLUE))
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def test_rgba(self):
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"""Just regular RGBA."""
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j2k = Jp2k(self.four_planes)
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channel_type = (COLOR, COLOR, COLOR, OPACITY)
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association = (RED, GREEN, BLUE, WHOLE_IMAGE)
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cdef = glymur.jp2box.ChannelDefinitionBox(channel_type=channel_type,
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association=association)
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boxes = [self.ihdr, self.colr_rgb, cdef]
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self.jp2h.box = boxes
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boxes = [self.jp2b, self.ftyp, self.jp2h, self.jp2c]
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with tempfile.NamedTemporaryFile(suffix=".jp2") as tfile:
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j2k.wrap(tfile.name, boxes=boxes)
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jp2 = Jp2k(tfile.name)
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jp2h = jp2.box[2]
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boxes = [box.box_id for box in jp2h.box]
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self.assertEqual(boxes, ['ihdr', 'colr', 'cdef'])
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self.assertEqual(jp2h.box[2].index, (0, 1, 2, 3))
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self.assertEqual(jp2h.box[2].channel_type, channel_type)
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self.assertEqual(jp2h.box[2].association, association)
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def test_bad_rgba(self):
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"""R, G, and B must be specified."""
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j2k = Jp2k(self.four_planes)
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channel_type = (COLOR, COLOR, OPACITY, OPACITY)
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association = (RED, GREEN, BLUE, WHOLE_IMAGE)
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cdef = glymur.jp2box.ChannelDefinitionBox(channel_type=channel_type,
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association=association)
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boxes = [self.ihdr, self.colr_rgb, cdef]
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self.jp2h.box = boxes
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boxes = [self.jp2b, self.ftyp, self.jp2h, self.jp2c]
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with tempfile.NamedTemporaryFile(suffix=".jp2") as tfile:
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with self.assertRaises(IOError):
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j2k.wrap(tfile.name, boxes=boxes)
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def test_grey(self):
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"""Just regular greyscale."""
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j2k = Jp2k(self.one_plane)
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channel_type = (COLOR,)
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association = (GREY,)
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cdef = glymur.jp2box.ChannelDefinitionBox(channel_type=channel_type,
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association=association)
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boxes = [self.ihdr, self.colr_gr, cdef]
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self.jp2h.box = boxes
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boxes = [self.jp2b, self.ftyp, self.jp2h, self.jp2c]
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with tempfile.NamedTemporaryFile(suffix=".jp2") as tfile:
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j2k.wrap(tfile.name, boxes=boxes)
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jp2 = Jp2k(tfile.name)
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jp2h = jp2.box[2]
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boxes = [box.box_id for box in jp2h.box]
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self.assertEqual(boxes, ['ihdr', 'colr', 'cdef'])
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self.assertEqual(jp2h.box[2].index, (0,))
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self.assertEqual(jp2h.box[2].channel_type, channel_type)
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self.assertEqual(jp2h.box[2].association, association)
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def test_grey_alpha(self):
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"""Just regular greyscale plus alpha."""
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j2k = Jp2k(self.two_planes)
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channel_type = (COLOR, OPACITY)
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association = (GREY, WHOLE_IMAGE)
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cdef = glymur.jp2box.ChannelDefinitionBox(channel_type=channel_type,
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association=association)
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boxes = [self.ihdr, self.colr_gr, cdef]
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self.jp2h.box = boxes
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boxes = [self.jp2b, self.ftyp, self.jp2h, self.jp2c]
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with tempfile.NamedTemporaryFile(suffix=".jp2") as tfile:
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j2k.wrap(tfile.name, boxes=boxes)
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jp2 = Jp2k(tfile.name)
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jp2h = jp2.box[2]
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boxes = [box.box_id for box in jp2h.box]
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self.assertEqual(boxes, ['ihdr', 'colr', 'cdef'])
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self.assertEqual(jp2h.box[2].index, (0, 1))
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self.assertEqual(jp2h.box[2].channel_type, channel_type)
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self.assertEqual(jp2h.box[2].association, association)
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def test_bad_grey_alpha(self):
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"""A greyscale image with alpha layer must specify a color channel"""
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j2k = Jp2k(self.two_planes)
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channel_type = (OPACITY, OPACITY)
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association = (GREY, WHOLE_IMAGE)
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# This cdef box
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cdef = glymur.jp2box.ChannelDefinitionBox(channel_type=channel_type,
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association=association)
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boxes = [self.ihdr, self.colr_gr, cdef]
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self.jp2h.box = boxes
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boxes = [self.jp2b, self.ftyp, self.jp2h, self.jp2c]
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with tempfile.NamedTemporaryFile(suffix=".jp2") as tfile:
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with self.assertRaises((OSError, IOError)):
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j2k.wrap(tfile.name, boxes=boxes)
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def test_only_one_cdef_in_jp2h(self):
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"""There can only be one channel definition box in the jp2 header."""
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j2k = Jp2k(self.j2kfile)
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channel_type = (COLOR, COLOR, COLOR)
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association = (RED, GREEN, BLUE)
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cdef = glymur.jp2box.ChannelDefinitionBox(channel_type=channel_type,
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association=association)
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boxes = [self.ihdr, cdef, self.colr_rgb, cdef]
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self.jp2h.box = boxes
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boxes = [self.jp2b, self.ftyp, self.jp2h, self.jp2c]
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with tempfile.NamedTemporaryFile(suffix=".jp2") as tfile:
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with self.assertRaises(IOError):
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j2k.wrap(tfile.name, boxes=boxes)
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def test_not_in_jp2h(self):
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"""need cdef in jp2h"""
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j2k = Jp2k(self.j2kfile)
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boxes = [self.ihdr, self.colr_rgb]
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self.jp2h.box = boxes
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channel_type = (COLOR, COLOR, COLOR)
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association = (RED, GREEN, BLUE)
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cdef = glymur.jp2box.ChannelDefinitionBox(channel_type=channel_type,
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association=association)
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boxes = [self.jp2b, self.ftyp, self.jp2h, cdef, self.jp2c]
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with tempfile.NamedTemporaryFile(suffix=".jp2") as tfile:
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with self.assertRaises(IOError):
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j2k.wrap(tfile.name, boxes=boxes)
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def test_bad_type(self):
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"""Channel types are limited to 0, 1, 2, 65535
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Should reject if not all of index, channel_type, association the
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same length.
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"""
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channel_type = (COLOR, COLOR, 3)
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association = (RED, GREEN, BLUE)
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with self.assertRaises(IOError):
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glymur.jp2box.ChannelDefinitionBox(channel_type=channel_type,
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association=association)
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def test_wrong_lengths(self):
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"""Should reject if not all of index, channel_type, association the
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same length.
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"""
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channel_type = (COLOR, COLOR)
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association = (RED, GREEN, BLUE)
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with self.assertRaises(IOError):
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glymur.jp2box.ChannelDefinitionBox(channel_type=channel_type,
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association=association)
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if __name__ == "__main__":
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unittest.main()
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