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MCP Server Part 9: Background callbacks #1385

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MCP Server Part 9: Background callbacks

MCP Server Part 9: Background callbacks #1385

Re-run triggered May 8, 2026 23:05
@KoolADE85KoolADE85
#3766
feature/mcp-background-callbacks
Status Failure
Total duration 15m 21s
Artifacts 13

testing.yml

on: pull_request
Build Dash Package
2m 46s
Build Dash Package
Detect Relevant Path Changes
4s
Detect Relevant Path Changes
Build on Windows
6m 33s
Build on Windows
Matrix: test-main
Matrix: lint-unit
Typing Tests
3m 5s
Typing Tests
Matrix: dcc-test
Matrix: html-test
Matrix: background-callbacks
Matrix: table-server
Dash Table Visual Tests
Dash Table Visual Tests
Matrix: dcc-lint
Matrix: table-unit
Finalize Percy Snapshots
12s
Finalize Percy Snapshots
Consolidated Test Report
11s
Consolidated Test Report
Report Percy Table Skipped
4s
Report Percy Table Skipped
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39 errors and 3 warnings
Run Background & Async Callback Tests (Python 3.9)
Process completed with exit code 1.
Run Background & Async Callback Tests (Python 3.12)
Process completed with exit code 1.
pytest ► bgtests.tests.background_callback.test_basic_long_callback001 ► test_lcbc001_fast_input[celery]: test-results/background-test-results-py3.12/junit_background.xml#L0
Failed test found in: test-results/background-test-results-py3.12/junit_background.xml Error: self = <dash.testing.composite.DashComposite object at 0x7fb258374dd0>
pytest ► bgtests.tests.background_callback.test_basic_long_callback002 ► test_lcbc002_long_callback_running[celery]: test-results/background-test-results-py3.12/junit_background.xml#L0
Failed test found in: test-results/background-test-results-py3.12/junit_background.xml Error: self = <dash.testing.composite.DashComposite object at 0x7fb25bf890a0>
pytest ► bgtests.tests.background_callback.test_basic_long_callback003 ► test_lcbc003_long_callback_running_cancel[celery]: test-results/background-test-results-py3.12/junit_background.xml#L0
Failed test found in: test-results/background-test-results-py3.12/junit_background.xml Error: self = <dash.testing.composite.DashComposite object at 0x7fb261a98170>
pytest ► bgtests.tests.background_callback.test_basic_long_callback004 ► test_lcbc004_long_callback_progress[celery]: test-results/background-test-results-py3.12/junit_background.xml#L0
Failed test found in: test-results/background-test-results-py3.12/junit_background.xml Error: self = <dash.testing.composite.DashComposite object at 0x7fb2617e7380>
pytest ► bgtests.tests.background_callback.test_basic_long_callback006 ► test_lcbc006_long_callback_caching_multi[celery]: test-results/background-test-results-py3.12/junit_background.xml#L0
Failed test found in: test-results/background-test-results-py3.12/junit_background.xml Error: self = <dash.testing.composite.DashComposite object at 0x7fb26165d3a0>
pytest ► bgtests.tests.background_callback.test_basic_long_callback007 ► test_lcbc007_validation_layout[celery]: test-results/background-test-results-py3.12/junit_background.xml#L0
Failed test found in: test-results/background-test-results-py3.12/junit_background.xml Error: self = <dash.testing.composite.DashComposite object at 0x7fb261359f10>
pytest ► bgtests.tests.background_callback.test_basic_long_callback008 ► test_lcbc008_long_callbacks_error[celery]: test-results/background-test-results-py3.12/junit_background.xml#L0
Failed test found in: test-results/background-test-results-py3.12/junit_background.xml Error: self = <dash.testing.composite.DashComposite object at 0x7fb2610b68d0>
pytest ► bgtests.tests.background_callback.test_basic_long_callback009 ► test_lcbc009_short_interval[celery]: test-results/background-test-results-py3.12/junit_background.xml#L0
Failed test found in: test-results/background-test-results-py3.12/junit_background.xml Error: self = <dash.testing.composite.DashComposite object at 0x7fb260fcb110>
pytest ► bgtests.tests.background_callback.test_basic_long_callback010 ► test_lcbc010_side_updates[celery]: test-results/background-test-results-py3.12/junit_background.xml#L0
