Remote/News

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Highlights in recent work on Remote Protocol and WebDriver BiDi.

2020-12-19

We are gradually publishing blog posts about how our work in Firefox is helping the web testing ecosystem.

For the past months, the team has been focused on adding site-isolation support for Marionette and participating in the standardization process for WebDriver BiDi.

Aside from that, we also landed a number of small improvements to our Remote Protocol implementation. Here are some highlights:

f6fd4b85734e    Henrik Skupin   Bug 1641839 - [remote] Only emit Page.frameAttached and Page.frameAttached for frames. r=remote-protocol-reviewers,maja_zf
21693836e4ec    Henrik Skupin   Bug 1639467 - [remote] Enable page events after loading initial page in browser_frameAttached.js. r=remote-protocol-reviewers,maja_zf
5b83370e0913    Henrik Skupin   Bug 1636373 - [remote] Only emit Runtime.executionContextsCleared event for top-level execution contexts. r=remote-protocol-reviewers,maja_zf
0704e56577ad    Henrik Skupin   Bug 1644695 - [remote] Return the frameId of the frame when DOM.describeNode is called with a frame element. r=remote-protocol-reviewers,maja_zf
59cd08b79678    Henrik Skupin   Bug 1637640 - [remote] Enable page load events for frames. r=remote-protocol-reviewers,maja_zf
df561c571cfd    Maja Frydrychowicz      Bug 1646923 - [remote] Add metadata checks for skipped and extra tests r=remote-protocol-reviewers,whimboo
06435d32c9fe    Gabriel Luong   Bug 1595710 - Add support for "platform" to Emulation.setUserAgentOverride r=remote-protocol-reviewers,whimboo
c52d1bf844e8    Maja Frydrychowicz      Bug 1632722 - IO.read hits 'too many arguments' r=remote-protocol-reviewers,jgraham
5198f71d9969    Henrik Skupin   Bug 1662549 - [puppeteer] Don't set "toolkit.telemetry.server" to prevent side-effects. r=remote-protocol-reviewers,maja_zf
adc5e45e75aa    Henrik Skupin   Bug 1661390 - [remote] Use a UUID as session id for targets. r=remote-protocol-reviewers,jgraham
3803f3a513e4    James Graham    Bug 1660893 - Don't crash when the remote agent can't be initialized, r=remote-protocol-reviewers,whimboo
6b6e8d122736    Maja Frydrychowicz      Bug 1665283 - [puppeteer] Remove datareporting.healthreport.about.reportUrl from Launcher.ts r=remote-protocol-reviewers,whimboo
1616add3a380    Henrik Skupin   Bug 1669230 - [remote] Remove --remote-debugger command line argument. r=remote-protocol-reviewers,jgraham
dd12a0bec46f    Henrik Skupin   Bug 1675266 - [remote] Add debuggerAddress as attribute on the Remote Agent interface. r=remote-protocol-reviewers,maja_zf
15713ccc419b    Henrik Skupin   Bug 1675266 - [remote] Report correct browser name/version, and user agent string for "/json/version" httpd handler. r=remote-protocol-reviewers,maja_zf
e12b84262d8b    Henrik Skupin   Bug 1605784 - [remote] Implement Emulation.setTouchEmulationEnabled. r=remote-protocol-reviewers,jdescottes
31021652804c    Henrik Skupin   Bug 1680101 - [remote] Temporarily force disabling Fission until Remote Agent is compatible. r=remote-protocol-reviewers,maja_zf
80442bbcf255    Maja Frydrychowicz      Bug 1672461 - [remote] Pin package dependencies when installing Puppeteer in Mozilla CI r=remote-protocol-reviewers,whimboo
ff54087a0e8e    Henrik Skupin   Bug 1680740 - [remote] Implement Target.getTargets. r=remote-protocol-reviewers,maja_zf
b1e57d60a768    Henrik Skupin   Bug 1680962 - [remote] sendResponse has to always return a result in the response payload. r=remote-protocol-reviewers,jdescottes
ef6ad6acbda0    Henrik Skupin   Bug 1680814 - [remote] Target events have to emit a complete TargetInfo dictionary. r=remote-protocol-reviewers,jdescottes
8afb25365681    Henrik Skupin   Bug 1553854 - [remote] Implement Runtime.consoleAPICalled. r=remote-protocol-reviewers,maja_zf
bd8ae5a00b8e	Henrik Skupin	Bug 1669218 - [geckodriver] Add "moz:debuggerAddress" capability to offer an opt-in for the Remote Protocol. r=webdriver-reviewers,jgraham
b2e729917288	Henrik Skupin	Bug 1671205 - [marionette] Return moz:debuggerAddress in capabilities when Remote Agent is active. r=marionette-reviewers,jdescottes,maja_zf

2020-06-30

  • When navigating to web pages with iframes included, all relevant page navigation events are sent out for each and every frame now. To get this finished various other small fixes were necessary too. The formerly added preference remote.frames.enabled is no longer necessary because frame handling is enabled by default now.
  • For the next while, the team will be focused on making Marionette Fission-compatible. In the meantime, we’ll be gathering feedback from Puppeteer users and anyone else experimenting with Remote Protocol before we resume our work in that area.

2020-06-02

  • 🎉 We completed the Beta MVP milestone on May 20th. That included a lot of major CDP end-points and events needed to use Puppeteer for automation. With that milestone achieved Firefox now passes
  • Our work will continue on another milestone after some outreach and the prioritization of the remaining highly requested CDP end-points and events. In the meantime we will focus on Fission compatibility.
  • Etienne provided another patch that implements Network.getAllCookies.
  • Partial support for iframes has been added, and as such the Page.frameAttached and Page.frameDetached events are emitted now. It also means that the frameId property of the Network.requestWillBeSent and Network.responseReceived events can correctly reference the related frame. Right now this feature is pref’ed off behind the remote.frames.enabled preference, but we hope to enable it by default relatively soon.
  • Fixed bugs between May 20th and June 2nd

2020-05-19

2020-05-05

2020-04-07

2020-02-25

2020-01-14

2019-12-17

2019-11-05 and 2019-12-03

Introduction: The Web Predictability team (#interop) is implementing a subset of CDP in Firefox; we’ve had a working prototype for some time, and our next milestone is to provide initial cross-browser support in Google's Puppeteer (a popular Node.js library for headless browser automation).