Enable programmatic querying of background callback status/result; re…
GitHub Actions / Test Results Summary
succeeded
May 14, 2026 in 0s
831 passed, 2 failed and 14 skipped
| Report | Passed | Failed | Skipped | Time |
|---|---|---|---|---|
| test-results/background-test-results-py3.12/junit_background.xml | 35✅ | 1❌ | 2⚪ | 423s |
| test-results/background-test-results-py3.9/junit_async.xml | 26✅ | 75s | ||
| test-results/background-test-results-py3.9/junit_background.xml | 36✅ | 2⚪ | 423s | |
| test-results/test-main-results-py3.12-group1/junit_intg.xml | 158✅ | 3⚪ | 367s | |
| test-results/test-main-results-py3.12-group2/junit_intg.xml | 131✅ | 1❌ | 1⚪ | 456s |
| test-results/test-main-results-py3.12-group3/junit_intg.xml | 106✅ | 1⚪ | 292s | |
| test-results/test-main-results-py3.8-group1/junit_intg.xml | 132✅ | 2⚪ | 269s | |
| test-results/test-main-results-py3.8-group2/junit_intg.xml | 111✅ | 2⚪ | 433s | |
| test-results/test-main-results-py3.8-group3/junit_intg.xml | 96✅ | 1⚪ | 248s |
❌ test-results/background-test-results-py3.12/junit_background.xml
38 tests were completed in 423s with 35 passed, 1 failed and 2 skipped.
| Test suite | Passed | Failed | Skipped | Time |
|---|---|---|---|---|
| pytest | 35✅ | 1❌ | 2⚪ | 423s |
❌ pytest
bgtests.tests.background_callback.test_basic_long_callback001
✅ test_lcbc001_fast_input[celery]
✅ test_lcbc001_fast_input[diskcache]
bgtests.tests.background_callback.test_basic_long_callback002
✅ test_lcbc002_long_callback_running[celery]
✅ test_lcbc002_long_callback_running[diskcache]
bgtests.tests.background_callback.test_basic_long_callback003
✅ test_lcbc003_long_callback_running_cancel[celery]
✅ test_lcbc003_long_callback_running_cancel[diskcache]
bgtests.tests.background_callback.test_basic_long_callback004
✅ test_lcbc004_long_callback_progress[celery]
✅ test_lcbc004_long_callback_progress[diskcache]
bgtests.tests.background_callback.test_basic_long_callback005
⚪ test_lcbc005_long_callback_caching[celery]
⚪ test_lcbc005_long_callback_caching[diskcache]
bgtests.tests.background_callback.test_basic_long_callback006
✅ test_lcbc006_long_callback_caching_multi[celery]
✅ test_lcbc006_long_callback_caching_multi[diskcache]
bgtests.tests.background_callback.test_basic_long_callback007
✅ test_lcbc007_validation_layout[celery]
✅ test_lcbc007_validation_layout[diskcache]
bgtests.tests.background_callback.test_basic_long_callback008
✅ test_lcbc008_long_callbacks_error[celery]
❌ test_lcbc008_long_callbacks_error[diskcache]
self = <dash.testing.composite.DashComposite object at 0x7f989243ae70>
bgtests.tests.background_callback.test_basic_long_callback009
✅ test_lcbc009_short_interval[celery]
✅ test_lcbc009_short_interval[diskcache]
bgtests.tests.background_callback.test_basic_long_callback010
✅ test_lcbc010_side_updates[celery]
✅ test_lcbc010_side_updates[diskcache]
bgtests.tests.background_callback.test_basic_long_callback011
✅ test_lcbc011_long_pattern_matching[celery]
✅ test_lcbc011_long_pattern_matching[diskcache]
bgtests.tests.background_callback.test_basic_long_callback012
✅ test_lcbc012_long_callback_ctx[celery]
✅ test_lcbc012_long_callback_ctx[diskcache]
bgtests.tests.background_callback.test_basic_long_callback013
✅ test_lcbc013_unordered_state_input[celery]
✅ test_lcbc013_unordered_state_input[diskcache]
