Selenium WebDriver Recipes in C#: Practical Testing Solutions for Selenium WebDriver

Solve your Selenium WebDriver problems with this quick guide to automated testing of web applications with Selenium WebDriver in C#. This third editioncontains hundreds of solutions to real-world problems, with clear explanations and ready-to-run Selenium test scripts that you can use in your own projects. Updated to Selenium version 4, this revision includes Visual Studio Code set up, additional recipes, and new chapters on Selenium DevTools and continuous testing. You'll see how to use Selenium WebDriver for select lists, navigation, assertions, frames, file upload and pop-up dialogs. You'll also learn how to locate web elements and test functions for hyperlinks, buttons, TextFields and TextAreas, radio buttons, CheckBoxes, and more. What You'll Learn Debug test scripts and test data Work with Selenium Remote Control Server Manage and deal with browser profiles and capabilities Monitor tests for advanced user interactions and experiences (UX)Who This Book Is For Experienced .NET and C# Windows application programmers/developers. Table of Contents About the Authors Preface Chapter 1: Introduction Selenium WebDriver Selenium Language Bindings Set Up the Development Environment - Visual Studio Code Prerequisites Set Up Visual Studio Code Cross-Browser Testing Chrome Firefox Safari Edge Internet Explorer Visual Studio Unit Testing Framework Visual Studio Unit Testing Framework Fixtures Alternative Framework: NUnit Run Recipe Scripts Run Test(s) in VS Code Find the Test Case Run an Individual Test Case Run All Test Cases in a Test Script File Run Tests from the Command Line Chapter 2: Locating Web Elements Start a Browser Inspect a Web Element in a Browser Find an Element by ID Find an Element by Name Find an Element by Link Text Find an Element by Partial Link Text Find an Element by XPath Find an Element by a Tag Name Find an Element by Class Find an Element by CSS Selector Find an Element by Relative Locators Chain FindElement to Find Child Elements Find Multiple Elements Locate a Web Element That Disappears After Inspect Chapter 3: Hyperlink Click a Link by Text Click a Link by ID Click a Link by Partial Text Click a Link by XPath Click the Nth Link with Exact Same Label Click the Nth Link by CSS Selector Verify If a Link Is Present or Not Get Link Data Attributes Test If a Link Opens a New Browser Window Chapter 4: Button Click a Button by Text Click a Form Button by Text Submit a Form Click a Button by ID Click a Button by Name Click an Image Button Click a Button via JavaScript Assert If a Button Is Present Assert If a Button Is Enabled or Disabled Chapter 5: TextField and TextArea Enter Text into a Text Field by Name Enter Text into a Text Field by ID Enter Text into a Password Field Clear a Text Field Enter Text into a Multiline Text Area Assert a Value Focus on a Control Set a Value to a Read-Only or Disabled Text Field Set and Assert the Value of a Hidden Field Chapter 6: Radio Button Select a Radio Button Clear the Radio Option Selection Assert a Radio Option Is Selected Iterate Radio Buttons in a Radio Group Click the Nth Radio Button in a Group Click a Radio Button by the Following Label Customized Radio Buttons with iCheck Chapter 7: CheckBox Check by Name Check by Id Uncheck a Checkbox Assert a Checkbox Is Checked (or Not) Chain FindElement to Find Child Elements Customized Checkboxes using iCheck Chapter 8: Select List Import Selenium.Support Select an Option by Text Select an Option by a Value Select an Option by an Index Send Keys to the Select Element Select an Option by Iterating All Options Select Multiple Options Clear One Selection Clear All Selections Assert a Selected Option Assert a Label or Value of a Select List Assert Multiple Selections Chapter 9: Navigation and Browser Go to a URL Visit Pages Within a Site Open Browser in a Certain Size Maximize the Browser Window Move the Browser Window Minimize a Browser Window Scroll Focus to Control via JavaScript Scroll with Scroll Wheel Actions Switch Between Browser Windows or Tabs New Browser Window or Tab Open and Close Browser Tabs Using JavaScript Remember Current Web Page URL and Come Back to It Later Chapter 10: Assertion Assert a Page Title Assert Page Text Assert the Page Source Assert Label Text Assert Span Text Assert Div Text or HTML Assert Table Text Assert Text in a Table Cell Assert Text in a Table Row Assert If an Image Is Present Assert Element Location and Width Assert Element CSS Style Assert JS Errors on a Web Page Chapter 11: Frames Testing Frames Find a Frame with FindElement Test an IFrame Test Multiple IFrames Chapter 12: Testing AJAX Pause for a Specific Duration of Time Explicit Waits Until Time Out Implicit Waits Until Time Out Fluent Waits Until Time Out Create Your Own Polling Check Function Refactor with a Reusable Function Wait for the AJAX Call to Complete Using JQuery Chapter 13: File Upload and Popup Dialogs File Upload File Upload with a Relative Path JavaScript Popups Handle JavaScript