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.
81 lines
2.5 KiB
Python
81 lines
2.5 KiB
Python
from .helper import unittest, PillowTestCase, hopper
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from PIL import Image, MspImagePlugin
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import os
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TEST_FILE = "Tests/images/hopper.msp"
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EXTRA_DIR = "Tests/images/picins"
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YA_EXTRA_DIR = "Tests/images/msp"
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class TestFileMsp(PillowTestCase):
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def test_sanity(self):
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file = self.tempfile("temp.msp")
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hopper("1").save(file)
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im = Image.open(file)
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im.load()
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self.assertEqual(im.mode, "1")
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self.assertEqual(im.size, (128, 128))
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self.assertEqual(im.format, "MSP")
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def test_invalid_file(self):
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invalid_file = "Tests/images/flower.jpg"
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self.assertRaises(SyntaxError,
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MspImagePlugin.MspImageFile, invalid_file)
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def test_bad_checksum(self):
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# Arrange
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# This was created by forcing Pillow to save with checksum=0
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bad_checksum = "Tests/images/hopper_bad_checksum.msp"
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# Act / Assert
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self.assertRaises(SyntaxError,
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MspImagePlugin.MspImageFile, bad_checksum)
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def test_open_windows_v1(self):
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# Arrange
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# Act
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im = Image.open(TEST_FILE)
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# Assert
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self.assert_image_equal(im, hopper("1"))
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self.assertIsInstance(im, MspImagePlugin.MspImageFile)
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def _assert_file_image_equal(self, source_path, target_path):
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with Image.open(source_path) as im:
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target = Image.open(target_path)
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self.assert_image_equal(im, target)
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@unittest.skipIf(not os.path.exists(EXTRA_DIR),
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"Extra image files not installed")
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def test_open_windows_v2(self):
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files = (os.path.join(EXTRA_DIR, f) for f in os.listdir(EXTRA_DIR)
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if os.path.splitext(f)[1] == '.msp')
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for path in files:
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self._assert_file_image_equal(path,
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path.replace('.msp', '.png'))
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@unittest.skipIf(not os.path.exists(YA_EXTRA_DIR),
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"Even More Extra image files not installed")
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def test_msp_v2(self):
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for f in os.listdir(YA_EXTRA_DIR):
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if '.MSP' not in f:
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continue
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path = os.path.join(YA_EXTRA_DIR, f)
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self._assert_file_image_equal(path,
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path.replace('.MSP', '.png'))
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def test_cannot_save_wrong_mode(self):
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# Arrange
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im = hopper()
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filename = self.tempfile("temp.msp")
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# Act/Assert
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self.assertRaises(IOError, im.save, filename)
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