bgtests.tests.background_callback.test_basic_long_callback014
✅ test_lcbc014_progress_delete[celery]
✅ test_lcbc014_progress_delete[diskcache]
bgtests.tests.background_callback.test_basic_long_callback015
✅ test_lcbc015_diff_outputs_same_func[celery]
✅ test_lcbc015_diff_outputs_same_func[diskcache]
bgtests.tests.background_callback.test_basic_long_callback016
✅ test_lcbc016_multi_page_cancel[celery]
✅ test_lcbc016_multi_page_cancel[diskcache]
bgtests.tests.background_callback.test_basic_long_callback017
✅ test_lcbc017_long_callback_set_props[celery]
✅ test_lcbc017_long_callback_set_props[diskcache]
bgtests.tests.background_callback.test_basic_long_callback018
✅ test_lcbc018_background_callback_on_error[celery]
✅ test_lcbc018_background_callback_on_error[diskcache]
bgtests.tests.background_callback.test_ctx_cookies
✅ test_lcbc019_ctx_cookies[celery]
✅ test_lcbc019_ctx_cookies[diskcache]
✅ test-results/background-test-results-py3.9/junit_async.xml
26 tests were completed in 75s with 26 passed, 0 failed and 0 skipped.
✅ test-results/background-test-results-py3.9/junit_background.xml
38 tests were completed in 423s with 36 passed, 0 failed and 2 skipped.
✅ test-results/test-main-results-py3.12-group1/junit_intg.xml
161 tests were completed in 367s with 158 passed, 0 failed and 3 skipped.
❌ test-results/test-main-results-py3.12-group2/junit_intg.xml
133 tests were completed in 456s with 131 passed, 1 failed and 1 skipped.
| Test suite | Passed | Failed | Skipped | Time |
|---|---|---|---|---|
| pytest | 131✅ | 1❌ | 1⚪ | 456s |
❌ pytest
tests.integration.devtools.test_callback_validation
✅ test_dvcv002_blank_id_prop
✅ test_dvcv003_duplicate_outputs_same_callback
✅ test_dvcv004_duplicate_outputs_across_callbacks
✅ test_dvcv005_input_output_overlap
✅ test_dvcv006_inconsistent_wildcards
✅ test_dvcv007_disallowed_ids
✅ test_dvcv008_wrong_callback_id
✅ test_dvcv009_suppress_callback_exceptions
✅ test_dvcv010_bad_props
✅ test_dvcv011_duplicate_outputs_simple
✅ test_dvcv012_circular_2_step
✅ test_dvcv013_circular_3_step
✅ test_dvcv014_multipage_errors
✅ test_dvcv015_multipage_validation_layout[function]
✅ test_dvcv015_multipage_validation_layout[attribute]
✅ test_dvcv015_multipage_validation_layout[suppress]
✅ test_dvcv016_circular_with_input_output
✅ test_dvcv017_match_input_permitted_no_output_match
tests.integration.devtools.test_devtools_error_handling
✅ test_dveh001_python_errors
✅ test_dveh006_long_python_errors
✅ test_dveh002_prevent_update_not_in_error_msg
✅ test_dveh003_validation_errors_in_place
✅ test_dveh004_validation_errors_creation
✅ test_dveh005_multiple_outputs
tests.integration.devtools.test_devtools_ui
✅ test_dvui001_disable_props_check_config
✅ test_dvui002_disable_ui_config
✅ test_dvui003_callback_graph
✅ test_dvui004_width_props
✅ test_dvui005_undo_redo
✅ test_dvui006_no_undo_redo
✅ test_dvui007_other_before_request_func
tests.integration.devtools.test_hot_reload
✅ test_dvhr001_hot_reload
tests.integration.devtools.test_props_check
⚪ test_dvpc001_prop_check_errors_with_path
tests.integration.mcp.primitives.tools.test_tool_decorated_mcp_functions
✅ test_mcpd001_bare_decorator_appears_as_tool
✅ test_mcpd002_expose_docstring
✅ test_mcpd003_custom_name_overrides_function_name
✅ test_mcpd004_typed_params_produce_schema
