What are some examples of integration testing in Python?

What are some examples of integration testing in Python?

Integration testing in Python involves testing the interaction between different modules. Examples include using frameworks like pytest or unittest to test APIs, database interactions, or third-party service integrations.

Can you show me a simple example using pytest?

Sure! Here's a simple example:

import pytest

# Function to be tested
def add(a, b):
    return a + b

# Test function
def test_add():
    assert add(1, 2) == 3
    assert add(-1, 1) == 0

This tests the add function to ensure it works correctly.

What about testing a REST API?

For testing a REST API, you can use the requests library along with pytest. Here's a basic example:

import requests

def test_get_users():
    response = requests.get('https://jsonplaceholder.typicode.com/users')
    assert response.status_code == 200
    assert len(response.json()) > 0

This tests if the API returns a successful response and checks that there are users returned.

Are there any tools that can help with integration testing?

Yes, some popular tools for integration testing in Python include pytest, unittest, and Behave for behavior-driven development. Additionally, tools like Postman can be used for API testing.