from nicegui import ui from nicegui.testing import Screen def test_page_title(screen: Screen): ui.page_title('Initial title') ui.button('Change title', on_click=lambda: ui.page_title('"New title"')) @ui.page('/{title}') def page(title: str): ui.page_title(f'Title: {title}') screen.open('/') screen.wait(0.5) screen.should_contain('Initial title') screen.click('Change title') screen.wait(0.5) screen.should_contain('"New title"') screen.open('/test') screen.wait(0.5) screen.should_contain('Title: test')