test_string_equivilence.py

from string_equivilence import eq
import pytest


@pytest.mark.parametrize("string1, string2", [
("String1", "string1"),
("string 1", "string1"),
("hello_world", "hello world"),
("HelloWorld", "hello world"),
("Hello world!", "hello world?"),
("!!!helloWorld!!!", "helloworld"),
("Yes!", "yes"),
("CASE", "case"),
("issymbol", "Is symbol"),
])
def test_positive_eq(string1, string2):
    assert eq(string1, string2)
    # make sure eq is commutative
    assert eq(string2, string1)


@pytest.mark.parametrize("string1, string2", [
("string1", "string2"),
("string 1", "not string1"),
("cat", "dog"),
("yes", "no"),
("case a", "case b"),
("case1", "case2")
])
def test_negative_eq(string1, string2):
    assert not eq(string1, string2)
    assert not eq(string2, string1)