Test changing visibility via code and CSS. See https://github.com/Textualize/textual/issues/1355 as the motivation for these tests.
()
| 4 | |
| 5 | |
| 6 | async def test_visibility_changes() -> None: |
| 7 | """Test changing visibility via code and CSS. |
| 8 | |
| 9 | See https://github.com/Textualize/textual/issues/1355 as the motivation for these tests. |
| 10 | """ |
| 11 | |
| 12 | class VisibleTester(App[None]): |
| 13 | """An app for testing visibility changes.""" |
| 14 | |
| 15 | CSS = """ |
| 16 | Widget { |
| 17 | height: 1fr; |
| 18 | } |
| 19 | .hidden { |
| 20 | visibility: hidden; |
| 21 | } |
| 22 | """ |
| 23 | |
| 24 | def compose(self) -> ComposeResult: |
| 25 | yield VerticalScroll( |
| 26 | Widget(id="keep"), Widget(id="hide-via-code"), Widget(id="hide-via-css") |
| 27 | ) |
| 28 | |
| 29 | async with VisibleTester().run_test() as pilot: |
| 30 | assert pilot.app.query_one("#keep").visible is True |
| 31 | assert pilot.app.query_one("#hide-via-code").visible is True |
| 32 | assert pilot.app.query_one("#hide-via-css").visible is True |
| 33 | |
| 34 | pilot.app.query_one("#hide-via-code").styles.visibility = "hidden" |
| 35 | await pilot.pause(0) |
| 36 | assert pilot.app.query_one("#keep").visible is True |
| 37 | assert pilot.app.query_one("#hide-via-code").visible is False |
| 38 | assert pilot.app.query_one("#hide-via-css").visible is True |
| 39 | |
| 40 | pilot.app.query_one("#hide-via-css").set_class(True, "hidden") |
| 41 | await pilot.pause(0) |
| 42 | assert pilot.app.query_one("#keep").visible is True |
| 43 | assert pilot.app.query_one("#hide-via-code").visible is False |
| 44 | assert pilot.app.query_one("#hide-via-css").visible is False |
| 45 | |
| 46 | |
| 47 | async def test_visible_is_inherited() -> None: |
nothing calls this directly
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