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mod core;
pub use crate::core::*;
use regex::Regex;
pub fn create_reg_exp(input: impl AsRegex) -> Result<Regex> {
input.as_regex()
}
#[cfg(test)]
mod tests {
use super::{create_reg_exp, not, Exactly, OneOrMore, Type::Digit};
use crate::Input::Maybe;
use crate::Type::Text;
#[test]
fn test_single_digit() {
let input = Exactly(Digit);
let regex = create_reg_exp(input).unwrap();
assert!(regex.is_match("1"));
assert!(!regex.is_match("12"));
assert!(regex.is_match("1 2"));
}
#[test]
fn test_maybe_digit() {
let input = Maybe(Digit);
let regex = create_reg_exp(input).unwrap();
assert!(regex.is_match("1"));
assert!(regex.is_match(""));
assert!(regex.is_match("12"));
assert!(regex.is_match("1 2"));
}
#[test]
fn test_one_or_more_digits() {
let input = OneOrMore(Digit);
let regex = create_reg_exp(input).unwrap();
assert!(regex.is_match("1"));
assert!(regex.is_match("12"));
assert!(regex.is_match("1 2"));
assert!(regex.is_match("123"));
assert!(regex.is_match("12a3"));
}
#[test]
fn test_not_digit() {
let input = Exactly(not(Digit));
let regex = create_reg_exp(input).unwrap();
assert!(!regex.is_match("1"));
assert!(regex.is_match("a"));
}
#[test]
fn test_not_not_stuff() {
let input = Exactly(not(not(Digit)));
let regex = create_reg_exp(input).unwrap();
assert!(regex.is_match("1"));
assert!(!regex.is_match("a"));
}
#[test]
fn test_exactly_text() {
let input = Exactly(Text("welt".into()));
let regex = create_reg_exp(input).unwrap();
assert!(regex.is_match("Hallo welt"));
assert!(!regex.is_match("Hallo Welt"));
}
}