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83 lines
2.4 KiB
Python
83 lines
2.4 KiB
Python
from helper import unittest, PillowTestCase, hopper
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from PIL import Image, ImageFile, 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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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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lambda: 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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lambda: 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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@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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# Arrange
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ImageFile.LOAD_TRUNCATED_IMAGES = True
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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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# Act
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with Image.open(path) as im:
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im.load()
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# Assert
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self.assertEqual(im.mode, "1")
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self.assertGreater(im.size, (360, 332))
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self.assertIsInstance(im, MspImagePlugin.MspImageFile)
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if "mandel" in path:
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self.assertEqual(im.getpixel((0, 0)), 0)
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elif "mexhat" in path:
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self.assertEqual(im.getpixel((0, 0)), 255)
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self.assertEqual(im.getpixel((200, 25)), 255)
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ImageFile.LOAD_TRUNCATED_IMAGES = False
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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, lambda: im.save(filename))
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if __name__ == '__main__':
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unittest.main()
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