[Webkit-unassigned] [Bug 253153] New: REGRESSION (260935 at main): [ macOS wk2 ] Caught exception: undefined is not an object (evaluating 'element.addEventListener')

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=253153

            Bug ID: 253153
           Summary: REGRESSION (260935 at main): [ macOS wk2 ] Caught
                    exception: undefined is not an object (evaluating
                    'element.addEventListener')
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: New Bugs
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: rackler at apple.com

Description:
media/media-source/media-source-webm-append-buffer-after-abort.html
media/media-source/media-source-webm-init-inside-segment.html
media/media-source/media-source-webm.html

media/media-source/media-source-webm tests have two consistent failures and one flaky failure on wk2 after 260935 at main. 

The first failure I saw on the dashboard was on 2/28/2023 at 260935 at main.

Test run:
https://build.webkit.org/#/builders/708/builds/1505

Results: 
https://build.webkit.org/results/Apple-Ventura-Release-WK2-Tests/260938@main%20(1505)/results.html

History:
https://results.webkit.org/?suite=layout-tests&suite=layout-tests&suite=layout-tests&test=media%2Fmedia-source%2Fmedia-source-webm-append-buffer-after-abort.html&test=media%2Fmedia-source%2Fmedia-source-webm-init-inside-segment.html&test=media%2Fmedia-source%2Fmedia-source-webm.html&platform=mac

Diff:
https://build.webkit.org/results/Apple-Ventura-Release-WK2-Tests/260938@main%20(1505)/media/media-source/media-source-webm-append-buffer-after-abort-pretty-diff.html
https://build.webkit.org/results/Apple-Ventura-Release-WK2-Tests/260938@main%20(1505)/media/media-source/media-source-webm-append-buffer-after-abort-pretty-diff.html

--- /Volumes/Data/worker/Apple-Ventura-Release-WK2-Tests/build/layout-test-results/media/media-source/media-source-webm-append-buffer-after-abort-expected.txt
+++ /Volumes/Data/worker/Apple-Ventura-Release-WK2-Tests/build/layout-test-results/media/media-source/media-source-webm-append-buffer-after-abort-actual.txt
@@ -4,12 +4,11 @@
 EVENT(sourceopen)
 RUN(source.duration = loader.duration())
 RUN(sourceBuffer = source.addSourceBuffer(loader.type()))
+NotSupportedError: The operation is not supported.
 RUN(sourceBuffer.abort())
+TypeError: undefined is not an object (evaluating 'sourceBuffer.abort')
 RUN(sourceBuffer.appendBuffer(loader.initSegment()))
-EVENT(update)
-Append a media segment.
-RUN(sourceBuffer.appendBuffer(loader.mediaSegment(0)))
-EVENT(update)
-EVENT(canplaythrough)
+TypeError: undefined is not an object (evaluating 'sourceBuffer.appendBuffer')
+Caught exception: "TypeError: undefined is not an object (evaluating 'element.addEventListener')" FAIL
 END OF TEST

https://build.webkit.org/results/Apple-Ventura-Release-WK2-Tests/260938@main%20(1505)/media/media-source/media-source-webm-init-inside-segment-diff.txt
https://build.webkit.org/results/Apple-Ventura-Release-WK2-Tests/260938@main%20(1505)/media/media-source/media-source-webm-init-inside-segment-pretty-diff.html

--- /Volumes/Data/worker/Apple-Ventura-Release-WK2-Tests/build/layout-test-results/media/media-source/media-source-webm-init-inside-segment-expected.txt
+++ /Volumes/Data/worker/Apple-Ventura-Release-WK2-Tests/build/layout-test-results/media/media-source/media-source-webm-init-inside-segment-actual.txt
@@ -4,16 +4,9 @@
 EVENT(sourceopen)
 RUN(source.duration = loader.duration())
 RUN(sourceBuffer = source.addSourceBuffer(loader.type()))
+NotSupportedError: The operation is not supported.
 RUN(sourceBuffer.appendBuffer(loader.initSegment()))
-EVENT(update)
-Append a media segment.
-RUN(sourceBuffer.appendBuffer(loader.mediaSegment(0)))
-EVENT(update)
-Append a new Initialization Segment.
-RUN(sourceBuffer.appendBuffer(loader.initSegment()))
-EVENT(update)
-Append a media segment.
-RUN(sourceBuffer.appendBuffer(loader.mediaSegment(1)))
-EVENT(update)
+TypeError: undefined is not an object (evaluating 'sourceBuffer.appendBuffer')
+Caught exception: "TypeError: undefined is not an object (evaluating 'element.addEventListener')" FAIL
 END OF TEST


https://build.webkit.org/results/Apple-Ventura-Release-WK2-Tests/260938@main%20(1505)/media/media-source/media-source-webm-diff.txt
https://build.webkit.org/results/Apple-Ventura-Release-WK2-Tests/260938@main%20(1505)/media/media-source/media-source-webm-pretty-diff.html

--- /Volumes/Data/worker/Apple-Ventura-Release-WK2-Tests/build/layout-test-results/media/media-source/media-source-webm-expected.txt
+++ /Volumes/Data/worker/Apple-Ventura-Release-WK2-Tests/build/layout-test-results/media/media-source/media-source-webm-actual.txt
@@ -4,13 +4,9 @@
 EVENT(sourceopen)
 RUN(source.duration = loader.duration())
 RUN(sourceBuffer = source.addSourceBuffer(loader.type()))
+NotSupportedError: The operation is not supported.
 RUN(sourceBuffer.appendBuffer(loader.initSegment()))
-EVENT(update)
-EXPECTED (resizeEventFired == 'true') OK
-EXPECTED ((videoWidth == 320 || videoWidth == 0) == 'true') OK
-EXPECTED ((videoHeight == 240 || videoHeight == 0) == 'true') OK
-Append a media segment.
-RUN(sourceBuffer.appendBuffer(loader.mediaSegment(0)))
-EVENT(update)
+TypeError: undefined is not an object (evaluating 'sourceBuffer.appendBuffer')
+Caught exception: "TypeError: undefined is not an object (evaluating 'element.addEventListener')" FAIL
 END OF TEST

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