Function test_rdps014_layout_as_list

tests/integration/renderer/test_persistence.py:565–604

(dash_duo)

def test_rdps014_layout_as_list(dash_duo):
    # testing persistence with layout as list
    app = dash.Dash(__name__)
    app.layout = [
        dcc.Input(id="input-1", value="initial", persistence=True),
        html.Div(id="output-1"),
        dcc.Input(id="input-2", value="second", persistence=True),
        html.Div(id="output-2"),
    ]

    @app.callback(Output("output-1", "children"), [Input("input-1", "value")])
    def update_output_1(value):
        return f"Output 1: {value}"

    @app.callback(Output("output-2", "children"), [Input("input-2", "value")])
    def update_output_2(value):
        return f"Output 2: {value}"

    dash_duo.start_server(app)

    # Check initial values
    dash_duo.wait_for_text_to_equal("#output-1", "Output 1: initial")
    dash_duo.wait_for_text_to_equal("#output-2", "Output 2: second")

    # Change the input values
    dash_duo.clear_input("#input-1")
    dash_duo.find_element("#input-1").send_keys("changed1")
    dash_duo.clear_input("#input-2")
    dash_duo.find_element("#input-2").send_keys("changed2")

    # Verify changes
    dash_duo.wait_for_text_to_equal("#output-1", "Output 1: changed1")
    dash_duo.wait_for_text_to_equal("#output-2", "Output 2: changed2")

    # Reload the page to test persistence
    dash_duo.wait_for_page()

    # Check that persisted values are restored
    dash_duo.wait_for_text_to_equal("#output-1", "Output 1: changed1")
    dash_duo.wait_for_text_to_equal("#output-2", "Output 2: changed2")