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4a4b90c365
* autotyping: --none-return * autotyping: --scalar-return * autotyping: --int-param * autotyping: --float-param * autotyping: --str-param * autotyping: --annotate-named-param tmp_path:pathlib.Path
94 lines
2.1 KiB
Python
94 lines
2.1 KiB
Python
from __future__ import annotations
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import pytest
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from PIL import Image, ImageShow
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from .helper import hopper, is_win32, on_ci
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def test_sanity() -> None:
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dir(Image)
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dir(ImageShow)
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def test_register() -> None:
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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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@pytest.mark.parametrize(
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"order",
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[-1, 0],
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)
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def test_viewer_show(order) -> None:
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class TestViewer(ImageShow.Viewer):
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def show_image(self, image, **options) -> bool:
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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, order)
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for mode in ("1", "I;16", "LA", "RGB", "RGBA"):
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viewer.methodCalled = False
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with hopper(mode) as im:
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assert ImageShow.show(im)
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assert viewer.methodCalled
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# Restore original state
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ImageShow._viewers.pop(0)
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@pytest.mark.skipif(
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not on_ci() or is_win32(),
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reason="Only run on CIs; hangs on Windows CIs",
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)
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@pytest.mark.parametrize("mode", ("1", "I;16", "LA", "RGB", "RGBA"))
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def test_show(mode) -> None:
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im = hopper(mode)
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assert ImageShow.show(im)
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def test_show_without_viewers() -> None:
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viewers = ImageShow._viewers
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ImageShow._viewers = []
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with hopper() as im:
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assert not ImageShow.show(im)
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ImageShow._viewers = viewers
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def test_viewer() -> None:
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viewer = ImageShow.Viewer()
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assert viewer.get_format(None) is None
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with pytest.raises(NotImplementedError):
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viewer.get_command(None)
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@pytest.mark.parametrize("viewer", ImageShow._viewers)
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def test_viewers(viewer) -> None:
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try:
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viewer.get_command("test.jpg")
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except NotImplementedError:
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pass
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def test_ipythonviewer() -> None:
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pytest.importorskip("IPython", reason="IPython not installed")
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for viewer in ImageShow._viewers:
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if isinstance(viewer, ImageShow.IPythonViewer):
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test_viewer = viewer
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break
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else:
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pytest.fail()
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im = hopper()
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assert test_viewer.show(im) == 1
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