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85 lines
2.7 KiB
Python
85 lines
2.7 KiB
Python
from __future__ import annotations
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from textual.app import App, ComposeResult
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from textual.widgets import Tree
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class VerseBody:
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pass
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class VerseStar(VerseBody):
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pass
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class VersePlanet(VerseBody):
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pass
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class VerseMoon(VerseBody):
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pass
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class VerseTree(Tree[VerseBody]):
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pass
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class TreeClearApp(App[None]):
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"""Tree clearing test app."""
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def compose(self) -> ComposeResult:
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yield VerseTree("White Sun", data=VerseStar())
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def on_mount(self) -> None:
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tree = self.query_one(VerseTree)
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node = tree.root.add("Londinium", VersePlanet())
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node.add_leaf("Balkerne", VerseMoon())
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node.add_leaf("Colchester", VerseMoon())
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node = tree.root.add("Sihnon", VersePlanet())
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node.add_leaf("Airen", VerseMoon())
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node.add_leaf("Xiaojie", VerseMoon())
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async def test_tree_simple_clear() -> None:
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"""Clearing a tree should keep the old label and data."""
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async with TreeClearApp().run_test() as pilot:
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tree = pilot.app.query_one(VerseTree)
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assert len(tree.root.children) > 1
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pilot.app.query_one(VerseTree).clear()
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assert len(tree.root.children) == 0
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assert str(tree.root.label) == "White Sun"
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assert isinstance(tree.root.data, VerseStar)
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async def test_tree_new_label_clear() -> None:
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"""Clearing a tree with a new label should use the new label and keep the old data."""
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async with TreeClearApp().run_test() as pilot:
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tree = pilot.app.query_one(VerseTree)
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assert len(tree.root.children) > 1
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pilot.app.query_one(VerseTree).clear(label="Jiangyin")
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assert len(tree.root.children) == 0
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assert str(tree.root.label) == "Jiangyin"
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assert isinstance(tree.root.data, VerseStar)
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async def test_tree_new_data_clear() -> None:
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"""Clearing a tree with data should keep the old label and use the new data."""
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async with TreeClearApp().run_test() as pilot:
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tree = pilot.app.query_one(VerseTree)
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assert len(tree.root.children) > 1
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pilot.app.query_one(VerseTree).clear(data=VersePlanet())
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assert len(tree.root.children) == 0
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assert str(tree.root.label) == "White Sun"
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assert isinstance(tree.root.data, VersePlanet)
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async def test_tree_new_labal_and_data_clear() -> None:
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"""Clearing a tree with label and data should replace the label and data."""
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async with TreeClearApp().run_test() as pilot:
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tree = pilot.app.query_one(VerseTree)
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assert len(tree.root.children) > 1
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pilot.app.query_one(VerseTree).clear(label="Jiangyin", data=VersePlanet())
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assert len(tree.root.children) == 0
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assert str(tree.root.label) == "Jiangyin"
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assert isinstance(tree.root.data, VersePlanet)
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