[Webkit-unassigned] [Bug 218563] New: WebKit returns error: "not implemented" for w3c-ActionChains using pointerType: "touch" using safaridriver

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=218563

            Bug ID: 218563
           Summary: WebKit returns error: "not implemented" for
                    w3c-ActionChains using pointerType: "touch" using
                    safaridriver
           Product: WebKit
           Version: Safari 14
          Hardware: iPhone / iPad
                OS: Other
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebDriver
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: bugzilla at nonvoid.de
                CC: bburg at apple.com

We implemented our own ActionChain that works in Safari 13. In Safari 14 it's not working anymore.

we use a POST-Request to the safaridriver binary (we tested technology preview and the standard one) to the session url "session/{{sessionId}}/actions" with JSON

{
    "actions": [
        {
            "type": "pointer",
            "id": "touch",
            "parameters": {
                "pointerType": "touch"
            },
            "actions": [
                {
                    "type": "pointerMove",
                    "duration": 0,
                    "origin": "viewport",
                    "x": 10,
                    "y": 20
                },
                {
                    "type": "pointerDown",
                    "button": 0
                },
                {
                    "type": "pointerUp",
                    "button": 0
                }
            ]
        }
    ]
}

this request returns

{
    "value": {
        "error": "not implemented",
        "message": "",
        "stacktrace": ""
    }
}

in Safari 14.

In Safari 13 it gives the expected 

{
    "value": null
}

and the action is executed.

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