pub fn secs_to_human(duration: i64) -> String {
let secs = duration % 60;
let mins = duration / 60;
let hours = mins / 60;
let mins = mins % 60;
let mut out = Vec::new();
if hours > 0 {
out.push(format!("{:2}h", hours));
}
if mins > 0 || hours > 0 {
out.push(format!("{:2}m", mins));
}
out.push(format!("{:2}s", secs));
out.join(" ")
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn test_secs_to_human_0s() {
let x = secs_to_human(0);
assert_eq!(x, " 0s");
}
#[test]
fn test_secs_to_human_1s() {
let x = secs_to_human(1);
assert_eq!(x, " 1s");
}
#[test]
fn test_secs_to_human_1m() {
let x = secs_to_human(60);
assert_eq!(x, " 1m 0s");
}
#[test]
fn test_secs_to_human_1m_30s() {
let x = secs_to_human(90);
assert_eq!(x, " 1m 30s");
}
#[test]
fn test_secs_to_human_10m_30s() {
let x = secs_to_human(630);
assert_eq!(x, "10m 30s");
}
#[test]
fn test_secs_to_human_1h() {
let x = secs_to_human(3600);
assert_eq!(x, " 1h 0m 0s");
}
#[test]
fn test_secs_to_human_12h_10m_30s() {
let x = secs_to_human(3600*12 + 600 + 30);
assert_eq!(x, "12h 10m 30s");
}
#[test]
fn test_secs_to_human_100h() {
let x = secs_to_human(3600 * 100);
assert_eq!(x, "100h 0m 0s");
}
}