use crate::common::util::*; // tests for basic tee functionality. // inspired by: // https://github.com/coreutils/coreutils/tests/misc/tee.sh #[test] fn test_tee_processing_multiple_operands() { // POSIX says: "Processing of at least 13 file operands shall be supported." let content = "tee_sample_content"; for &n in &[1, 2, 12, 13] { let files = (1..=n).map(|x| x.to_string()).collect::>(); let (at, mut ucmd) = at_and_ucmd!(); ucmd.args(&files) .pipe_in(content) .succeeds() .stdout_is(content); for file in &files { assert!(at.file_exists(file)); assert_eq!(at.read(file), content); } } } #[test] fn test_tee_treat_minus_as_filename() { // Ensure tee treats '-' as the name of a file, as mandated by POSIX. let (at, mut ucmd) = at_and_ucmd!(); let content = "tee_sample_content"; let file = "-"; ucmd.arg("-").pipe_in(content).succeeds().stdout_is(content); assert!(at.file_exists(file)); assert_eq!(at.read(file), content); } #[test] fn test_tee_append() { let (at, mut ucmd) = at_and_ucmd!(); let content = "tee_sample_content"; let file = "tee_out"; at.touch(file); at.write(file, content); assert_eq!(at.read(file), content); ucmd.arg("-a") .arg(file) .pipe_in(content) .succeeds() .stdout_is(content); assert!(at.file_exists(file)); assert_eq!(at.read(file), content.repeat(2)); } #[test] #[cfg(target_os = "linux")] fn test_tee_no_more_writeable_1() { // equals to 'tee /dev/full out2 (); let file_out = "tee_file_out"; ucmd.arg("/dev/full") .arg(file_out) .pipe_in(&content[..]) .fails() .stdout_contains(&content) .stderr_contains(&"No space left on device"); assert_eq!(at.read(file_out), content); } #[test] #[cfg(target_os = "linux")] fn test_tee_no_more_writeable_2() { // should be equals to 'tee out1 out2 >/dev/full (); let file_out_a = "tee_file_out_a"; let file_out_b = "tee_file_out_b"; let _result = ucmd .arg(file_out_a) .arg(file_out_b) .pipe_in("/dev/full") .succeeds(); // TODO: expected to succeed currently; change to fails() when required // TODO: comment in after https://github.com/uutils/coreutils/issues/1805 is fixed // assert_eq!(at.read(file_out_a), content); // assert_eq!(at.read(file_out_b), content); // assert!(result.stderr.contains("No space left on device")); }