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Diffstat (limited to 'testing/web-platform/tests/service-workers/service-worker/resources/update-recovery-worker.py')
-rw-r--r-- | testing/web-platform/tests/service-workers/service-worker/resources/update-recovery-worker.py | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/testing/web-platform/tests/service-workers/service-worker/resources/update-recovery-worker.py b/testing/web-platform/tests/service-workers/service-worker/resources/update-recovery-worker.py new file mode 100644 index 000000000..8aaa5ca93 --- /dev/null +++ b/testing/web-platform/tests/service-workers/service-worker/resources/update-recovery-worker.py @@ -0,0 +1,25 @@ +def main(request, response): + # Set mode to 'init' for initial fetch. + mode = 'init' + if 'update-recovery-mode' in request.cookies: + mode = request.cookies['update-recovery-mode'].value + + # no-cache itself to ensure the user agent finds a new version for each update. + headers = [('Cache-Control', 'no-cache, must-revalidate'), + ('Pragma', 'no-cache')] + + extra_body = '' + + if mode == 'init': + # Install a bad service worker that will break the controlled + # document navigation. + response.set_cookie('update-recovery-mode', 'bad') + extra_body = "addEventListener('fetch', function(e) { e.respondWith(Promise.reject()); });" + elif mode == 'bad': + # When the update tries to pull the script again, update to + # a worker service worker that does not break document + # navigation. Serve the same script from then on. + response.delete_cookie('update-recovery-mode') + + headers.append(('Content-Type', 'application/javascript')) + return headers, '%s' % (extra_body) |