def test_expression_with_invalid_chars():
with pytest.raises(ValueError):
translate_to_number("I-****-MY_JOB")
def test_expression_should_be_at_least_one_char():
with pytest.raises(ValueError):
translate_to_number("")
def test_expression_maximum_are_thirty_chars():
long_expression = "1111111111" "1111111111" "1111111111" "1" # 10 chars
with pytest.raises(ValueError):
translate_to_number(long_expression)
def test_wxyz_should_be_converted_in_9():
assert translate_to_number("WXYZ") == "9999"
def test_dashe_zero_one_should_be_keeped():
assert translate_to_number("0-1") == "0-1"
def test_pqrs_should_be_converted_in_7():
assert translate_to_number("PQRS") == "7777"
def test_tuv_should_be_converted_in_8():
assert translate_to_number("TUV") == "888"
def test_mno_should_be_converted_in_6():
assert translate_to_number("MNO") == "666"
def test_jkl_should_be_converted_in_5():
assert translate_to_number("JKL") == "555"
def test_ghi_should_be_converted_in_4():
assert translate_to_number("GHI") == "444"
def test_def_should_be_converted_in_3():
assert translate_to_number("DEF") == "333"
def test_abc_should_be_converted_in_2():
assert translate_to_number("ABC") == "222"