Popups Using Alert API Handle JavaScript Popups with JavaScript Modal Style Dialogs Timeout on an Operation Popup Handler Approach Basic or Proxy Authentication Dialog Bypass Basic Authentication by Embedding the Username and Password in the URL Internet Explorer Modal Dialog Chapter 14: Debugging Test Scripts Print Text for Debugging Write the Page Source or Element HTML into a File Take a Screenshot Leave the Browser Open After a Test Finishes Debug Test Execution using Debuggers Enable Breakpoints Execute One Test Case in Debugging Mode Step Over Test Execution Chapter 15: Test Data Get Data Dynamically Get a Random Boolean Value Get a Random Boolean Value with Timestamps Generate a Number Within a Range Get a Random Character Get a Random String at a Fixed Length Get a Random String in a Collection Generate a Test File at a Fixed Size Retrieve Data from a Database Chapter 16: Browser Profile and Capabilities Get Browser Type and Version Set the Page Load Strategy Set an HTTP Proxy for a Browser Verify File Download in Chrome Verify File Download in Firefox Bypass Basic Authentication with the Firefox AutoAuth Plugin Manage Cookies Headless Browser Testing with Chrome Test Responsive Websites Chapter 17: Advanced User Interactions Double-Click a Control Move the Mouse to a Control (Mouse Over) Click and Hold (Select Multiple Items) Context Click (Right-Click a Control) Drag-and-Drop Drag a Slider Send Key Sequences (Select All and Delete) Chapter 18: HTML5 and JavaScript HTML5 Email Type Field HTML5 Time Field Invoke the onclick JavaScript Event Invoke JavaScript Events Such As OnChange Scroll to the Bottom of a Page Chosen - Standard Select Chosen - Multiple Select AngularJS Web Pages Ember JS Web Pages Faking Geolocation with JavaScript Save an SVG Chart to a PNG Image Save a Canvas to a PNG Image Chapter 19: WYSIWYG HTML Editors TinyMCE CKEditor SummerNote CodeMirror Chapter 20: Leveraging Programming Throw Exceptions to Fail Tests Ignorable Test Statement Error Read an External File Data-Driven Tests with Excel Data-Driven Tests with CSV Identify Element IDs with Dynamically Generated Long Prefixes Sending Special Keys Such as Enter to an Element or Browser Use of Unicode in Test Scripts Extract a Group of Dynamic Data: Verify Search Results in Order Verify Uniqueness of a Set of Data Extract Dynamic Visible Data Rows from a Results Table Extract Dynamic Text Following a Pattern Using Regex Chapter 21: Optimization Assert Text in a Page Source Is Faster Than the Text Getting Text From a More Specific Element Is Faster Avoid Programming If-Else Blocks If Possible Use a Variable to Cache Unchanged Data Enter Large Text into a Text Box Use Environment Variables to Change Test Behaviors Dynamically Testing a Web Site in Multiple Languages Multi-Language Testing with Lookups Chapter 22: Gotchas Test Starts Browser But No Execution but a Blank Screen Failed to Assert Copied Text in Browser The Same Test Works for Chrome, But Not for IE “unexpected tag name ‘input’” Element Is Not Clickable or Visible Chapter 23: Selenium 4 Chrome For Testing New Browser Window or Tab Basic Authentication via Register Print to PDF Save Element Screenshot Drive Elements Inside a Shadow DOM Relative Locators Get the Element on the Right of a Checkbox Get the Element(s) on the Left of a Checkbox Above in a Table Below in a Table Near Summary Chapter 24: Selenium DevTools Emulate Browser Crash CDP Send Command Emulate GEO Location Emulate Locale Emulate Timezone Network Interception Network Latency Security: Ignore CertificateErrors Chapter 25: Selenium Grid Selenium Server Standalone Execute Tests on a Remote Machine Set Up Selenium Grid Using Selenium Grid to Run Tests Issues with Selenium Grid Chapter 26: Continuous Testing CI vs. CT Preparation Source Control Test Scripts in Git Compile Test Scripts Execute a Test Script from the Command Line Execute a Test Script with JUnit XML Set Up BuildWise Server Set Up a Build Project Run a Suite of C# tests in BuildWise What’s the Magic? Chapter 27: Case Studies Verify Chart Generation Test Design Test Steps Test Script Drawing on a Canvas Test Steps Log In and Get to the Canvas Page Set a Fixed Canvas and Choose an Anchor Point Draw a Circle and Move It Draw a Cross (Hand-Drawing Mode) Add Text Test Script Automated Testing Elements on a Lazy Load Page Test Design Test Steps Generate a User Guide with an Automation Script Test Design Test Steps Generated Files What Does It Look Like? Summary Broken Link Checker Test Design Test Steps Afterword Practice Makes Perfect Successful Test Automation Resources Books Web Sites Tools Appendix 1: Visual Studio IDE Setup Setup Prerequisite Set Up Visual Studio Solution Create a Test and Run It Run Test(s) in Visual Studio Find the Test Case Run an Individual Test Case Run All Test Cases in a Test Script File Run All Test Scripts Visual Studio IDE or VS Code? Appendix 2: Visual Studio IDE Debugging Test Execution Enable Breakpoints Execute One Test Case in Debugging Mode Step Over Test Execution Index