mirror of
https://github.com/uutils/coreutils
synced 2024-12-13 14:52:41 +00:00
fe5b537f56
Terminate the `truncate` program with an error message when trying to truncate a named pipe (also known as a fifo).
435 lines
11 KiB
Rust
435 lines
11 KiB
Rust
// * This file is part of the uutils coreutils package.
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// *
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// * For the full copyright and license information, please view the LICENSE
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// * file that was distributed with this source code.
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// spell-checker:ignore (words) RFILE
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use crate::common::util::*;
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use std::io::{Seek, SeekFrom, Write};
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static FILE1: &str = "truncate_test_1";
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static FILE2: &str = "truncate_test_2";
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#[test]
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fn test_increase_file_size() {
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let expected = 5 * 1024;
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let (at, mut ucmd) = at_and_ucmd!();
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let mut file = at.make_file(FILE1);
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ucmd.args(&["-s", "+5K", FILE1]).succeeds();
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file.seek(SeekFrom::End(0)).unwrap();
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let actual = file.seek(SeekFrom::Current(0)).unwrap();
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assert!(
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expected == actual,
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"expected '{}' got '{}'",
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expected,
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actual
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);
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}
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#[test]
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fn test_increase_file_size_kb() {
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let expected = 5 * 1000;
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let (at, mut ucmd) = at_and_ucmd!();
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let mut file = at.make_file(FILE1);
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ucmd.args(&["-s", "+5KB", FILE1]).succeeds();
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file.seek(SeekFrom::End(0)).unwrap();
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let actual = file.seek(SeekFrom::Current(0)).unwrap();
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assert!(
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expected == actual,
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"expected '{}' got '{}'",
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expected,
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actual
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);
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}
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#[test]
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fn test_reference() {
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let expected = 5 * 1000;
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let scene = TestScenario::new(util_name!());
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let at = &scene.fixtures;
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let mut file = at.make_file(FILE2);
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// manpage: "A FILE argument that does not exist is created."
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// TODO: 'truncate' does not create the file in this case,
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// but should because '--no-create' wasn't specified.
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at.touch(FILE1); // TODO: remove this when 'no-create' is fixed
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scene.ucmd().arg("-s").arg("+5KB").arg(FILE1).succeeds();
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scene
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.ucmd()
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.arg("--reference")
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.arg(FILE1)
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.arg(FILE2)
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.succeeds();
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file.seek(SeekFrom::End(0)).unwrap();
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let actual = file.seek(SeekFrom::Current(0)).unwrap();
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assert!(
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expected == actual,
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"expected '{}' got '{}'",
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expected,
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actual
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);
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}
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#[test]
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fn test_decrease_file_size() {
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let expected = 6;
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let (at, mut ucmd) = at_and_ucmd!();
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let mut file = at.make_file(FILE2);
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file.write_all(b"1234567890").unwrap();
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ucmd.args(&["--size=-4", FILE2]).succeeds();
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file.seek(SeekFrom::End(0)).unwrap();
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let actual = file.seek(SeekFrom::Current(0)).unwrap();
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assert!(
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expected == actual,
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"expected '{}' got '{}'",
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expected,
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actual
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);
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}
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#[test]
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fn test_space_in_size() {
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let expected = 4;
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let (at, mut ucmd) = at_and_ucmd!();
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let mut file = at.make_file(FILE2);
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file.write_all(b"1234567890").unwrap();
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ucmd.args(&["--size", " 4", FILE2]).succeeds();
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file.seek(SeekFrom::End(0)).unwrap();
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let actual = file.seek(SeekFrom::Current(0)).unwrap();
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assert!(
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expected == actual,
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"expected '{}' got '{}'",
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expected,
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actual
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);
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}
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#[test]
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fn test_failed() {
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new_ucmd!().fails();
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}
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#[test]
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fn test_failed_2() {
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let (_at, mut ucmd) = at_and_ucmd!();
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ucmd.args(&[FILE1]).fails();
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}
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#[test]
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fn test_failed_incorrect_arg() {
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let (_at, mut ucmd) = at_and_ucmd!();
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ucmd.args(&["-s", "+5A", FILE1]).fails();
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}
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#[test]
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fn test_at_most_shrinks() {
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let expected = 4;
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let (at, mut ucmd) = at_and_ucmd!();
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let mut file = at.make_file(FILE2);
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file.write_all(b"1234567890").unwrap();
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ucmd.args(&["--size", "<4", FILE2]).succeeds();
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file.seek(SeekFrom::End(0)).unwrap();
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let actual = file.seek(SeekFrom::Current(0)).unwrap();
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assert!(
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expected == actual,
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"expected '{}' got '{}'",
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expected,
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actual
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);
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}
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#[test]
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fn test_at_most_no_change() {
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let expected = 10;
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let (at, mut ucmd) = at_and_ucmd!();
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let mut file = at.make_file(FILE2);
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file.write_all(b"1234567890").unwrap();
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ucmd.args(&["--size", "<40", FILE2]).succeeds();
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file.seek(SeekFrom::End(0)).unwrap();
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let actual = file.seek(SeekFrom::Current(0)).unwrap();
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assert!(
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expected == actual,
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"expected '{}' got '{}'",
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expected,
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actual
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);
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}
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#[test]
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fn test_at_least_grows() {
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let expected = 15;
