def test_pilinfo():
buf = io.StringIO()
features.pilinfo(buf)
out = buf.getvalue()
lines = out.splitlines()
assert lines[0] == "-" * 68
assert lines[1].startswith("Pillow ")
assert lines[2].startswith("Python ")
lines = lines[3:]
while lines[0].startswith(" "):
lines = lines[1:]
assert lines[0] == "-" * 68
assert lines[1].startswith("Python modules loaded from ")
assert lines[2].startswith("Binary modules loaded from ")
assert lines[3] == "-" * 68
jpeg = (
"\n"
+ "-" * 68
+ "\n"
+ "JPEG image/jpeg\n"
+ "Extensions: .jfif, .jpe, .jpeg, .jpg\n"
+ "Features: open, save\n"
+ "-" * 68
+ "\n"
)
assert jpeg in out
def pytest_report_header(config):
try:
from PIL import features
with io.StringIO() as out:
features.pilinfo(out=out, supported_formats=False)
return out.getvalue()
except Exception as e:
return f"pytest_report_header failed: {e}"
def test_pilinfo(self):
buf = io.StringIO()
features.pilinfo(buf)
out = buf.getvalue()
lines = out.splitlines()
self.assertEqual(lines[0], "-" * 68)
self.assertTrue(lines[1].startswith("Pillow "))
self.assertEqual(lines[2], "-" * 68)
self.assertTrue(lines[3].startswith("Python modules loaded from "))
self.assertTrue(lines[4].startswith("Binary modules loaded from "))
self.assertEqual(lines[5], "-" * 68)
self.assertTrue(lines[6].startswith("Python "))
jpeg = ("\n" + "-" * 68 + "\n" + "JPEG image/jpeg\n" +
"Extensions: .jfif, .jpe, .jpeg, .jpg\n" +
"Features: open, save\n" + "-" * 68 + "\n")
self.assertIn(jpeg, out)
('F', (128, 128))
PIL can do many other things, but I'll leave that for another
day. If you're curious, check the handbook, available from:
http://www.pythonware.com
Cheers /F
"""
if __name__ == "__main__":
# check build sanity
exit_status = 0
features.pilinfo(sys.stdout, False)
# use doctest to make sure the test program behaves as documented!
import doctest
print("Running selftest:")
status = doctest.testmod(sys.modules[__name__])
if status[0]:
print("*** %s tests of %d failed." % status)
exit_status = 1
else:
print("--- %s tests passed." % status[1])
sys.exit(exit_status)
