assert_cmd 0.4.0

Test CLI Applications.
Documentation 
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extern crate assert_cmd;
extern crate predicates;

use std::process;

use assert_cmd::prelude::*;

#[test]
fn main_binary() {
    let mut cmd = process::Command::main_binary().unwrap();
    cmd.env("stdout", "42");
    cmd.assert().success().stdout("42\n");
}

#[test]
fn main_binary_with_empty_env() {
    let mut cmd = process::Command::main_binary().unwrap();
    cmd.env_clear().env("stdout", "42");
    cmd.assert().success().stdout("42\n");
}

#[test]
fn cargo_binary() {
    let mut cmd = process::Command::cargo_bin("bin_fixture").unwrap();
    cmd.env("stdout", "42");
    cmd.assert().success().stdout("42\n");
}

#[test]
fn cargo_binary_with_empty_env() {
    let mut cmd = process::Command::cargo_bin("bin_fixture").unwrap();
    cmd.env_clear().env("stdout", "42");
    cmd.assert().success().stdout("42\n");
}

#[test]
fn cargo_example() {
    let mut cmd = process::Command::cargo_example("example_fixture").unwrap();
    cmd.env("stdout", "42");
    cmd.assert().success().stdout("42\n");
}

#[test]
fn cargo_example_with_empty_env() {
    let mut cmd = process::Command::cargo_example("example_fixture").unwrap();
    cmd.env_clear().env("stdout", "42");
    cmd.assert().success().stdout("42\n");
}