nu-lint 1.3.0

Linter for Nu shell scripts that helpfully suggests improvements
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

use super::RULE;

#[test]
fn test_fix_equal_null_string_default() {
    let bad_code = r#"
def test [x] {
    if $x == null { "default" } else { $x }
}
"#;
    let expected = r#"
def test [x] {
    $x | default "default"
}
"#;
    RULE.assert_fixed_is(bad_code, expected);
}

#[test]
fn test_fix_not_equal_null() {
    let bad_code = r#"
def test [x] {
    if $x != null { $x } else { "fallback" }
}
"#;
    let expected = r#"
def test [x] {
    $x | default "fallback"
}
"#;
    RULE.assert_fixed_is(bad_code, expected);
}

#[test]
fn test_fix_null_on_left() {
    let bad_code = r#"
def test [value] {
    if null == $value { 0 } else { $value }
}
"#;
    let expected = r#"
def test [value] {
    $value | default 0
}
"#;
    RULE.assert_fixed_is(bad_code, expected);
}

#[test]
fn test_fix_numeric_default() {
    let bad_code = r#"
def test [count] {
    if $count == null { 0 } else { $count }
}
"#;
    let expected = r#"
def test [count] {
    $count | default 0
}
"#;
    RULE.assert_fixed_is(bad_code, expected);
}

#[test]
fn test_fix_list_default() {
    let bad_code = r#"
def test [items] {
    if $items == null { [] } else { $items }
}
"#;
    let expected = r#"
def test [items] {
    $items | default []
}
"#;
    RULE.assert_fixed_is(bad_code, expected);
}

#[test]
fn test_fix_record_default() {
    let bad_code = r#"
def test [config] {
    if $config == null { {} } else { $config }
}
"#;
    let expected = r#"
def test [config] {
    $config | default {}
}
"#;
    RULE.assert_fixed_is(bad_code, expected);
}