Pytest interface automated test framework | fixture call fixture

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pytest One of its biggest advantages is its extremely flexible fixture System . It enables us to decompose the complex requirements of testing into simpler and organized functions , We just need to let each function describe what they depend on . We will introduce it further , Today we will demonstrate with a simple example fixture How to use other fixture.

Illustrate with examples ：

import pytest

#  Environmental preparation 
@pytest.fixture()
def first_entry():
    return "a"

#  Environmental preparation 
@pytest.fixture()
def order(first_entry):
    return [first_entry]

def test_string(order):
    #  Use case execution 
    order.append("b")

    #  Assertion 
    assert order == ["a", "b"]

if __name__ == '__main__':
    pytest.main(["-s", "test_append.py"])