✅ test_mcpd005_optional_param_not_required
✅ test_mcpd006_return_annotation_becomes_output_schema
✅ test_mcpd007_call_returns_result
✅ test_mcpd008_call_with_custom_name
✅ test_mcpd009_call_error_returns_is_error
tests.integration.mcp.test_mcp_background_tasks
✅ test_mcpbg012_trigger_poll_and_retrieve
✅ test_mcpbg013_result_expires
✅ test_mcpbg014_progress_in_poll_response
✅ test_mcpbg015_background_tools_in_tools_list
❌ test_mcpbg016_per_callback_manager_lookup
def test_mcpbg016_per_callback_manager_lookup():
tests.integration.mcp.test_mcp_callback_behavior
✅ test_mcpb001_positional_callback
✅ test_mcpb002_positional_with_state
✅ test_mcpb003_multi_output_positional
✅ test_mcpb004_dict_based_inputs_and_state
✅ test_mcpb005_dict_based_outputs
✅ test_mcpb006_mixed_input_state_in_inputs
✅ test_mcpb007_tuple_grouped_inputs
✅ test_mcpb008_initial_values_from_chained_callbacks
✅ test_mcpb009_dict_based_reordered_state_input
✅ test_mcpb010_pattern_matching_callback
✅ test_mcpb011_pattern_matching_with_all_wildcard
✅ test_mcpb012_pattern_matching_mixed_outputs
✅ test_mcpb013_pattern_matching_with_match_wildcard
✅ test_mcpb014_pattern_matching_with_allsmaller_wildcard
✅ test_mcpb015_prevent_initial_call_uses_layout_default
✅ test_mcpb016_initial_callback_overrides_layout_value
✅ test_mcpb017_callback_context_triggered_id
✅ test_mcpb018_no_output_callback_does_not_crash_tools_list
✅ test_mcpb019_duplicate_outputs_both_tools_listed
✅ test_mcpb020_duplicate_outputs_both_callable
✅ test_mcpb021_duplicate_outputs_find_by_output_returns_primary
✅ test_mcpb022_tool_names_within_64_chars
✅ test_mcpb023_long_callback_ids_within_64_chars
✅ test_mcpb024_pattern_matching_ids_within_64_chars
✅ test_mcpb025_duplicate_func_names_produce_unique_tools
✅ test_mcpb026_builtin_tools_always_present
✅ test_mcpb027_mcp_tool_with_label_and_date_picker_schema
✅ test_mcpb028_query_component_returns_structured_output
tests.integration.mcp.test_mcp_endpoint
✅ test_mcpe001_post_initialize_returns_protocol_version
✅ test_mcpe002_post_tools_list
✅ test_mcpe003_notification_returns_202
✅ test_mcpe004_delete_returns_405
✅ test_mcpe005_get_returns_405
✅ test_mcpe006_post_rejects_wrong_content_type
✅ test_mcpe007_routes_not_registered_when_disabled
✅ test_mcpe008_routes_respect_pathname_prefix
✅ test_mcpe009_enable_mcp_env_var_false
✅ test_mcpe010_constructor_overrides_env_var
tests.integration.mcp.test_mcp_resources
✅ test_mcpz001_resources_list_includes_layout
✅ test_mcpz002_read_layout_resource
tests.integration.mcp.test_mcp_session
✅ test_mcpse_e2e001_full_session_lifecycle
✅ test_mcpse_e2e002_stale_session_recovers_with_notifications
✅ test_mcpse_e2e003_capabilities_advertise_list_changed
tests.integration.multi_page.test_pages_layout
✅ test_pala001_layout
✅ test_pala002_meta_tags_default
✅ test_pala003_meta_tags_custom
✅ test_pala004_no_layout_exception
✅ test_pala005_routing_inputs
✅ test_pala006_pages_external_library
✅ test_pala007_app_title_discription
tests.integration.multi_page.test_pages_order
✅ test_paor001_order
tests.integration.multi_page.test_pages_relative_path
✅ test_pare001_relative_path
✅ test_pare002_relative_path_with_url_base_pathname
✅ test_pare003_absolute_path
tests.integration.renderer.test_add_receive_props
✅ test_rdarp001_add_receive_props
