cursus 0.3.0

Library crate for the cursus release management CLI
Documentation 
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//! General-purpose utility helpers.

/// Returns today's date as an ISO 8601 string (`YYYY-MM-DD`) in UTC.
pub fn today_iso_date() -> String {
	chrono::Utc::now().format("%Y-%m-%d").to_string()
}

#[cfg(test)]
mod tests {
	use super::*;

	#[test]
	fn today_iso_date_has_correct_format() {
		let date = today_iso_date();
		assert_eq!(date.len(), 10, "date should be 10 chars: {date}");
		assert_eq!(&date[4..5], "-", "missing hyphen after year: {date}");
		assert_eq!(&date[7..8], "-", "missing hyphen after month: {date}");
		assert!(
			date[..4].chars().all(|c| c.is_ascii_digit()),
			"year should be digits: {date}"
		);
		assert!(
			date[5..7].chars().all(|c| c.is_ascii_digit()),
			"month should be digits: {date}"
		);
		assert!(
			date[8..].chars().all(|c| c.is_ascii_digit()),
			"day should be digits: {date}"
		);
	}
}