FizzBuzz test using Pytest with fixtures and test parametrization

test_fizzbuzz.py

import pytest


class FizzBuzz:
    def say(self, number):
        if number % 3 == 0 and number % 5 == 0:
            return 'FizzBuzz'
        elif number % 3 == 0:
            return 'Fizz'
        elif number % 5 == 0:
            return 'Buzz'
        else:
            return number


@pytest.fixture
def fizzbuzz():
    f = FizzBuzz()
    return f


@pytest.mark.parametrize('test_input, expected', [
    (3, 'Fizz'),
    (6, 'Fizz'),
    (5, 'Buzz'),
    (10, 'Buzz'),
    (15, 'FizzBuzz'),
    (30, 'FizzBuzz'),
    (2, 2),
    (7, 7),
])
def test_fizzbuzz(fizzbuzz, test_input, expected):
    assert fizzbuzz.say(test_input) == expected