Running opera with C# selenium

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I am using C#, Selenium (3.141.0) and MSTest.TestFramework to test a fairly complex web site project. My goal is pretty straight forward - to test the site on a variety of browsers for the site (which is used worldwide).

There is no problem driving Chrome, Firefox and IE from Selenium. But I also want to test and support Opera - which is not so common in the US, but is very common elsewhere.

I am seeing articles that suggest that Opera is supportable, but I cannot get it to work.

The main instantiation (which fails) is:
iWebDriver driver = new OperaDriver();
I may be missing some arguments for the constructor, like perhaps a path for an Opera driver (I've downloaded operadriver.exe from https://github.com/operasoftware/operachromiumdriver/releases - and tried to add the path as a string argument - but that did not work.

I would appreciate any sample code guidance. There are lots of articles online about this topic - but i haven't yet found any code that works.

What I have tried:

Tried the constructor noted above

Posted 2-Apr-19 11:50am

Ken-in-California

Updated 3-Apr-19 15:00pm

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David_Wimbley 2-Apr-19 18:10pm

Are you getting any errors? Have you tried using RemoteWebDriver and passing in browser settings that way?

Ken-in-California 2-Apr-19 19:00pm

Hello David.
I tried instantiating with:
iWebDriver driver = new OperaDriver("C:\\Opera\\", operaOptions, TimeSpan.FromMinutes(1.0d));
The error I am getting is
OpenQA.Selenium.WebDriverException: 'unknown error: cannot find Opera binary
(Driver info: OperaDriver=2.42.3135 (O58),platform=Windows NT 10.0.17763 x86_64)'

BTW - "C:\\Opera\\" is the location of operadriver.exe - downloaded from at https://github.com/operasoftware/operachromiumdriver/releases.

I have not tried RemoteWebDriver, because I've encapsulated my browser choice - at the beginning of the tests the tester chooses which browsers to run on, and then I
pass a Chrome or Firefox or IE iWebDriver to the code for the selected test, and sequentially run the same test which each selected browser.

David_Wimbley 2-Apr-19 23:33pm

Shouldn't you be specifying the exact EXE, not a relative path to the folder?

Ken-in-California 3-Apr-19 13:36pm

David - I tried that first - I used "C:\\Opera\\operadriver.exe" - and the error I got was:

OpenQA.Selenium.DriverServiceNotFoundException: 'The file C:\Opera\operadriver.exe\operadriver.exe does not exist. The driver can be downloaded at https://github.com/operasoftware/operachromiumdriver/releases'

In light of the duplication I truncated my string at the slash.

Mehdi Gholam 3-Apr-19 3:47am

Opera on the desktop uses the same engine as Chrome, so you it "should" act the same.

Ken-in-California 3-Apr-19 13:37pm

Mehdi - yes - the engine under Opera is Chromium - so i am confident that it will perform one I figure out how to associate the driver to the browser executable.

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Ken-in-California · Answer 1 · 2019-04-03T15:01:00

I got it working - though imperfectly.

Step 1 - I downloaded the appropriate operadriver.exe binary from: https://github.com/operasoftware/operachromiumdriver/releases

I moved the operadriver.exe to "C:\\Opera\".

In my code I already setup an iWebDriver object named driver.

Opera was already installed on my system at the default location - as will be clear below.

Here's the code that worked...

C#

using OpenQA.Selenium;
using OpenQA.Selenium.Opera;
using OpenQA.Selenium.Support.UI;

OperaDriverService service = OperaDriverService.CreateDefaultService("C:\\Opera\\","operadriver.exe");
var operaOptions = new OperaOptions
   {
      BinaryLocation = "C:\\Users\\username\\AppData\\Local\\Programs\\Opera\\58.0.3135.127\\opera.exe",
                            LeaveBrowserRunning = false
   };
   driver = new OperaDriver(service, operaOptions);

The imperfection I am aware of right now is a "Manage Extensions" popup that shows up - i have been unable to suppress it so far - and do not want to suppress all popups because the site does generate some alerts/popups in certain testable situations.

I anyone has idea for suppressing that popup, I'd be appreciative of you sharing.