def test_add_db(tempdb):
c = Calculator(reporter=DBReporter(tempdb))
c.add(10, 20)
[message,
*_] = tempdb.cursor().execute("SELECT message FROM log").fetchone()
assert message == "10 + 20 = 30"
def test_calculator_add_method_returns_correct_result():
calc = Calculator()
result = calc.add(2,2)
assert result == 4
def test_add(tempdir):
c = Calculator('output.txt')
c.add(10, 20)
text_string = Path('output.txt').read_text()
assert text_string == "10 + 20 = 30\n"