witnet-rust/partial_struct/tests/partial_struct_derive.rs at 8e740e33e6bba1f935702b0a4f7bcac62208b945 · witnet/witnet-rust · GitHub

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
use partial_struct::PartialStruct;

#[test]
#[allow(clippy::redundant_clone)]
fn test_partial_derive() {
    #[derive(PartialStruct, Debug, Clone, PartialEq)]
    #[partial_struct(derive(Debug, Clone, PartialEq))]
    struct Obj;

    let p = PartialObj;
    let p_clone = p.clone();

    assert_eq!(p, p_clone);
}

#[test]
fn test_partial_derive_unnamed() {
    #[derive(PartialStruct)]
    #[partial_struct(derive(Default))]
    #[allow(dead_code)]
    struct Obj(u32);

    let p = PartialObj::default();

    assert_eq!(p.0, None);
}

#[test]
fn test_partial_derive_named() {
    #[derive(PartialStruct)]
    #[partial_struct(derive(Default))]
    #[allow(dead_code)]
    struct Obj {
        attr: u32,
    }

    let p = PartialObj::default();

    assert_eq!(p.attr, None);
}

#[test]
fn test_partial_derive_unit() {
    #[derive(PartialStruct)]
    #[allow(dead_code)]
    struct Obj();

    let _ = PartialObj();
}

#[test]
fn test_partial_attr_skip() {
    #[derive(PartialStruct)]
    #[partial_struct(derive(Default))]
    #[allow(dead_code)]
    struct Obj {
        a: u32,
        #[partial_struct(skip)]
        b: bool,
    }

    let p = PartialObj::default();

    assert_eq!(p.a, None);
    assert!(!p.b);
}

#[test]
fn test_partial_attr_partial() {
    #[derive(PartialStruct)]
    #[partial_struct(derive(Default))]
    #[allow(dead_code)]
    struct Obj {
        #[partial_struct(ty = "PartialAnotherObj")]
        f: AnotherObj,
    }

    #[derive(PartialStruct, Clone, Debug, PartialEq)]
    #[partial_struct(derive(Default, Clone, Debug, PartialEq))]
    struct AnotherObj;

    let p = PartialObj::default();

    assert_eq!(p.f, PartialAnotherObj);
}