liteboxfs 0.1.0

A modern POSIX filesystem in a SQLite database
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
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167

#![cfg(all(feature = "fs", target_os = "linux"))]

use std::time::{Duration, SystemTime};

use xpct::{approx_eq_time, be_ok, be_some, equal, expect};

use crate::{
    Connection,
    file_metadata::{FileKind, Owner},
    settings::Settings,
};

fn open() -> crate::Result<Connection> {
    Connection::open_for_testing(&Settings::default())
}

#[test]
fn touch_at_sets_atime_mtime_and_ctime_to_given_time() -> crate::Result<()> {
    let mut conn = open()?;

    let time = SystemTime::UNIX_EPOCH + Duration::from_secs(1_700_000_000);

    conn.exec(|fs| {
        let mut file = fs.create("/a.txt", FileKind::Regular, Owner::ROOT)?;
        expect!(file.touch_at(time)).to(be_ok());

        let metadata = file.metadata()?;
        expect!(metadata.accessed()).to(equal(time));
        expect!(metadata.modified()).to(equal(time));
        expect!(metadata.changed()).to(equal(time));

        crate::Result::Ok(())
    })?;

    Ok(())
}

#[test]
fn touch_at_does_not_change_btime() -> crate::Result<()> {
    let mut conn = open()?;

    let touch_time = SystemTime::UNIX_EPOCH + Duration::from_secs(1_700_000_000);

    conn.exec(|fs| {
        let mut file = fs.create("/a.txt", FileKind::Regular, Owner::ROOT)?;
        let original_btime = file.metadata()?.created();

        expect!(file.touch_at(touch_time)).to(be_ok());

        expect!(file.metadata()?.created()).to(equal(original_btime));

        crate::Result::Ok(())
    })?;

    Ok(())
}

#[test]
fn touch_at_overwrites_existing_timestamps() -> crate::Result<()> {
    let mut conn = open()?;

    let earlier = SystemTime::UNIX_EPOCH + Duration::from_secs(1_000_000_000);
    let later = SystemTime::UNIX_EPOCH + Duration::from_secs(1_700_000_000);

    conn.exec(|fs| {
        let mut file = fs.create("/a.txt", FileKind::Regular, Owner::ROOT)?;
        file.touch_at(later)?;
        expect!(file.touch_at(earlier)).to(be_ok());

        let metadata = file.metadata()?;
        expect!(metadata.accessed()).to(equal(earlier));
        expect!(metadata.modified()).to(equal(earlier));
        expect!(metadata.changed()).to(equal(earlier));

        crate::Result::Ok(())
    })?;

    Ok(())
}

#[test]
fn touch_sets_atime_mtime_and_ctime_to_now() -> crate::Result<()> {
    let mut conn = open()?;

    conn.exec(|fs| {
        let mut file = fs.create("/a.txt", FileKind::Regular, Owner::ROOT)?;

        expect!(file.touch()).to(be_ok());
        let now = SystemTime::now();

        let metadata = file.metadata()?;
        expect!(metadata.accessed()).to(approx_eq_time(now, Duration::from_secs(1)));
        expect!(metadata.modified()).to(approx_eq_time(now, Duration::from_secs(1)));
        expect!(metadata.changed()).to(approx_eq_time(now, Duration::from_secs(1)));

        crate::Result::Ok(())
    })?;

    Ok(())
}

#[test]
fn touch_does_not_change_btime() -> crate::Result<()> {
    let mut conn = open()?;

    conn.exec(|fs| {
        let mut file = fs.create("/a.txt", FileKind::Regular, Owner::ROOT)?;
        let original_btime = file.metadata()?.created();
        expect!(original_btime).to(be_some());

        expect!(file.touch()).to(be_ok());

        expect!(file.metadata()?.created()).to(equal(original_btime));

        crate::Result::Ok(())
    })?;

    Ok(())
}

#[test]
fn touch_at_works_on_directory() -> crate::Result<()> {
    let mut conn = open()?;

    let time = SystemTime::UNIX_EPOCH + Duration::from_secs(1_700_000_000);

    conn.exec(|fs| {
        let mut dir = fs.create("/dir", FileKind::Dir, Owner::ROOT)?;
        expect!(dir.touch_at(time)).to(be_ok());

        let metadata = dir.metadata()?;
        expect!(metadata.accessed()).to(equal(time));
        expect!(metadata.modified()).to(equal(time));
        expect!(metadata.changed()).to(equal(time));

        crate::Result::Ok(())
    })?;

    Ok(())
}

#[test]
fn touch_at_works_on_symlink() -> crate::Result<()> {
    let mut conn = open()?;

    let time = SystemTime::UNIX_EPOCH + Duration::from_secs(1_700_000_000);

    conn.exec(|fs| {
        let mut symlink = fs.create(
            "/link",
            FileKind::Symlink {
                target: "/target".into(),
            },
            Owner::ROOT,
        )?;
        expect!(symlink.touch_at(time)).to(be_ok());

        let metadata = symlink.metadata()?;
        expect!(metadata.accessed()).to(equal(time));
        expect!(metadata.modified()).to(equal(time));
        expect!(metadata.changed()).to(equal(time));

        crate::Result::Ok(())
    })?;

    Ok(())
}