rdd 0.1.2

simple library to interact with `dd` tool
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50

use rdd::Dd;
use std::fs;
use std::path::Path;

/// Test case to verify the functionality of the `Dd::spawn()` method with file input and output.
#[test]
fn dd_spawn_with_files() {
    let input_file = "tests/input.txt";
    let output_file = "tests/output.txt";

    // Check if the input file exists, if not, create it with sample content
    if !Path::new(input_file).exists() {
        fs::write(input_file, b"Hello, dd testing!\n").expect("Failed to create input.txt");
    }

    // If the output file already exists, remove it to ensure a clean test run
    if Path::new(output_file).exists() {
        fs::remove_file(output_file).expect("Failed to remove output.txt");
    }

    // Create a new Dd instance and configure it with the input, output, and other options
    let result = Dd::new("dd")
        .input(input_file)
        .output(output_file)
        .bs("1M")
        .count(1)
        .status("none")
        .spawn();

    if result.is_err() {
        eprintln!("{}", result.as_ref().unwrap_err());
    }

    assert!(result.is_ok(), "dd command failed");

    // Verify that the output file exists after the command is executed
    assert!(
        Path::new(output_file).exists(),
        "Output file does not exist"
    );

    // Read the content of the output file
    let output_content = fs::read_to_string(output_file).expect("Failed to read output.txt");

    // Check if the output content contains the expected input text
    assert!(
        output_content.contains("Hello, dd testing!"),
        "Output does not contain the expected text"
    );
}