Code Examples for Post "SpecFlow Tips: Baseclass or Context Injection"

ShareDataWithBaseClass.cs

public class SharedStepsBaseClass : Steps
{
    protected UserContext UserContext
    {
        get
        {
            var result = (UserContext)ScenarioContext["userContext"];
            if (result == null)
            {
                result = new UserContext();
                ScenarioContext["userContext"] = result;
            }
            return result;
        }
    }
}

[Binding]
public class ShareDataWithBaseClassSteps2 : SharedStepsBaseClass
{
    [When(@"the user opens the assigned tasks")]
    public void WhenTheUserOpensTheAssignedTasks()
    {
        // Read the user information from the scenario context through the 
        // property declared in the base class.
        var tasks = TaskManagement.GetAssignedTasks(UserContext.UserName);
        //...
    }
}

ShareDataWithContextInjection.cs

[Binding]
public class ShareDataWithContextInjectionSteps1 : Steps
{
    private readonly UserContext _userContext;

    public ShareDataWithContextInjectionSteps1(UserContext userContext)
    {
        _userContext = userContext;
    }

    [Given(@"an Administrator has logged in")]
    public void GivenAnAdministratorHasLoggedIn()
    {
        var userName = UserManagement.CreateAdminUser();
        UserManagement.Login(userName);

        // Save data about the current user into the injected user context
        _userContext.UserName = userName;
        _userContext.Role = "Administrator";
    }
}

[Binding]
public class ShareDataWithContextInjectionSteps2 : Steps
{
    private readonly UserContext _userContext;

    public ShareDataWithContextInjectionSteps2(UserContext userContext)
    {
        _userContext = userContext;
    }

    [When(@"the user opens the assigned tasks")]
    public void WhenTheUserOpensTheAssignedTasks()
    {
        // Read the user information from the injected user context
        var tasks = TaskManagement.GetAssignedTasks(_userContext.UserName);
        //...
    }
}

ShareDataWithInstanceFields.cs

[Binding]
public class ShareDataWithInstanceFieldsSteps
{
    private UserContext _userContext;

    [Given(@"an Administrator has logged in")]
    public void GivenAnAdministratorHasLoggedIn()
    {
        var userName = UserManagement.CreateAdminUser();
        UserManagement.Login(userName);

        // Save data about the current user into an instance field
        _userContext = new UserContext
        {
            UserName = userName,
            Role = "Administrator"
        };
    }

    [When(@"the user opens the assigned tasks")]
    public void WhenTheUserOpensTheAssignedTasks()
    {
        // Read the user information from the instance field
        var currentUserName = _userContext.UserName;
        var tasks = TaskManagement.GetAssignedTasks(currentUserName);
        //...
    }
}

ShareDataWithScenarioContext.cs

[Binding]
public class ShareDataWithScenarioContextSteps1 : Steps
{
    [Given(@"an Administrator has logged in")]
    public void GivenAnAdministratorHasLoggedIn()
    {
        var userName = UserManagement.CreateAdminUser();
        UserManagement.Login(userName);

        // Save data about the current user into the current scenario context
        // We use the ScenarioContext property defined in the Steps base class 
        // instead of ScenarioContext.Current, because ScenarioContext.Current
        // does not work for parallel execution.
        ScenarioContext["userContext"] = new UserContext
        {
            UserName = userName,
            Role = "Administrator"
        };
    }
}

[Binding]
public class ShareDataWithScenarioContextSteps2 : Steps
{
    [When(@"the user opens the assigned tasks")]
    public void WhenTheUserOpensTheAssignedTasks()
    {
        // Read the user information from the current scenario context
        var userContext = (UserContext)ScenarioContext["userContext"];
        var tasks = TaskManagement.GetAssignedTasks(userContext.UserName);
        //...
    }
}

SharedStepsBaseClassResolvingInjectedObjects.cs

public class SharedStepsBaseClassResolvingInjectedObjects : Steps
{
    protected UserContext UserContext
    {
        get
        {
            return ScenarioContext.ScenarioContainer.Resolve<UserContext>();
        }
    }
}

UserContext.cs

public class UserContext
{
    public string UserName { get; set; }
    public string Role { get; set; }
}