coreutils/tests/by-util/test_more.rs

77 lines
2.2 KiB
Rust

use crate::common::util::TestScenario;
use is_terminal::IsTerminal;
#[test]
fn test_more_no_arg() {
// Reading from stdin is now supported, so this must succeed
if std::io::stdout().is_terminal() {
new_ucmd!().succeeds();
}
}
#[test]
fn test_valid_arg() {
if std::io::stdout().is_terminal() {
new_ucmd!().arg("-c").succeeds();
new_ucmd!().arg("--print-over").succeeds();
new_ucmd!().arg("-p").succeeds();
new_ucmd!().arg("--clean-print").succeeds();
new_ucmd!().arg("-s").succeeds();
new_ucmd!().arg("--squeeze").succeeds();
new_ucmd!().arg("-u").succeeds();
new_ucmd!().arg("--plain").succeeds();
new_ucmd!().arg("-n").arg("10").succeeds();
new_ucmd!().arg("--lines").arg("0").succeeds();
new_ucmd!().arg("--number").arg("0").succeeds();
new_ucmd!().arg("-F").arg("10").succeeds();
new_ucmd!().arg("--from-line").arg("0").succeeds();
}
}
#[test]
fn test_invalid_arg() {
if std::io::stdout().is_terminal() {
new_ucmd!().arg("--invalid").fails();
new_ucmd!().arg("--lines").arg("-10").fails();
new_ucmd!().arg("--number").arg("-10").fails();
new_ucmd!().arg("--from-line").arg("-10").fails();
}
}
#[test]
fn test_more_dir_arg() {
// Run the test only if there's a valid terminal, else do nothing
// Maybe we could capture the error, i.e. "Device not found" in that case
// but I am leaving this for later
if std::io::stdout().is_terminal() {
new_ucmd!()
.arg(".")
.fails()
.usage_error("'.' is a directory.");
}
}
#[test]
#[cfg(target_family = "unix")]
fn test_more_invalid_file_perms() {
use std::fs::{set_permissions, Permissions};
use std::os::unix::fs::PermissionsExt;
if std::io::stdout().is_terminal() {
let (at, mut ucmd) = at_and_ucmd!();
let permissions = Permissions::from_mode(0o244);
at.make_file("invalid-perms.txt");
set_permissions(at.plus("invalid-perms.txt"), permissions).unwrap();
ucmd.arg("invalid-perms.txt")
.fails()
.code_is(1)
.stderr_contains("permission denied");
}
}