assert_fs 1.1.3

Filesystem fixtures and assertions for testing.
Documentation 
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#![allow(clippy::unwrap_used)]

use assert_fs::prelude::*;

fn main() {
    let temp = assert_fs::TempDir::new().unwrap();
    let input_file = temp.child("foo.txt");

    input_file.write_str("Hello\nWorld!").unwrap();

    input_file.assert("Goodbye\nWorld!");

    temp.close().unwrap();
}