Failed test found in: test-results/background-test-results-py3.12/junit_background.xml Error: self = <dash.testing.composite.DashComposite object at 0x7fb260e980b0>
pytest ► bgtests.tests.background_callback.test_basic_long_callback011 ► test_lcbc011_long_pattern_matching[celery]: test-results/background-test-results-py3.12/junit_background.xml#L0
Failed test found in: test-results/background-test-results-py3.12/junit_background.xml Error: self = <dash.testing.composite.DashComposite object at 0x7fb2611326f0>
pytest ► bgtests.tests.background_callback.test_basic_long_callback012 ► test_lcbc012_long_callback_ctx[celery]: test-results/background-test-results-py3.12/junit_background.xml#L0
Failed test found in: test-results/background-test-results-py3.12/junit_background.xml Error: dash_duo = <dash.testing.composite.DashComposite object at 0x7fb260d726f0>
pytest ► bgtests.tests.background_callback.test_basic_long_callback013 ► test_lcbc013_unordered_state_input[celery]: test-results/background-test-results-py3.12/junit_background.xml#L0
Failed test found in: test-results/background-test-results-py3.12/junit_background.xml Error: self = <dash.testing.composite.DashComposite object at 0x7fb260c8ebd0>
pytest ► bgtests.tests.background_callback.test_basic_long_callback014 ► test_lcbc014_progress_delete[celery]: test-results/background-test-results-py3.12/junit_background.xml#L0
Failed test found in: test-results/background-test-results-py3.12/junit_background.xml Error: self = <dash.testing.composite.DashComposite object at 0x7fb260b4cf50>
pytest ► bgtests.tests.background_callback.test_basic_long_callback015 ► test_lcbc015_diff_outputs_same_func[celery]: test-results/background-test-results-py3.12/junit_background.xml#L0
Failed test found in: test-results/background-test-results-py3.12/junit_background.xml Error: self = <dash.testing.composite.DashComposite object at 0x7fb260c126f0>
pytest ► bgtests.tests.background_callback.test_basic_long_callback016 ► test_lcbc016_multi_page_cancel[celery]: test-results/background-test-results-py3.12/junit_background.xml#L0
Failed test found in: test-results/background-test-results-py3.12/junit_background.xml Error: self = <dash.testing.composite.DashComposite object at 0x7fb25bdd26f0>
pytest ► bgtests.tests.background_callback.test_basic_long_callback017 ► test_lcbc017_long_callback_set_props[celery]: test-results/background-test-results-py3.12/junit_background.xml#L0
Failed test found in: test-results/background-test-results-py3.12/junit_background.xml Error: self = <dash.testing.composite.DashComposite object at 0x7fb25bc95820>
pytest ► bgtests.tests.background_callback.test_basic_long_callback018 ► test_lcbc018_background_callback_on_error[celery]: test-results/background-test-results-py3.12/junit_background.xml#L0
Failed test found in: test-results/background-test-results-py3.12/junit_background.xml Error: self = <dash.testing.composite.DashComposite object at 0x7fb260c4b470>
pytest ► bgtests.tests.background_callback.test_ctx_cookies ► test_lcbc019_ctx_cookies[celery]: test-results/background-test-results-py3.12/junit_background.xml#L0
Failed test found in: test-results/background-test-results-py3.12/junit_background.xml Error: self = <dash.testing.composite.DashComposite object at 0x7fb25b9f8530>
pytest ► bgtests.tests.background_callback.test_basic_long_callback001 ► test_lcbc001_fast_input[celery]: test-results/background-test-results-py3.9/junit_background.xml#L0
Failed test found in: test-results/background-test-results-py3.9/junit_background.xml Error: self = <dash.testing.composite.DashComposite object at 0x7fa6489e6b50>
pytest ► bgtests.tests.background_callback.test_basic_long_callback002 ► test_lcbc002_long_callback_running[celery]: test-results/background-test-results-py3.9/junit_background.xml#L0
Failed test found in: test-results/background-test-results-py3.9/junit_background.xml Error: self = <dash.testing.composite.DashComposite object at 0x7fa64ae35eb0>
pytest ► bgtests.tests.background_callback.test_basic_long_callback003 ► test_lcbc003_long_callback_running_cancel[celery]: test-results/background-test-results-py3.9/junit_background.xml#L0
