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73 lines
2.7 KiB
Python
73 lines
2.7 KiB
Python
"""Unit tests dealing with the tracking of selection list values."""
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from __future__ import annotations
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from textual.app import App, ComposeResult
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from textual.widgets import SelectionList
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class SelectionListApp(App[None]):
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def __init__(self, default_state: bool = False) -> None:
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super().__init__()
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self._default_state = default_state
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def compose(self) -> ComposeResult:
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yield SelectionList[int](*[(str(n), n, self._default_state) for n in range(50)])
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async def test_empty_selected() -> None:
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"""Selected should be empty when nothing is selected."""
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async with SelectionListApp().run_test() as pilot:
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assert pilot.app.query_one(SelectionList).selected == []
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async def test_programatic_select() -> None:
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"""Selected should contain a selected value."""
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async with SelectionListApp().run_test() as pilot:
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selection = pilot.app.query_one(SelectionList)
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selection.select(0)
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assert pilot.app.query_one(SelectionList).selected == [0]
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async def test_programatic_select_all() -> None:
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"""Selected should contain all selected values."""
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async with SelectionListApp().run_test() as pilot:
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selection = pilot.app.query_one(SelectionList)
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selection.select_all()
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assert pilot.app.query_one(SelectionList).selected == list(range(50))
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async def test_programatic_deselect() -> None:
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"""Selected should not contain a deselected value."""
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async with SelectionListApp(True).run_test() as pilot:
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selection = pilot.app.query_one(SelectionList)
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selection.deselect(0)
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assert pilot.app.query_one(SelectionList).selected == list(range(50)[1:])
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async def test_programatic_deselect_all() -> None:
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"""Selected should not contain anything after deselecting all values."""
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async with SelectionListApp(True).run_test() as pilot:
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selection = pilot.app.query_one(SelectionList)
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selection.deselect_all()
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assert pilot.app.query_one(SelectionList).selected == []
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async def test_programatic_toggle() -> None:
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"""Selected should reflect a toggle."""
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async with SelectionListApp().run_test() as pilot:
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selection = pilot.app.query_one(SelectionList)
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for n in range(25, 50):
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selection.select(n)
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for n in range(50):
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selection.toggle(n)
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assert pilot.app.query_one(SelectionList).selected == list(range(50)[:25])
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async def test_programatic_toggle_all() -> None:
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"""Selected should contain all values after toggling all on."""
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async with SelectionListApp().run_test() as pilot:
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selection = pilot.app.query_one(SelectionList)
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selection.toggle_all()
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assert pilot.app.query_one(SelectionList).selected == list(range(50))
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