1945849 - Perma [tier 2] devtools/client/debugger/test/mochitest/browser_dbg-preview-switch.js | Node is not focusable via the accessibility API: id: , tagName: BUTTON, className: theme-twisty -

Status: RESOLVED FIXED

(DevTools :: Debugger, defect, P5)

Description

[Treeherder Bug Filer]

Filed by: abutkovits [at] mozilla.com
Parsed log: https://treeherder.mozilla.org/logviewer?job_id=493239105&repo=autoland
Full log: https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/R1W41njaROCmoReWFZjEoQ/runs/0/artifacts/public/logs/live_backing.log

---

[task 2025-02-04T14:38:56.387Z] 14:38:56     INFO - TEST-START | devtools/client/debugger/test/mochitest/browser_dbg-preview-switch.js
[task 2025-02-04T14:38:56.405Z] 14:38:56     INFO - GECKO(996) | ### XPCOM_MEM_BLOAT_LOG defined -- logging bloat/leaks to /tmp/tmp6hukxz5m.mozrunner/runtests_leaks_tab_pid3550.log
[task 2025-02-04T14:38:58.736Z] 14:38:58     INFO - TEST-INFO | started process screentopng
[task 2025-02-04T14:38:58.922Z] 14:38:58     INFO - TEST-INFO | screentopng: exit 0
[task 2025-02-04T14:38:58.923Z] 14:38:58     INFO - Buffered messages logged at 14:38:56
[task 2025-02-04T14:38:58.923Z] 14:38:58     INFO - Entering test bound 
[task 2025-02-04T14:38:58.924Z] 14:38:58     INFO - Adding a new tab with URL: https://example.com/browser/devtools/client/debugger/test/mochitest/examples/doc-preview.html
[task 2025-02-04T14:38:58.924Z] 14:38:58     INFO - Tab added and finished loading
[task 2025-02-04T14:38:58.925Z] 14:38:58     INFO - Opening the toolbox
[task 2025-02-04T14:38:58.925Z] 14:38:58     INFO - Buffered messages logged at 14:38:57
[task 2025-02-04T14:38:58.925Z] 14:38:58     INFO - Toolbox opened and focused
[task 2025-02-04T14:38:58.925Z] 14:38:58     INFO - Waiting on sources: preview.js
[task 2025-02-04T14:38:58.926Z] 14:38:58     INFO - Finished waiting on sources: preview.js
[task 2025-02-04T14:38:58.926Z] 14:38:58     INFO - Check that switching between different previews doesn't release the underlying object actors
[task 2025-02-04T14:38:58.926Z] 14:38:58     INFO - Invoking in tab: classPreview()
[task 2025-02-04T14:38:58.927Z] 14:38:58     INFO - Waiting for the debugger to pause
[task 2025-02-04T14:38:58.927Z] 14:38:58     INFO - Waiting for state change: paused
[task 2025-02-04T14:38:58.927Z] 14:38:58     INFO - Finished waiting for state change: paused
[task 2025-02-04T14:38:58.928Z] 14:38:58     INFO - Finished waiting for state change: paused
[task 2025-02-04T14:38:58.928Z] 14:38:58     INFO - Waiting for state change: fetched frames
[task 2025-02-04T14:38:58.928Z] 14:38:58     INFO - --> The state was immediately correct (should rather do an immediate assertion?)
[task 2025-02-04T14:38:58.929Z] 14:38:58     INFO - Waiting for state change: selected source
[task 2025-02-04T14:38:58.929Z] 14:38:58     INFO - --> The state was immediately correct (should rather do an immediate assertion?)
[task 2025-02-04T14:38:58.929Z] 14:38:58     INFO - Get token at 50:44
[task 2025-02-04T14:38:58.929Z] 14:38:58     INFO - Buffered messages logged at 14:38:58
[task 2025-02-04T14:38:58.930Z] 14:38:58     INFO - Get token at 50:48
[task 2025-02-04T14:38:58.930Z] 14:38:58     INFO - Hovering on token <Foo>
[task 2025-02-04T14:38:58.930Z] 14:38:58     INFO - Switch between different previews multiple times
[task 2025-02-04T14:38:58.930Z] 14:38:58     INFO - Hovering on token <#privateStatic>
[task 2025-02-04T14:38:58.931Z] 14:38:58     INFO - Hovering on token <Foo>
[task 2025-02-04T14:38:58.931Z] 14:38:58     INFO - Hovering on token <#privateStatic>
[task 2025-02-04T14:38:58.931Z] 14:38:58     INFO - Hovering on token <Foo>
[task 2025-02-04T14:38:58.931Z] 14:38:58     INFO - Hovering on token <#privateStatic>
[task 2025-02-04T14:38:58.932Z] 14:38:58     INFO - Hovering on token <Foo>
[task 2025-02-04T14:38:58.932Z] 14:38:58     INFO - Hovering on token <#privateStatic>
[task 2025-02-04T14:38:58.932Z] 14:38:58     INFO - Hovering on token <Foo>
[task 2025-02-04T14:38:58.932Z] 14:38:58     INFO - Hovering on token <#privateStatic>
[task 2025-02-04T14:38:58.933Z] 14:38:58     INFO - Hovering on token <Foo>
[task 2025-02-04T14:38:58.933Z] 14:38:58     INFO - Try to expand a property
[task 2025-02-04T14:38:58.933Z] 14:38:58     INFO - Buffered messages finished
