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118 lines
3.3 KiB
Python
118 lines
3.3 KiB
Python
import unittest
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import pytest
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from PIL import FliImagePlugin, Image
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from .helper import PillowTestCase, assert_image_equal, is_pypy
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# created as an export of a palette image from Gimp2.6
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# save as...-> hopper.fli, default options.
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static_test_file = "Tests/images/hopper.fli"
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# From https://samples.libav.org/fli-flc/
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animated_test_file = "Tests/images/a.fli"
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class TestFileFli(PillowTestCase):
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def test_sanity(self):
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with Image.open(static_test_file) as im:
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im.load()
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self.assertEqual(im.mode, "P")
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self.assertEqual(im.size, (128, 128))
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self.assertEqual(im.format, "FLI")
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self.assertFalse(im.is_animated)
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with Image.open(animated_test_file) as im:
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self.assertEqual(im.mode, "P")
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self.assertEqual(im.size, (320, 200))
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self.assertEqual(im.format, "FLI")
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self.assertEqual(im.info["duration"], 71)
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self.assertTrue(im.is_animated)
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@unittest.skipIf(is_pypy(), "Requires CPython")
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def test_unclosed_file(self):
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def open():
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im = Image.open(static_test_file)
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im.load()
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pytest.warns(ResourceWarning, open)
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def test_closed_file(self):
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def open():
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im = Image.open(static_test_file)
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im.load()
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im.close()
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pytest.warns(None, open)
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def test_context_manager(self):
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def open():
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with Image.open(static_test_file) as im:
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im.load()
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pytest.warns(None, open)
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def test_tell(self):
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# Arrange
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with Image.open(static_test_file) as im:
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# Act
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frame = im.tell()
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# Assert
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self.assertEqual(frame, 0)
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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, FliImagePlugin.FliImageFile, invalid_file)
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def test_n_frames(self):
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with Image.open(static_test_file) as im:
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self.assertEqual(im.n_frames, 1)
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self.assertFalse(im.is_animated)
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with Image.open(animated_test_file) as im:
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self.assertEqual(im.n_frames, 384)
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self.assertTrue(im.is_animated)
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def test_eoferror(self):
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with Image.open(animated_test_file) as im:
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n_frames = im.n_frames
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# Test seeking past the last frame
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self.assertRaises(EOFError, im.seek, n_frames)
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self.assertLess(im.tell(), n_frames)
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# Test that seeking to the last frame does not raise an error
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im.seek(n_frames - 1)
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def test_seek_tell(self):
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with Image.open(animated_test_file) as im:
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layer_number = im.tell()
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self.assertEqual(layer_number, 0)
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im.seek(0)
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layer_number = im.tell()
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self.assertEqual(layer_number, 0)
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im.seek(1)
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layer_number = im.tell()
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self.assertEqual(layer_number, 1)
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im.seek(2)
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layer_number = im.tell()
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self.assertEqual(layer_number, 2)
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im.seek(1)
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layer_number = im.tell()
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self.assertEqual(layer_number, 1)
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def test_seek(self):
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with Image.open(animated_test_file) as im:
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im.seek(50)
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with Image.open("Tests/images/a_fli.png") as expected:
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assert_image_equal(im, expected)
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