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33dabf986f
The unittest in helper.py has not offered an interesting abstraction
since dbe9f85c7d so import from the more
typical stdlib location.
80 lines
2.3 KiB
Python
80 lines
2.3 KiB
Python
import os
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import unittest
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from PIL import Image, MspImagePlugin
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from .helper import PillowTestCase, hopper
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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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test_file = self.tempfile("temp.msp")
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hopper("1").save(test_file)
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im = Image.open(test_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, 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, 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), "Extra image files not installed")
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def test_open_windows_v2(self):
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files = (
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os.path.join(EXTRA_DIR, f)
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for f in os.listdir(EXTRA_DIR)
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if os.path.splitext(f)[1] == ".msp"
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)
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for path in files:
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self._assert_file_image_equal(path, path.replace(".msp", ".png"))
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@unittest.skipIf(
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not os.path.exists(YA_EXTRA_DIR), "Even More Extra image files not installed"
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)
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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, 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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