moz-extension: redirect by webRequest is loaded in the wrong process in xpcshell test
Categories
(WebExtensions :: Request Handling, task)
Tracking
(Not tracked)
People
(Reporter: willdurand, Unassigned)
Details
Writing a xpcshell test case for https://bugzilla.mozilla.org/show_bug.cgi?id=1573456 revealed an issue: the process does not seem correct as there is no webRequest API for instance. That being said, a similar "browser" test works so this is likely a problem with the xpcshell env.
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Comment 1•5 years ago
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Yeah, currently (before Fission) process selection happens in browser code, and is totally missing from xpcshell tests (unless we implement it in our test suite).
So, I believe bug 1573456 should be tested using a browser mochitest, and I'm going to dupe this to bug 1580811, which is not strictly the same bug, but is related enough to not need a separate tracking bug.
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Comment 2•5 years ago
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@:zombie Does comment 1 imply that this feature (redirecting moz-extension:-pages to the correct process for TOP-LEVEL browsing contexts) is broken on Android / GeckoView ?
I want the xpcshell to pass so that we have some assurance that this works on GeckoView, but from your description it seems that a xpcshell test would not be a realistic proxy for actual browsers. If you know off the top of your head, I would appreciate some links to the source code that are responsible for assigning the processes in the browser. I believe that I saw the relevant code when I debugged other issues a few weeks ago, but I'm still interested in what you specifically had in mind with your comment.
Description
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