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coreutils/tests/test_hashsum.rs

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macro_rules! get_hash(
($str:expr) => (
$str.split(' ').collect::<Vec<&str>>()[0]
);
);
macro_rules! test_digest {
($($t:ident)*) => ($(
mod $t {
use::common::util::*;
static UTIL_NAME: &'static str = "hashsum";
fn at_and_ucmd() -> (AtPath, UCommand) {
let ts = TestScenario::new(UTIL_NAME);
let ucmd = ts.ucmd();
(ts.fixtures, ucmd)
}
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static DIGEST_ARG: &'static str = concat!("--", stringify!($t));
static EXPECTED_FILE: &'static str = concat!(stringify!($t), ".expected");
#[test]
fn test_single_file() {
let (at, mut ucmd) = at_and_ucmd();
let result = ucmd.arg(DIGEST_ARG).arg("input.txt").run();
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assert_empty_stderr!(result);
assert!(result.success);
assert_eq!(get_hash!(result.stdout), at.read(EXPECTED_FILE));
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}
#[test]
fn test_stdin() {
let (at, mut ucmd) = at_and_ucmd();
let input = at.read("input.txt");
let result = ucmd.arg(DIGEST_ARG).run_piped_stdin(input);
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assert_empty_stderr!(result);
assert!(result.success);
assert_eq!(get_hash!(result.stdout), at.read(EXPECTED_FILE));
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}
}
)*)
}
test_digest! { md5 sha1 sha224 sha256 sha384 sha512 }