yara-x-cli 0.15.0

A command-line interface for YARA-X. 
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use assert_cmd::Command;
use assert_fs::prelude::*;
use assert_fs::TempDir;

#[test]
fn fmt() {
    let temp_dir = TempDir::new().unwrap();
    let input_file = temp_dir.child("rule.yar");

    input_file.write_str("rule test { condition: true }").unwrap();

    Command::cargo_bin("yr")
        .unwrap()
        .arg("fmt")
        .arg(input_file.path())
        .assert()
        .code(1); // Exit code 1 indicates that the file was modified.

    Command::cargo_bin("yr")
        .unwrap()
        .arg("fmt")
        .arg(input_file.path())
        .assert()
        .code(0); // Second time that we format the same file, no expected changes.
}

#[test]
fn utf8_error() {
    let temp_dir = TempDir::new().unwrap();
    let input_file = temp_dir.child("rule.yar");

    input_file.write_binary(&[0xff, 0xff]).unwrap();

    Command::cargo_bin("yr")
        .unwrap()
        .arg("fmt")
        .arg(input_file.path())
        .assert()
        .stderr("error: invalid UTF-8 at [0..1]\n")
        .code(1);
}