outdir-tempdir 0.2.0

A crate for cargo-test to create temporary directories in the OUT_DIR.
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

use std::fmt;
use std::io;
use std::path::PathBuf;

/// Enum listing possible errors from outdir-tempdir.
#[derive(Debug)]
pub enum Error {
    Io(io::Error),
    ParentDirContains(PathBuf),
    RootDirContains(PathBuf),
    OutDirNotFound,
    InvalidPath(PathBuf),
}

/// A specialized [`Result`] type for outdir-tempdir.
pub type Result<T> = std::result::Result<T, Error>;

impl From<io::Error> for Error {
    fn from(error: io::Error) -> Self {
        Error::Io(error)
    }
}

impl fmt::Display for Error {
    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
        use self::Error::*;

        match self {
            Io(e) => e.fmt(formatter),
            ParentDirContains(p) => {
                write!(formatter, "\"{}\" contains parent directory", p.display())
            }
            RootDirContains(p) => write!(formatter, "\"{}\" contains root directory", p.display()),
            OutDirNotFound => write!(formatter, "OUT_DIR not found"),
            InvalidPath(p) => write!(formatter, "Invalid path {}", p.display()),
        }
    }
}