Skip to content

Test script child mutation doees not trigger script execution #58601

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
shannonbooth wants to merge 1 commit into
base: master
Choose a base branch
from
+36 −0

Test script child mutation does not trigger script execution

d227084
Select commit
Loading
Failed to load commit list.
Open

Test script child mutation doees not trigger script execution #58601

Test script child mutation does not trigger script execution
d227084
Select commit
Loading
Failed to load commit list.
Community-TC Integration / wpt-firefox-nightly-stability succeeded Mar 18, 2026 in 4m 24s

Community-TC (pull_request)

Verify that all tests affected by a pull request are stable when executed in firefox.

Details

View task in Taskcluster | View logs in Taskcluster | View task group in Taskcluster

Task Status

Started: 2026-03-18T21:34:28.918Z
Resolved: 2026-03-18T21:37:34.350Z
Task Execution Time: 3 minutes, 5 seconds, 432 milliseconds
Task Status: completed
Reason Resolved: completed
TaskId: B5Vx8Et8T9STOa3yX6mmKQ
RunId: 0

Artifacts

- public/logs/live_backing.log
- public/logs/live.log
- public/results/checkrun.md

WPT Command: python3 ./wpt run --channel=nightly --verify --verify-no-chaos-mode --verify-repeat-loop=0 --verify-repeat-restart=10 --github-checks-text-file=/home/test/artifacts/checkrun.md --affected base_head --log-mach-level=info --log-mach=- -y --no-pause --no-restart-on-unexpected --install-fonts --verify-log-full --no-headless --binary=/home/test/build/firefox/firefox firefox

[taskcluster 2026-03-18 21:34:29.084Z] Task ID: B5Vx8Et8T9STOa3yX6mmKQ
[taskcluster 2026-03-18 21:34:29.084Z] Worker ID: 8447744699100734667
[taskcluster 2026-03-18 21:34:29.084Z] Worker Group: us-central1-a
[taskcluster 2026-03-18 21:34:29.084Z] Worker Node Type: projects/757942385826/machineTypes/n2-standard-4
[taskcluster 2026-03-18 21:34:29.084Z] Worker Pool: proj-wpt/ci
[taskcluster 2026-03-18 21:34:29.084Z] Worker Version: 46.1.0
[taskcluster 2026-03-18 21:34:29.084Z] Public IP: 34.72.192.200
[taskcluster 2026-03-18 21:34:29.084Z] Hostname: proj-wpt-ci-npjz5s5httk4vnzk3fgjgw

ac811f28856d - Started downloading
ac811f28856d - Downloaded in 0.036 seconds
8f84a9f2102e - Started downloading
40516d781e70 - Started downloading
44ebbf800033 - Started downloading
44ebbf800033 - Downloaded in 0.044 seconds
8f84a9f2102e - Downloaded in 0.199 seconds
a8884b21e40e - Started downloading
4f4fb700ef54 - Started downloading
4f4fb700ef54 - Downloaded in 0.002 seconds
79c347416ee8 - Started downloading

...(1246 lines hidden)...

