Removed PillowTestCase helper class

This commit is contained in:
Andrew Murray 2020-03-28 12:51:28 +11:00
parent a8637449b9
commit b602f365ae
22 changed files with 392 additions and 461 deletions

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@ -1,9 +1,8 @@
import time
import unittest
from PIL import PyAccess
from .helper import PillowTestCase, hopper
from .helper import hopper
# Not running this test by default. No DOS against Travis CI.
@ -41,22 +40,17 @@ def timer(func, label, *args):
)
class BenchCffiAccess(PillowTestCase):
def test_direct(self):
im = hopper()
im.load()
# im = Image.new( "RGB", (2000, 2000), (1, 3, 2))
caccess = im.im.pixel_access(False)
access = PyAccess.new(im, False)
def test_direct():
im = hopper()
im.load()
# im = Image.new( "RGB", (2000, 2000), (1, 3, 2))
caccess = im.im.pixel_access(False)
access = PyAccess.new(im, False)
assert caccess[(0, 0)] == access[(0, 0)]
assert caccess[(0, 0)] == access[(0, 0)]
print("Size: %sx%s" % im.size)
timer(iterate_get, "PyAccess - get", im.size, access)
timer(iterate_set, "PyAccess - set", im.size, access)
timer(iterate_get, "C-api - get", im.size, caccess)
timer(iterate_set, "C-api - set", im.size, caccess)
if __name__ == "__main__":
unittest.main()
print("Size: %sx%s" % im.size)
timer(iterate_get, "PyAccess - get", im.size, access)
timer(iterate_set, "PyAccess - set", im.size, access)
timer(iterate_get, "C-api - get", im.size, caccess)
timer(iterate_set, "C-api - set", im.size, caccess)

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@ -1,19 +1,10 @@
import unittest
from PIL import Image
from .helper import PillowTestCase
TEST_FILE = "Tests/images/fli_overflow.fli"
class TestFliOverflow(PillowTestCase):
def test_fli_overflow(self):
def test_fli_overflow():
# this should not crash with a malloc error or access violation
with Image.open(TEST_FILE) as im:
im.load()
if __name__ == "__main__":
unittest.main()
# this should not crash with a malloc error or access violation
with Image.open(TEST_FILE) as im:
im.load()

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@ -1,46 +1,44 @@
#!/usr/bin/env python
import unittest
import pytest
from PIL import Image
from .helper import PillowTestCase, is_win32
from .helper import is_win32
min_iterations = 100
max_iterations = 10000
@unittest.skipIf(is_win32(), "requires Unix or macOS")
class TestImagingLeaks(PillowTestCase):
def _get_mem_usage(self):
from resource import getpagesize, getrusage, RUSAGE_SELF
mem = getrusage(RUSAGE_SELF).ru_maxrss
return mem * getpagesize() / 1024 / 1024
def _test_leak(self, min_iterations, max_iterations, fn, *args, **kwargs):
mem_limit = None
for i in range(max_iterations):
fn(*args, **kwargs)
mem = self._get_mem_usage()
if i < min_iterations:
mem_limit = mem + 1
continue
msg = "memory usage limit exceeded after %d iterations" % (i + 1)
assert mem <= mem_limit, msg
def test_leak_putdata(self):
im = Image.new("RGB", (25, 25))
self._test_leak(min_iterations, max_iterations, im.putdata, im.getdata())
def test_leak_getlist(self):
im = Image.new("P", (25, 25))
self._test_leak(
min_iterations,
max_iterations,
# Pass a new list at each iteration.
lambda: im.point(range(256)),
)
pytestmark = pytest.mark.skipif(is_win32(), reason="requires Unix or macOS")
if __name__ == "__main__":
unittest.main()
def _get_mem_usage():
from resource import getpagesize, getrusage, RUSAGE_SELF
mem = getrusage(RUSAGE_SELF).ru_maxrss
return mem * getpagesize() / 1024 / 1024
def _test_leak(min_iterations, max_iterations, fn, *args, **kwargs):
mem_limit = None
for i in range(max_iterations):
fn(*args, **kwargs)
mem = _get_mem_usage()
if i < min_iterations:
mem_limit = mem + 1
continue
msg = "memory usage limit exceeded after %d iterations" % (i + 1)
assert mem <= mem_limit, msg
def test_leak_putdata():
im = Image.new("RGB", (25, 25))
_test_leak(min_iterations, max_iterations, im.putdata, im.getdata())
def test_leak_getlist():
im = Image.new("P", (25, 25))
_test_leak(
min_iterations,
max_iterations,
# Pass a new list at each iteration.
lambda: im.point(range(256)),
)

