Question 1

How do I set up Minitest in SBT for Scala.js?

Accepted Answer

Use the %%% operator in build.sbt to add the dependency, e.g., 'io.monix' %%% 'minitest' % '2.9.6' % 'test', and set testFrameworks to include minitest.runner.Framework. This ensures cross-compilation support for Scala.js projects.

Question 2

Minitest vs ScalaTest: which is better for my project?

Accepted Answer

Minitest excels in simplicity and minimal overhead, ideal for small to medium projects or cross-platform testing. ScalaTest offers more features like BDD, mocking, and richer reporting, making it better for complex enterprise needs.

Question 3

Can Minitest handle integration tests with databases?

Accepted Answer

Yes, through TestSuite with setup/tearDown methods, you can manage resources per test or suite. However, it doesn't provide specific database utilities, so you'll need to integrate with other libraries or handle connections manually.

Question 4

How to write property-based tests with Minitest?

Accepted Answer

Add the minitest-laws dependency, mix in the Checkers trait in your test suite, and use methods like check2 or check3 to define properties. The README shows an example with integer addition commutativity.

Question 5

What assertion methods does Minitest support?

Accepted Answer

It includes a comprehensive set like assertEquals, assertResult, intercept, assertDoesNotCompile, and conditional ignore/cancel. All are detailed in the Asserts.scala file, covering most testing scenarios.

Question 6

Is Minitest good for large codebases with many tests?

Accepted Answer

It can scale, but the minimal design might lead to boilerplate in very large suites. For extensive infrastructures, frameworks with more tooling and community plugins might be more efficient and maintainable.

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