[task 2025-02-04T14:38:58.934Z] 14:38:58     INFO - TEST-UNEXPECTED-FAIL | devtools/client/debugger/test/mochitest/browser_dbg-preview-switch.js | Node is not focusable via the accessibility API: id: , tagName: BUTTON, className: theme-twisty - 
[task 2025-02-04T14:38:58.934Z] 14:38:58     INFO - Stack trace:
[task 2025-02-04T14:38:58.934Z] 14:38:58     INFO - chrome://mochikit/content/browser-test.js:test_ok:1599
[task 2025-02-04T14:38:58.934Z] 14:38:58     INFO - chrome://mochikit/content/tests/SimpleTest/AccessibilityUtils.js:a11yFail:756
[task 2025-02-04T14:38:58.934Z] 14:38:58     INFO - chrome://mochikit/content/tests/SimpleTest/AccessibilityUtils.js:assertFocusable:803
[task 2025-02-04T14:38:58.934Z] 14:38:58     INFO - chrome://mochikit/content/tests/SimpleTest/AccessibilityUtils.js:assertCanBeClicked:1174
[task 2025-02-04T14:38:58.934Z] 14:38:58     INFO - chrome://mochikit/content/tests/SimpleTest/AccessibilityUtils.js:runIfA11YChecks/this.AccessibilityUtils:1141
[task 2025-02-04T14:38:58.934Z] 14:38:58     INFO - chrome://mochikit/content/tests/SimpleTest/AccessibilityUtils.js:handleEvent:1258
[task 2025-02-04T14:38:58.934Z] 14:38:58     INFO - chrome://mochitests/content/browser/devtools/client/debugger/test/mochitest/shared-head.js:toggleExpanded/<:2943
[task 2025-02-04T14:38:58.934Z] 14:38:58     INFO - resource://testing-common/TestUtils.sys.mjs:tryOnce:309
[task 2025-02-04T14:38:59.787Z] 14:38:59     INFO - TEST-PASS | devtools/client/debugger/test/mochitest/browser_dbg-preview-switch.js | The property was expanded - 
[task 2025-02-04T14:38:59.787Z] 14:38:59     INFO - Leaving test bound 
[task 2025-02-04T14:39:00.055Z] 14:39:00     INFO - Removing tab.
[task 2025-02-04T14:39:00.056Z] 14:39:00     INFO - Waiting for event: 'TabClose' on [object XULElement].
[task 2025-02-04T14:39:00.061Z] 14:39:00     INFO - Got event: 'TabClose' on [object XULElement].
[task 2025-02-04T14:39:00.071Z] 14:39:00     INFO - Tab removed and finished closing
[task 2025-02-04T14:39:00.079Z] 14:39:00     INFO - GECKO(996) | JavaScript error: , line 0: NotFoundError: No such JSProcessActor 'DevToolsProcess'
[task 2025-02-04T14:39:00.080Z] 14:39:00     INFO - GECKO(996) | JavaScript error: , line 0: NotFoundError: No such JSProcessActor 'DevToolsProcess'
[task 2025-02-04T14:39:00.081Z] 14:39:00     INFO - GECKO(996) | JavaScript error: , line 0: NotFoundError: No such JSProcessActor 'DevToolsProcess'
[task 2025-02-04T14:39:00.081Z] 14:39:00     INFO - GECKO(996) | JavaScript error: , line 0: NotFoundError: No such JSProcessActor 'DevToolsProcess'
[task 2025-02-04T14:39:00.082Z] 14:39:00     INFO - GECKO(996) | JavaScript error: , line 0: NotFoundError: No such JSProcessActor 'DevToolsProcess'
[task 2025-02-04T14:39:00.084Z] 14:39:00     INFO - Console message: [JavaScript Error: "NotFoundError: No such JSProcessActor 'DevToolsProcess'"]
[task 2025-02-04T14:39:00.085Z] 14:39:00     INFO - Console message: [JavaScript Error: "NotFoundError: No such JSProcessActor 'DevToolsProcess'"]
[task 2025-02-04T14:39:00.086Z] 14:39:00     INFO - Console message: [JavaScript Error: "NotFoundError: No such JSProcessActor 'DevToolsProcess'"]
[task 2025-02-04T14:39:00.086Z] 14:39:00     INFO - Console message: [JavaScript Error: "NotFoundError: No such JSProcessActor 'DevToolsProcess'"]
[task 2025-02-04T14:39:00.087Z] 14:39:00     INFO - Console message: [JavaScript Error: "NotFoundError: No such JSProcessActor 'DevToolsProcess'"]
[task 2025-02-04T14:39:00.087Z] 14:39:00     INFO - TEST-PASS | devtools/client/debugger/test/mochitest/browser_dbg-preview-switch.js | The main process DevToolsServer has no pending connection when the test ends - 
[task 2025-02-04T14:39:00.087Z] 14:39:00     INFO - finish() was called, cleaning up and clearing debugger preferences...
[task 2025-02-04T14:39:00.398Z] 14:39:00     INFO - GECKO(996) | MEMORY STAT | vsize 20682MB | residentFast 865MB | heapAllocated 454MB
[task 2025-02-04T14:39:00.399Z] 14:39:00     INFO - TEST-OK | devtools/client/debugger/test/mochitest/browser_dbg-preview-switch.js | took 4012ms
[task 2025-02-04T14:39:00.409Z] 14:39:00     INFO - checking window state
[task 2025-02-04T14:39:00.420Z] 14:39:00     INFO - TEST-START | devtools/client/debugger/test/mochitest/browser_dbg-preview-wrapped-lines.js

