def test_container_rendering(self):
parent = Core(container=Core())
child = Core(parent=parent)
render_result = parent._render()
for view_id in (parent.id, parent.container.id, child.id):
assert view_id in render_result
def test_container_hierarchy(self):
parent = Core(container=Core())
child = Core(parent=parent)
assert child.parent == parent
assert child._parent == parent.container
assert parent.children == (child, )
assert parent._children == [parent.container]
def test_identity(self, is_view_id):
view1 = Core()
view2 = Core()
class NotView:
id = 'foobar'
assert NotView().id != is_view_id
assert view1.id == is_view_id
assert view2.id == is_view_id
assert view1.id != view2.id
assert Core.get_view(view2.id) == view2
def test_animated_css_properties(self):
view = Core()
with animation():
view._set_css_property(
'corner_radius',
'50%',
'border-radius',
'50%',
)
with animation(
duration=2.0,
ease='ease-func',
direction='alternate',
iterations='forever',
start_delay=1,
end_delay=2,
):
view._set_css_property(
'alpha',
0.5,
'opacity',
'50%',
)
view._animation_id = 'abc123'
rendered = view._render_props()
assert rendered == {
'style':
'border-radius:50%;opacity:50%',
'ui4style':
'border-radius:50%:0.3s;opacity:50%:2.0s,ease-func,alternate,1s,2s,inf',
}
def test_event_generator(self):
view = Core()
assert view._animation_id is None
@view
def on_click(data):
data.value = 1
yield
data.value = 2
# First click
update = view._process_event('click', view)
assert view.value == 1
assert len(Events._animation_generators) == 1
# Return after animation complete
animation_id = next(iter(Events._animation_generators.keys()))
view._process_event_loop(animation_id)
assert view.value == 2
assert len(Events._animation_generators) == 0
# Restart
view._process_event('click', view)
assert view.value == 1
animation_id = next(iter(Events._animation_generators.keys()))
view._process_event_loop(animation_id)
assert view.value == 2
def test_properties__color(self):
Core.text_color = Core._css_color_prop('text_color', 'color')
view = Core()
view.text_color = 'cyan'
assert view.text_color.name == 'cyan'
assert view._css_properties['color'] == 'rgba(0,255,255,255)'
def test_properties__bool(self):
Core.bold = Core._css_bool_prop('bold', 'font-weight', 'bold')
view = Core()
view.bold = True
assert view._css_properties['font-weight'] == 'bold'
view.bold = False
assert view._css_properties['font-weight'] is None
def test_get_roots(self):
view1 = Core()
view2 = Core(parent=view1)
view3 = Core(parent=view2)
view4 = Core(parent=view1)
assert Core._get_roots() == set()
view4._mark_dirty()
assert Core._get_roots() == {view4}
view3._mark_dirty()
assert Core._get_roots() == {view3, view4}
view2._mark_dirty()
assert Core._get_roots() == {view2, view4}
view1._mark_dirty()
assert Core._get_roots() == {view1}
def test_hierarchy(self):
view1 = Core()
view2 = Core(parent=view1)
assert view2 in view1.children
view3 = Core()
with pytest.raises(AttributeError):
view1.children.append(view3)
view2.parent = view3
assert view2 not in view1.children
view4 = Core(children=[view1, view2])
assert view1 in view4.children
assert view2 in view4.children
assert not view3.children
def test_properties__mapping(self):
Core.scrollable = Core._css_mapping_prop('scrollable', 'overflow', {
True: 'auto',
'horizontal': 'auto hidden',
'vertical': 'hidden auto',
})
view = Core()
view.scrollable = True
assert view._css_properties['overflow'] == 'auto'
view.scrollable = False
assert view._css_properties['overflow'] == None
def test_properties__generic(self):
Core.corner_radius = Core._css_plain_prop('corner_radius',
'border-radius')
view = Core()
view.corner_radius = '25%'
assert view._properties['corner_radius'] == '25%'
assert view._css_properties['border-radius'] == '25%'
assert view.corner_radius == '25%'
view.corner_radius = 8
assert view._properties['corner_radius'] == 8
assert view._css_properties['border-radius'] == '8px'
assert view.corner_radius == 8
def test_event_handler_option_decorator(self):
view = Core()
@view
@delay
def on_click(_):
pass
@view
@delay
def on_change(_):
pass
assert view._render_events(
)['hx-trigger'] == 'change delay:0.5s,click delay:0.5s'
view.remove_event('change')
assert view._render_events()['hx-trigger'] == 'click delay:0.5s'
def test_event_handler_decorator(self):
view = Core()
with pytest.raises(ValueError):
@view
def on_nonexistent_event(_):
pass
@view
def on_click(_):
pass
assert inspect.isfunction(
view.on_click) # noqa: Too clever for PyCharm
assert view._render_events() == {
'hx-post': '/event',
'hx-trigger': 'click'
}
def test_renderer_registration(self):
view = Core()
assert len(view._renderers) == 3