How can I effectively unit test in dynamically typed languages?

How can I effectively unit test in dynamically typed languages?

Unit testing in dynamically typed languages can be challenging due to the lack of strict type checks. However, you can use techniques like test-driven development (TDD), mocking, and leveraging testing frameworks that support dynamic typing.

What are some popular testing frameworks for dynamically typed languages?

Some popular testing frameworks include Mocha and Jasmine for JavaScript, PyTest for Python, and RSpec for Ruby. These frameworks provide tools to write and run tests easily.

How do I handle type-related errors during testing?

You can handle type-related errors by writing comprehensive test cases that cover various input scenarios. Additionally, using type hinting or type checking libraries can help catch errors early.

Can you give an example of a unit test in Python?

Sure! Here's a simple example using PyTest:

def add(a, b):
    return a + b

def test_add():
    assert add(1, 2) == 3
    assert add('a', 'b') == 'ab'