How to Perform Data-Driven Testing in Selenium Using Excel Files
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How to Perform Data-Driven Testing in Selenium Using Excel Files
Data-driven testing in Selenium allows you to run the same test script with multiple sets of input data, increasing test coverage and efficiency. Using Excel files for this purpose is a common approach. Here’s how you can do it:
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Prepare Your Excel File: Create an Excel sheet with rows and columns containing your test data. For example, usernames and passwords.
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Use Apache POI Library: Add the Apache POI library to your Java project. POI allows you to read from and write to Excel files.
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Read Data from Excel: Write a utility method in Java that reads the Excel file and fetches the required data into an array or list.
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Pass Data to Test Scripts: Use TestNG’s
@DataProviderto supply data from your Excel reader to your test method. -
Run Tests: Execute your Selenium test with different sets of data automatically pulled from the Excel file.
This approach saves time, reduces code duplication, and ensures your application is tested thoroughly with various input combinations.
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