How to get Chrome headless to download files?

[samhatoum]

Issue by rsshilli Wednesday Feb 07, 2018 at 06:16 GMT Originally opened as https://github.com/xolvio/chimp/issues/679

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How do I download files using Chrome headless? I see that:

• Chrome has recently added support for downloading headless here: https://bugs.chromium.org/p/chromium/issues/detail?id=696481
• Selenium has added support for downloading here: https://github.com/SeleniumHQ/selenium/issues/5159

I'm having a hard time piecing together how I get this working from my Chimp world.

Versions:

• Chimp: 0.50.2
• Node.js: v6.10.3
• Java: 1.8.0_121
• Operation system: Windows 10

I've tried a number of things playing with the configuration, trying things like this below, but nothing works:

chimpOptions.webdriverio.desiredCapabilities = {
  chromeOptions: {
    args : ["--no-sandbox", "--headless", "--disable-gpu", "--window-size=1050,900"],
    prefs: {
      "credentials_enable_service": false,
      "Browser.setDownloadBehavior": {behavior : "allow", downloadPath: path.join((process.env.HOME || process.env.HOMEPATH || process.env.USERPROFILE), "Downloads")},
      "profile": {
        "password_manager_enabled": false,
        "default_content_setting_values": { "automatic_downloads": 1 }
      }
    }
  },
};

My mechanism for downloading a file is to click on the download link and then use fs to wait for the file on the file system, which never shows up :(. This worked fine before adding --headless