Merge pull request #4100 from radarhere/tiff

Moved libtiff test into libtiff test file

Author: hugovk

Tests/test_file_libtiff.py

@@ -840,3 +840,26 @@ def test_orientation(self):
             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()

Tests/test_file_tiff.py

@@ -2,7 +2,7 @@
 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 @@ def test_close_on_load_nonexclusive(self):
             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):