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Specflow Skill

> Generates SpecFlow BDD tests for C#/.NET with Gherkin feature files and step bindings. Use when user mentions "SpecFlow", "C# BDD", ".NET Gherkin", ".NET BDD", "step bindings", "[Binding]".

7k tokens
context cost
the whole folder, loaded on every use
3
files
instructions only
0
copies elsewhere
how many repositories repackaged it
343
stars on the repo
on the repository, not the skill itself

Install

one command, takes just this skill from the repository
npx skills add https://github.com/LambdaTest/agent-skills --skill specflow-skill

The instruction itself

11 sections, as written by the author

SpecFlow BDD Skill

Core Patterns

Feature File (Features/Login.feature)

Feature: User Login

  Scenario: Successful login
    Given I am on the login page
    When I enter "[email protected]" as email
    And I enter "password123" as password
    And I click the login button
    Then I should see the dashboard
    And the welcome message should contain "Welcome"

  Scenario: Invalid credentials
    Given I am on the login page
    When I enter "[email protected]" as email
    And I enter "wrong" as password
    And I click the login button
    Then I should see error "Invalid credentials"

  Scenario Outline: Login with various users
    Given I am on the login page
    When I enter "<email>" as email
    And I enter "<password>" as password
    And I click the login button
    Then I should see "<result>"

    Examples:
      | email          | password | result    |
      | [email protected] | admin123 | Dashboard |
      | [email protected]  | pass123  | Dashboard |
      | [email protected]   | wrong    | Error     |

Step Bindings

using TechTalk.SpecFlow;
using NUnit.Framework;

[Binding]
public class LoginSteps
{
    private readonly ScenarioContext _context;
    private IWebDriver _driver;

    public LoginSteps(ScenarioContext context)
    {
        _context = context;
        _driver = (IWebDriver)_context["driver"];
    }

    [Given(@"I am on the login page")]
    public void GivenIAmOnTheLoginPage()
    {
        _driver.Navigate().GoTo("http://localhost:3000/login");
    }

    [When(@"I enter ""(.*)"" as email")]
    public void WhenIEnterEmail(string email)
    {
        _driver.FindElement(By.Id("email")).SendKeys(email);
    }

    [When(@"I enter ""(.*)"" as password")]
    public void WhenIEnterPassword(string password)
    {
        _driver.FindElement(By.Id("password")).SendKeys(password);
    }

    [When(@"I click the login button")]
    public void WhenIClickLogin()
    {
        _driver.FindElement(By.CssSelector("button[type='submit']")).Click();
    }

    [Then(@"I should see the dashboard")]
    public void ThenIShouldSeeDashboard()
    {
        Assert.That(_driver.Url, Does.Contain("/dashboard"));
    }

    [Then(@"I should see error ""(.*)""")]
    public void ThenIShouldSeeError(string error)
    {
        var element = _driver.FindElement(By.CssSelector(".error"));
        Assert.That(element.Text, Does.Contain(error));
    }
}

Hooks

[Binding]
public class Hooks
{
    private readonly ScenarioContext _context;

    public Hooks(ScenarioContext context) { _context = context; }

    [BeforeScenario]
    public void BeforeScenario()
    {
        var driver = new ChromeDriver();
        _context["driver"] = driver;
    }

    [AfterScenario]
    public void AfterScenario()
    {
        ((IWebDriver)_context["driver"]).Quit();
    }
}

Dependency Injection (Context Injection)

// SpecFlow auto-injects ScenarioContext, FeatureContext, and custom POCOs
public class LoginSteps
{
    private readonly LoginPage _loginPage;
    public LoginSteps(LoginPage loginPage) { _loginPage = loginPage; }
}

Setup: dotnet add package SpecFlow.NUnit or SpecFlow.xUnit

Run: dotnet test

Cloud Execution on TestMu AI

Set environment variables: LT_USERNAME, LT_ACCESS_KEY

// Hooks.cs
[BeforeScenario]
public void Setup()
{
    var ltOptions = new Dictionary<string, object>
    {
        { "user", Environment.GetEnvironmentVariable("LT_USERNAME") },
        { "accessKey", Environment.GetEnvironmentVariable("LT_ACCESS_KEY") },
        { "build", "SpecFlow Build" },
        { "name", ScenarioContext.Current.ScenarioInfo.Title },
        { "platformName", "Windows 11" },
        { "video", true },
        { "console", true },
    };
    var options = new ChromeOptions();
    options.AddAdditionalOption("LT:Options", ltOptions);
    _driver = new RemoteWebDriver(
        new Uri("https://hub.lambdatest.com/wd/hub"), options);
}

Report: SpecFlow+ LivingDoc extension for rich HTML reports

Deep Patterns

For advanced patterns, debugging guides, CI/CD integration, and best practices,

see reference/playbook.md.

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How to use it

Copy the folder

Take lambdatest/specflow-skill from the repository into ~/.claude/skills for personal use, or into .claude/skills inside a project.

Check the name does not clash

The agent identifies a skill by the name field in its header. Two skills with the same name cannot sit side by side — one of them will be ignored.