Top C# SpecFlow Interview Questions in 2024

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We will see Top SpecFlow Interview Questions, what is specflow, whay it is used, what is BDD, which tools used, specflow in selenium c#, hooks etc.

Below are the specflow interview questions I have collected from our Telegram and WhatsApp group members. who appeared for the interview. All the questions are real-time C# specflow interview questions, which are mostly asked in interviews. If I missed any questions, feel free to add them in the comment section below.

What is SpecFlow in Selenium C#?

SpecFlow is an open-source version of Cucumber for the .Net framework. It allows you to write tests using Cucumber-compatible Gherkin syntax in conjunction with Selenium for automating web application tests.

How do you explain BDD SpecFlow framework in an interview?

SpecFlow is a testing framework that supports Behaviour Driven Development (BDD). It allows defining application behavior in plain meaningful English language through Gherkin syntax, which makes it easy for non-programmers to understand the test scenarios

Does SpecFlow use cucumber?

Yes, SpecFlow is an open-source version of Cucumber for the .Net framework and uses Cucumber-compatible Gherkin syntax

Which programming language works with SpecFlow?

SpecFlow works with C# and other .NET languages.

What type of testing is SpecFlow?

SpecFlow is used for Behavior Driven Development (BDD) and acceptance testing

What is SpecFlow vs Cucumber?

  • Both are tools for conducting BDD testing. Cucumber is widely used with Ruby, Java, and other languages, while SpecFlow is specifically designed for .NET languages like C#.
  • You can find more details on Specflow vs Cucumber here.

What is the purpose of SpecFlow?

The purpose of SpecFlow is to support BDD testing and bridge the communication gap between developers, testers, and non-technical stakeholders by allowing tests to be written in plain English.

Why is SpecFlow used?

SpecFlow is used to write readable and maintainable automated acceptance tests and to support the BDD approach

Why do we need SpecFlow?

We need SpecFlow to facilitate collaboration between teams, create executable specifications, and ensure the software behaves as expected.

How do I ignore all tests in SpecFlow?

To ignore all tests in SpecFlow, you can use the [Ignore] attribute above the test method. Here is an example:

Ignore tests in specflow

This will ignore the specified test when running the suite

How do I skip a scenario in SpecFlow?

You can skip a scenario in SpecFlow by using the @ignore attribute before the scenario. For example:

skip scenario in specflow using ignore

Since SpecFlow 3.1, you can also programmatically skip Scenarios with the UnitTestRuntimeProvider

Can we generate reporting using SpecFlow?

Yes, SpecFlow has built-in reporting capabilities which can be enhanced with plugins like SpecFlow+ Runner and LivingDoc.

Is SpecFlow a BDD tool?

Yes, SpecFlow is a Behavior-Driven Development (BDD) tool that allows developers to write tests in a natural language format that’s easy for non-programmers to understand

Does SpecFlow support BDD?

Yes, SpecFlow supports Behavior-Driven Development (BDD). It is designed specifically to facilitate BDD testing.

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Is SpecFlow still used?

Yes, SpecFlow is still widely used, especially within the .NET community, for Behavior-Driven Development (BDD) and acceptance testing.

What is background in SpecFlow?

In SpecFlow, a background is a set of steps that are run before each scenario in the feature file. It is used when multiple scenarios share the same initial steps. For example:

specflow background keyword

What is the feature of SpecFlow?

A feature in SpecFlow corresponds to a high-level business requirement. It is a file which contains a set of scenarios defined with Gherkin syntax. Each scenario represents a specific behavior of the software

How do I run SpecFlow tests?

  • Firstly, you will need to set up your testing environment. This involves installing SpecFlow for Visual Studio, SpecFlow NuGet, and a unit test provider like MSTest or NUnit via their respective NuGet packages.
  • Once your environment is ready, you can create a feature file for your test. A basic feature file might look something like this:

basic specflow feature file

  • After creating your feature file, you will need to generate step definitions for your scenario. These step definitions will contain the C# code that will be executed during your test.
  • To run your tests, you can use the Test Explorer window in Visual Studio. Simply right-click on the test you want to run and select ‘Run Selected Tests’.
  • If you prefer to run your tests from the command line, you can do so using SpecFlow+ Runner. Your project’s directory should contain a batch file called runtests.cmd which you can execute to run your tests.

Keep in mind that these are basic instructions and running SpecFlow tests may involve additional steps depending on the complexity of your tests and your specific testing requirements.