tests.integration.renderer.test_array_of_exact_or_shape_with_node_prop_assign_none
✅ test_aoeoswnpsn001_array_of_exact_or_shape_with_node_prop_assign_none
tests.integration.renderer.test_benchmarking
✅ test_compute_graph_timing[dev_tools0-disabled]
✅ test_compute_graph_timing[dev_tools1-enabled]
tests.integration.renderer.test_children_reorder
✅ test_roc001_reorder_children
tests.integration.renderer.test_component_as_prop
✅ test_rdcap001_component_as_prop
✅ test_rdcap002_component_as_props_dynamic_id
✅ test_rdcap003_side_effect_regression
✅ test_rdcap003_side_effect_regression
✅ test_rdcap004_side_effect_same_component
tests.integration.renderer.test_dependencies
✅ test_rddp001_dependencies_on_components_that_dont_exist
tests.integration.renderer.test_descendant_listening
✅ test_dcl001_descendant_tabs
tests.integration.renderer.test_due_diligence
✅ test_rddd001_initial_state
✅ test_rddd002_falsy_child[0]
✅ test_rddd002_falsy_child[child1]
tests.integration.renderer.test_external_component
✅ test_rext001_render_external_component
✅ test_rext002_render_external_component_temp
tests.integration.renderer.test_iframe
✅ test_rdif001_sandbox_allow_scripts
tests.integration.renderer.test_loading_states
✅ test_rdls001_multi_loading_components
✅ test_rdls002_chained_loading_states
✅ test_rdls003_update_title[kwargs0-Updating...-False]
✅ test_rdls003_update_title[kwargs1-Dash-False]
✅ test_rdls003_update_title[kwargs2-Dash-False]
✅ test_rdls003_update_title[kwargs3-Hello World-False]
✅ test_rdls003_update_title[kwargs4-Updating...-True]
✅ test_rdls003_update_title[kwargs5-Dash-True]
✅ test_rdls003_update_title[kwargs6-Dash-True]
✅ test_rdls003_update_title[kwargs7-Hello World-True]
✅ test_rdls004_update_title_chained_callbacks[None]
✅ test_rdls004_update_title_chained_callbacks[Custom Update Title]
✅ test_rdls005_persistent_callback_no_update_title
tests.integration.renderer.test_multi_output
✅ test_rdmo001_single_input_multi_outputs_on_multiple_components
✅ test-results/test-main-results-py3.12-group3/junit_intg.xml
107 tests were completed in 292s with 106 passed, 0 failed and 1 skipped.
✅ test-results/test-main-results-py3.8-group1/junit_intg.xml
134 tests were completed in 269s with 132 passed, 0 failed and 2 skipped.
✅ test-results/test-main-results-py3.8-group2/junit_intg.xml
113 tests were completed in 433s with 111 passed, 0 failed and 2 skipped.
✅ test-results/test-main-results-py3.8-group3/junit_intg.xml
97 tests were completed in 248s with 96 passed, 0 failed and 1 skipped.
Annotations
Check failure on line 0 in test-results/background-test-results-py3.12/junit_background.xml
github-actions / Test Results Summary
pytest ► bgtests.tests.background_callback.test_basic_long_callback008 ► test_lcbc008_long_callbacks_error[diskcache]
Failed test found in:
test-results/background-test-results-py3.12/junit_background.xml
Error:
self = <dash.testing.composite.DashComposite object at 0x7f989243ae70>
Raw output
self = <dash.testing.composite.DashComposite object at 0x7f989243ae70>
method = <function presence_of_element_located.<locals>._predicate at 0x7f989282ede0>
timeout = None
msg = 'timeout 10s => waiting for selector #button:not([disabled])'
def _wait_for(self, method, timeout, msg):
"""Abstract generic pattern for explicit WebDriverWait."""
