Add test page cancel.

Author: T4rk1n

tests/integration/long_callback/app_page_cancel.py

@@ -0,0 +1,93 @@
+from dash import Dash, Input, Output, dcc, html, page_container, register_page
+
+import time
+
+from tests.integration.long_callback.utils import get_long_callback_manager
+
+long_callback_manager = get_long_callback_manager()
+handle = long_callback_manager.handle
+
+
+app = Dash(
+    __name__,
+    use_pages=True,
+    pages_folder="",
+    long_callback_manager=long_callback_manager,
+)
+
+app.layout = html.Div(
+    [
+        dcc.Link("page1", "/"),
+        dcc.Link("page2", "/2"),
+        html.Button("Cancel", id="cancel"),
+        page_container,
+    ]
+)
+
+
+register_page(
+    "one",
+    "/",
+    layout=html.Div(
+        [
+            html.Button("start", id="start1"),
+            html.Button("cancel1", id="cancel1"),
+            html.Div("idle", id="progress1"),
+            html.Div("initial", id="output1"),
+        ]
+    ),
+)
+register_page(
+    "two",
+    "/2",
+    layout=html.Div(
+        [
+            html.Button("start2", id="start2"),
+            html.Button("cancel2", id="cancel2"),
+            html.Div("idle", id="progress2"),
+            html.Div("initial", id="output2"),
+        ]
+    ),
+)
+
+
+@app.callback(
+    Output("output1", "children"),
+    Input("start1", "n_clicks"),
+    running=[
+        (Output("progress1", "children"), "running", "idle"),
+    ],
+    cancel=[
+        Input("cancel1", "n_clicks"),
+        Input("cancel", "n_clicks"),
+    ],
+    background=True,
+    prevent_initial_call=True,
+    interval=300,
+)
+def on_click1(n_clicks):
+    time.sleep(2)
+    return f"Click {n_clicks}"
+
+
+@app.callback(
+    Output("output2", "children"),
+    Input("start2", "n_clicks"),
+    running=[
+        (Output("progress2", "children"), "running", "idle"),
+    ],
+    cancel=[
+        Input("cancel2", "n_clicks"),
+        Input("cancel", "n_clicks"),
+    ],
+    background=True,
+    prevent_initial_call=True,
+    interval=300,
+)
+def on_click1(n_clicks):
+    time.sleep(2)
+    return f"Click {n_clicks}"
+
+
+if __name__ == "__main__":
+    app.run(debug=True)

tests/integration/long_callback/test_basic_long_callback.py

@@ -556,3 +556,37 @@ def test_lcbc015_diff_outputs_same_func(dash_duo, manager):
         for i in range(1, 3):
             dash_duo.find_element(f"#button-{i}").click()
             dash_duo.wait_for_text_to_equal(f"#output-{i}", f"Clicked on {i}")
+
+
+def test_lcbc016_multi_page_cancel(dash_duo, manager):
+    with setup_long_callback_app(manager, "app_page_cancel") as app:
+        dash_duo.start_server(app)
+        dash_duo.find_element("#start1").click()
+        dash_duo.wait_for_text_to_equal("#progress1", "running")
+        dash_duo.find_element("#cancel").click()
+        dash_duo.wait_for_text_to_equal("#progress1", "idle")
+        time.sleep(2.1)
+        dash_duo.wait_for_text_to_equal("#output1", "initial")
+
+        dash_duo.find_element("#start1").click()
+        dash_duo.wait_for_text_to_equal("#progress1", "running")
+        dash_duo.find_element("#cancel1").click()
+        dash_duo.wait_for_text_to_equal("#progress1", "idle")
+        time.sleep(2.1)
+        dash_duo.wait_for_text_to_equal("#output1", "initial")
+
+        dash_duo.server_url = dash_duo.server_url + "/2"
+
+        dash_duo.find_element("#start2").click()
+        dash_duo.wait_for_text_to_equal("#progress2", "running")
+        dash_duo.find_element("#cancel").click()
+        dash_duo.wait_for_text_to_equal("#progress2", "idle")
+        time.sleep(2.1)
+        dash_duo.wait_for_text_to_equal("#output2", "initial")
+
+        dash_duo.find_element("#start2").click()
+        dash_duo.wait_for_text_to_equal("#progress2", "running")
+        dash_duo.find_element("#cancel2").click()
+        dash_duo.wait_for_text_to_equal("#progress2", "idle")
+        time.sleep(2.1)
+        dash_duo.wait_for_text_to_equal("#output2", "initial")