Is SpecFlow open source?

Yes, SpecFlow is an open-source project. Its source code is freely available on GitHub.

Is SpecFlow easy to learn?

If you’re familiar with C# and .NET, SpecFlow should be relatively easy to learn. Its use of Gherkin syntax also makes it easier for non-programmers to understand the test scenarios. However, like any tool, it requires some time and practice to become proficient.

What is the full form of BDD?

The full form of BDD is Behavior-Driven Development.

What are the two types of BDD?

The two types of BDD are SpecBDD and StoryBDD. SpecBDD focuses on behavior at the specification level, while StoryBDD focuses on behavior at the business level.

What are the three steps of BDD?

The three steps of BDD are Discovery, Formulation, and Automation.

  • Discovery: Involves conversations and collaboration between stakeholders, developers, and testers to discover the expected behavior of the system.
  • Formulation: Involves documenting the behavior in a way that can guide development. This is often done using Gherkin syntax.
  • Automation: Involves writing code to automate the execution of the behavior documentation.

What is the difference between BDD and feature file?

  • BDD is a software development methodology that promotes collaboration among developers, testers, and non-technical or business participants in a software project.
  • A feature file is a component of BDD and serves as a starting point for writing tests. It contains a high-level description of the application’s behavior written in Gherkin language.

What language does SpecFlow use?

SpecFlow uses Gherkin language, a business-readable, domain-specific language.

What concept is supported by SpecFlow?

SpecFlow supports the concept of Behavior-Driven Development (BDD). It allows developers to define application behavior in plain meaningful English text using a simple grammar defined by Gherkin language.

How do I write a feature file in SpecFlow?

A feature file in SpecFlow is written in the Gherkin language. Here’s a simple example:

feature file example


How do you create a SpecFlow step?

You create a SpecFlow step by defining it in a step definition file. Here’s an example:

step definition file

How can you pass data between steps in SpecFlow?

You can use the ScenarioContext or FeatureContext classes to pass data between steps. Here’s an example:

scenario context

What is context injection in SpecFlow?

Context Injection in SpecFlow is a way to share data between bindings or steps. Instead of using ScenarioContext to store and retrieve data, you can create your own class to hold data and inject it wherever it’s needed. Here’s an example:

context injection

What is driver pattern in SpecFlow?

The Driver Pattern in SpecFlow is an additional layer between your step definitions and your automation code. It helps to encapsulate automation logic, data, and state information that can be used across multiple step definitions. For example:

driver specflow

(Source: SpecFlow Documentation)

What are hooks in SpecFlow?

Hooks in SpecFlow are special methods executed before and after a certain point in the test execution. They are defined by attributes such as [BeforeScenario], [AfterScenario], [BeforeFeature], [AfterFeature], etc. Here’s an example:

Specflow Hooks


What is rule in SpecFlow?

Rule in SpecFlow is a Gherkin keyword used to represent one business rule that should be implemented. It provides additional information for a feature or scenario. Rules are not supported directly in SpecFlow but you can use comments or tags to mimic this functionality.

What is the order of execution in SpecFlow?

In SpecFlow, the order of execution is as follows:

BeforeTestRun -> BeforeFeature -> BeforeScenario -> BeforeStep -> AfterStep -> AfterScenario -> AfterFeature -> AfterTestRun.

How do you use SpecFlow examples?

You can use Examples in SpecFlow to run the same scenario with different input data. Here’s an example:

same scenario different inputs

How do you automate SpecFlow?

To automate SpecFlow, you write feature files with scenarios in Gherkin language, then you implement the step definitions in your chosen programming language (e.g., C#) using the SpecFlow library. These steps can then interact with your system under test, whether it’s through an API, a database, or a user interface like a web page.

How to get the tag name in SpecFlow C#?

You can get the tag name in a SpecFlow test by using the ScenarioContext. Here’s an example:


What is SpecFlow runner?

SpecFlow Runner is a dedicated test execution framework provided by SpecFlow which has advantages like parallel execution and enhanced test execution reports.

How do I know if SpecFlow is installed?

In Visual Studio, you can check whether SpecFlow is installed by going to Tools -> Extensions and Updates and searching for SpecFlow in the Installed extensions list. Alternatively, if you’re using .NET Core, you can check your project file (.csproj) for a reference to the SpecFlow NuGet package.

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Avinash is the Founder of Software Testing Sapiens. He is a blogger and Software Tester who has been helping people to get thier Jobs over a years Now.

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