use chrono::prelude::*;
use mj::core::JustDate;

#[test]
fn parse_today() {
  let x = JustDate::parse(&"today".to_owned());
  assert_eq!(true, x.is_some());
}

#[test]
fn parse_date() {
  let data = vec![
    ("2019-09-04", Utc.ymd(2019, 9, 4)),
    ("2000-01-01", Utc.ymd(2000, 1, 1)),
    ("9999-12-01", Utc.ymd(9999, 12, 1)),
  ];
  for (input, expected) in data {
    let value = JustDate::parse(&input.to_owned());
    assert_eq!(true, value.is_some());
    assert_eq!(expected, value.unwrap().date());
  }
}

#[test]
fn fail_to_parse_date() {
  let data = vec![
    ("2019-00-00"),
  ];
  for input in data {
    let value = JustDate::parse(&input.to_owned());
    assert_eq!(true, value.is_none());
  }
}

#[test]
fn parse_relative_date() {
  let data = vec![
    ("1d"),
    ("15d"),
    ("150d"),
    ("1500d"),
  ];
  for input in data {
    let value = JustDate::parse(&input.to_owned());
    assert_eq!(true, value.is_some());
  }
}