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@ -1,9 +1,9 @@
import unittest
from io import BytesIO
import pytest
from PIL import Image
from .helper import PillowTestCase, is_win32, skip_unless_feature
from .helper import is_win32, skip_unless_feature
# Limits for testing the leak
mem_limit = 1024 * 1048576
@ -11,32 +11,31 @@ stack_size = 8 * 1048576
iterations = int((mem_limit / stack_size) * 2)
test_file = "Tests/images/rgb_trns_ycbc.jp2"
@unittest.skipIf(is_win32(), "requires Unix or macOS")
@skip_unless_feature("jpg_2000")
class TestJpegLeaks(PillowTestCase):
def test_leak_load(self):
from resource import setrlimit, RLIMIT_AS, RLIMIT_STACK
setrlimit(RLIMIT_STACK, (stack_size, stack_size))
setrlimit(RLIMIT_AS, (mem_limit, mem_limit))
for _ in range(iterations):
with Image.open(test_file) as im:
im.load()
def test_leak_save(self):
from resource import setrlimit, RLIMIT_AS, RLIMIT_STACK
setrlimit(RLIMIT_STACK, (stack_size, stack_size))
setrlimit(RLIMIT_AS, (mem_limit, mem_limit))
for _ in range(iterations):
with Image.open(test_file) as im:
im.load()
test_output = BytesIO()
im.save(test_output, "JPEG2000")
test_output.seek(0)
test_output.read()
pytestmark = [
pytest.mark.skipif(is_win32(), reason="requires Unix or macOS"),
skip_unless_feature("jpg_2000"),
]
if __name__ == "__main__":
unittest.main()
def test_leak_load():
from resource import setrlimit, RLIMIT_AS, RLIMIT_STACK
setrlimit(RLIMIT_STACK, (stack_size, stack_size))
setrlimit(RLIMIT_AS, (mem_limit, mem_limit))
for _ in range(iterations):
with Image.open(test_file) as im:
im.load()
def test_leak_save():
from resource import setrlimit, RLIMIT_AS, RLIMIT_STACK
setrlimit(RLIMIT_STACK, (stack_size, stack_size))
setrlimit(RLIMIT_AS, (mem_limit, mem_limit))
for _ in range(iterations):
with Image.open(test_file) as im:
im.load()
test_output = BytesIO()
im.save(test_output, "JPEG2000")
test_output.seek(0)
test_output.read()

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@ -1,18 +1,9 @@
import unittest
import pytest
from PIL import Image
from .helper import PillowTestCase
class TestJ2kEncodeOverflow(PillowTestCase):
def test_j2k_overflow(self):
im = Image.new("RGBA", (1024, 131584))
target = self.tempfile("temp.jpc")
with self.assertRaises(IOError):
im.save(target)
if __name__ == "__main__":
unittest.main()
def test_j2k_overflow(tmp_path):
im = Image.new("RGBA", (1024, 131584))
target = str(tmp_path / "temp.jpc")
with pytest.raises(IOError):
im.save(target)

