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70 lines
1.7 KiB
Python
70 lines
1.7 KiB
Python
from textual.app import App, ComposeResult
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from textual.widgets import Button, Input
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def test_batch_update():
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"""Test `batch_update` context manager"""
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app = App()
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assert app._batch_count == 0 # Start at zero
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with app.batch_update():
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assert app._batch_count == 1 # Increments in context manager
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with app.batch_update():
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assert app._batch_count == 2 # Nested updates
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assert app._batch_count == 1 # Exiting decrements
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assert app._batch_count == 0 # Back to zero
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class MyApp(App):
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def compose(self) -> ComposeResult:
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yield Input()
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yield Button("Click me!")
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async def test_hover_update_styles():
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app = MyApp()
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async with app.run_test() as pilot:
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button = app.query_one(Button)
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assert button.pseudo_classes == {"enabled"}
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# Take note of the initial background colour
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initial_background = button.styles.background
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await pilot.hover(Button)
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# We've hovered, so ensure the pseudoclass is present and background changed
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assert button.pseudo_classes == {"enabled", "hover"}
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assert button.styles.background != initial_background
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def test_setting_title():
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app = MyApp()
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app.title = None
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assert app.title == "None"
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app.title = ""
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assert app.title == ""
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app.title = 0.125
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assert app.title == "0.125"
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app.title = [True, False, 2]
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assert app.title == "[True, False, 2]"
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def test_setting_sub_title():
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app = MyApp()
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app.sub_title = None
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assert app.sub_title == "None"
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app.sub_title = ""
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assert app.sub_title == ""
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app.sub_title = 0.125
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assert app.sub_title == "0.125"
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app.sub_title = [True, False, 2]
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assert app.sub_title == "[True, False, 2]"
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