assertables

Macro assert_command_stdout_eq_expr

source 
macro_rules! assert_command_stdout_eq_expr {
    ($a_command:expr, $b_expr:expr $(,)?) => { ... };
    ($a_command:expr, $b_expr:expr, $($message:tt)+) => { ... };
}
Expand description

Assert a command stdout string is equal to an expression.

  • If true, return ().

  • Otherwise, call panic! with a message and the values of the expressions with their debug representations.

§Examples

use assertables::*;
use std::process::Command;

let mut command = Command::new("bin/printf-stdout");
command.args(["%s", "alfa"]);
let bytes = vec![b'a', b'l', b'f', b'a'];
assert_command_stdout_eq_expr!(command, &bytes);

let mut command = Command::new("bin/printf-stdout");
command.args(["%s", "alfa"]);
let bytes = vec![b'z'];
assert_command_stdout_eq_expr!(command, &bytes);
// assertion failed: `assert_command_stdout_eq_expr!(a_command, b_expr)`
// https://docs.rs/assertables/8.14.0/assertables/macro.assert_command_stdout_eq_expr.html
//  a label: `command`,
//  a debug: `\"bin/printf-stdout\" \"%s\" \"alfa\"`,
//  b label: `&bytes`,
//  b debug: `[122]`,
//        a: `[97, 108, 102, 97]`,
//        b: `[122]`

§Module macros