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@ -1,7 +1,8 @@
import unittest
from io import BytesIO
from .helper import PillowTestCase, hopper, is_win32
import pytest
from .helper import hopper, is_win32
iterations = 5000
@ -15,10 +16,9 @@ valgrind --tool=massif python test-installed.py -s -v Tests/check_jpeg_leaks.py
"""
@unittest.skipIf(is_win32(), "requires Unix or macOS")
class TestJpegLeaks(PillowTestCase):
pytestmark = pytest.mark.skipif(is_win32(), reason="requires Unix or macOS")
"""
"""
pre patch:
MB
@ -74,49 +74,51 @@ post-patch:
"""
def test_qtables_leak(self):
im = hopper("RGB")
standard_l_qtable = [
int(s)
for s in """
16 11 10 16 24 40 51 61
12 12 14 19 26 58 60 55
14 13 16 24 40 57 69 56
14 17 22 29 51 87 80 62
18 22 37 56 68 109 103 77
24 35 55 64 81 104 113 92
49 64 78 87 103 121 120 101
72 92 95 98 112 100 103 99
""".split(
None
)
]
def test_qtables_leak():
im = hopper("RGB")
standard_chrominance_qtable = [
int(s)
for s in """
17 18 24 47 99 99 99 99
18 21 26 66 99 99 99 99
24 26 56 99 99 99 99 99
47 66 99 99 99 99 99 99
99 99 99 99 99 99 99 99
99 99 99 99 99 99 99 99
99 99 99 99 99 99 99 99
99 99 99 99 99 99 99 99
""".split(
None
)
]
standard_l_qtable = [
int(s)
for s in """
16 11 10 16 24 40 51 61
12 12 14 19 26 58 60 55
14 13 16 24 40 57 69 56
14 17 22 29 51 87 80 62
18 22 37 56 68 109 103 77
24 35 55 64 81 104 113 92
49 64 78 87 103 121 120 101
72 92 95 98 112 100 103 99
""".split(
None
)
]
qtables = [standard_l_qtable, standard_chrominance_qtable]
standard_chrominance_qtable = [
int(s)
for s in """
17 18 24 47 99 99 99 99
18 21 26 66 99 99 99 99
24 26 56 99 99 99 99 99
47 66 99 99 99 99 99 99
99 99 99 99 99 99 99 99
99 99 99 99 99 99 99 99
99 99 99 99 99 99 99 99
99 99 99 99 99 99 99 99
""".split(
None
)
]
for _ in range(iterations):
test_output = BytesIO()
im.save(test_output, "JPEG", qtables=qtables)
qtables = [standard_l_qtable, standard_chrominance_qtable]
def test_exif_leak(self):
"""
for _ in range(iterations):
test_output = BytesIO()
im.save(test_output, "JPEG", qtables=qtables)
def test_exif_leak():
"""
pre patch:
MB
@ -171,15 +173,16 @@ post patch:
0 11.33
"""
im = hopper("RGB")
exif = b"12345678" * 4096
im = hopper("RGB")
exif = b"12345678" * 4096
for _ in range(iterations):
test_output = BytesIO()
im.save(test_output, "JPEG", exif=exif)
for _ in range(iterations):
test_output = BytesIO()
im.save(test_output, "JPEG", exif=exif)
def test_base_save(self):
"""
def test_base_save():
"""
base case:
MB
20.99^ ::::: :::::::::::::::::::::::::::::::::::::::::::@:::
@ -205,12 +208,8 @@ base case:
0 +----------------------------------------------------------------------->Gi
0 7.882
"""
im = hopper("RGB")
im = hopper("RGB")
for _ in range(iterations):
test_output = BytesIO()
im.save(test_output, "JPEG")
if __name__ == "__main__":
unittest.main()
for _ in range(iterations):
test_output = BytesIO()
im.save(test_output, "JPEG")

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@ -1,10 +1,8 @@
import sys
import unittest
import pytest
from PIL import Image
from .helper import PillowTestCase
# This test is not run automatically.
#
# It requires > 2gb memory for the >2 gigapixel image generated in the
@ -24,26 +22,26 @@ YDIM = 32769
XDIM = 48000
@unittest.skipIf(sys.maxsize <= 2 ** 32, "requires 64-bit system")
class LargeMemoryTest(PillowTestCase):
def _write_png(self, xdim, ydim):
f = self.tempfile("temp.png")
im = Image.new("L", (xdim, ydim), 0)
im.save(f)
def test_large(self):
""" succeeded prepatch"""
self._write_png(XDIM, YDIM)
def test_2gpx(self):
"""failed prepatch"""
self._write_png(XDIM, XDIM)
@unittest.skipIf(numpy is None, "Numpy is not installed")
def test_size_greater_than_int(self):
arr = numpy.ndarray(shape=(16394, 16394))
Image.fromarray(arr)
pytestmark = pytest.mark.skipif(sys.maxsize <= 2 ** 32, reason="requires 64-bit system")
if __name__ == "__main__":
unittest.main()
def _write_png(tmp_path, xdim, ydim):
f = str(tmp_path / "temp.png")
im = Image.new("L", (xdim, ydim), 0)
im.save(f)
def test_large(tmp_path):
""" succeeded prepatch"""
_write_png(tmp_path, XDIM, YDIM)
def test_2gpx(tmp_path):
"""failed prepatch"""
_write_png(tmp_path, XDIM, XDIM)
@pytest.mark.skipif(numpy is None, reason="Numpy is not installed")
def test_size_greater_than_int():
arr = numpy.ndarray(shape=(16394, 16394))
Image.fromarray(arr)

