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MCP Server Part 9: Background callbacks #1379

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MCP Server Part 9: Background callbacks

MCP Server Part 9: Background callbacks #1379

Triggered via pull request May 8, 2026 22:11
@KoolADE85KoolADE85
synchronize #3766
feature/mcp-background-callbacks
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Total duration 19m 10s
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testing.yml

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44 errors, 16 warnings, and 1 notice
Lint & Unit Tests (Python 3.12)
Process completed with exit code 1.
Typing Tests
Process completed with exit code 1.
Main Dash Tests (Python 3.8, Group 2)
Process completed with exit code 1.
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 0x7fcf475c5100>
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 0x7fcf4634f560>
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 0x7fcf57b630b0>
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 0x7fcf579c62a0>
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 0x7fcf57876270>
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 0x7fcf574a70b0>
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 0x7fcf5720ee40>
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 0x7fcf57291d60>
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 0x7fcf5707ef60>
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 0x7fcf5701bbf0>
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 0x7fcf56f33bf0>
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 0x7fcf56e03a70>
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 0x7fcf56e6f770>
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 0x7fcf473b1280>
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 0x7fcf4725ee10>
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 0x7fcf47163a70>
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 0x7fcf4708ba70>
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 0x7fcf46f79580>
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 0x7f0fbcf6b940>
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 0x7f0fcf2b9c40>
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 0x7f0fbce8c340>
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 0x7f0fcef80370>
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 0x7f0fceea1580>
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 0x7f0fce9a8f70>
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 0x7f0fce785bb0>
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 0x7f0fce64fbe0>
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 0x7f0fce5626d0>
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 0x7f0fce509520>
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 0x7f0fce1f0c40>
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 0x7f0fce1d32e0>
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 0x7f0fce0918e0>
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 0x7f0fcdfcf0a0>
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 0x7f0fce0a8370>
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 0x7f0fcdd55ac0>
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 0x7f0fcdc1ee20>
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 0x7f0fcdb93d60>
pytest ► tests.integration.devtools.test_callback_validation ► test_dvcv013_circular_3_step: test-results/test-main-results-py3.8-group2/junit_intg.xml#L0
Failed test found in: test-results/test-main-results-py3.8-group2/junit_intg.xml Error: dash_duo = <dash.testing.composite.DashComposite object at 0x7f79244c7790>
pytest ► tests.integration.renderer.test_dependencies ► test_rddp001_dependencies_on_components_that_dont_exist: test-results/test-main-results-py3.8-group2/junit_intg.xml#L0
Failed test found in: test-results/test-main-results-py3.8-group2/junit_intg.xml Error: dash_duo = <dash.testing.composite.DashComposite object at 0x7f7919c97430>
Consolidated Test Report
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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/
Main Dash Tests (Python 3.12, Group 2)
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 3.9)
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/
Build on Windows
NOTICE: windows-2025 requests are being redirected to windows-2025-vs2026 by May 12, 2026

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