mirror of
https://github.com/uutils/coreutils
synced 2024-12-13 23:02:38 +00:00
bf69c63e09
Change formula from: "Used/Size * 100" to "Used/(Used + Avail) * 100". This formula also works if "Used" and "Avail" do not add up to "Size", which is the case if there are reserved disk blocks.
282 lines
8.4 KiB
Rust
282 lines
8.4 KiB
Rust
// spell-checker:ignore udev pcent
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use crate::common::util::*;
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#[test]
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fn test_df_compatible_no_size_arg() {
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new_ucmd!().arg("-a").succeeds();
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}
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#[test]
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fn test_df_shortened_long_argument() {
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new_ucmd!().arg("--a").succeeds();
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}
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#[test]
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fn test_df_compatible() {
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new_ucmd!().arg("-ah").succeeds();
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}
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#[test]
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fn test_df_compatible_type() {
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new_ucmd!().arg("-aT").succeeds();
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}
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#[test]
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fn test_df_compatible_si() {
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new_ucmd!().arg("-aH").succeeds();
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}
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#[test]
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fn test_df_output() {
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// TODO These should fail because `-total` should have two dashes,
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// not just one. But they don't fail.
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if cfg!(target_os = "macos") {
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new_ucmd!().arg("-H").arg("-total").succeeds().
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stdout_only("Filesystem Size Used Available Capacity Use% Mounted on \n");
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} else {
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new_ucmd!().arg("-H").arg("-total").succeeds().stdout_only(
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"Filesystem Size Used Available Use% Mounted on \n",
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);
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}
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}
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/// Test that the order of rows in the table does not change across executions.
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#[test]
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fn test_order_same() {
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let output1 = new_ucmd!()
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.arg("--output=source")
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.succeeds()
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.stdout_move_str();
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let output2 = new_ucmd!()
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.arg("--output=source")
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.succeeds()
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.stdout_move_str();
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assert_eq!(output1, output2);
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}
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/// Test of mount point begin repeated
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#[cfg(unix)]
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#[test]
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fn test_output_mp_repeat() {
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let output1 = new_ucmd!().arg("/").arg("/").succeeds().stdout_move_str();
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let output1: Vec<String> = output1
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.lines()
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.map(|l| String::from(l.split_once(' ').unwrap().0))
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.collect();
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assert_eq!(3, output1.len());
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assert_eq!(output1[1], output1[2]);
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}
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#[test]
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fn test_output_conflict_options() {
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for option in ["-i", "-T", "-P"] {
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new_ucmd!().arg("--output=source").arg(option).fails();
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}
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}
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#[test]
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fn test_output_option() {
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new_ucmd!().arg("--output").succeeds();
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new_ucmd!().arg("--output=source,target").succeeds();
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new_ucmd!().arg("--output=invalid_option").fails();
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}
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#[test]
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fn test_output_option_without_equals_sign() {
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new_ucmd!().arg("--output").arg(".").succeeds();
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}
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#[test]
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fn test_type_option() {
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new_ucmd!().args(&["-t", "ext4", "-t", "ext3"]).succeeds();
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}
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#[test]
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fn test_exclude_type_option() {
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new_ucmd!().args(&["-x", "ext4", "-x", "ext3"]).succeeds();
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}
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#[test]
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fn test_total() {
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// Example output:
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//
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// Filesystem 1K-blocks Used Available Use% Mounted on
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// udev 3858016 0 3858016 0% /dev
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// ...
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// /dev/loop14 63488 63488 0 100% /snap/core20/1361
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// total 258775268 98099712 148220200 40% -
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let output = new_ucmd!().arg("--total").succeeds().stdout_move_str();
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// Skip the header line.
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let lines: Vec<&str> = output.lines().skip(1).collect();
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// Parse the values from the last row.
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let last_line = lines.last().unwrap();
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let mut iter = last_line.split_whitespace();
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assert_eq!(iter.next().unwrap(), "total");
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let reported_total_size = iter.next().unwrap().parse().unwrap();
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let reported_total_used = iter.next().unwrap().parse().unwrap();
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let reported_total_avail = iter.next().unwrap().parse().unwrap();
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// Loop over each row except the last, computing the sum of each column.
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let mut computed_total_size = 0;
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let mut computed_total_used = 0;
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let mut computed_total_avail = 0;
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let n = lines.len();
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for line in &lines[..n - 1] {
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let mut iter = line.split_whitespace();
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iter.next().unwrap();
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computed_total_size += iter.next().unwrap().parse::<u64>().unwrap();
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computed_total_used += iter.next().unwrap().parse::<u64>().unwrap();
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computed_total_avail += iter.next().unwrap().parse::<u64>().unwrap();
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}
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// Check that the sum of each column matches the reported value in
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// the last row.
