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Merge pull request #607 from hugovk/master

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Fix test coverage
This commit is contained in:
wiredfool 2014-04-08 09:53:04 -07:00
commit b5d0cf5e88
3 changed files with 120 additions and 42 deletions
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59
.gitignore vendored
View File

@ -1,10 +1,56 @@
*.pyc
*.egg-info
build
dist
.tox
# Byte-compiled / optimized / DLL files
__pycache__/
*.py[cod]
# C extensions
*.so
docs/_build
# Distribution / packaging
.Python
env/
bin/
build/
develop-eggs/
dist/
eggs/
lib/
lib64/
parts/
sdist/
var/
*.egg-info/
.installed.cfg
*.egg
# Installer logs
pip-log.txt
pip-delete-this-directory.txt
# Unit test / coverage reports
htmlcov/
.tox/
.coverage
.cache
nosetests.xml
coverage.xml
# Translations
*.mo
# Mr Developer
.mr.developer.cfg
.project
.pydevproject
# Rope
.ropeproject
# Django stuff:
*.log
*.pot
# Sphinx documentation
docs/_build/
# Vim cruft
.*.swp
@ -13,3 +59,4 @@ docs/_build
*~
\#*#
.#*

2
.travis.yml
View File

@ -30,7 +30,7 @@ script:
- python setup.py clean
- python setup.py build_ext --inplace
- coverage run --append --include=PIL/* selftest.py
- coverage run --append --include=PIL/* Tests/run.py
- python Tests/run.py --coverage
after_success:
- coverage report

