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Moved libtiff test into libtiff test file

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This commit is contained in:
Andrew Murray 2019-09-29 21:06:11 +10:00
parent d3ae7a1c46
commit 4de10089f0
2 changed files with 24 additions and 25 deletions
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23
Tests/test_file_libtiff.py
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@ -840,3 +840,26 @@ class TestFileLibTiff(LibTiffTestCase):
im.load()
self.assert_image_similar(base_im, im, 0.7)
def test_sampleformat_not_corrupted(self):
# Assert that a TIFF image with SampleFormat=UINT tag is not corrupted
# when saving to a new file.
# Pillow 6.0 fails with "OSError: cannot identify image file".
import base64
tiff = io.BytesIO(
base64.b64decode(
b"SUkqAAgAAAAPAP4ABAABAAAAAAAAAAABBAABAAAAAQAAAAEBBAABAAAAAQAA"
b"AAIBAwADAAAAwgAAAAMBAwABAAAACAAAAAYBAwABAAAAAgAAABEBBAABAAAA"
b"4AAAABUBAwABAAAAAwAAABYBBAABAAAAAQAAABcBBAABAAAACwAAABoBBQAB"
b"AAAAyAAAABsBBQABAAAA0AAAABwBAwABAAAAAQAAACgBAwABAAAAAQAAAFMB"
b"AwADAAAA2AAAAAAAAAAIAAgACAABAAAAAQAAAAEAAAABAAAAAQABAAEAAAB4"
b"nGNgYAAAAAMAAQ=="
)
)
out = io.BytesIO()
with Image.open(tiff) as im:
im.save(out, format="tiff")
out.seek(0)
with Image.open(out) as im:
im.load()

26
Tests/test_file_tiff.py
View File

@ -2,7 +2,7 @@ import logging
import sys
from io import BytesIO
from PIL import Image, TiffImagePlugin, features
from PIL import Image, TiffImagePlugin
from PIL._util import py3
from PIL.TiffImagePlugin import RESOLUTION_UNIT, X_RESOLUTION, Y_RESOLUTION
@ -587,30 +587,6 @@ class TestFileTiff(PillowTestCase):
im.load()
self.assertFalse(fp.closed)
@unittest.skipUnless(features.check("libtiff"), "libtiff not installed")
def test_sampleformat_not_corrupted(self):
# Assert that a TIFF image with SampleFormat=UINT tag is not corrupted
# when saving to a new file.
# Pillow 6.0 fails with "OSError: cannot identify image file".
import base64
tiff = BytesIO(
base64.b64decode(
b"SUkqAAgAAAAPAP4ABAABAAAAAAAAAAABBAABAAAAAQAAAAEBBAABAAAAAQAA"
b"AAIBAwADAAAAwgAAAAMBAwABAAAACAAAAAYBAwABAAAAAgAAABEBBAABAAAA"
b"4AAAABUBAwABAAAAAwAAABYBBAABAAAAAQAAABcBBAABAAAACwAAABoBBQAB"
b"AAAAyAAAABsBBQABAAAA0AAAABwBAwABAAAAAQAAACgBAwABAAAAAQAAAFMB"
b"AwADAAAA2AAAAAAAAAAIAAgACAABAAAAAQAAAAEAAAABAAAAAQABAAEAAAB4"
b"nGNgYAAAAAMAAQ=="
)
)
out = BytesIO()
with Image.open(tiff) as im:
im.save(out, format="tiff")
out.seek(0)
with Image.open(out) as im:
im.load()
@unittest.skipUnless(sys.platform.startswith("win32"), "Windows only")
class TestFileTiffW32(PillowTestCase):