Test delays for gif images

tests/image_test.py

@@ -538,14 +538,18 @@ def test_crop(fx_asset):
 
 
 def test_crop_gif(tmpdir, fx_asset):
-    with Image(filename=str(fx_asset.join('nocomments.gif'))) as img:
+    with Image(filename=str(fx_asset.join('nocomments-delay-100.gif'))) as img:
         with img.clone() as d:
             assert d.size == (350, 197)
+            for s in d.sequence:
+                assert s.delay == 100
             d.crop(50, 50, 200, 150)
             d.save(filename=str(tmpdir.join('50_50_200_150.gif')))
         with Image(filename=str(tmpdir.join('50_50_200_150.gif'))) as d:
             assert len(d.sequence) == 46
             assert d.size == (150, 100)
+            for s in d.sequence:
+                assert s.delay == 100
     tmpdir.remove()
 
 
@@ -577,29 +581,42 @@ def test_resize(fx_asset):
 
 @mark.slow
 def test_resize_gif(tmpdir, fx_asset):
-    with Image(filename=str(fx_asset.join('nocomments.gif'))) as img:
+    with Image(filename=str(fx_asset.join('nocomments-delay-100.gif'))) as img:
         assert len(img.sequence) == 46
         with img.clone() as a:
             assert a.size == (350, 197)
+            assert a.sequence[0].delay == 100
+            for s in a.sequence:
+                assert s.delay == 100
             a.resize(175, 98)
             a.save(filename=str(tmpdir.join('175_98.gif')))
         with Image(filename=str(tmpdir.join('175_98.gif'))) as a:
             assert len(a.sequence) == 46
             assert a.size == (175, 98)
+            for s in a.sequence:
+                assert s.delay == 100
         with img.clone() as b:
             assert b.size == (350, 197)
+            for s in b.sequence:
+                assert s.delay == 100
             b.resize(height=100)
             b.save(filename=str(tmpdir.join('350_100.gif')))
         with Image(filename=str(tmpdir.join('350_100.gif'))) as b:
             assert len(b.sequence) == 46
             assert b.size == (350, 100)
+            for s in b.sequence:
+                assert s.delay == 100
         with img.clone() as c:
             assert c.size == (350, 197)
+            for s in c.sequence:
+                assert s.delay == 100
             c.resize(width=100)
             c.save(filename=str(tmpdir.join('100_197.gif')))
         with Image(filename=str(tmpdir.join('100_197.gif'))) as c:
             assert len(c.sequence) == 46
             assert c.size == (100, 197)
+            for s in c.sequence:
+                assert s.delay == 100
     tmpdir.remove()
 
 
@@ -646,20 +663,24 @@ def test_transform(args, kwargs, expected_size, fx_asset):
 
 def test_transform_gif(tmpdir, fx_asset):
     filename = str(tmpdir.join('test_transform_gif.gif'))
-    with Image(filename=str(fx_asset.join('nocomments.gif'))) as img:
+    with Image(filename=str(fx_asset.join('nocomments-delay-100.gif'))) as img:
         assert len(img.sequence) == 46
         assert img.size == (350, 197)
+        for single in img.sequence:
+            assert single.delay == 100
         img.transform(resize='175x98!')
         assert len(img.sequence) == 46
         assert img.size == (175, 98)
         for single in img.sequence:
             assert single.size == (175, 98)
+            assert single.delay == 100
         img.save(filename=filename)
     with Image(filename=filename) as gif:
         assert len(gif.sequence) == 46
         assert gif.size == (175, 98)
         for single in gif.sequence:
             assert single.size == (175, 98)
+            assert single.delay == 100
     tmpdir.remove()
 
 
@@ -718,14 +739,20 @@ def test_rotate(fx_asset):
 
 @mark.slow
 def test_rotate_gif(tmpdir, fx_asset):
-    with Image(filename=str(fx_asset.join('nocomments.gif'))) as img:
+    with Image(filename=str(fx_asset.join('nocomments-delay-100.gif'))) as img:
+        for s in img.sequence:
+            assert s.delay == 100
         with img.clone() as e:
             assert e.size == (350, 197)
             e.rotate(90)
+            for s in e.sequence:
+                assert s.delay == 100
             e.save(filename=str(tmpdir.join('rotate_90.gif')))
         with Image(filename=str(tmpdir.join('rotate_90.gif'))) as e:
             assert e.size == (197, 350)
             assert len(e.sequence) == 46
+            for s in e.sequence:
+                assert s.delay == 100
     tmpdir.remove()
 
 

wand/image.py

@@ -1224,7 +1224,7 @@ def transform(self, crop='', resize=''):
                     new_wand = library.MagickTransformImage(new_wand,
                                                             crop,
                                                             resize)
-            # FIXME: set the same delay
+            self.sequence.instances = []
         else:
             new_wand = library.MagickTransformImage(self.wand, crop, resize)
         if not new_wand: