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84 lines
2.6 KiB
Python
84 lines
2.6 KiB
Python
from helper import unittest, PillowTestCase, hopper
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import io
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from PIL import Image, IcoImagePlugin
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TEST_ICO_FILE = "Tests/images/hopper.ico"
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class TestFileIco(PillowTestCase):
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def test_sanity(self):
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im = Image.open(TEST_ICO_FILE)
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im.load()
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self.assertEqual(im.mode, "RGBA")
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self.assertEqual(im.size, (16, 16))
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self.assertEqual(im.format, "ICO")
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def test_invalid_file(self):
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with open("Tests/images/flower.jpg", "rb") as fp:
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self.assertRaises(SyntaxError,
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lambda: IcoImagePlugin.IcoImageFile(fp))
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def test_save_to_bytes(self):
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output = io.BytesIO()
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im = hopper()
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im.save(output, "ico", sizes=[(32, 32), (64, 64)])
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# the default image
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output.seek(0)
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reloaded = Image.open(output)
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self.assertEqual(reloaded.info['sizes'], set([(32, 32), (64, 64)]))
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self.assertEqual(im.mode, reloaded.mode)
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self.assertEqual((64, 64), reloaded.size)
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self.assertEqual(reloaded.format, "ICO")
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self.assert_image_equal(reloaded,
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hopper().resize((64, 64), Image.LANCZOS))
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# the other one
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output.seek(0)
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reloaded = Image.open(output)
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reloaded.size = (32, 32)
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self.assertEqual(im.mode, reloaded.mode)
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self.assertEqual((32, 32), reloaded.size)
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self.assertEqual(reloaded.format, "ICO")
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self.assert_image_equal(reloaded,
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hopper().resize((32, 32), Image.LANCZOS))
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def test_save_256x256(self):
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"""Issue #2264 https://github.com/python-pillow/Pillow/issues/2264"""
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# Arrange
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im = Image.open("Tests/images/hopper_256x256.ico")
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outfile = self.tempfile("temp_saved_hopper_256x256.ico")
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# Act
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im.save(outfile)
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im_saved = Image.open(outfile)
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# Assert
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self.assertEqual(im_saved.size, (256, 256))
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def test_only_save_relevant_sizes(self):
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"""Issue #2266 https://github.com/python-pillow/Pillow/issues/2266
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Should save in 16x16, 24x24, 32x32, 48x48 sizes
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and not in 16x16, 24x24, 32x32, 48x48, 48x48, 48x48, 48x48 sizes
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"""
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# Arrange
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im = Image.open("Tests/images/python.ico") # 16x16, 32x32, 48x48
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outfile = self.tempfile("temp_saved_python.ico")
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# Act
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im.save(outfile)
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im_saved = Image.open(outfile)
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# Assert
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self.assertEqual(
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im_saved.info['sizes'],
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set([(16, 16), (24, 24), (32, 32), (48, 48)]))
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if __name__ == '__main__':
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unittest.main()
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