mirror of
https://github.com/python-pillow/Pillow.git
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4de5477b61
With the introduction and use of pytest, it is simple and easy to
execute specific tests in isolation through documented command line
arguments. Either by specifying the module path or through the `-k
EXPRESSION` argument. There is no longer any need to provide the
boilerplate:
if __name__ == '__main__':
unittest.main()
To every test file. It is simply noise.
The pattern remains in test files that aren't named with `test_*` as
those files are not discovered and executed by pytest by default.
94 lines
2.9 KiB
Python
94 lines
2.9 KiB
Python
from .helper import PillowTestCase, hopper
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from .test_imageqt import PillowQtTestCase
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from PIL import ImageQt, Image
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if ImageQt.qt_is_installed:
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from PIL.ImageQt import QImage
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try:
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from PyQt5 import QtGui
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from PyQt5.QtWidgets import QWidget, QHBoxLayout, QLabel, QApplication
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QT_VERSION = 5
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except (ImportError, RuntimeError):
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try:
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from PySide2 import QtGui
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from PySide2.QtWidgets import QWidget, QHBoxLayout, QLabel, \
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QApplication
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QT_VERSION = 5
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except (ImportError, RuntimeError):
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try:
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from PyQt4 import QtGui
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from PyQt4.QtGui import QWidget, QHBoxLayout, QLabel, \
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QApplication
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QT_VERSION = 4
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except (ImportError, RuntimeError):
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from PySide import QtGui
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from PySide.QtGui import QWidget, QHBoxLayout, QLabel, \
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QApplication
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QT_VERSION = 4
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class TestToQImage(PillowQtTestCase, PillowTestCase):
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def test_sanity(self):
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for mode in ('RGB', 'RGBA', 'L', 'P', '1'):
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src = hopper(mode)
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data = ImageQt.toqimage(src)
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self.assertIsInstance(data, QImage)
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self.assertFalse(data.isNull())
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# reload directly from the qimage
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rt = ImageQt.fromqimage(data)
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if mode in ('L', 'P', '1'):
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self.assert_image_equal(rt, src.convert('RGB'))
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else:
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self.assert_image_equal(rt, src)
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if mode == '1':
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# BW appears to not save correctly on QT4 and QT5
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# kicks out errors on console:
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# libpng warning: Invalid color type/bit depth combination
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# in IHDR
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# libpng error: Invalid IHDR data
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continue
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# Test saving the file
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tempfile = self.tempfile('temp_{}.png'.format(mode))
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data.save(tempfile)
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# Check that it actually worked.
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reloaded = Image.open(tempfile)
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# Gray images appear to come back in palette mode.
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# They're roughly equivalent
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if QT_VERSION == 4 and mode == 'L':
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src = src.convert('P')
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self.assert_image_equal(reloaded, src)
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def test_segfault(self):
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app = QApplication([])
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ex = Example()
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assert app # Silence warning
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assert ex # Silence warning
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if ImageQt.qt_is_installed:
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class Example(QWidget):
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def __init__(self):
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super(Example, self).__init__()
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img = hopper().resize((1000, 1000))
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qimage = ImageQt.ImageQt(img)
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pixmap1 = QtGui.QPixmap.fromImage(qimage)
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QHBoxLayout(self) # hbox
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lbl = QLabel(self)
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# Segfault in the problem
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lbl.setPixmap(pixmap1.copy())
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