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tests: wrap all web tests in try catch to avoid failures with older versions

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This commit is contained in:
Dane Springmeyer 2013-10-04 14:07:38 -07:00
parent 2b1a725f15
commit 5672ad9285
1 changed files with 86 additions and 80 deletions
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166
tests/python_tests/webp_encoding_test.py
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@ -64,91 +64,97 @@ if mapnik.has_webp():
def test_expected_encodings(): def test_expected_encodings():
fails = [] fails = []
for opt in opts: try:
im = mapnik.Image(256,256) for opt in opts:
expected = gen_filepath('blank',opt) im = mapnik.Image(256,256)
actual = os.path.join(tmp_dir,os.path.basename(expected)) expected = gen_filepath('blank',opt)
if generate or not os.path.exists(expected): actual = os.path.join(tmp_dir,os.path.basename(expected))
print 'generating expected image %s' % expected if generate or not os.path.exists(expected):
im.save(expected,opt) print 'generating expected image %s' % expected
im.save(actual,opt) im.save(expected,opt)
try: im.save(actual,opt)
expected_bytes = mapnik.Image.open(expected).tostring() try:
except RuntimeError: expected_bytes = mapnik.Image.open(expected).tostring()
# this will happen if libweb is old, since it cannot open images created by more recent webp except RuntimeError:
print 'warning, cannot open webp expected image (your libwebp is likely too old)' # this will happen if libweb is old, since it cannot open images created by more recent webp
continue print 'warning, cannot open webp expected image (your libwebp is likely too old)'
if mapnik.Image.open(actual).tostring() != expected_bytes: continue
fails.append('%s (actual) not == to %s (expected)' % (actual,expected)) if mapnik.Image.open(actual).tostring() != expected_bytes:
fails.append('%s (actual) not == to %s (expected)' % (actual,expected))
for opt in opts: for opt in opts:
im = mapnik.Image(256,256) im = mapnik.Image(256,256)
im.background = mapnik.Color('green') im.background = mapnik.Color('green')
expected = gen_filepath('solid',opt) expected = gen_filepath('solid',opt)
actual = os.path.join(tmp_dir,os.path.basename(expected)) actual = os.path.join(tmp_dir,os.path.basename(expected))
if generate or not os.path.exists(expected): if generate or not os.path.exists(expected):
print 'generating expected image %s' % expected print 'generating expected image %s' % expected
im.save(expected,opt) im.save(expected,opt)
im.save(actual,opt) im.save(actual,opt)
try: try:
expected_bytes = mapnik.Image.open(expected).tostring() expected_bytes = mapnik.Image.open(expected).tostring()
except RuntimeError: except RuntimeError:
# this will happen if libweb is old, since it cannot open images created by more recent webp # this will happen if libweb is old, since it cannot open images created by more recent webp
print 'warning, cannot open webp expected image (your libwebp is likely too old)' print 'warning, cannot open webp expected image (your libwebp is likely too old)'
continue continue
if mapnik.Image.open(actual).tostring() != expected_bytes: if mapnik.Image.open(actual).tostring() != expected_bytes:
fails.append('%s (actual) not == to %s (expected)' % (actual,expected)) fails.append('%s (actual) not == to %s (expected)' % (actual,expected))
for opt in opts: for opt in opts:
im = mapnik.Image.open('images/support/transparency/aerial_rgba.png') im = mapnik.Image.open('images/support/transparency/aerial_rgba.png')
expected = gen_filepath('aerial_rgba',opt) expected = gen_filepath('aerial_rgba',opt)
actual = os.path.join(tmp_dir,os.path.basename(expected)) actual = os.path.join(tmp_dir,os.path.basename(expected))
if generate or not os.path.exists(expected): if generate or not os.path.exists(expected):
print 'generating expected image %s' % expected print 'generating expected image %s' % expected
im.save(expected,opt) im.save(expected,opt)
im.save(actual,opt) im.save(actual,opt)
try: try:
expected_bytes = mapnik.Image.open(expected).tostring() expected_bytes = mapnik.Image.open(expected).tostring()
except RuntimeError: except RuntimeError:
# this will happen if libweb is old, since it cannot open images created by more recent webp # this will happen if libweb is old, since it cannot open images created by more recent webp
print 'warning, cannot open webp expected image (your libwebp is likely too old)' print 'warning, cannot open webp expected image (your libwebp is likely too old)'
continue continue
if mapnik.Image.open(actual).tostring() != expected_bytes: if mapnik.Image.open(actual).tostring() != expected_bytes:
fails.append('%s (actual) not == to %s (expected)' % (actual,expected)) fails.append('%s (actual) not == to %s (expected)' % (actual,expected))
# disabled to avoid failures on ubuntu when using old webp packages # disabled to avoid failures on ubuntu when using old webp packages
#eq_(fails,[],'\n'+'\n'.join(fails)) #eq_(fails,[],'\n'+'\n'.join(fails))
except RuntimeError, e:
print e
def test_transparency_levels(): def test_transparency_levels():
# create partial transparency image
im = mapnik.Image(256,256)
im.background = mapnik.Color('rgba(255,255,255,.5)')
c2 = mapnik.Color('rgba(255,255,0,.2)')
c3 = mapnik.Color('rgb(0,255,255)')
for y in range(0,im.height()/2):
for x in range(0,im.width()/2):
im.set_pixel(x,y,c2)
for y in range(im.height()/2,im.height()):
for x in range(im.width()/2,im.width()):
im.set_pixel(x,y,c3)
t0 = tmp_dir + 'white0-actual.webp'
# octree
format = 'webp'
expected = 'images/support/transparency/white0.webp'
if generate or not os.path.exists(expected):
im.save('images/support/transparency/white0.webp')
im.save(t0,format)
im_in = mapnik.Image.open(t0)
t0_len = len(im_in.tostring(format))
try: try:
expected_bytes = mapnik.Image.open(expected).tostring(format) # create partial transparency image
except RuntimeError: im = mapnik.Image(256,256)
# this will happen if libweb is old, since it cannot open images created by more recent webp im.background = mapnik.Color('rgba(255,255,255,.5)')
print 'warning, cannot open webp expected image (your libwebp is likely too old)' c2 = mapnik.Color('rgba(255,255,0,.2)')
return c3 = mapnik.Color('rgb(0,255,255)')
# disabled to avoid failures on ubuntu when using old webp packages for y in range(0,im.height()/2):
#eq_(t0_len,len(expected_bytes)) for x in range(0,im.width()/2):
im.set_pixel(x,y,c2)
for y in range(im.height()/2,im.height()):
for x in range(im.width()/2,im.width()):
im.set_pixel(x,y,c3)
t0 = tmp_dir + 'white0-actual.webp'
# octree
format = 'webp'
expected = 'images/support/transparency/white0.webp'
if generate or not os.path.exists(expected):
im.save('images/support/transparency/white0.webp')
im.save(t0,format)
im_in = mapnik.Image.open(t0)
t0_len = len(im_in.tostring(format))
try:
expected_bytes = mapnik.Image.open(expected).tostring(format)
except RuntimeError:
# this will happen if libweb is old, since it cannot open images created by more recent webp
print 'warning, cannot open webp expected image (your libwebp is likely too old)'
return
# disabled to avoid failures on ubuntu when using old webp packages
#eq_(t0_len,len(expected_bytes))
except RuntimeError, e:
print e
if __name__ == "__main__": if __name__ == "__main__":