Failed test found in: test-results/background-test-results-py3.9/junit_background.xml Error: self = <dash.testing.composite.DashComposite object at 0x7fa648917df0>
pytest ► bgtests.tests.background_callback.test_basic_long_callback004 ► test_lcbc004_long_callback_progress[celery]: test-results/background-test-results-py3.9/junit_background.xml#L0
Failed test found in: test-results/background-test-results-py3.9/junit_background.xml Error: self = <dash.testing.composite.DashComposite object at 0x7fa64bdfb310>
pytest ► bgtests.tests.background_callback.test_basic_long_callback006 ► test_lcbc006_long_callback_caching_multi[celery]: test-results/background-test-results-py3.9/junit_background.xml#L0
Failed test found in: test-results/background-test-results-py3.9/junit_background.xml Error: self = <dash.testing.composite.DashComposite object at 0x7fa64ac99280>
pytest ► bgtests.tests.background_callback.test_basic_long_callback007 ► test_lcbc007_validation_layout[celery]: test-results/background-test-results-py3.9/junit_background.xml#L0
Failed test found in: test-results/background-test-results-py3.9/junit_background.xml Error: self = <dash.testing.composite.DashComposite object at 0x7fa64b8c3d30>
pytest ► bgtests.tests.background_callback.test_basic_long_callback008 ► test_lcbc008_long_callbacks_error[celery]: test-results/background-test-results-py3.9/junit_background.xml#L0
Failed test found in: test-results/background-test-results-py3.9/junit_background.xml Error: self = <dash.testing.composite.DashComposite object at 0x7fa64b650eb0>
pytest ► bgtests.tests.background_callback.test_basic_long_callback009 ► test_lcbc009_short_interval[celery]: test-results/background-test-results-py3.9/junit_background.xml#L0
Failed test found in: test-results/background-test-results-py3.9/junit_background.xml Error: self = <dash.testing.composite.DashComposite object at 0x7fa64b5710a0>
pytest ► bgtests.tests.background_callback.test_basic_long_callback010 ► test_lcbc010_side_updates[celery]: test-results/background-test-results-py3.9/junit_background.xml#L0
Failed test found in: test-results/background-test-results-py3.9/junit_background.xml Error: self = <dash.testing.composite.DashComposite object at 0x7fa64b4020d0>
pytest ► bgtests.tests.background_callback.test_basic_long_callback011 ► test_lcbc011_long_pattern_matching[celery]: test-results/background-test-results-py3.9/junit_background.xml#L0
Failed test found in: test-results/background-test-results-py3.9/junit_background.xml Error: self = <dash.testing.composite.DashComposite object at 0x7fa64b2e6970>
pytest ► bgtests.tests.background_callback.test_basic_long_callback012 ► test_lcbc012_long_callback_ctx[celery]: test-results/background-test-results-py3.9/junit_background.xml#L0
Failed test found in: test-results/background-test-results-py3.9/junit_background.xml Error: dash_duo = <dash.testing.composite.DashComposite object at 0x7fa64b1e2f70>
pytest ► bgtests.tests.background_callback.test_basic_long_callback013 ► test_lcbc013_unordered_state_input[celery]: test-results/background-test-results-py3.9/junit_background.xml#L0
Failed test found in: test-results/background-test-results-py3.9/junit_background.xml Error: self = <dash.testing.composite.DashComposite object at 0x7fa64b1ad610>
pytest ► bgtests.tests.background_callback.test_basic_long_callback014 ► test_lcbc014_progress_delete[celery]: test-results/background-test-results-py3.9/junit_background.xml#L0
Failed test found in: test-results/background-test-results-py3.9/junit_background.xml Error: self = <dash.testing.composite.DashComposite object at 0x7fa64b047490>
pytest ► bgtests.tests.background_callback.test_basic_long_callback015 ► test_lcbc015_diff_outputs_same_func[celery]: test-results/background-test-results-py3.9/junit_background.xml#L0
Failed test found in: test-results/background-test-results-py3.9/junit_background.xml Error: self = <dash.testing.composite.DashComposite object at 0x7fa64b5e8400>
pytest ► bgtests.tests.background_callback.test_basic_long_callback016 ► test_lcbc016_multi_page_cancel[celery]: test-results/background-test-results-py3.9/junit_background.xml#L0
