def test_put_primes_raises_error_on_negative_numbers():
with pytest.raises(Exception) as error_info:
put_primes_in_table(-19)
assert error_info.value.args[0] == (
'-19 is not greater than 0, please enter' + ' a positive number')
def test_put_primes_in_table_can_take_string_thanks_to_decorator():
prime_table_string = put_primes_in_table('3')
should_be_string = 'x |2 |3 |5 \n2 |4 |6 |10\n3 |6 |9 |15\n5 |10|15|25'
assert prime_table_string == should_be_string
def test_put_primes_in_table_raises_errors_for_string_input():
with pytest.raises(Exception) as error_info:
put_primes_in_table('abc')
assert error_info.value.args[0] == 'abc is not an integer'
def test_put_primes_in_table_raises_error_for_float_input():
with pytest.raises(Exception) as error_info:
put_primes_in_table(3.14)
assert error_info.value.args[0] == '3.14 is not an integer'
def test_put_primes_in_table_renders_correctly():
prime_table_string = put_primes_in_table(3)
should_be_string = 'x |2 |3 |5 \n2 |4 |6 |10\n3 |6 |9 |15\n5 |10|15|25'
assert prime_table_string == should_be_string