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Up until now there doesn't seem to have been any unit tests aimed squarely at setting up bindings, as part of a running application, which are only about testing the bindings. As such there was no way of slotting in tests for how inheritance of bindings works. This starts that process with a view to testing how inheriting likely *should* work. See #1343 for some background to this.
78 lines
2.5 KiB
Python
78 lines
2.5 KiB
Python
import pytest
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from textual.app import App, ComposeResult
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from textual.widgets import Static
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from textual.screen import Screen
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from textual.binding import Binding
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##############################################################################
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class NoBindings(App[None]):
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"""An app with zero bindings."""
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async def test_just_app_no_bindings() -> None:
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"""An app with no bindings should have no bindings, other than ctrl+c."""
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async with NoBindings().run_test() as pilot:
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assert list(pilot.app._bindings.keys.keys()) == ["ctrl+c"]
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##############################################################################
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class AlphaBinding(App[None]):
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"""An app with a simple alpha key binding."""
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BINDINGS = [Binding("a", "a", "a")]
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async def test_just_app_alpha_binding() -> None:
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"""An app with a single binding should have just the one binding."""
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async with AlphaBinding().run_test() as pilot:
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assert sorted(pilot.app._bindings.keys.keys()) == sorted(["ctrl+c", "a"])
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##############################################################################
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class ScreenNoBindings(Screen):
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"""A screen with no added bindings."""
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class AppWithScreenNoBindings(App[None]):
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"""An app with no extra bindings but with a custom screen."""
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SCREENS = {"main": ScreenNoBindings}
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def on_mount(self) -> None:
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self.push_screen("main")
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@pytest.mark.xfail(
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reason="Screen is incorrectly starting with bindings for movement keys [issue#1343]"
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)
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async def test_app_screen_no_bindings() -> None:
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"""An screen with no bindings should have no bindings."""
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async with AppWithScreenNoBindings().run_test() as pilot:
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assert list(pilot.app.screen._bindings.keys.keys()) == []
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##############################################################################
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class ScreenWithBindings(Screen):
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"""A screen with a simple alpha key binding."""
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BINDINGS = [Binding("a", "a", "a")]
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class AppWithScreenThatHasABinding(App[None]):
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"""An app with no extra bindings but with a custom screen with a binding."""
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SCREENS = {"main": ScreenWithBindings}
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def on_mount(self) -> None:
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self.push_screen("main")
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@pytest.mark.xfail(
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reason="Screen is incorrectly starting with bindings for movement keys [issue#1343]"
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)
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async def test_app_screen_with_bindings() -> None:
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"""An app with a screen and a binding should only have ctrl+c as a binding."""
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async with AppWithScreenThatHasABinding().run_test() as pilot:
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assert list(pilot.app.screen._bindings.keys.keys()) == ["a"]
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