forked from python-pillow/Pillow
/
test_imageshow.py
47 lines (33 loc) · 1.22 KB
/
test_imageshow.py
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from .helper import PillowTestCase, hopper
from PIL import Image
from PIL import ImageShow
class TestImageShow(PillowTestCase):
def test_sanity(self):
dir(Image)
dir(ImageShow)
def test_register(self):
# Test registering a viewer that is not a class
ImageShow.register("not a class")
# Restore original state
ImageShow._viewers.pop()
def test_show(self):
class TestViewer(ImageShow.Viewer):
methodCalled = False
def show_image(self, image, **options):
self.methodCalled = True
return True
viewer = TestViewer()
ImageShow.register(viewer, -1)
for mode in ("1", "I;16", "LA", "RGB", "RGBA"):
im = hopper(mode)
self.assertTrue(ImageShow.show(im))
self.assertTrue(viewer.methodCalled)
# Restore original state
ImageShow._viewers.pop(0)
def test_viewer(self):
viewer = ImageShow.Viewer()
self.assertIsNone(viewer.get_format(None))
self.assertRaises(NotImplementedError, viewer.get_command, None)
def test_viewers(self):
for viewer in ImageShow._viewers:
viewer.get_command('test.jpg')