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@ -1,10 +1,8 @@
import sys
import unittest
import pytest
from PIL import Image
from .helper import PillowTestCase
# This test is not run automatically.
#
# It requires > 2gb memory for the >2 gigapixel image generated in the
@ -14,32 +12,28 @@ from .helper import PillowTestCase
# Raspberry Pis).
try:
import numpy as np
except ImportError:
raise unittest.SkipTest("numpy not installed")
np = pytest.importorskip("numpy", reason="NumPy not installed")
YDIM = 32769
XDIM = 48000
@unittest.skipIf(sys.maxsize <= 2 ** 32, "requires 64-bit system")
class LargeMemoryNumpyTest(PillowTestCase):
def _write_png(self, xdim, ydim):
dtype = np.uint8
a = np.zeros((xdim, ydim), dtype=dtype)
f = self.tempfile("temp.png")
im = Image.fromarray(a, "L")
im.save(f)
def test_large(self):
""" succeeded prepatch"""
self._write_png(XDIM, YDIM)
def test_2gpx(self):
"""failed prepatch"""
self._write_png(XDIM, XDIM)
pytestmark = pytest.mark.skipif(sys.maxsize <= 2 ** 32, reason="requires 64-bit system")
if __name__ == "__main__":
unittest.main()
def _write_png(tmp_path, xdim, ydim):
dtype = np.uint8
a = np.zeros((xdim, ydim), dtype=dtype)
f = str(tmp_path / "temp.png")
im = Image.fromarray(a, "L")
im.save(f)
def test_large(tmp_path):
""" succeeded prepatch"""
_write_png(tmp_path, XDIM, YDIM)
def test_2gpx(tmp_path):
"""failed prepatch"""
_write_png(tmp_path, XDIM, XDIM)

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@ -1,23 +1,14 @@
import unittest
import pytest
from PIL import Image
from .helper import PillowTestCase
TEST_FILE = "Tests/images/libtiff_segfault.tif"
class TestLibtiffSegfault(PillowTestCase):
def test_segfault(self):
""" This test should not segfault. It will on Pillow <= 3.1.0 and
libtiff >= 4.0.0
"""
def test_libtiff_segfault():
""" This test should not segfault. It will on Pillow <= 3.1.0 and
libtiff >= 4.0.0
"""
with pytest.raises(IOError):
with Image.open(TEST_FILE) as im:
im.load()
if __name__ == "__main__":
unittest.main()
with pytest.raises(IOError):
with Image.open(TEST_FILE) as im:
im.load()

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@ -1,67 +1,61 @@
import unittest
import zlib
from io import BytesIO
from PIL import Image, ImageFile, PngImagePlugin
from .helper import PillowTestCase
TEST_FILE = "Tests/images/png_decompression_dos.png"
class TestPngDos(PillowTestCase):
def test_ignore_dos_text(self):
ImageFile.LOAD_TRUNCATED_IMAGES = True
def test_ignore_dos_text():
ImageFile.LOAD_TRUNCATED_IMAGES = True
try:
im = Image.open(TEST_FILE)
im.load()
finally:
ImageFile.LOAD_TRUNCATED_IMAGES = False
try:
im = Image.open(TEST_FILE)
im.load()
finally:
ImageFile.LOAD_TRUNCATED_IMAGES = False
for s in im.text.values():
assert len(s) < 1024 * 1024, "Text chunk larger than 1M"
for s in im.text.values():
assert len(s) < 1024 * 1024, "Text chunk larger than 1M"
for s in im.info.values():
assert len(s) < 1024 * 1024, "Text chunk larger than 1M"
def test_dos_text(self):
try:
im = Image.open(TEST_FILE)
im.load()
except ValueError as msg:
assert msg, "Decompressed Data Too Large"
return
for s in im.text.values():
assert len(s) < 1024 * 1024, "Text chunk larger than 1M"
def test_dos_total_memory(self):
im = Image.new("L", (1, 1))
compressed_data = zlib.compress(b"a" * 1024 * 1023)
info = PngImagePlugin.PngInfo()
for x in range(64):
info.add_text("t%s" % x, compressed_data, zip=True)
info.add_itxt("i%s" % x, compressed_data, zip=True)
b = BytesIO()
im.save(b, "PNG", pnginfo=info)
b.seek(0)
try:
im2 = Image.open(b)
except ValueError as msg:
assert "Too much memory" in msg
return
total_len = 0
for txt in im2.text.values():
total_len += len(txt)
assert total_len < 64 * 1024 * 1024, "Total text chunks greater than 64M"
for s in im.info.values():
assert len(s) < 1024 * 1024, "Text chunk larger than 1M"
if __name__ == "__main__":
unittest.main()
def test_dos_text():
try:
im = Image.open(TEST_FILE)
im.load()
except ValueError as msg:
assert msg, "Decompressed Data Too Large"
return
for s in im.text.values():
assert len(s) < 1024 * 1024, "Text chunk larger than 1M"
def test_dos_total_memory():
im = Image.new("L", (1, 1))
compressed_data = zlib.compress(b"a" * 1024 * 1023)
info = PngImagePlugin.PngInfo()
for x in range(64):
info.add_text("t%s" % x, compressed_data, zip=True)
info.add_itxt("i%s" % x, compressed_data, zip=True)
b = BytesIO()
im.save(b, "PNG", pnginfo=info)
b.seek(0)
try:
im2 = Image.open(b)
except ValueError as msg:
assert "Too much memory" in msg
return
total_len = 0
for txt in im2.text.values():
total_len += len(txt)
assert total_len < 64 * 1024 * 1024, "Total text chunks greater than 64M"

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@ -7,7 +7,6 @@ import os
import shutil
import sys
import tempfile
import unittest
from io import BytesIO
import pytest
@ -176,22 +175,6 @@ def skip_unless_feature(feature):
return pytest.mark.skipif(not features.check(feature), reason=reason)
class PillowTestCase(unittest.TestCase):
def delete_tempfile(self, path):
try:
os.remove(path)
except OSError:
pass # report?
def tempfile(self, template):
assert template[:5] in ("temp.", "temp_")
fd, path = tempfile.mkstemp(template[4:], template[:4])
os.close(fd)
self.addCleanup(self.delete_tempfile, path)
return path
@pytest.mark.skipif(sys.platform.startswith("win32"), reason="Requires Unix or macOS")
class PillowLeakTestCase:
# requires unix/macOS

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@ -1,15 +1,16 @@
import pytest
from PIL import Image
from .helper import PillowTestCase, hopper
from .helper import hopper
TEST_FILE = "Tests/images/hopper.ppm"
ORIGINAL_LIMIT = Image.MAX_IMAGE_PIXELS
class TestDecompressionBomb(PillowTestCase):
def tearDown(self):
class TestDecompressionBomb:
@classmethod
def teardown_class(self):
Image.MAX_IMAGE_PIXELS = ORIGINAL_LIMIT
def test_no_warning_small_file(self):
@ -59,12 +60,14 @@ class TestDecompressionBomb(PillowTestCase):
Image.open("Tests/images/decompression_bomb.gif")
class TestDecompressionCrop(PillowTestCase):
def setUp(self):
class TestDecompressionCrop:
@classmethod
def setup_class(self):
width, height = 128, 128
Image.MAX_IMAGE_PIXELS = height * width * 4 - 1
def tearDown(self):
@classmethod
def teardown_class(self):
Image.MAX_IMAGE_PIXELS = ORIGINAL_LIMIT
def testEnlargeCrop(self):

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@ -1,74 +1,77 @@
import pytest
from PIL import Image, WmfImagePlugin
from .helper import PillowTestCase, assert_image_similar, hopper
from .helper import assert_image_similar, hopper
class TestFileWmf(PillowTestCase):
def test_load_raw(self):
def test_load_raw():
# Test basic EMF open and rendering
with Image.open("Tests/images/drawing.emf") as im:
if hasattr(Image.core, "drawwmf"):
# Currently, support for WMF/EMF is Windows-only
im.load()
# Compare to reference rendering
with Image.open("Tests/images/drawing_emf_ref.png") as imref:
imref.load()
assert_image_similar(im, imref, 0)
# Test basic EMF open and rendering
with Image.open("Tests/images/drawing.emf") as im:
if hasattr(Image.core, "drawwmf"):
# Currently, support for WMF/EMF is Windows-only
im.load()
# Compare to reference rendering
with Image.open("Tests/images/drawing_emf_ref.png") as imref:
imref.load()
assert_image_similar(im, imref, 0)
# Test basic WMF open and rendering
with Image.open("Tests/images/drawing.wmf") as im:
if hasattr(Image.core, "drawwmf"):
# Currently, support for WMF/EMF is Windows-only
im.load()
# Compare to reference rendering
with Image.open("Tests/images/drawing_wmf_ref.png") as imref:
imref.load()
assert_image_similar(im, imref, 2.0)
# Test basic WMF open and rendering
with Image.open("Tests/images/drawing.wmf") as im:
if hasattr(Image.core, "drawwmf"):
# Currently, support for WMF/EMF is Windows-only
im.load()
# Compare to reference rendering
with Image.open("Tests/images/drawing_wmf_ref.png") as imref:
imref.load()
assert_image_similar(im, imref, 2.0)
def test_register_handler(self):
class TestHandler:
methodCalled = False
def save(self, im, fp, filename):
self.methodCalled = True
def test_register_handler(tmp_path):
class TestHandler:
methodCalled = False
handler = TestHandler()
WmfImagePlugin.register_handler(handler)
def save(self, im, fp, filename):
self.methodCalled = True
im = hopper()
tmpfile = self.tempfile("temp.wmf")
im.save(tmpfile)
assert handler.methodCalled
handler = TestHandler()
WmfImagePlugin.register_handler(handler)
# Restore the state before this test
WmfImagePlugin.register_handler(None)
im = hopper()
tmpfile = str(tmp_path / "temp.wmf")
im.save(tmpfile)
assert handler.methodCalled
def test_load_dpi_rounding(self):
# Round up
with Image.open("Tests/images/drawing.emf") as im:
assert im.info["dpi"] == 1424
# Restore the state before this test
WmfImagePlugin.register_handler(None)
# Round down
with Image.open("Tests/images/drawing_roundDown.emf") as im:
assert im.info["dpi"] == 1426
def test_load_set_dpi(self):
with Image.open("Tests/images/drawing.wmf") as im:
assert im.size == (82, 82)
def test_load_dpi_rounding():
# Round up
with Image.open("Tests/images/drawing.emf") as im:
assert im.info["dpi"] == 1424
if hasattr(Image.core, "drawwmf"):
im.load(144)
assert im.size == (164, 164)
# Round down
with Image.open("Tests/images/drawing_roundDown.emf") as im:
assert im.info["dpi"] == 1426
with Image.open("Tests/images/drawing_wmf_ref_144.png") as expected:
assert_image_similar(im, expected, 2.0)
def test_save(self):
im = hopper()
def test_load_set_dpi():
with Image.open("Tests/images/drawing.wmf") as im:
assert im.size == (82, 82)
for ext in [".wmf", ".emf"]:
tmpfile = self.tempfile("temp" + ext)
with pytest.raises(IOError):
im.save(tmpfile)
if hasattr(Image.core, "drawwmf"):
im.load(144)
assert im.size == (164, 164)
with Image.open("Tests/images/drawing_wmf_ref_144.png") as expected:
assert_image_similar(im, expected, 2.0)
def test_save(tmp_path):
im = hopper()
for ext in [".wmf", ".emf"]:
tmpfile = str(tmp_path / ("temp" + ext))
with pytest.raises(IOError):
im.save(tmpfile)

