from nicegui import ui from .user import User def test_rendering_page(user: User): ui.label('test label') with ui.row().classes('positive'): ui.input('test input', placeholder='some placeholder') with ui.column(): ui.label('1') ui.label('2') ui.label('3') user.open('/') assert user.page() == '''Title: NiceGUI test label row [class: items-start positive] test input: some placeholder [class: no-wrap items-start standard labeled] column [class: items-start] 1 2 3 '''