SQLTest (tSQLt)

Open Source

tSQLt-based unit testing framework for SQL Server stored procedures, functions, and views.

Visit website GitHub

Pricing

Free / Open source

Type

Automation

// VERDICT

Reach for tSQLt (SQLTest) when you want to unit-test SQL Server logic in T-SQL with table mocking and isolation. Skip it when you're not on SQL Server, want app-layer tests, or a no-code tool.

Best for

Unit testing for SQL Server databases (tSQLt) - writing tests in T-SQL to verify stored procedures, functions and data logic, with mocking of tables and isolation per test.

Avoid when

You're not on SQL Server/T-SQL, you want application-layer testing, or a no-code approach.

CI/CD fit

T-SQL test framework · runs in SQL Server · CI via SQL scripts

Team fit

SQL Server/database teams · DBA/QA testing DB logic · Data-layer testing

Setup

Easy

Maintenance

Low

Learning

Intermediate

Licence

Free / Open source

// BEST FOR

Unit-testing stored procedures and functions in T-SQL
Mocking tables to isolate logic under test
Per-test isolation and rollback
Testing data logic close to the database
Integrating DB tests into CI
Catching regressions in SQL logic

// AVOID WHEN

You're not on SQL Server/T-SQL
Application-layer testing is the need
A no-code approach is required
Your data logic lives in the app, not the DB
Cross-database-engine testing is needed
Minimal DB-side testing suffices

// QUICK START

Install tSQLt into the SQL Server database -> write T-SQL test procedures with
asserts and table mocking -> run in CI against a SQL Server instance -> gate on
failures.

// ALTERNATIVES TO CONSIDER

Tool	Choose it when
DbUnit	You want database state setup/verification for JVM integration tests.
Testcontainers	You want a real database spun up per test from code.
pytest	You want to test data logic from the application layer.