View File

@ -1,12 +1,9 @@
import os
import pytest
from PIL import FontFile, Image, ImageDraw, ImageFont, PcfFontFile
from .helper import (
assert_image_equal,
assert_image_similar,
skip_unless_feature,
)
from .helper import assert_image_equal, assert_image_similar, skip_unless_feature
fontname = "Tests/fonts/10x20-ISO8859-1.pcf"

View File

@ -2,10 +2,10 @@ import pytest
from PIL import Image, ImageQt
from .helper import assert_image_equal, hopper
from .test_imageqt import skip_if_qt_is_not_installed
pytestmark = skip_if_qt_is_not_installed()
pytestmark = pytest.mark.skipif(
not ImageQt.qt_is_installed, reason="Qt bindings are not installed"
)
@pytest.fixture
@ -18,7 +18,7 @@ def test_images():
try:
yield ims
finally:
for im in ims.values():
for im in ims:
im.close()

View File

@ -1,9 +1,9 @@
from PIL import Image
from .helper import PillowTestCase, assert_image_equal, cached_property
from .helper import assert_image_equal, cached_property
class TestImagingPaste(PillowTestCase):
class TestImagingPaste:
masks = {}
size = 128

View File

@ -6,10 +6,10 @@ from itertools import permutations
import pytest
from PIL import Image
from .helper import PillowTestCase, assert_image_equal, assert_image_similar, hopper
from .helper import assert_image_equal, assert_image_similar, hopper
class TestImagingCoreResize(PillowTestCase):
class TestImagingCoreResize:
def resize(self, im, size, f):
# Image class independent version of resize.
im.load()
@ -135,31 +135,36 @@ class TestImagingCoreResize(PillowTestCase):
self.resize(hopper(), (10, 10), 9)
class TestReducingGapResize(PillowTestCase):
@classmethod
def setUpClass(cls):
cls.gradients_image = Image.open("Tests/images/radial_gradients.png")
cls.gradients_image.load()
@pytest.fixture
def gradients_image():
im = Image.open("Tests/images/radial_gradients.png")
im.load()
try:
yield im
finally:
im.close()
def test_reducing_gap_values(self):
ref = self.gradients_image.resize((52, 34), Image.BICUBIC, reducing_gap=None)
im = self.gradients_image.resize((52, 34), Image.BICUBIC)
class TestReducingGapResize:
def test_reducing_gap_values(self, gradients_image):
ref = gradients_image.resize((52, 34), Image.BICUBIC, reducing_gap=None)
im = gradients_image.resize((52, 34), Image.BICUBIC)
assert_image_equal(ref, im)
with pytest.raises(ValueError):
self.gradients_image.resize((52, 34), Image.BICUBIC, reducing_gap=0)
gradients_image.resize((52, 34), Image.BICUBIC, reducing_gap=0)
with pytest.raises(ValueError):
self.gradients_image.resize((52, 34), Image.BICUBIC, reducing_gap=0.99)
gradients_image.resize((52, 34), Image.BICUBIC, reducing_gap=0.99)
def test_reducing_gap_1(self):
def test_reducing_gap_1(self, gradients_image):
for box, epsilon in [
(None, 4),
((1.1, 2.2, 510.8, 510.9), 4),
((3, 10, 410, 256), 10),
]:
ref = self.gradients_image.resize((52, 34), Image.BICUBIC, box=box)
im = self.gradients_image.resize(
ref = gradients_image.resize((52, 34), Image.BICUBIC, box=box)
im = gradients_image.resize(
(52, 34), Image.BICUBIC, box=box, reducing_gap=1.0
)
@ -168,14 +173,14 @@ class TestReducingGapResize(PillowTestCase):
assert_image_similar(ref, im, epsilon)
def test_reducing_gap_2(self):
def test_reducing_gap_2(self, gradients_image):
for box, epsilon in [
(None, 1.5),
((1.1, 2.2, 510.8, 510.9), 1.5),
