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100 lines
2.8 KiB
Python
100 lines
2.8 KiB
Python
from utils import create_mockapp
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import rio
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async def test_refresh_with_nothing_to_do():
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def build():
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return rio.Text("Hello")
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async with create_mockapp(build) as app:
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app.outgoing_messages.clear()
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await app.refresh()
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assert not app.dirty_components
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assert not app.last_updated_components
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async def test_refresh_with_clean_root_component():
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def build():
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text_component = rio.Text("Hello")
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return rio.Container(text_component)
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async with create_mockapp(build) as app:
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text_component = app.get_component(rio.Text)
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text_component.text = "World"
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await app.refresh()
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assert app.last_updated_components == {text_component}
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async def test_rebuild_component_with_dead_parent():
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class RootComponent(rio.Component):
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content: rio.Component
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def build(self) -> rio.Component:
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return self.content
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class ComponentWithState(rio.Component):
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state: str
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def build(self) -> rio.Component:
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return rio.Text(self.state)
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def build() -> rio.Component:
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return RootComponent(
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rio.Row(
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ComponentWithState("Hello"),
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rio.ProgressCircle(),
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)
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)
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async with create_mockapp(build) as app:
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# Change the component's state, but also remove its parent from the
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# component tree
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root_component = app.get_component(RootComponent)
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component = app.get_component(ComponentWithState)
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progress_component = app.get_component(rio.ProgressCircle)
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component.state = "Hi"
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root_component.content = progress_component
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await app.refresh()
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# Make sure no data for dead components was sent to JS
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assert app.last_updated_components == {root_component}
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async def test_unmount_and_remount():
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class DemoComponent(rio.Component):
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content: rio.Component
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show_child: bool
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def build(self) -> rio.Component:
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children = [self.content] if self.show_child else []
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return rio.Row(*children)
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def build() -> rio.Component:
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return DemoComponent(
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rio.Text("hi"),
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show_child=True,
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)
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async with create_mockapp(build) as app:
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root_component = app.get_component(DemoComponent)
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child_component = root_component.content
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row_component = app.get_component(rio.Row)
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root_component.show_child = False
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await app.refresh()
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assert app.last_updated_components == {root_component, row_component}
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root_component.show_child = True
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await app.refresh()
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assert app.last_updated_components == {
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root_component,
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row_component,
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child_component,
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}
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