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What Are Flaky Tests And Where Do They Come From? | LambdaTest
Playlist
- What Is Cypress?
- What Is Playwright?
- What Is TestNG?
- What is an Emulator?
- What is pytest?
- What Is Mocha?
- What is Page Object Model?
- What is a Window in Selenium?
- What is JUnit?
- What is Headless Testing?
- What is Shadow DOM?
- What are Web Components?
- WebDriver Bidi Unveiled: What's New & How to Use It!
- What is Shift Left Testing?
- What is Responsive Testing?
- What is UI Testing?
- What is the 'git add' command?
- What is Localization?
- What are Alerts in Playwright?
- What is a JavaScript alert?
- What are Progressive Web Apps?
- GitHub vs Git Flow Explained
- What is Maven Jenkins Plugin?
- What is Parameterization?
- What is Appium?
- Role of Artificial Intelligence (AI) in Software Testing
- What is JUnit 5?
- What Are Different Selenium Wait Methods?
- How to Apply Timeout to The Class?
- What is Quality-Driven Development (QDD)?
- What are JUnit Annotations?
- Difference Between Hard Assert & Soft Assert in pytest
- What Are Flaky Tests And Where Do They Come From?
- AI-Driven Strategies in Software Testing
- Importance of Manual Testing
- What is Modal Dialog Box?
- Strategies for Accelerating Feedback
- What Are the Challenges in Test Automation?
- Best Tools for Software Developers
- What is Jenkins Pipeline?
- The Role of Human Testing in Quality Assurance
- What are WebSockets?
- JUnit 5 Architecture
- Impact of Generative AI on Testing
- Key features of WebdriverIO Waits
- How to Convert Test Scripts From JUnit 4 To JUnit 5?
- Difference between JUnit 4 and JUnit 5
- What are TestNG Annotations?
- AI Use Cases in Software Testing
- Use Cases of Machine Learning
- Most Used Git Commands
- Impact of User-Centric Testing on Product Quality and Customer Satisfaction
- Why Async and Await Are Crucial in WebdriverIO Testing
- Promises in JavaScript
- Finding Elements Using WebdriverIO Selectors
- Automating Build and Publish with Jenkins & GitHub
- Understanding Implicit Waits in Selenium
- Understanding Playwright Selectors
- Selenium Vs Cypress Vs Playwright: Key Differences at a Glance
- Setting Up JUnit 4 Dependency
About The Video
Watch the video to learn more about flaky tests and where they come from!
Flaky tests are a common challenge software developers and testers face during the software development lifecycle. Flaky tests produce inconsistent results, passing or failing unpredictably without any changes to the code under test. These tests can be frustrating and time-consuming, leading to decreased productivity and unreliable test results.
Video Chapters
00:00 Introduction
00:10 Reasons for Falky Tests
05:45 Closing
Key Topics Covered
Definition and Impact of Flaky Tests: The video begins by defining flaky tests as those that produce inconsistent results, either passing or failing without any changes to the code under test. It highlights the frustration and decreased productivity caused by these unpredictable tests.
Causes of Flaky Tests:
Various causes of flaky tests are outlined, including:
Concurrency issues.
External dependencies.
Shared state between tests.
Time sensitivity in tests.
Non-deterministic behavior.
Platform and environmental differences.
Technical Insights: The speaker provides technical insights on why flaky tests occur, often relating to code dependencies and environmental inconsistencies. Specific examples include tests failing due to external services like APIs being unavailable or behaving unexpectedly.
Solutions and Best Practices: Solutions such as using mocks and stubs to isolate tests from external dependencies are discussed. The speaker also emphasizes the importance of deterministic behavior in test suites to ensure reliability and consistency.
Real-Life Examples: The video includes real-life scenarios to illustrate how flaky tests can manifest in different environments and how they can be addressed effectively.
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