((3, 10, 410, 256), 1),
]:
ref = self.gradients_image.resize((52, 34), Image.BICUBIC, box=box)
im = self.gradients_image.resize(
ref = gradients_image.resize((52, 34), Image.BICUBIC, box=box)
im = gradients_image.resize(
(52, 34), Image.BICUBIC, box=box, reducing_gap=2.0
)
@ -184,14 +189,14 @@ class TestReducingGapResize(PillowTestCase):
assert_image_similar(ref, im, epsilon)
def test_reducing_gap_3(self):
def test_reducing_gap_3(self, gradients_image):
for box, epsilon in [
(None, 1),
((1.1, 2.2, 510.8, 510.9), 1),
((3, 10, 410, 256), 0.5),
]:
ref = self.gradients_image.resize((52, 34), Image.BICUBIC, box=box)
im = self.gradients_image.resize(
ref = gradients_image.resize((52, 34), Image.BICUBIC, box=box)
im = gradients_image.resize(
(52, 34), Image.BICUBIC, box=box, reducing_gap=3.0
)
@ -200,29 +205,27 @@ class TestReducingGapResize(PillowTestCase):
assert_image_similar(ref, im, epsilon)
def test_reducing_gap_8(self):
def test_reducing_gap_8(self, gradients_image):
for box in [None, (1.1, 2.2, 510.8, 510.9), (3, 10, 410, 256)]:
ref = self.gradients_image.resize((52, 34), Image.BICUBIC, box=box)
im = self.gradients_image.resize(
ref = gradients_image.resize((52, 34), Image.BICUBIC, box=box)
im = gradients_image.resize(
(52, 34), Image.BICUBIC, box=box, reducing_gap=8.0
)
assert_image_equal(ref, im)
def test_box_filter(self):
def test_box_filter(self, gradients_image):
for box, epsilon in [
((0, 0, 512, 512), 5.5),
((0.9, 1.7, 128, 128), 9.5),
]:
ref = self.gradients_image.resize((52, 34), Image.BOX, box=box)
im = self.gradients_image.resize(
(52, 34), Image.BOX, box=box, reducing_gap=1.0
)
ref = gradients_image.resize((52, 34), Image.BOX, box=box)
im = gradients_image.resize((52, 34), Image.BOX, box=box, reducing_gap=1.0)
assert_image_similar(ref, im, epsilon)
class TestImageResize(PillowTestCase):
class TestImageResize:
def test_resize(self):
def resize(mode, size):
out = hopper(mode).resize(size)

View File

@ -10,7 +10,6 @@ import pytest
from PIL import Image, ImageDraw, ImageFont
from .helper import (
PillowTestCase,
assert_image_equal,
assert_image_similar,
assert_image_similar_tofile,
@ -25,8 +24,10 @@ FONT_SIZE = 20
TEST_TEXT = "hey you\nyou are awesome\nthis looks awkward"
@skip_unless_feature("freetype2")
class TestImageFont(PillowTestCase):
pytestmark = skip_unless_feature("freetype2")
class TestImageFont:
LAYOUT_ENGINE = ImageFont.LAYOUT_BASIC
# Freetype has different metrics depending on the version.
@ -37,7 +38,8 @@ class TestImageFont(PillowTestCase):
"Default": {"multiline": 0.5, "textsize": 0.5, "getters": (12, 16)},
}
def setUp(self):
@classmethod
def setup_class(self):
freetype = distutils.version.StrictVersion(ImageFont.core.freetype2_version)
self.metrics = self.METRICS["Default"]
@ -107,12 +109,12 @@ class TestImageFont(PillowTestCase):
with open(FONT_PATH, "rb") as f:
self._render(f)
def test_non_unicode_path(self):
def test_non_unicode_path(self, tmp_path):
tempfile = str(tmp_path / ("temp_" + chr(128) + ".ttf"))
try:
tempfile = self.tempfile("temp_" + chr(128) + ".ttf")
shutil.copy(FONT_PATH, tempfile)
except UnicodeEncodeError:
self.skipTest("Unicode path could not be created")
shutil.copy(FONT_PATH, tempfile)
pytest.skip("Unicode path could not be created")
ImageFont.truetype(tempfile, FONT_SIZE)