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assert_eq!(computed_total_size, reported_total_size);
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assert_eq!(computed_total_used, reported_total_used);
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assert_eq!(computed_total_avail, reported_total_avail);
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}
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#[test]
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fn test_use_percentage() {
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let output = new_ucmd!()
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.args(&["--total", "--output=used,avail,pcent"])
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.succeeds()
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.stdout_move_str();
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// Skip the header line.
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let lines: Vec<&str> = output.lines().skip(1).collect();
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for line in lines {
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let mut iter = line.split_whitespace();
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let reported_used = iter.next().unwrap().parse::<f64>().unwrap();
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let reported_avail = iter.next().unwrap().parse::<f64>().unwrap();
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let reported_percentage = iter.next().unwrap();
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let reported_percentage = reported_percentage[..reported_percentage.len() - 1]
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.parse::<u8>()
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.unwrap();
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let computed_percentage =
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(100.0 * (reported_used / (reported_used + reported_avail))).ceil() as u8;
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assert_eq!(computed_percentage, reported_percentage);
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}
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}
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#[test]
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fn test_block_size_1024() {
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fn get_header(block_size: u64) -> String {
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// TODO When #3057 is resolved, we should just use
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//
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// new_ucmd!().arg("--output=size").succeeds().stdout_move_str();
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//
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// instead of parsing the entire `df` table as a string.
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let output = new_ucmd!()
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.args(&["-B", &format!("{}", block_size)])
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.succeeds()
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.stdout_move_str();
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let first_line = output.lines().next().unwrap();
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let mut column_labels = first_line.split_whitespace();
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let size_column_label = column_labels.nth(1).unwrap();
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size_column_label.into()
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}
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assert_eq!(get_header(1024), "1K-blocks");
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assert_eq!(get_header(2048), "2K-blocks");
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assert_eq!(get_header(4096), "4K-blocks");
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assert_eq!(get_header(1024 * 1024), "1M-blocks");
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assert_eq!(get_header(2 * 1024 * 1024), "2M-blocks");
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assert_eq!(get_header(1024 * 1024 * 1024), "1G-blocks");
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assert_eq!(get_header(34 * 1024 * 1024 * 1024), "34G-blocks");
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}
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// TODO The spacing does not match GNU df. Also we need to remove
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// trailing spaces from the heading row.
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#[test]
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fn test_output_selects_columns() {
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let output = new_ucmd!()
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.args(&["--output=source"])
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.succeeds()
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.stdout_move_str();
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assert_eq!(output.lines().next().unwrap(), "Filesystem ");
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let output = new_ucmd!()
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.args(&["--output=source,target"])
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.succeeds()
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.stdout_move_str();
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assert_eq!(
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output.lines().next().unwrap(),
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"Filesystem Mounted on "
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);
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let output = new_ucmd!()
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.args(&["--output=source,target,used"])
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.succeeds()
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.stdout_move_str();
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assert_eq!(
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output.lines().next().unwrap(),
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"Filesystem Mounted on Used "
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);
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}
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#[test]
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fn test_output_multiple_occurrences() {
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let output = new_ucmd!()
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.args(&["--output=source", "--output=target"])
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.succeeds()
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.stdout_move_str();
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assert_eq!(
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output.lines().next().unwrap(),
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"Filesystem Mounted on "
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);
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}
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// TODO Fix the spacing.
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#[test]
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fn test_output_file_all_filesystems() {
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// When run with no positional arguments, `df` lets "-" represent
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// the "File" entry for each row.
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let output = new_ucmd!()
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.arg("--output=file")
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.succeeds()
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.stdout_move_str();
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let mut lines = output.lines();
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assert_eq!(lines.next().unwrap(), "File ");
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for line in lines {
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assert_eq!(line, "- ");
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}
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}
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// TODO Fix the spacing.
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#[test]
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fn test_output_file_specific_files() {
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// Create three files.
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let (at, mut ucmd) = at_and_ucmd!();
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at.touch("a");
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at.touch("b");
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at.touch("c");
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// When run with positional arguments, the filesystems should
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// appear in the "File" column.
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let output = ucmd
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.args(&["--output=file", "a", "b", "c"])
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.succeeds()
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.stdout_move_str();
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let actual: Vec<&str> = output.lines().collect();
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assert_eq!(
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actual,
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vec![
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"File ",
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"a ",
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"b ",
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"c "
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]
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);
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}
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#[test]
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fn test_output_field_no_more_than_once() {
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new_ucmd!()
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.arg("--output=target,source,target")
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.fails()
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.usage_error("option --output: field 'target' used more than once");
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}
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