Trying to compare non-existing revisions, for example, by following an outdated diff link that points to deleted revisions, ends in unexpected error page when it should end in page not found.
Just open a node diff URL with non-existing revision IDs, such as http://localhost/node/1/revisions/view/998/999/visual_inline
Review the node diff controller to throw page not found exception when no revision found.
Review, test?.
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Needs work
1.0
Code
The change is currently missing an automated test that fails when run with the original code, and succeeds when the bug has been fixed.
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It's likely this issue predates Contrib.social: some issue and comment data are missing.
I've tested the patch and it's working fine for me
Please do not mark issues RTBC if they are not passing tests. We also need test coverage for the new functionality.