Failed test found in: test-results/background-test-results-py3.9/junit_background.xml Error: self = <dash.testing.composite.DashComposite object at 0x7fa64a9f7c40>
pytest ► bgtests.tests.background_callback.test_basic_long_callback017 ► test_lcbc017_long_callback_set_props[celery]: test-results/background-test-results-py3.9/junit_background.xml#L0
Failed test found in: test-results/background-test-results-py3.9/junit_background.xml Error: self = <dash.testing.composite.DashComposite object at 0x7fa64a98cdf0>
pytest ► bgtests.tests.background_callback.test_basic_long_callback018 ► test_lcbc018_background_callback_on_error[celery]: test-results/background-test-results-py3.9/junit_background.xml#L0
Failed test found in: test-results/background-test-results-py3.9/junit_background.xml Error: self = <dash.testing.composite.DashComposite object at 0x7fa64a7ccb80>
pytest ► bgtests.tests.background_callback.test_ctx_cookies ► test_lcbc019_ctx_cookies[celery]: test-results/background-test-results-py3.9/junit_background.xml#L0
Failed test found in: test-results/background-test-results-py3.9/junit_background.xml Error: self = <dash.testing.composite.DashComposite object at 0x7fa64a6d44c0>
Consolidated Test Report
Process completed with exit code 1.
Run Background & Async Callback Tests (Python 3.9)
Node.js 20 actions are deprecated. The following actions are running on Node.js 20 and may not work as expected: actions/checkout@v4, actions/download-artifact@v4, actions/setup-node@v4, actions/setup-python@v5, actions/upload-artifact@v4, browser-actions/setup-chrome@v1. Actions will be forced to run with Node.js 24 by default starting June 2nd, 2026. Node.js 20 will be removed from the runner on September 16th, 2026. Please check if updated versions of these actions are available that support Node.js 24. To opt into Node.js 24 now, set the FORCE_JAVASCRIPT_ACTIONS_TO_NODE24=true environment variable on the runner or in your workflow file. Once Node.js 24 becomes the default, you can temporarily opt out by setting ACTIONS_ALLOW_USE_UNSECURE_NODE_VERSION=true. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/
Run Background & Async Callback Tests (Python 3.12)
Node.js 20 actions are deprecated. The following actions are running on Node.js 20 and may not work as expected: actions/checkout@v4, actions/download-artifact@v4, actions/setup-node@v4, actions/setup-python@v5, actions/upload-artifact@v4, browser-actions/setup-chrome@v1. Actions will be forced to run with Node.js 24 by default starting June 2nd, 2026. Node.js 20 will be removed from the runner on September 16th, 2026. Please check if updated versions of these actions are available that support Node.js 24. To opt into Node.js 24 now, set the FORCE_JAVASCRIPT_ACTIONS_TO_NODE24=true environment variable on the runner or in your workflow file. Once Node.js 24 becomes the default, you can temporarily opt out by setting ACTIONS_ALLOW_USE_UNSECURE_NODE_VERSION=true. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/
Consolidated Test Report
Node.js 20 actions are deprecated. The following actions are running on Node.js 20 and may not work as expected: actions/checkout@v4, actions/download-artifact@v4, dorny/test-reporter@v1. Actions will be forced to run with Node.js 24 by default starting June 2nd, 2026. Node.js 20 will be removed from the runner on September 16th, 2026. Please check if updated versions of these actions are available that support Node.js 24. To opt into Node.js 24 now, set the FORCE_JAVASCRIPT_ACTIONS_TO_NODE24=true environment variable on the runner or in your workflow file. Once Node.js 24 becomes the default, you can temporarily opt out by setting ACTIONS_ALLOW_USE_UNSECURE_NODE_VERSION=true. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/

Artifacts

Produced during runtime
Name Size Digest
background-test-results-py3.12 Expired
5.78 KB
sha256:7ca148ee4399921fbe1299896d8881b9aa0eaaea3b4336b619f3d166e50eacfa
background-test-results-py3.9 Expired
5.75 KB
sha256:90f14c2650d02f04c5fc97d6d0b6fa9af04e8b284427a0131b275d31e0306255