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47 lines
1.5 KiB
Python
47 lines
1.5 KiB
Python
from __future__ import annotations
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from io import BytesIO
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from pathlib import Path
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from PIL import Image
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from .test_file_libtiff import LibTiffTestCase
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class TestFileLibTiffSmall(LibTiffTestCase):
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"""The small lena image was failing on open in the libtiff
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decoder because the file pointer was set to the wrong place
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by a spurious seek. It wasn't failing with the byteio method.
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It was fixed by forcing an lseek to the beginning of the
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file just before reading in libtiff. These tests remain
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to ensure that it stays fixed."""
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def test_g4_hopper_file(self, tmp_path: Path) -> None:
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"""Testing the open file load path"""
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test_file = "Tests/images/hopper_g4.tif"
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with open(test_file, "rb") as f:
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with Image.open(f) as im:
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assert im.size == (128, 128)
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self._assert_noerr(tmp_path, im)
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def test_g4_hopper_bytesio(self, tmp_path: Path) -> None:
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"""Testing the bytesio loading code path"""
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test_file = "Tests/images/hopper_g4.tif"
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s = BytesIO()
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with open(test_file, "rb") as f:
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s.write(f.read())
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s.seek(0)
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with Image.open(s) as im:
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assert im.size == (128, 128)
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self._assert_noerr(tmp_path, im)
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def test_g4_hopper(self, tmp_path: Path) -> None:
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"""The 128x128 lena image failed for some reason."""
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test_file = "Tests/images/hopper_g4.tif"
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with Image.open(test_file) as im:
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assert im.size == (128, 128)
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self._assert_noerr(tmp_path, im)
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