  FAIL Script execution is never triggered on child mutation - assert_false: Setting CharacterData.data does not trigger execution expected false got true
@http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/script-runs-on-character-data-mutation.window.js:22:15
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
test@http://web-platform.test:8000/resources/testharness.js:633:30
@http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/script-runs-on-character-data-mutation.window.js:2:5
  FAIL Script execution is never triggered on child mutation - assert_false: Setting CharacterData.data does not trigger execution expected false got true
@http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/script-runs-on-character-data-mutation.window.js:22:15
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
test@http://web-platform.test:8000/resources/testharness.js:633:30
@http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/script-runs-on-character-data-mutation.window.js:2:5
  FAIL Script execution is never triggered on child mutation - assert_false: Setting CharacterData.data does not trigger execution expected false got true
@http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/script-runs-on-character-data-mutation.window.js:22:15
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
test@http://web-platform.test:8000/resources/testharness.js:633:30
@http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/script-runs-on-character-data-mutation.window.js:2:5
  FAIL Script execution is never triggered on child mutation - assert_false: Setting CharacterData.data does not trigger execution expected false got true
@http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/script-runs-on-character-data-mutation.window.js:22:15
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
test@http://web-platform.test:8000/resources/testharness.js:633:30
@http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/script-runs-on-character-data-mutation.window.js:2:5
  FAIL Script execution is never triggered on child mutation - assert_false: Setting CharacterData.data does not trigger execution expected false got true
@http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/script-runs-on-character-data-mutation.window.js:22:15
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
test@http://web-platform.test:8000/resources/testharness.js:633:30
@http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/script-runs-on-character-data-mutation.window.js:2:5
 0:57.17 INFO Got 9 unexpected results, with 0 unexpected passes
 0:57.17 INFO Repetition 10 / 10
 0:57.17 SUITE_START: web-platform-test - running 1 tests
 0:57.17 INFO Using 1 child processes
 0:57.18 INFO Setting up ssl
 0:57.20 certutil b''
 0:57.23 certutil b''
 0:57.23 certutil b'\nCertificate Nickname                                         Trust Attributes\n                                                             SSL,S/MIME,JAR/XPI\n\nweb-platform-tests                                           CT,, \n'
 0:57.23 INFO Application command: /home/test/build/firefox/firefox --marionette --remote-allow-system-access about:blank -profile /tmp/tmpgomeu58h
 0:57.24 INFO Starting runner
 0:57.25 pid:4489 Full command: /home/test/build/firefox/firefox --marionette --remote-allow-system-access about:blank
pid:4489 [4489] Sandbox: CanCreateUserNamespace() clone() failure: EPERM
 0:57.75 pid:4489 1773869848076	Marionette	INFO	Marionette enabled
 0:57.86 pid:4489 1773869848185	Marionette	INFO	Listening on port 34115
 0:57.86 pid:4489 [Parent 4489, Main Thread] WARNING: Failed to create DBus proxy for org.a11y.Bus: Could not connect: Connection refused
 0:57.86 pid:4489 : 'glib warning', file /builds/worker/checkouts/gecko/toolkit/xre/nsSigHandlers.cpp:201
 0:57.87 pid:4489 ** (firefox-nightly:4489): WARNING **: 21:37:28.192: Failed to create DBus proxy for org.a11y.Bus: Could not connect: Connection refused
 0:58.86 pid:4489 console.error: services.settings:
 0:58.87 pid:4489   Message: EmptyDatabaseError: "main/nimbus-desktop-experiments" has not been synced yet
 0:58.87 pid:4489   Stack:
 0:58.87 pid:4489     EmptyDatabaseError@resource://services-settings/Database.sys.mjs:19:5
 0:58.87 pid:4489 list@resource://services-settings/Database.sys.mjs:96:13
 0:59.01 pid:4489 console.warn: BackupService: "There was an error while trying to get the Document's directory" [Exception... "Component returned failure code: 0x80004005 (NS_ERROR_FAILURE) [nsIProperties.get]"  nsresult: "0x80004005 (NS_ERROR_FAILURE)"  location: "JS frame :: resource:///modules/backup/BackupService.sys.mjs :: get docsDirFolderPath :: line 1204"  data: no]
 0:59.48 TEST_START: /html/semantics/scripting-1/the-script-element/script-runs-on-character-data-mutation.window.html
 0:59.94 TEST_END: Test OK. Subtests passed 0/1. Unexpected 1
