[go: up one dir, main page]

rstest 0.8.0

Rust fixture based test framework. It use procedural macro to implement fixtures and table based tests.
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

/// Provide `RefIdent` and `MaybeIdent` traits that give a shortcut to extract identity reference
/// (`syn::Ident` struct).
use proc_macro2::Ident;
use syn::{FnArg, Pat, PatType, Type};

pub trait RefIdent {
    /// Return the reference to ident if any
    fn ident(&self) -> &Ident;
}

pub trait MaybeIdent {
    /// Return the reference to ident if any
    fn maybe_ident(&self) -> Option<&Ident>;
}

impl<I: RefIdent> MaybeIdent for I {
    fn maybe_ident(&self) -> Option<&Ident> {
        Some(self.ident())
    }
}

impl RefIdent for Ident {
    fn ident(&self) -> &Ident {
        self
    }
}

impl<'a> RefIdent for &'a Ident {
    fn ident(&self) -> &Ident {
        *self
    }
}

impl MaybeIdent for FnArg {
    fn maybe_ident(&self) -> Option<&Ident> {
        match self {
            FnArg::Typed(PatType { pat, .. }) => match pat.as_ref() {
                Pat::Ident(ident) => Some(&ident.ident),
                _ => None,
            },
            _ => None,
        }
    }
}

impl MaybeIdent for Type {
    fn maybe_ident(&self) -> Option<&Ident> {
        match self {
            Type::Path(tp) if tp.qself.is_none() => tp.path.get_ident(),
            _ => None,
        }
    }
}

pub trait MaybeType {
    /// Return the reference to type if any
    fn maybe_type(&self) -> Option<&Type>;
}

impl MaybeType for FnArg {
    fn maybe_type(&self) -> Option<&Type> {
        match self {
            FnArg::Typed(PatType { ty, .. }) => Some(ty.as_ref()),
            _ => None,
        }
    }
}