Playwright Assertions | Learn Playwright using TypeScript Full Course: Beginner to Advanced | Part 7

Description

Welcome to Part 7 of our comprehensive Playwright TypeScript course! Discover the power of assertions – the backbone of reliable test automation. Learn why assertions are crucial for test validation and master Playwright's extensive assertion library to create robust, self-validating tests that catch bugs before they reach production. [ RESOURCES ] Official Playwright Documentation: https://playwright.dev/docs/test-assertions Website: https://learnwithanimesh.com/playwright/ Github Link for web application: https://github.com/Animesh66/demo-ui-actions-perform Github link for automation code: https://github.com/Animesh66/pw-demo/tree/part-7 [ CONNECT WITH ME ] LinkedIn: https://www.linkedin.com/in/qa-amukherjee/ Need one and one session? Book here: https://topmate.io/animesh_mukherjee/ [ TIMESPAMPS ] 0:00 - Introduction 0:13 - Table of Contents 0:25 - What is Assertion? 0:48 - Why do we need Assertion 1:42 - Playwright Assertions 2:28 - Page Assertions 3:32 - Generic Assertions 4:40 - Locator Assertions 6:16 - Negative Assertions 6:52 - Soft Assertions 10:00 - Auto retrying Assertions 11:41 - Knowledge Check What You'll Learn in This Video 🔍 What is Assertion and Why Do We Need Assertion in Test Automation? • Fundamental Concepts: Understanding the role of assertions in testing • Test Validation: How assertions verify expected vs actual behavior • Failure Detection: Catching bugs and unexpected application states • Test Reliability: Building confidence in your automation suite • Documentation Value: Assertions as living specification of expected behavior • Debugging Benefits: Clear failure messages and test diagnostics • Comparison with Manual Testing: Why automated assertions are superior ⚡ Playwright Assertions • Built-in Assertion Methods: Complete overview of Playwright's assertion API • Element Assertions: toBeVisible(), toBeHidden(), toBeEnabled(), toBeDisabled() • Text Assertions: toHaveText(), toContainText(), toHaveValue() • Attribute Assertions: toHaveAttribute(), toHaveClass(), toHaveCSS() • Count Assertions: toHaveCount() for element collections • URL & Page Assertions: toHaveURL(), toHaveTitle() • Screenshot Assertions: Visual regression testing with toHaveScreenshot() • Custom Matchers: Creating domain-specific assertions • Async Assertions: Handling asynchronous operations and auto-waiting • Soft Assertions: expect.soft() for continuing tests after failures • Assertion Timeouts: Configuring wait times and retry logic • Error Messages: Writing meaningful assertion descriptions Hashtags: #learnwithanimesh #learnplaywright #playwright #playwrighttutorial #testautomation