SpecFlow + Selenium-WebDriver: Sharing a WebDriver Across Steps? - selenium

Question

Say I have a scenario that uses steps that are contained in two different classes. Is there a way for both of them to have a handle to the same IWebDriver instance without going through ScenarioContext.Current["webdriverVariableName"]?
That's so ugly. Is there a cleaner way?
I was going to make a class with a public static IWebDriver property that gets assigned at the start of every scenario, so that all my steps could refer to it, but I don't think that will work when I start to run them in parallel, as each scenario would overwrite the global driver.

Answer 1

Specflow offers a Dependency Injection mecanism, so you could get your web driver instance injected in your steps.
See https://github.com/techtalk/SpecFlow/wiki/Context-Injection
See the "Avanced options" section.

Answer 2

I have just started using Specflow but this appears to work;
Create a class which takes IObjectContainer as a constructor and has a BeforScenario method to create the WebDriver instance;
[Binding]
public class WebDriverSupport
{
private readonly IObjectContainer _objectContainer;
public WebDriverSupport(IObjectContainer objectContainer)
{
_objectContainer = objectContainer;
}
[BeforeScenario]
public void InitializeWebDriver()
{
var webDriver = DriverFactory.CreateDriver();
_objectContainer.RegisterInstanceAs<RemoteWebDriver>(webDriver);
}
}
Create your step classes with a constructor which take RemoteWebDriver;
[Binding]
public class POCSteps
{
private readonly IdlWebDriver _driver;
public POCSteps(IdlWebDriver driver)
{
_driver = driver;
}
}
Your steps steps will now have access to a fully instantiated WebDriver object

Answer 3

My tests, which are currently working fine running multithreaded webdriver instances, are using a base step definitions class to hold the driver instance. All step definitions inherit from this, so the driver is available to all steps..
namespace Project.StepDefinitions
{
[Binding]
public class BaseStepDefinitions
{
private const string CurrentPageKey = "Current.Page";
public static IWebDriver Driver { get; set; }
protected LogonPageModel LogonPage
{
get { return (LogonPageModel)ScenarioContext.Current[CurrentPageKey]; }
set { ScenarioContext.Current[CurrentPageKey] = value; }
}
protected RegisterPageModel RegisterPage
{
get { return (RegisterPageModel)ScenarioContext.Current[CurrentPageKey]; }
set { ScenarioContext.Current[CurrentPageKey] = value; }
}
}
}
//////////////
namespace SpecDriver.StepDefinitions
{
[Binding]
public class LoginSteps : BaseStepDefinitions
{
[Given(#"I navigate to the homepage")]
public void GivenINavigateToTheHomepage()
{
Driver.Navigate().GoToUrl(SettingsManager.BaseUrl);
}
}
}
etc etc...

Answer 4

Just create a new separated class with a static property that returns driver:
static class DriverProvider
{
private static IWebDriver _driver;
public static IWebDriver Driver
{
get
{
if (_driver == null)
{
_driver = new ChromeDriver();
_driver.Manage().Timeouts().ImplicitWait = TimeSpan.FromSeconds(40);
_driver.Manage().Window.Maximize();
}
return _driver;
}
}
}
Each time you will need to do something with driver, just call it in a such way:
SomeMethod(DriverProvider.Driver);
//
IWebelement e = DriverProvider.Driver.FindElement(By.XPath("you_XPath"));
e.Click();
// etc etc etc