try:
_wait = (
self._wd_wait
if timeout is None
else WebDriverWait(self.driver, timeout)
)
logger.debug(
"method, timeout, poll => %s %s %s",
method,
_wait._timeout, # pylint: disable=protected-access
_wait._poll, # pylint: disable=protected-access
)
> return _wait.until(method)
^^^^^^^^^^^^^^^^^^^
/opt/hostedtoolcache/Python/3.12.13/x64/lib/python3.12/site-packages/dash/testing/browser.py:287:
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
self = <selenium.webdriver.support.wait.WebDriverWait (session="721b313d8174ae7cd06f8b78f89200c2")>
method = <function presence_of_element_located.<locals>._predicate at 0x7f989282ede0>
message = ''
def until(self, method, message=''):
"""Calls the method provided with the driver as an argument until the \
return value does not evaluate to ``False``.
:param method: callable(WebDriver)
:param message: optional message for :exc:`TimeoutException`
:returns: the result of the last call to `method`
:raises: :exc:`selenium.common.exceptions.TimeoutException` if timeout occurs
"""
screen = None
stacktrace = None
end_time = time.monotonic() + self._timeout
while True:
try:
value = method(self._driver)
if value:
return value
except self._ignored_exceptions as exc:
screen = getattr(exc, 'screen', None)
stacktrace = getattr(exc, 'stacktrace', None)
time.sleep(self._poll)
if time.monotonic() > end_time:
break
> raise TimeoutException(message, screen, stacktrace)
E selenium.common.exceptions.TimeoutException: Message:
E Stacktrace:
E #0 0x55a84290ab6a <unknown>
E #1 0x55a84230c265 <unknown>
E #2 0x55a84235ef76 <unknown>
E #3 0x55a84235f1b1 <unknown>
E #4 0x55a8423aa7d4 <unknown>
E #5 0x55a8423a7969 <unknown>
E #6 0x55a8423525cf <unknown>
E #7 0x55a842353391 <unknown>
E #8 0x55a8428d004b <unknown>
E #9 0x55a8428d300d <unknown>
E #10 0x55a8428bc808 <unknown>
E #11 0x55a8428d3ba0 <unknown>
E #12 0x55a8428a3280 <unknown>
E #13 0x55a8428f7db8 <unknown>
E #14 0x55a8428f7f88 <unknown>
E #15 0x55a8429095de <unknown>
E #16 0x7fdd47a9caa4 <unknown>
E #17 0x7fdd47b29c6c <unknown>
/opt/hostedtoolcache/Python/3.12.13/x64/lib/python3.12/site-packages/selenium/webdriver/support/wait.py:87: TimeoutException
The above exception was the direct cause of the following exception:
dash_duo = <dash.testing.composite.DashComposite object at 0x7f989243ae70>
manager = 'diskcache'
@pytest.mark.skipif(
sys.version_info < (3, 7), reason="Python 3.6 long callbacks tests hangs up"
)
def test_lcbc008_long_callbacks_error(dash_duo, manager):
with setup_background_callback_app(manager, "app_error") as app:
dash_duo.start_server(
app,
debug=True,
use_reloader=False,
use_debugger=True,
dev_tools_hot_reload=False,
dev_tools_ui=True,
)
clicker = dash_duo.wait_for_element("#button")
def click_n_wait():
clicker.click()
dash_duo.wait_for_element("#button:disabled")
dash_duo.wait_for_element("#button:not([disabled])")
clicker.click()
dash_duo.wait_for_text_to_equal("#output", "Clicked 1 times")
click_n_wait()
dash_duo.wait_for_element(".dash-fe-error__title").click()
dash_duo.driver.switch_to.frame(dash_duo.find_element("iframe"))
assert (
"dash.exceptions.BackgroundCallbackError: "
"An error occurred inside a background callback:"
in dash_duo.wait_for_element(".errormsg").text
)
dash_duo.driver.switch_to.default_content()
> click_n_wait()
tests/background_callback/test_basic_long_callback008.py:43:
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
tests/background_callback/test_basic_long_callback008.py:27: in click_n_wait
dash_duo.wait_for_element("#button:not([disabled])")
/opt/hostedtoolcache/Python/3.12.13/x64/lib/python3.12/site-packages/dash/testing/browser.py:298: in wait_for_element
return self.wait_for_element_by_css_selector(selector, timeout)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
/opt/hostedtoolcache/Python/3.12.13/x64/lib/python3.12/site-packages/dash/testing/browser.py:304: in wait_for_element_by_css_selector
return self._wait_for(
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
self = <dash.testing.composite.DashComposite object at 0x7f989243ae70>
method = <function presence_of_element_located.<locals>._predicate at 0x7f989282ede0>
timeout = None
msg = 'timeout 10s => waiting for selector #button:not([disabled])'
def _wait_for(self, method, timeout, msg):
"""Abstract generic pattern for explicit WebDriverWait."""
