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Code Issues Activity

df: always round up usage percentage (#3208)

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This commit is contained in:
Daniel Hofstetter 2022-03-08 15:13:05 +01:00
parent 37a0a74c19
commit 3317fb9924
2 changed files with 65 additions and 2 deletions
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35
tests/by-util/test_df.rs
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@ -120,7 +120,40 @@ fn test_total() {
assert_eq!(computed_total_size, reported_total_size);
assert_eq!(computed_total_used, reported_total_used);
assert_eq!(computed_total_avail, reported_total_avail);
// TODO We could also check here that the use percentage matches.
}
#[test]
fn test_use_percentage() {
// Example output:
//
// Filesystem 1K-blocks Used Available Use% Mounted on
// udev 3858016 0 3858016 0% /dev
// ...
// /dev/loop14 63488 63488 0 100% /snap/core20/1361
let output = new_ucmd!().succeeds().stdout_move_str();
// Skip the header line.
let lines: Vec<&str> = output.lines().skip(1).collect();
for line in lines {
let mut iter = line.split_whitespace();
iter.next();
let reported_size = iter.next().unwrap().parse::<f64>().unwrap();
let reported_used = iter.next().unwrap().parse::<f64>().unwrap();
// Skip "Available" column
iter.next();
if cfg!(target_os = "macos") {
// Skip "Capacity" column
iter.next();
}
let reported_percentage = iter.next().unwrap();
let reported_percentage = reported_percentage[..reported_percentage.len() - 1]
.parse::<u8>()
.unwrap();
let computed_percentage = (100.0 * (reported_used / reported_size)).ceil() as u8;
assert_eq!(computed_percentage, reported_percentage);
}
}
#[test]