FizzBuzz kata in Rust (see revisions)

main.rs

fn main() {
    println!("Fizz Buzz game");
    println!("-----------------");
    for i in 1..101 {
        println!("{}", fizzbuzzer(i));
    }
}

fn fizzbuzzer(number: u8) -> String {
    match (number % 3, number % 5) {
        (0, 0) => String::from("fizzbuzz"),
        (0, _) => String::from("fizz"),
        (_, 0) => String::from("buzz"),
        (_, _) => number.to_string()
    }
}

#[cfg(test)]
mod fizzbuzz_tests {
    use super::fizzbuzzer;

    #[test]
    fn when_input_is_1_returns_1() {
        assert_fizzbuzzer(1, "1");
    }

    #[test]
    fn when_input_is_2_returns_2() {
        assert_fizzbuzzer(2, "2");
    }

    #[test]
    fn when_input_is_3_returns_fizz() {
        assert_fizzbuzzer(3, "fizz");
    }
    
    // #[test]
    // fn when_input_is_4_returns_4() {
    //     assert_fizzbuzzer(4, "4");
    // }
    
    #[test]
    fn when_input_is_5_returns_buzz() {
        assert_fizzbuzzer(5, "buzz");
    }
    
    #[test]
    fn when_input_is_6_returns_fizz() {
        assert_fizzbuzzer(6, "fizz");
    }
    
    #[test]
    fn when_input_is_10_returns_buzz() {
        assert_fizzbuzzer(10, "buzz");
    }
    
    #[test]
    fn when_input_is_15_returns_buzz() {
        assert_fizzbuzzer(15, "fizzbuzz");
    }
    
    fn assert_fizzbuzzer(input: u8, expected: &str) {
        let actual = fizzbuzzer(input);
        assert_eq!(expected, actual);
    }
}