conserve 23.1.1

A robust backup 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
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

// Conserve backup system.
// Copyright 2016, 2017, 2018, 2019, 2020 Martin Pool.

// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

//! Test `conserve delete`.

use assert_cmd::prelude::*;
use assert_fs::prelude::*;
use assert_fs::TempDir;
use predicates::prelude::*;

use conserve::test_fixtures::ScratchArchive;
use conserve::BandId;

use crate::run_conserve;

#[test]
fn delete_both_bands() {
    let af = ScratchArchive::new();
    af.store_two_versions();

    run_conserve()
        .args(["delete"])
        .args(["-b", "b0000"])
        .args(["-b", "b0001"])
        .arg(af.path())
        .assert()
        .success();

    assert_eq!(af.list_band_ids().unwrap().len(), 0);
    assert_eq!(af.block_dir().block_names().unwrap().count(), 0);
}

#[test]
fn delete_first_version() {
    let af = ScratchArchive::new();
    af.store_two_versions();

    run_conserve()
        .args(["delete"])
        .args(["-b", "b0"])
        .arg(af.path())
        .assert()
        .success();

    assert_eq!(af.list_band_ids().unwrap(), &[BandId::new(&[1])]);
    // b0 contains two small files packed into the same block, which is not deleted.
    // b1 (not deleted) adds one additional block, which is still referenced.
    assert_eq!(af.block_dir().block_names().unwrap().count(), 2);

    let rd = TempDir::new().unwrap();
    run_conserve()
        .arg("restore")
        .arg(af.path())
        .arg(rd.path())
        .assert()
        .success();
    rd.child("hello").assert(predicate::path::is_file());
    rd.child("hello").assert(predicate::eq("contents"));
    rd.child("subdir/subfile").assert(predicate::eq("contents"));

    // File added in b1 has been restored.
    rd.child("hello2").assert(predicate::eq("contents"));

    run_conserve()
        .arg("validate")
        .arg(af.path())
        .assert()
        .success();
}
#[test]
fn delete_second_version() {
    let af = ScratchArchive::new();
    af.store_two_versions();

    run_conserve()
        .args(["delete"])
        .args(["-b", "b1"])
        .arg(af.path())
        .assert()
        .success();

    assert_eq!(af.list_band_ids().unwrap(), &[BandId::new(&[0])]);
    // b0 contains two small files packed into the same block.
    assert_eq!(af.block_dir().block_names().unwrap().count(), 1);

    let rd = TempDir::new().unwrap();
    run_conserve()
        .arg("restore")
        .arg(af.path())
        .arg(rd.path())
        .assert()
        .success();
    rd.child("hello").assert(predicate::path::is_file());
    rd.child("hello").assert(predicate::eq("contents"));
    rd.child("subdir/subfile").assert(predicate::eq("contents"));

    // File added in b1 should not have been restored.
    rd.child("hello2").assert(predicate::path::exists().not());

    run_conserve()
        .arg("validate")
        .arg(af.path())
        .assert()
        .success();
}

#[test]
fn delete_nonexistent_band() {
    let af = ScratchArchive::new();

    let pred_fn = predicate::str::is_match(
        r"conserve error: Failed to delete band b0000
  caused by: (No such file or directory|The system cannot find the file specified\.) \(os error \d+\)
",
        )
        .unwrap();

    run_conserve()
        .args(["delete"])
        .args(["-b", "b0000"])
        .arg(af.path())
        .assert()
        .stdout(pred_fn)
        .failure();
}