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let (at, mut ucmd) = at_and_ucmd!();
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let mut file = at.make_file(FILE2);
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file.write_all(b"1234567890").unwrap();
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ucmd.args(&["--size", ">15", FILE2]).succeeds();
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file.seek(SeekFrom::End(0)).unwrap();
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let actual = file.seek(SeekFrom::Current(0)).unwrap();
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assert!(
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expected == actual,
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"expected '{}' got '{}'",
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expected,
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actual
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);
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}
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#[test]
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fn test_at_least_no_change() {
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let expected = 10;
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let (at, mut ucmd) = at_and_ucmd!();
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let mut file = at.make_file(FILE2);
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file.write_all(b"1234567890").unwrap();
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ucmd.args(&["--size", ">4", FILE2]).succeeds();
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file.seek(SeekFrom::End(0)).unwrap();
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let actual = file.seek(SeekFrom::Current(0)).unwrap();
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assert!(
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expected == actual,
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"expected '{}' got '{}'",
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expected,
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actual
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);
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}
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#[test]
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fn test_round_down() {
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let expected = 8;
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let (at, mut ucmd) = at_and_ucmd!();
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let mut file = at.make_file(FILE2);
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file.write_all(b"1234567890").unwrap();
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ucmd.args(&["--size", "/4", FILE2]).succeeds();
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file.seek(SeekFrom::End(0)).unwrap();
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let actual = file.seek(SeekFrom::Current(0)).unwrap();
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assert!(
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expected == actual,
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"expected '{}' got '{}'",
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expected,
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actual
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);
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}
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#[test]
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fn test_round_up() {
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let expected = 12;
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let (at, mut ucmd) = at_and_ucmd!();
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let mut file = at.make_file(FILE2);
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file.write_all(b"1234567890").unwrap();
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ucmd.args(&["--size", "%4", FILE2]).succeeds();
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file.seek(SeekFrom::End(0)).unwrap();
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let actual = file.seek(SeekFrom::Current(0)).unwrap();
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assert!(
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expected == actual,
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"expected '{}' got '{}'",
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expected,
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actual
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);
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}
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#[test]
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fn test_size_and_reference() {
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let expected = 15;
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let (at, mut ucmd) = at_and_ucmd!();
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let mut file1 = at.make_file(FILE1);
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let mut file2 = at.make_file(FILE2);
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file1.write_all(b"1234567890").unwrap();
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ucmd.args(&["--reference", FILE1, "--size", "+5", FILE2])
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.succeeds();
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file2.seek(SeekFrom::End(0)).unwrap();
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let actual = file2.seek(SeekFrom::Current(0)).unwrap();
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assert!(
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expected == actual,
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"expected '{}' got '{}'",
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expected,
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actual
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);
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}
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#[test]
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fn test_error_filename_only() {
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// truncate: you must specify either '--size' or '--reference'
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new_ucmd!().args(&["file"]).fails().stderr_contains(
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"error: The following required arguments were not provided:
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--reference <RFILE>
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--size <SIZE>",
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);
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}
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#[test]
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fn test_invalid_numbers() {
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new_ucmd!()
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.args(&["-s", "0X", "file"])
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.fails()
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.stderr_contains("Invalid number: '0X'");
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new_ucmd!()
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.args(&["-s", "0XB", "file"])
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.fails()
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.stderr_contains("Invalid number: '0XB'");
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new_ucmd!()
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.args(&["-s", "0B", "file"])
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.fails()
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.stderr_contains("Invalid number: '0B'");
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}
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#[test]
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fn test_reference_file_not_found() {
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new_ucmd!()
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.args(&["-r", "a", "b"])
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.fails()
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.stderr_contains("cannot stat 'a': No such file or directory");
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}
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#[test]
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fn test_reference_with_size_file_not_found() {
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new_ucmd!()
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.args(&["-r", "a", "-s", "+1", "b"])
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.fails()
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.stderr_contains("cannot stat 'a': No such file or directory");
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}
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#[test]
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fn test_truncate_bytes_size() {
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// TODO: this should succeed without error, uncomment when '--no-create' is fixed
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// new_ucmd!()
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// .args(&["--no-create", "--size", "K", "file"])
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// .succeeds();
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new_ucmd!()
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.args(&["--size", "1024R", "file"])
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.fails()
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.code_is(1)
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.stderr_only("truncate: Invalid number: '1024R'");
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#[cfg(not(target_pointer_width = "128"))]
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new_ucmd!()
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.args(&["--size", "1Y", "file"])
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.fails()
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.code_is(1)
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.stderr_only("truncate: Invalid number: '1Y': Value too large for defined data type");
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#[cfg(target_pointer_width = "32")]
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{
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let sizes = ["1000G", "10T"];
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for size in &sizes {
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new_ucmd!()
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.args(&["--size", size, "file"])
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.fails()
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.code_is(1)
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.stderr_only(format!(
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"truncate: Invalid number: '{}': Value too large for defined data type",
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size
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));
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}
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}
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}
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/// Test that truncating a non-existent file creates that file.
