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from trame.app import get_server
from trame.ui.html import DivLayout
from trame.widgets import html
def test_ui_vnode():
server = get_server("test_ui_vnode")
state = server.state
state.ready()
with DivLayout(server) as layout:
server.ui.content(layout)
assert state.trame__template_main == "<div >\n\n</div>"
with server.ui.content:
html.Div("Hello")
assert state.trame__template_main == "<div >\n<div >\nHello\n</div>\n</div>"
with server.ui.content:
html.Div("World")
assert (
state.trame__template_main
== "<div >\n<div >\nHello\n</div>\n<div >\nWorld\n</div>\n</div>"
)
with server.ui["content"].clear():
html.Div("World")
assert state.trame__template_main == "<div >\n<div >\nWorld\n</div>\n</div>"
server.ui.clear()
assert state.trame__template_main == "<div >\n<div >\nWorld\n</div>\n</div>"
server.ui.flush_content()
assert state.trame__template_main == "<div >\n\n</div>"
server.ui.clear_layouts()
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