try:
_wait = (
self._wd_wait
if timeout is None
else WebDriverWait(self.driver, timeout)
)
logger.debug(
"method, timeout, poll => %s %s %s",
method,
_wait._timeout, # pylint: disable=protected-access
_wait._poll, # pylint: disable=protected-access
)
return _wait.until(method)
except Exception as err:
if callable(msg):
message = msg(self.driver)
else:
message = msg
> raise TimeoutException(str(message)) from err
E selenium.common.exceptions.TimeoutException: Message: timeout 10s => waiting for selector #button:not([disabled])
/opt/hostedtoolcache/Python/3.12.13/x64/lib/python3.12/site-packages/dash/testing/browser.py:293: TimeoutException
Check failure on line 0 in test-results/test-main-results-py3.12-group2/junit_intg.xml
github-actions / Test Results Summary
pytest ► tests.integration.mcp.test_mcp_background_tasks ► test_mcpbg016_per_callback_manager_lookup
Failed test found in:
test-results/test-main-results-py3.12-group2/junit_intg.xml
Error:
def test_mcpbg016_per_callback_manager_lookup():
Raw output
def test_mcpbg016_per_callback_manager_lookup():
"""``tasks/get`` uses the manager attached to the specific callback."""
manager_a = DiskcacheManager(diskcache.Cache())
manager_b = DiskcacheManager(diskcache.Cache())
app = Dash(__name__)
app.layout = html.Div(
[
html.Div(id="input_a"),
html.Div(id="output_a"),
html.Div(id="input_b"),
html.Div(id="output_b"),
]
)
@app.callback(
Output("output_a", "children"),
Input("input_a", "children"),
background=True,
manager=manager_a,
)
def callback_a(value):
time.sleep(0.5)
return f"a: {value}"
@app.callback(
Output("output_b", "children"),
Input("input_b", "children"),
background=True,
manager=manager_b,
)
def callback_b(value):
time.sleep(0.5)
return f"b: {value}"
client = app.server.test_client()
r = _post(
client,
"tools/call",
{"name": "callback_b", "arguments": {"value": "hello"}},
)
assert r.status_code == 200
task_info = json.loads(json.loads(r.data)["result"]["content"][0]["text"])
task_id = task_info["taskId"]
cache_key = task_id.split(":")[2]
deadline = time.time() + 5
while time.time() < deadline:
if manager_b.result_ready(cache_key):
break
time.sleep(0.1)
assert manager_b.result_ready(cache_key)
assert not manager_a.result_ready(cache_key)
r = _post(client, "tasks/get", {"taskId": task_id}, request_id=2)
assert r.status_code == 200
> assert json.loads(r.data)["result"]["status"] == "completed"
E AssertionError: assert 'working' == 'completed'
E
E - completed
E + working
tests/integration/mcp/test_mcp_background_tasks.py:326: AssertionError
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