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#[test]
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fn test_new_file() {
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let (at, mut ucmd) = at_and_ucmd!();
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let filename = "new_file_that_does_not_exist_yet";
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ucmd.args(&["-s", "8", filename])
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.succeeds()
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.no_stdout()
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.no_stderr();
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assert!(at.file_exists(filename));
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assert_eq!(at.read_bytes(filename), vec![b'\0'; 8]);
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}
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/// Test for not creating a non-existent file.
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#[test]
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fn test_new_file_no_create() {
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let (at, mut ucmd) = at_and_ucmd!();
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let filename = "new_file_that_does_not_exist_yet";
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ucmd.args(&["-s", "8", "-c", filename])
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.succeeds()
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.no_stdout()
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.no_stderr();
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assert!(!at.file_exists(filename));
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}
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#[test]
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fn test_division_by_zero_size_only() {
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new_ucmd!()
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.args(&["-s", "/0", "file"])
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.fails()
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.no_stdout()
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.stderr_contains("division by zero");
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new_ucmd!()
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.args(&["-s", "%0", "file"])
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.fails()
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.no_stdout()
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.stderr_contains("division by zero");
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}
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#[test]
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fn test_division_by_zero_reference_and_size() {
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let (at, mut ucmd) = at_and_ucmd!();
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at.make_file(FILE1);
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ucmd.args(&["-r", FILE1, "-s", "/0", "file"])
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.fails()
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.no_stdout()
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.stderr_contains("division by zero");
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let (at, mut ucmd) = at_and_ucmd!();
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at.make_file(FILE1);
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ucmd.args(&["-r", FILE1, "-s", "%0", "file"])
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.fails()
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.no_stdout()
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.stderr_contains("division by zero");
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}
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#[test]
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fn test_no_such_dir() {
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new_ucmd!()
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.args(&["-s", "0", "a/b"])
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.fails()
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.no_stdout()
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.stderr_contains("cannot open 'a/b' for writing: No such file or directory");
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}
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/// Test that truncate with a relative size less than 0 is not an error.
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#[test]
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fn test_underflow_relative_size() {
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let (at, mut ucmd) = at_and_ucmd!();
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ucmd.args(&["-s-1", FILE1])
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.succeeds()
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.no_stdout()
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.no_stderr();
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assert!(at.file_exists(FILE1));
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assert!(at.read_bytes(FILE1).is_empty());
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}
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#[cfg(not(windows))]
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#[test]
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fn test_fifo_error_size_only() {
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let (at, mut ucmd) = at_and_ucmd!();
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at.mkfifo("fifo");
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ucmd.args(&["-s", "0", "fifo"])
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.fails()
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.no_stdout()
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.stderr_contains("cannot open 'fifo' for writing: No such device or address");
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}
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#[cfg(not(windows))]
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#[test]
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fn test_fifo_error_reference_file_only() {
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let (at, mut ucmd) = at_and_ucmd!();
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at.mkfifo("fifo");
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at.make_file("reference_file");
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ucmd.args(&["-r", "reference_file", "fifo"])
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.fails()
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.no_stdout()
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.stderr_contains("cannot open 'fifo' for writing: No such device or address");
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}
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#[cfg(not(windows))]
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#[test]
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fn test_fifo_error_reference_and_size() {
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let (at, mut ucmd) = at_and_ucmd!();
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at.mkfifo("fifo");
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at.make_file("reference_file");
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ucmd.args(&["-r", "reference_file", "-s", "+0", "fifo"])
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.fails()
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.no_stdout()
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.stderr_contains("cannot open 'fifo' for writing: No such device or address");
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}
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