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Test Case vs Test Script: What’s the Difference?

February 6, 2025
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Exploring Test Case vs Test Script: What's the Difference?
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According to recent studies, more than 86% of businesses worldwide now rely on software testing to ensure the quality and reliability of their applications. When a tester begins their testing journey, the first thing they usually learn is how to document test cases. And when they learn test automation, they convert those test cases to test scripts. This blog will take you on a journey to understand the difference between test cases vs test scripts.

  • A test case refers to a set of conditions or actions designed to verify a particular application functionality under test.
  • A test script is an automated computer program that performs the same steps as a test case but via a tool.

Test Case vs Test Script – Overview

What is a Test Case?

A test case refers to testers’ instructions to validate a particular functionality or software application feature. It is a detailed description of a test’s inputs, operating conditions, and expected outputs. These test cases

  • Find software errors, bugs, or problems, which developers can fix.
  • They help ensure the quality and reliability of the software by providing a systematic approach to testing.
  • It is necessary to ensure that each test case is clear and concise, referencing the relevant requirement or features of the software.
  • Proper documentation and management of all test cases are necessary for successful testing and quality product delivery.

What is a Test Script?

When you take the steps from a test case and automate them via some tool, usually a test automation tool, it becomes a test script.

Image showing a test script example in Testsigma

Test script example in Testsigma
Test cases and Test steps

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Difference Between Test Case vs Test Script

The difference between the Test case and Test Script is summarized in the table below:

Test CaseTest Script
Test cases are written before the actual testing is done to define the scope of the testing.Test scripts are usually written after certain rounds of testing are done and we know that the functionality being automated works.
Test cases are written for manual test execution. Test scripts are written for automated test execution.
Test cases are written in English or the language of the tester.Test scripts are written in the language supported by the tool being used for automated test execution.
Test cases document the steps to be followed during testing.Test scripts automate the test steps for test execution.

Wrapping up

We now understand the part test cases and test scripts play in the different testing processes. Test cases are the first step in documenting the testing process for a function or a feature. Each test case tests one aspect of the software. On the other hand, test scripts automate the test steps for a test case.

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Written By

Kiruthika Devaraj

Testsigma Author - Kiruthika Devaraj

Kiruthika Devaraj

The author is a proficient and passionate writer who takes great pleasure in captivating readers with her imaginative writing. Her unique ability to craft engaging write-ups, stories, and poems transports readers into the fascinating world of her characters. With several published novels, short stories, poems, blogs, and articles, she continuously explores new ways to express her creativity. If you want to establish a professional connection with this talented author, we encourage you to send a connection request on LinkedIn.

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