dir-iterator 0.1.4

Iterator that recursively scans and filters files from a directory
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
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117

#[test]
fn read_cur() {
    use super::*;

    let files = DirIterator::build_current()
        .map(|e| e.file_name().to_string_lossy().to_string())
        .collect::<Vec<_>>();

    assert!(files.contains(&"test.rs".to_string()));
    assert!(files.contains(&"lib.rs".to_string()));
    assert!(files.contains(&"Cargo.toml".to_string()));
    assert!(files.contains(&"README.md".to_string()));
}

#[test]
fn read_dir() {
    use super::*;

    let mut dir = DirIterator::build_from_path("src")
        .expect("path not found")
        .map(|e| e.file_name().as_os_str().to_string_lossy().to_string())
        .collect::<Vec<_>>();
    dir.sort();
    assert_eq!(dir, ["filter.rs", "lib.rs", "test.rs"],);
}

#[cfg(feature = "wildcard")]
#[test]
fn filter_dir() {
    use super::*;

    let mut dir = DirIterator::build_from_path("src")
        .expect("path not found")
        .filter(filter::include("test.*"))
        .map(|e| e.file_name().to_string_lossy().to_string())
        .collect::<Vec<_>>();
    dir.sort();
    assert_eq!(dir, ["test.rs"],);
}

#[test]
fn read_paths() {
    use super::*;

    let files = DirIterator::build_current()
        .map(|e| e.path())
        .collect::<Vec<_>>();

    let cur = env::current_dir().unwrap();
    assert!(files.contains(&cur.join("src/test.rs")));
    assert!(files.contains(&cur.join("src/lib.rs")));
    assert!(files.contains(&cur.join("Cargo.toml")));
    assert!(files.contains(&cur.join("README.md")));
}

#[cfg(feature = "wildcard")]
#[test]
fn filter_dirs() {
    use super::*;

    let dir = DirIterator::current()
        .ignore("target")
        .build()
        .filter(filter::dirs)
        .map(|e| e.file_name().to_string_lossy().to_string())
        .collect::<Vec<_>>();

    assert!(dir.contains(&".github".to_string()));
    assert!(!dir.contains(&"target".to_string()));
    assert!(!dir.contains(&"*.o".to_string()));
}

mod readme {
    use filter::exclude;

    use super::super::*;

    #[test]
    fn read_a_directory_recursively() {
        // read directory `src`
        DirIterator::build_from_path("src")
            // maybe maybe
            .expect("path not found")
            // print it out
            .for_each(|e| println!("{:?}", e.file_name()));
    }

    #[test]
    fn read_current_directory_recursively() {
        // build a new iterator starting in the current directory
        DirIterator::build_current()
            // print each file name
            .for_each(|e| println!("{:?}", e.file_name()));
    }

    #[test]
    fn filter_result_with_wildcards() {
        DirIterator::build_current()
            // filter all files which have extension `txt`
            .filter(exclude("*.txt"))
            .for_each(|e| println!("{:?}", e.file_name()));
    }

    #[test]
    fn ignore_folders_when_scanning() {
        DirIterator::current()
            // ignore target directory
            .ignore("target")
            // ignore all hidden directories
            .ignore(".*")
            // build iterator
            .build()
            // exclude all hidden files
            .filter(exclude(".*"))
            .for_each(|e| println!("{:?}", e.path()));
    }
}