coreutils/test/cp.rs
2015-05-29 13:47:00 -04:00

35 lines
1.1 KiB
Rust

use std::fs::File;
use std::io::Read;
use std::path::Path;
use std::process::Command;
use util::*;
static PROGNAME: &'static str = "./cp";
static TEST_HELLO_WORLD_SOURCE: &'static str = "hello_world.txt";
static TEST_HELLO_WORLD_DEST: &'static str = "copy_of_hello_world.txt";
#[path = "common/util.rs"]
#[macro_use]
mod util;
#[test]
fn test_cp_cp() {
// Invoke our binary to make the copy.
let prog = Command::new(PROGNAME)
.arg(TEST_HELLO_WORLD_SOURCE)
.arg(TEST_HELLO_WORLD_DEST)
.status();
// Check that the exit code represents a successful copy.
let exit_success = prog.unwrap().success();
assert_eq!(exit_success, true);
// Check the content of the destination file that was copied.
let mut contents = String::new();
let mut f = File::open(Path::new(TEST_HELLO_WORLD_DEST)).unwrap();
let _ = f.read_to_string(&mut contents);
assert_eq!(contents, "Hello, World!\n");
cleanup(TEST_HELLO_WORLD_SOURCE);
cleanup(TEST_HELLO_WORLD_DEST);
}