New session with empty capabilities returns empty proxy property
Categories
(Remote Protocol :: WebDriver BiDi, defect, P3)
Tracking
(Not tracked)
People
(Reporter: james.h.evans.jr, Unassigned)
References
(Blocks 1 open bug, )
Details
(Whiteboard: [webdriver:backlog])
User Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:129.0) Gecko/20100101 Firefox/129.0
Steps to reproduce:
Send a new session request via the WebDriver BiDi protocol with no capabilities specified.
Payload:
{"id":1,"method":"session.new","params":{"capabilities":{}}}
Actual results:
The response contains a proxy property whose value is an empty object.
{"type":"success","id":1,"result":{"sessionId":"88a2cef9-42b3-4e96-9b58-9af8e798306e","capabilities":{"acceptInsecureCerts":false,"browserName":"firefox","browserVersion":"132.0a1","platformName":"mac","userAgent":"Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:132.0) Gecko/20100101 Firefox/132.0","moz:buildID":"20240903092500","moz:headless":false,"moz:platformVersion":"23.6.0","moz:processID":37377,"moz:profile":"/var/folders/c2/b_92c0_j45982zbd3b6vwp0r0000gp/T/webdriverbidi-net-firefox-data-dbb862ea-920b-43c6-8d38-2c12d34702b7","moz:shutdownTimeout":60000,"proxy":{}}}}
Expected results:
According to https://w3c.github.io/webdriver-bidi/#command-session-new, the proxy property is optional in a response. If the property is returned, https://w3c.github.io/webdriver-bidi/#type-session-ProxyConfiguration specifies that it is not permitted to be an empty object. Either omit the property in the response when there is no proxy specified, or provide a validly formed proxy configuration object.
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Updated•5 months ago
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Comment 1•5 months ago
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For WebDriver classic we always return the proxy even if it's empty:
https://searchfox.org/mozilla-central/rev/26a98a7ba56f315df146512c43449412f0592942/remote/shared/webdriver/Capabilities.sys.mjs#518-521
I wonder if Chrome and Safari actually return it these days and if we can get rid of it from the returned capabilities completely.
But that also depends on the outcome of https://github.com/w3c/webdriver/issues/1813.
Description
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