Pillow/Tests/test_file_palm.py

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from .helper import PillowTestCase, hopper, imagemagick_available
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import os.path
class TestFilePalm(PillowTestCase):
_roundtrip = imagemagick_available()
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def helper_save_as_palm(self, mode):
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# Arrange
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im = hopper(mode)
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outfile = self.tempfile("temp_" + mode + ".palm")
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# Act
im.save(outfile)
# Assert
self.assertTrue(os.path.isfile(outfile))
self.assertGreater(os.path.getsize(outfile), 0)
def roundtrip(self, mode):
if not self._roundtrip:
return
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im = hopper(mode)
outfile = self.tempfile("temp.palm")
im.save(outfile)
converted = self.open_withImagemagick(outfile)
self.assert_image_equal(converted, im)
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def test_monochrome(self):
# Arrange
mode = "1"
# Act / Assert
self.helper_save_as_palm(mode)
self.roundtrip(mode)
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def test_p_mode(self):
# Arrange
mode = "P"
# Act / Assert
self.helper_save_as_palm(mode)
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self.skipKnownBadTest("Palm P image is wrong")
self.roundtrip(mode)
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def test_l_ioerror(self):
# Arrange
mode = "L"
# Act / Assert
self.assertRaises(IOError, self.helper_save_as_palm, mode)
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def test_rgb_ioerror(self):
# Arrange
mode = "RGB"
# Act / Assert
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self.assertRaises(IOError, self.helper_save_as_palm, mode)