View File

@ -6,11 +6,11 @@ from .helper import hopper
if ImageQt.qt_is_installed:
from PIL.ImageQt import qRgba
def skip_if_qt_is_not_installed():
pass
@pytest.fixture
def qpixmap_app():
@pytest.mark.skipif(not ImageQt.qt_is_installed, reason="Qt bindings are not installed")
class PillowQPixmapTestCase:
@classmethod
def setup_class(self):
try:
if ImageQt.qt_version == "5":
from PyQt5.QtGui import QGuiApplication
@ -20,22 +20,15 @@ if ImageQt.qt_is_installed:
pytest.skip("QGuiApplication not installed")
return
app = QGuiApplication([])
try:
yield
finally:
app.quit()
else:
def skip_if_qt_is_not_installed():
return pytest.mark.skip(reason="Qt bindings are not installed")
pytestmark = skip_if_qt_is_not_installed()
self.app = QGuiApplication([])
@classmethod
def teardown_class(self):
self.app.quit()
self.app = None
@pytest.mark.skipif(not ImageQt.qt_is_installed, reason="Qt bindings are not installed")
def test_rgb():
# from https://doc.qt.io/archives/qt-4.8/qcolor.html
# typedef QRgb
@ -61,6 +54,7 @@ def test_rgb():
checkrgb(0, 0, 255)
@pytest.mark.skipif(not ImageQt.qt_is_installed, reason="Qt bindings are not installed")
def test_image():
for mode in ("1", "RGB", "RGBA", "L", "P"):
ImageQt.ImageQt(hopper(mode))

View File

@ -1,18 +1,15 @@
import pytest
from PIL import ImageQt
from .helper import assert_image_equal, hopper
from .test_imageqt import qpixmap_app, skip_if_qt_is_not_installed
pytestmark = skip_if_qt_is_not_installed()
from .test_imageqt import PillowQPixmapTestCase
def roundtrip(expected):
result = ImageQt.fromqpixmap(ImageQt.toqpixmap(expected))
# Qt saves all pixmaps as rgb
assert_image_equal(result, expected.convert("RGB"))
class TestFromQPixmap(PillowQPixmapTestCase):
def roundtrip(self, expected):
result = ImageQt.fromqpixmap(ImageQt.toqpixmap(expected))
# Qt saves all pixmaps as rgb
assert_image_equal(result, expected.convert("RGB"))
def test_sanity(qpixmap_app):
for mode in ("1", "RGB", "RGBA", "L", "P"):
roundtrip(hopper(mode))
def test_sanity(self):
for mode in ("1", "RGB", "RGBA", "L", "P"):
self.roundtrip(hopper(mode))

View File

@ -1,9 +1,11 @@
import pytest
from PIL import Image, ImageQt
from .helper import assert_image_equal, hopper
from .test_imageqt import skip_if_qt_is_not_installed
pytestmark = skip_if_qt_is_not_installed()
pytestmark = pytest.mark.skipif(
not ImageQt.qt_is_installed, reason="Qt bindings are not installed"
)
if ImageQt.qt_is_installed:
from PIL.ImageQt import QImage

View File

@ -1,22 +1,20 @@
import pytest
from PIL import ImageQt
from .helper import hopper
from .test_imageqt import qpixmap_app, skip_if_qt_is_not_installed
from .test_imageqt import PillowQPixmapTestCase
if ImageQt.qt_is_installed:
from PIL.ImageQt import QPixmap
pytestmark = skip_if_qt_is_not_installed()
class TestToQPixmap(PillowQPixmapTestCase):
def test_sanity(self, tmp_path):
for mode in ("1", "RGB", "RGBA", "L", "P"):
data = ImageQt.toqpixmap(hopper(mode))
def test_sanity(qpixmap, tmp_path):
for mode in ("1", "RGB", "RGBA", "L", "P"):
data = ImageQt.toqpixmap(hopper(mode))
assert isinstance(data, QPixmap)
assert not data.isNull()
assert isinstance(data, QPixmap)
assert not data.isNull()
# Test saving the file
tempfile = str(tmp_path / "temp_{}.png".format(mode))
data.save(tempfile)
# Test saving the file
tempfile = str(tmp_path / "temp_{}.png".format(mode))
data.save(tempfile)