insta 1.17.0

A snapshot testing library for Rust
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

use insta::{assert_yaml_snapshot, with_settings, Settings};
use std::collections::HashMap;

#[test]
fn test_simple() {
    let mut map = HashMap::new();
    map.insert("a", "first value");
    map.insert("b", "second value");
    map.insert("c", "third value");
    map.insert("d", "fourth value");

    let mut settings = Settings::new();
    settings.set_sort_maps(true);
    settings.bind(|| {
        assert_yaml_snapshot!(&map, @r###"
        ---
        a: first value
        b: second value
        c: third value
        d: fourth value
        "###);
    });
}

#[test]
#[allow(deprecated)]
fn test_bound_to_thread() {
    let mut map = HashMap::new();
    map.insert("a", "first value");
    map.insert("b", "second value");
    map.insert("c", "third value");
    map.insert("d", "fourth value");

    let mut settings = Settings::new();
    settings.set_sort_maps(true);
    settings.bind_to_thread();
    assert_yaml_snapshot!(&map, @r###"
    ---
    a: first value
    b: second value
    c: third value
    d: fourth value
    "###);

    // put defaults back
    let settings = Settings::new();
    settings.bind_to_thread();
}

#[test]
fn test_bound_to_scope() {
    let mut map = HashMap::new();
    map.insert("a", "first value");
    map.insert("b", "second value");
    map.insert("c", "third value");
    map.insert("d", "fourth value");

    {
        let mut settings = Settings::new();
        settings.set_sort_maps(true);
        let _guard = settings.bind_to_scope();
        assert_yaml_snapshot!(&map, @r###"
        ---
        a: first value
        b: second value
        c: third value
        d: fourth value
        "###);
    }

    assert!(!Settings::clone_current().sort_maps());
}

#[test]
fn test_settings_macro() {
    let mut map = HashMap::new();
    map.insert("a", "first value");
    map.insert("b", "second value");
    map.insert("c", "third value");
    map.insert("d", "fourth value");

    with_settings!({sort_maps => true}, {
        insta::assert_yaml_snapshot!(&map, @r###"
        ---
        a: first value
        b: second value
        c: third value
        d: fourth value
        "###);
    });
}

#[test]
fn test_snapshot_path() {
    with_settings!({snapshot_path => "snapshots2"}, {
        assert_yaml_snapshot!(vec![1, 2, 3]);
    });
}

#[test]
fn test_snapshot_no_module_prepending() {
    with_settings!({prepend_module_to_snapshot => false}, {
        assert_yaml_snapshot!(vec![1, 2, 3]);
    });
}

#[test]
fn test_snapshot_with_description() {
    with_settings!({description => "The snapshot are three integers"}, {
        assert_yaml_snapshot!(vec![1, 2, 3])
    });
}

#[test]
fn test_snapshot_with_description_and_info() {
    #[derive(serde::Serialize)]
    pub struct Info {
        env: std::collections::HashMap<&'static str, &'static str>,
        cmdline: Vec<&'static str>,
    }
    let info = Info {
        env: From::from([("ENVIRONMENT", "production")]),
        cmdline: vec!["my-tool", "run"],
    };
    with_settings!({description => "The snapshot are four integers", info => &info}, {
        assert_yaml_snapshot!(vec![1, 2, 3, 4])
    });
}

#[test]
fn test_with_settings_inherit() {
    with_settings!({sort_maps => true}, {
        with_settings!({description => "aha"}, {
            let settings = Settings::clone_current();
            assert!(settings.sort_maps());
            assert_eq!(settings.description(), Some("aha"));
        });
    });
}