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refactored, skipping tests not to be run on openjpeg 1.3

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This commit is contained in:
John Evans 2014-11-18 10:06:52 -05:00
commit 117b7d1bbe
1 changed files with 43 additions and 34 deletions
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77
glymur/test/test_opj_suite_neg.py
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@ -24,6 +24,7 @@ from .fixtures import OPJ_DATA_ROOT, opj_data_file, read_image
from .fixtures import NO_READ_BACKEND, NO_READ_BACKEND_MSG
from .fixtures import NO_SKIMAGE_FREEIMAGE_SUPPORT
from .fixtures import WARNING_INFRASTRUCTURE_ISSUE, WARNING_INFRASTRUCTURE_MSG
from . import fixtures
from glymur import Jp2k
import glymur
@ -31,7 +32,7 @@ import glymur
@unittest.skipIf(OPJ_DATA_ROOT is None,
"OPJ_OPJ_DATA_ROOT environment variable not set")
class TestSuiteNegative(unittest.TestCase):
class TestSuiteNegativeRead(unittest.TestCase):
"""Test suite for certain negative tests from openjpeg suite."""
def setUp(self):
@ -41,33 +42,6 @@ class TestSuiteNegative(unittest.TestCase):
def tearDown(self):
pass
@unittest.skipIf(NO_SKIMAGE_FREEIMAGE_SUPPORT,
"Cannot read input image without scikit-image/freeimage")
@unittest.skipIf(os.name == "nt", "Temporary file issue on window.")
def test_cinema2K_bad_frame_rate(self):
"""Cinema2k frame rate must be either 24 or 48."""
relfile = 'input/nonregression/X_5_2K_24_235_CBR_STEM24_000.tif'
infile = opj_data_file(relfile)
data = skimage.io.imread(infile)
with tempfile.NamedTemporaryFile(suffix='.j2k') as tfile:
j = Jp2k(tfile.name, 'wb')
with self.assertRaises(IOError):
j.write(data, cinema2k=36)
@unittest.skipIf(NO_READ_BACKEND, NO_READ_BACKEND_MSG)
@unittest.skipIf(os.name == "nt", "Temporary file issue on window.")
def test_psnr_with_cratios(self):
"""Using psnr with cratios options is not allowed."""
# Not an OpenJPEG test, but close.
infile = opj_data_file('input/nonregression/Bretagne1.ppm')
data = read_image(infile)
with tempfile.NamedTemporaryFile(suffix='.j2k') as tfile:
j = Jp2k(tfile.name, 'wb')
with self.assertRaises(IOError):
j.write(data, psnr=[30, 35, 40], cratios=[2, 3, 4])
def test_nr_marker_not_compliant(self):
"""non-compliant marker, should still be able to read"""
relpath = 'input/nonregression/MarkerIsNotCompliant.j2k'
@ -98,7 +72,47 @@ class TestSuiteNegative(unittest.TestCase):
jp2k.get_codestream(header_only=False)
self.assertTrue(True)
@unittest.skipIf(os.name == "nt", "Temporary file issue on window.")
@unittest.skipIf(re.match("1.5|2", glymur.version.openjpeg_version) is None,
"Must have openjpeg 1.5 or higher to run")
@unittest.skipIf(os.name == "nt", fixtures.WINDOWS_TMP_FILE_MSG)
@unittest.skipIf(OPJ_DATA_ROOT is None,
"OPJ_OPJ_DATA_ROOT environment variable not set")
class TestSuiteNegativeWrite(unittest.TestCase):
"""Test suite for certain negative tests from openjpeg suite."""
def setUp(self):
self.jp2file = glymur.data.nemo()
self.j2kfile = glymur.data.goodstuff()
def tearDown(self):
pass
@unittest.skipIf(NO_SKIMAGE_FREEIMAGE_SUPPORT,
"Cannot read input image without scikit-image/freeimage")
def test_cinema2K_bad_frame_rate(self):
"""Cinema2k frame rate must be either 24 or 48."""
relfile = 'input/nonregression/X_5_2K_24_235_CBR_STEM24_000.tif'
infile = opj_data_file(relfile)
data = skimage.io.imread(infile)
with tempfile.NamedTemporaryFile(suffix='.j2k') as tfile:
j = Jp2k(tfile.name, 'wb')
with self.assertRaises(IOError):
j.write(data, cinema2k=36)
@unittest.skipIf(NO_READ_BACKEND, NO_READ_BACKEND_MSG)
def test_psnr_with_cratios(self):
"""Using psnr with cratios options is not allowed."""
# Not an OpenJPEG test, but close.
infile = opj_data_file('input/nonregression/Bretagne1.ppm')
data = read_image(infile)
with tempfile.NamedTemporaryFile(suffix='.j2k') as tfile:
j = Jp2k(tfile.name, 'wb')
with self.assertRaises(IOError):
j.write(data, psnr=[30, 35, 40], cratios=[2, 3, 4])
def test_code_block_dimensions(self):
"""don't allow extreme codeblock sizes"""
# opj_compress doesn't allow the dimensions of a codeblock
@ -117,7 +131,6 @@ class TestSuiteNegative(unittest.TestCase):
with self.assertRaises(IOError):
j.write(data, cbsize=(2, 2048))
@unittest.skipIf(os.name == "nt", "Temporary file issue on window.")
def test_precinct_size_not_p2(self):
"""precinct sizes should be powers of two."""
ifile = Jp2k(self.j2kfile)
@ -127,7 +140,6 @@ class TestSuiteNegative(unittest.TestCase):
with self.assertRaises(IOError):
ofile.write(data, psizes=[(13, 13)])
@unittest.skipIf(os.name == "nt", "Temporary file issue on window.")
def test_cblk_size_not_power_of_two(self):
"""code block sizes should be powers of two."""
ifile = Jp2k(self.j2kfile)
@ -137,7 +149,6 @@ class TestSuiteNegative(unittest.TestCase):
with self.assertRaises(IOError):
ofile.write(data, cbsize=(13, 12))
@unittest.skipIf(os.name == "nt", "Temporary file issue on window.")
def test_cblk_size_precinct_size(self):
"""code block sizes should never exceed half that of precinct size."""
ifile = Jp2k(self.j2kfile)
@ -149,5 +160,3 @@ class TestSuiteNegative(unittest.TestCase):
cbsize=(64, 64),
psizes=[(64, 64)])
if __name__ == "__main__":
unittest.main()