def test_widget_render_with_window(root):
widget = Widget(None)
widget.window = root.window
widget.content = 'Hello World'
widget.pin(1, 2).render()
window_text = widget.window.instr(0, 0, 11)
assert isinstance(widget, Widget)
assert widget.window is not None
assert window_text == b'Hello World'
def test_widget_render_resize_error(root):
root.window.resize(1, 1)
widget = Widget(root)
result = widget.pin(height=2, width=2).render()
assert result is widget
assert widget.window is None
def test_widget_render_fixed_children(root):
parent = Widget(root)
child_a = Widget(parent)
child_b = Widget(parent, position='fixed')
child_c = Widget(parent)
parent.render()
curses.doupdate()
assert parent.window is not None
assert child_a.window is not None
assert child_b.window is None
assert child_c.window is not None
child_b.pin(5, 5, 10, 10).render()
parent.render()
curses.doupdate()
assert child_b.window is not None
def test_widget_render_fixed(root):
sibling = Widget(root).grid(0, 0)
parent = Widget(root).grid(0, 1)
root.render()
assert sibling.window.getbegyx() == (0, 0)
assert parent.window.getbegyx() == (0, 45)
fixed_widget = Widget(parent, position='fixed')
fixed_widget.pin(5, 5, 5, 30).render()
assert fixed_widget.window is not None
assert fixed_widget.parent is parent
coordinates = fixed_widget.window.getbegyx()
dimensions = fixed_widget.window.getmaxyx()
assert fixed_widget in parent.children
assert fixed_widget.window is not None
assert coordinates == (5, 50)
assert dimensions == (5, 30)
