Function test_pala001_layout

tests/integration/multi_page/test_pages_layout.py:53–97

(dash_duo, clear_pages_state)

def test_pala001_layout(dash_duo, clear_pages_state):
    app = get_app()
    dash_duo.start_server(app)

    # test layout and title for each page in `page_registry` with link navigation
    for page in dash.page_registry.values():
        dash_duo.find_element("#" + page["id"]).click()
        dash_duo.wait_for_text_to_equal("#text_" + page["id"], "text for " + page["id"])
        until(lambda: dash_duo.driver.title == page["title"], timeout=3)

    # test redirects
    dash_duo.wait_for_page(url=f"{dash_duo.server_url}/v2")
    dash_duo.wait_for_text_to_equal("#text_redirect", "text for redirect")
    dash_duo.wait_for_page(url=f"{dash_duo.server_url}/old-home-page")
    dash_duo.wait_for_text_to_equal("#text_redirect", "text for redirect")
    assert dash_duo.driver.current_url == f"{dash_duo.server_url}/redirect"

    # test redirect with button and user defined dcc.Location
    # note:  dcc.Location must be defined in app.py
    dash_duo.wait_for_page(url=f"{dash_duo.server_url}/page1")
    dash_duo.find_element("#btn1").click()
    dash_duo.wait_for_text_to_equal("#text_page2", "text for page2")

    # test query strings
    dash_duo.wait_for_page(url=f"{dash_duo.server_url}/query-string?velocity=10")
    assert (
        dash_duo.find_element("#velocity").get_attribute("value") == "10"
    ), "query string passed to layout"

    # test path variables
    dash_duo.wait_for_page(url=f"{dash_duo.server_url}/a/none/b/none")
    dash_duo.wait_for_text_to_equal("#path_vars", "variables from pathname:none none")

    dash_duo.wait_for_page(url=f"{dash_duo.server_url}/a/var1/b/var2")
    dash_duo.wait_for_text_to_equal("#path_vars", "variables from pathname:var1 var2")

    # test page not found
    dash_duo.wait_for_page(url=f"{dash_duo.server_url}/find_me")
    dash_duo.wait_for_text_to_equal("#text_not_found_404", "text for not_found_404")

    # test `validation_layout` exists when suppress_callback_exceptions=False`
    assert app.validation_layout is not None

    assert dash_duo.get_logs() == [], "browser console should contain no error"
    # dash_duo.percy_snapshot("pala001_layout")


def check_metas(dash_duo, metas):