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