FAIL Script execution is never triggered on child mutation - assert_false: Setting CharacterData.data does not trigger execution expected false got true
@http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/script-runs-on-character-data-mutation.window.js:22:15
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
test@http://web-platform.test:8000/resources/testharness.js:633:30
@http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/script-runs-on-character-data-mutation.window.js:2:5
FAIL Script execution is never triggered on child mutation - assert_false: Setting CharacterData.data does not trigger execution expected false got true
@http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/script-runs-on-character-data-mutation.window.js:22:15
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
test@http://web-platform.test:8000/resources/testharness.js:633:30
@http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/script-runs-on-character-data-mutation.window.js:2:5
FAIL Script execution is never triggered on child mutation - assert_false: Setting CharacterData.data does not trigger execution expected false got true
@http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/script-runs-on-character-data-mutation.window.js:22:15
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
test@http://web-platform.test:8000/resources/testharness.js:633:30
@http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/script-runs-on-character-data-mutation.window.js:2:5
FAIL Script execution is never triggered on child mutation - assert_false: Setting CharacterData.data does not trigger execution expected false got true
@http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/script-runs-on-character-data-mutation.window.js:22:15
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
test@http://web-platform.test:8000/resources/testharness.js:633:30
@http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/script-runs-on-character-data-mutation.window.js:2:5
FAIL Script execution is never triggered on child mutation - assert_false: Setting CharacterData.data does not trigger execution expected false got true
@http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/script-runs-on-character-data-mutation.window.js:22:15
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
test@http://web-platform.test:8000/resources/testharness.js:633:30
@http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/script-runs-on-character-data-mutation.window.js:2:5
FAIL Script execution is never triggered on child mutation - assert_false: Setting CharacterData.data does not trigger execution expected false got true
@http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/script-runs-on-character-data-mutation.window.js:22:15
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
test@http://web-platform.test:8000/resources/testharness.js:633:30
@http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/script-runs-on-character-data-mutation.window.js:2:5
FAIL Script execution is never triggered on child mutation - assert_false: Setting CharacterData.data does not trigger execution expected false got true
@http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/script-runs-on-character-data-mutation.window.js:22:15
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
test@http://web-platform.test:8000/resources/testharness.js:633:30
@http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/script-runs-on-character-data-mutation.window.js:2:5
FAIL Script execution is never triggered on child mutation - assert_false: Setting CharacterData.data does not trigger execution expected false got true
@http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/script-runs-on-character-data-mutation.window.js:22:15
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
test@http://web-platform.test:8000/resources/testharness.js:633:30
@http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/script-runs-on-character-data-mutation.window.js:2:5
FAIL Script execution is never triggered on child mutation - assert_false: Setting CharacterData.data does not trigger execution expected false got true
@http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/script-runs-on-character-data-mutation.window.js:22:15
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
test@http://web-platform.test:8000/resources/testharness.js:633:30
@http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/script-runs-on-character-data-mutation.window.js:2:5
FAIL Script execution is never triggered on child mutation - assert_false: Setting CharacterData.data does not trigger execution expected false got true
@http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/script-runs-on-character-data-mutation.window.js:22:15
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
test@http://web-platform.test:8000/resources/testharness.js:633:30
@http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/script-runs-on-character-data-mutation.window.js:2:5

