[Webkit-unassigned] [Bug 48002] New: network-simulator.php makes for very slow layout tests

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=48002

           Summary: network-simulator.php makes for very slow layout tests
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: PC
        OS/Version: Mac OS X 10.5
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Tools / Tests
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: michaeln at google.com


The script simulates network errors with by forever redirecting back to requested url. Some layout tests make repeated use of this script in a single test run. On an unloaded system, each invocation can take many round trips and multiple seconds to trigger the desired error (depending on the underlying http stack). On a system trying to run tests in parallel, this slowness is more pronounced and timeouts result.

A few appcache layout tests use this script and at least one xhr test. In many (maybe all?) of the layout tests, an HTTP error would work as well as a network error for testing the logic, and would run a lot faster.

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