public void should_get_char_return_number()
{
//act
var res = new Encryptor().Convert("a");
//assert
res.Should().BeEquivalentTo("1");
}
public void should_take_nums_and_convert_them_to_chars()
{
//arrange
const string text = "1_2_3_4";
const string expected = "abcd";
//act
var res = new Encryptor().Convert(text);
//assert
res.Should().BeEquivalentTo(expected);
}
public void should_take_string_of_chars_return_nums()
{
var res = new Encryptor().Convert("abcd");
res.Should().BeEquivalentTo("1_2_3_4");
}