 0:59.95 INFO No more tests
 0:59.95 pid:4489 1773869850275	Marionette	INFO	Stopped listening on port 34115
 1:00.42 INFO Browser exited with return code -15
 1:00.29 INFO Closing logging queue
 1:00.29 INFO queue closed
 1:00.43 SUITE_END

web-platform-test
~~~~~~~~~~~~~~~~~
Ran 20 checks (10 subtests, 10 tests)
Expected results: 10
Unexpected results: 10
  subtest: 10 (10 fail)

Unexpected Results
------------------
/html/semantics/scripting-1/the-script-element/script-runs-on-character-data-mutation.window.html
  FAIL Script execution is never triggered on child mutation - assert_false: Setting CharacterData.data does not trigger execution expected false got true
@http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/script-runs-on-character-data-mutation.window.js:22:15
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
test@http://web-platform.test:8000/resources/testharness.js:633:30
@http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/script-runs-on-character-data-mutation.window.js:2:5
  FAIL Script execution is never triggered on child mutation - assert_false: Setting CharacterData.data does not trigger execution expected false got true
@http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/script-runs-on-character-data-mutation.window.js:22:15
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
test@http://web-platform.test:8000/resources/testharness.js:633:30
@http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/script-runs-on-character-data-mutation.window.js:2:5
  FAIL Script execution is never triggered on child mutation - assert_false: Setting CharacterData.data does not trigger execution expected false got true
@http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/script-runs-on-character-data-mutation.window.js:22:15
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
test@http://web-platform.test:8000/resources/testharness.js:633:30
@http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/script-runs-on-character-data-mutation.window.js:2:5
  FAIL Script execution is never triggered on child mutation - assert_false: Setting CharacterData.data does not trigger execution expected false got true
@http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/script-runs-on-character-data-mutation.window.js:22:15
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
test@http://web-platform.test:8000/resources/testharness.js:633:30
@http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/script-runs-on-character-data-mutation.window.js:2:5
  FAIL Script execution is never triggered on child mutation - assert_false: Setting CharacterData.data does not trigger execution expected false got true
@http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/script-runs-on-character-data-mutation.window.js:22:15
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
test@http://web-platform.test:8000/resources/testharness.js:633:30
@http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/script-runs-on-character-data-mutation.window.js:2:5
  FAIL Script execution is never triggered on child mutation - assert_false: Setting CharacterData.data does not trigger execution expected false got true
@http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/script-runs-on-character-data-mutation.window.js:22:15
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
test@http://web-platform.test:8000/resources/testharness.js:633:30
@http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/script-runs-on-character-data-mutation.window.js:2:5
  FAIL Script execution is never triggered on child mutation - assert_false: Setting CharacterData.data does not trigger execution expected false got true
@http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/script-runs-on-character-data-mutation.window.js:22:15
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
test@http://web-platform.test:8000/resources/testharness.js:633:30
@http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/script-runs-on-character-data-mutation.window.js:2:5
  FAIL Script execution is never triggered on child mutation - assert_false: Setting CharacterData.data does not trigger execution expected false got true
@http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/script-runs-on-character-data-mutation.window.js:22:15
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
test@http://web-platform.test:8000/resources/testharness.js:633:30
@http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/script-runs-on-character-data-mutation.window.js:2:5
  FAIL Script execution is never triggered on child mutation - assert_false: Setting CharacterData.data does not trigger execution expected false got true
@http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/script-runs-on-character-data-mutation.window.js:22:15
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
test@http://web-platform.test:8000/resources/testharness.js:633:30
@http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/script-runs-on-character-data-mutation.window.js:2:5
  FAIL Script execution is never triggered on child mutation - assert_false: Setting CharacterData.data does not trigger execution expected false got true
@http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/script-runs-on-character-data-mutation.window.js:22:15
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
test@http://web-platform.test:8000/resources/testharness.js:633:30
@http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/script-runs-on-character-data-mutation.window.js:2:5
 1:00.43 INFO Got 10 unexpected results, with 0 unexpected passes
 1:00.43 wptserve INFO Stopped http server on 127.0.0.1:8000
 1:00.43 wptserve INFO Stopped http server on 127.0.0.1:8001
 1:00.44 wptserve INFO Stopped http server on 127.0.0.1:8002
 1:00.44 wptserve INFO Stopped http server on 127.0.0.1:8003
 1:00.45 wptserve INFO Stopped http server on 127.0.0.1:8443
 1:00.46 wptserve INFO Stopped http server on 127.0.0.1:8444
 1:00.47 wptserve INFO Stopped http server on 127.0.0.1:8445
 1:00.47 wptserve INFO Stopped http server on 127.0.0.1:8446
 1:00.47 wptserve INFO Stopped WebTransport over HTTP/3 server on 127.0.0.1:11000
 1:00.48 wptserve INFO Stopped http server on 127.0.0.1:9000
 1:00.63 wptserve INFO Close on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8888))
 1:00.63 wptserve INFO Close on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8889))
 1:00.68 INFO Removed font: Ahem.ttf
 1:00.70 INFO Closing logging queue
 1:00.70 INFO queue closed
 1:00.71 INFO ::: Ran 10 of expected 10 iterations.
 1:00.71 INFO ## All results ##

 1:00.71 INFO ### /html/semantics/scripting-1/the-script-element/script-runs-on-character-data-mutation.window.html ###
 1:00.71 INFO |                         Subtest                         | Results |                                            Messages                                           |
 1:00.71 INFO |---------------------------------------------------------|---------|-----------------------------------------------------------------------------------------------|
 1:00.71 INFO |                                                         | OK      |                                                                                               |
 1:00.71 INFO | `Script execution is never triggered on child mutation` | FAIL    | `assert_false: Setting CharacterData.data does not trigger execution expected false got true` |
 1:00.71 INFO 
 1:00.71 INFO ::: Running tests in a loop with restarts 10 times : PASS
 1:00.71 INFO :::
 1:00.71 INFO ::: Test verification PASS
 1:00.71 INFO :::
[taskcluster 2026-03-18 21:37:32.885Z] === Task Finished ===
[taskcluster 2026-03-18 21:37:33.269Z] Successful task run with exit code: 0 completed in 184.188 seconds
View more details on Community-TC Integration