101
Tests/tester.py
View File

@ -6,15 +6,13 @@ warnings.simplefilter('default')
# temporarily turn off resource warnings that warn about unclosed
# files in the test scripts.
try:
warnings.filterwarnings("ignore", category=ResourceWarning)
warnings.filterwarnings("ignore", category=ResourceWarning)
except NameError:
# we expect a NameError on py2.x, since it doesn't have ResourceWarnings.
pass
# we expect a NameError on py2.x, since it doesn't have ResourceWarnings.
pass
import sys
py3 = (sys.version_info >= (3,0))
py3 = (sys.version_info >= (3, 0))
# some test helpers
@ -22,6 +20,7 @@ _target = None
_tempfiles = []
_logfile = None
def success():
import sys
success.count += 1
@ -29,8 +28,10 @@ def success():
print(sys.argv[0], success.count, failure.count, file=_logfile)
return True
def failure(msg=None, frame=None):
import sys, linecache
import sys
import linecache
failure.count += 1
if _target:
if frame is None:
@ -49,6 +50,7 @@ def failure(msg=None, frame=None):
success.count = failure.count = 0
# predicates
def assert_true(v, msg=None):
@ -57,35 +59,39 @@ def assert_true(v, msg=None):
else:
failure(msg or "got %r, expected true value" % v)
def assert_false(v, msg=None):
if v:
failure(msg or "got %r, expected false value" % v)
else:
success()
def assert_equal(a, b, msg=None):
if a == b:
success()
else:
failure(msg or "got %r, expected %r" % (a, b))
def assert_almost_equal(a, b, msg=None, eps=1e-6):
if abs(a-b) < eps:
success()
else:
failure(msg or "got %r, expected %r" % (a, b))
def assert_deep_equal(a, b, msg=None):
try:
if len(a) == len(b):
if all([x==y for x,y in zip(a,b)]):
if all([x == y for x, y in zip(a, b)]):
success()
else:
failure(msg or "got %s, expected %s" % (a,b))
failure(msg or "got %s, expected %s" % (a, b))
else:
failure(msg or "got length %s, expected %s" % (len(a), len(b)))
failure(msg or "got length %s, expected %s" % (len(a), len(b)))
except:
assert_equal(a,b,msg)
assert_equal(a, b, msg)
def assert_match(v, pattern, msg=None):
@ -95,8 +101,10 @@ def assert_match(v, pattern, msg=None):
else:
failure(msg or "got %r, doesn't match pattern %r" % (v, pattern))
def assert_exception(exc_class, func):
import sys, traceback
import sys
import traceback
try:
func()
except exc_class:
@ -108,8 +116,10 @@ def assert_exception(exc_class, func):
else:
failure("expected %r exception, got no exception" % exc_class.__name__)
def assert_no_exception(func):
import sys, traceback
import sys
import traceback
try:
func()
except:
@ -118,11 +128,14 @@ def assert_no_exception(func):
else:
success()
def assert_warning(warn_class, func):
# note: this assert calls func three times!
import warnings
def warn_error(message, category=UserWarning, **options):
raise category(message)
def warn_ignore(message, category=UserWarning, **options):
pass
warn = warnings.warn
@ -134,22 +147,25 @@ def assert_warning(warn_class, func):
warnings.warn = warn_error
assert_exception(warn_class, func)
finally:
warnings.warn = warn # restore
warnings.warn = warn # restore
return result
# helpers
from io import BytesIO
def fromstring(data):
from PIL import Image
return Image.open(BytesIO(data))
def tostring(im, format, **options):
out = BytesIO()
im.save(out, format, **options)
return out.getvalue()
def lena(mode="RGB", cache={}):
from PIL import Image
im = cache.get(mode)
@ -165,6 +181,7 @@ def lena(mode="RGB", cache={}):
cache[mode] = im
return im
def assert_image(im, mode, size, msg=None):
if mode is not None and im.mode != mode:
failure(msg or "got mode %r, expected %r" % (im.mode, mode))
@ -173,6 +190,7 @@ def assert_image(im, mode, size, msg=None):
else:
success()
def assert_image_equal(a, b, msg=None):
if a.mode != b.mode:
failure(msg or "got mode %r, expected %r" % (a.mode, b.mode))
@ -184,6 +202,7 @@ def assert_image_equal(a, b, msg=None):
else:
success()
def assert_image_similar(a, b, epsilon, msg=None):
epsilon = float(epsilon)
if a.mode != b.mode:
@ -193,19 +212,25 @@ def assert_image_similar(a, b, epsilon, msg=None):
diff = 0
try:
ord(b'0')
for abyte,bbyte in zip(a.tobytes(),b.tobytes()):
for abyte, bbyte in zip(a.tobytes(), b.tobytes()):
diff += abs(ord(abyte)-ord(bbyte))
except:
for abyte,bbyte in zip(a.tobytes(),b.tobytes()):
for abyte, bbyte in zip(a.tobytes(), b.tobytes()):
diff += abs(abyte-bbyte)
ave_diff = float(diff)/(a.size[0]*a.size[1])
if epsilon < ave_diff:
return failure(msg or "average pixel value difference %.4f > epsilon %.4f" %(ave_diff, epsilon))
return failure(
msg or "average pixel value difference %.4f > epsilon %.4f" % (
ave_diff, epsilon))
else:
return success()
def tempfile(template, *extra):
import os, os.path, sys, tempfile
import os
import os.path
import sys
import tempfile
files = []
root = os.path.join(tempfile.gettempdir(), 'pillow-tests')
try:
@ -222,18 +247,20 @@ def tempfile(template, *extra):
_tempfiles.extend(files)
return files[0]
# test runner
def run():
global _target, _tests, run
import sys, traceback
import sys
import traceback
_target = sys.modules["__main__"]
run = None # no need to run twice
run = None # no need to run twice
tests = []
for name, value in list(vars(_target).items()):
if name[:5] == "test_" and type(value) is type(success):
tests.append((value.__code__.co_firstlineno, name, value))
tests.sort() # sort by line
tests.sort() # sort by line
for lineno, name, func in tests:
try:
_tests = []
@ -251,52 +278,56 @@ def run():
sys.argv[0], lineno, v))
failure.count += 1
def yield_test(function, *args):
# collect delayed/generated tests
_tests.append((function, args))
def skip(msg=None):
import os
print("skip")
os._exit(0) # don't run exit handlers
os._exit(0) # don't run exit handlers
def ignore(pattern):
"""Tells the driver to ignore messages matching the pattern, for the
duration of the current test."""
print('ignore: %s' % pattern)
def _setup():
global _logfile
import sys
if "--coverage" in sys.argv:
import coverage
cov = coverage.coverage(auto_data=True, include="PIL/*")
cov.start()
def report():
if run:
run()
if success.count and not failure.count:
print("ok")
# only clean out tempfiles if test passed
import os, os.path, tempfile
import os
import os.path
import tempfile
for file in _tempfiles:
try:
os.remove(file)
except OSError:
pass # report?
pass # report?
temp_root = os.path.join(tempfile.gettempdir(), 'pillow-tests')
try:
os.rmdir(temp_root)
except OSError:
pass
if "--coverage" in sys.argv:
import coverage
coverage.stop()
# The coverage module messes up when used from inside an
# atexit handler. Do an explicit save to make sure that
# we actually flush the coverage cache.
coverage.the_coverage.save()
import atexit, sys
import atexit
atexit.register(report)
if "--coverage" in sys.argv:
import coverage
coverage.start()
if "--log" in sys.argv:
_logfile = open("test.log", "a")