Testing code is just as important as writing it. However, until recently, there were limited options for testing SQL Server code. Many developers had to create their own expensive and time-consuming testing systems. But in 2014, tSQLt came to the rescue. tSQLt is a free open-source framework for unit testing SQL Server code, and it can greatly simplify your life as a developer.
Let’s take a look at how tSQLt can be used to automate the process of auditing servers and identifying non-optimal configuration settings. First, you’ll need to download the latest version of tSQLt. Then, configure your SQL Server instance to work with CLR and create a database for tSQLt. Once the framework is installed, you can create a schema for your autotests.
Creating a test in tSQLt is as simple as creating a stored procedure with a specific naming convention. For example, you can create a test in the “Server” schema with the name “test MyFirstAutoTest”. Inside the test, you can use tSQLt’s built-in functions to perform assertions and validate the expected results.
After creating your autotests, you can execute them using the tSQLt framework. You can run all tests, specific schemas, or individual tests. The results of the test execution will provide you with valuable information about any failures or issues that need to be addressed.
tSQLt can be used for a wide range of testing scenarios. For example, you can use it to check which databases have never been backed up or to identify databases in FULL RECOVERY mode that require a LOG BACKUP. By automating these checks, you can ensure that your databases are properly backed up and protected.
Another useful test you can create with tSQLt is to keep track of AutoGrow events on your server. AutoGrow events occur when a file automatically grows to accommodate new data. By monitoring these events, you can ensure that your disk space is properly managed and avoid any performance issues.
tSQLt also allows you to check if Instant File Initialization is enabled on your server. Instant File Initialization can significantly improve the performance of file allocation operations. By verifying its status, you can ensure that your server is optimized for efficient disk space allocation.
One important thing to note is that tSQLt turns each test into a transaction. If your stored procedures use their own transactions, you need to be cautious to avoid conflicts. For example, if a procedure rolls back its own transaction, it will also roll back the tSQLt transaction, causing the test to fail.
If you prefer a GUI-based approach to unit testing, you can try out dbForge Unit Test for SQL Server. This powerful plugin for SQL Server Management Studio (SSMS) is based on tSQLt and provides a user-friendly interface for creating, editing, and running unit tests. It also offers features like result analysis and test reporting.
With tSQLt and tools like dbForge Unit Test for SQL Server, you can automate the testing process and ensure the quality and reliability of your SQL Server code. Whether you prefer scripting or a GUI-based approach, there is a solution that fits your needs.
So why not give tSQLt a try and start reaping the benefits of unit testing in SQL Server? Download the latest version of tSQLt and explore the possibilities it offers. Happy testing!