Comment 2

[BugBot [:suhaib / :marco/ :calixte]]

Set release status flags based on info from the regressing bug 1944408

Comment 3

[Intermittent Failures Robot]

Summary

23 failures in 483 pushes (0.048 failures/push) were associated with this bug yesterday.

Repository breakdown:

• autoland: 22
• mozilla-central: 1

Platform and build breakdown:

• linux1804-64-qr: 23
  • opt: 23

Table

	a11y-checks
linux1804-64-qr--/opt	23

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1945849&startday=2025-02-04&endday=2025-02-04&tree=all

Comment 4

[Holger Benl]

Attachment: Bug 1945849 - [devtools] Set fail-if a11y_checks on browser_dbg-preview-switch.js r=jdescottes,#devtools-reviewers

Comment 5

[Pulsebot]

Pushed by [e-mail]:
https://hg.mozilla.org/integration/autoland/rev/8f8fbd5236fa
[devtools] Set fail-if a11y_checks on browser_dbg-preview-switch.js r=jdescottes,devtools-reviewers

Comment 6

[Serban Stanca [:SerbanS]]

https://hg.mozilla.org/mozilla-central/rev/8f8fbd5236fa

Comment 7

[Intermittent Failures Robot]

Summary

33 failures in 4309 pushes (0.008 failures/push) were associated with this bug in the last 7 days.

This failure happened more than 30 times this week! Resolving this bug is a high priority.

Try to resolve this bug as soon as possible. If unresolved for 2 weeks, the affected test(s) may be disabled.

Repository breakdown:

• autoland: 31
• mozilla-central: 2

Platform and build breakdown:

• linux1804-64-qr: 33
  • opt: 33

Table

	a11y-checks
linux1804-64-qr--/opt	33

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1945849&startday=2025-02-03&endday=2025-02-09&tree=all