rrun_ssh/
remote_location.rs

1use std::ffi::OsString;
2use std::fmt;
3use std::path::{Path, PathBuf};
4
5/// Represents a location on a remote host.
6#[derive(Clone, Debug, Eq, PartialEq)]
7pub struct RemoteLocation {
8    /// Host of the remote server
9    pub host: OsString,
10
11    /// Path of the remote directory
12    pub path: PathBuf,
13}
14impl RemoteLocation {
15    /// Converts a string for a host:location into a `RemoteLocation`.
16    pub fn new(s: &str) -> Result<RemoteLocation, ()> {
17        let mut split = s.split(':');
18
19        let host = match split.next() {
20            None | Some("") => return Err(()),
21            Some(h) => h,
22        };
23
24        let path = Path::new(try!(split.next().ok_or(()))).to_path_buf();
25
26        if split.next().is_some() {
27            return Err(());
28        }
29
30        Ok(RemoteLocation {
31            host: host.into(),
32            path: path,
33        })
34    }
35}
36impl fmt::Display for RemoteLocation {
37    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
38        write!(f,
39               "{}:{}",
40               self.host.as_os_str().to_str().unwrap(),
41               self.path.display())
42    }
43}
44
45#[cfg(test)]
46mod tests {
47    use std::ffi::OsString;
48    use std::path::PathBuf;
49    use super::RemoteLocation;
50
51    #[test]
52    fn empty_string() {
53        assert!(RemoteLocation::new("").is_err());
54    }
55
56    #[test]
57    fn home() {
58        assert!(RemoteLocation::new("/home/user").is_err());
59    }
60
61    #[test]
62    fn root() {
63        assert!(RemoteLocation::new("/").is_err());
64    }
65
66    #[test]
67    fn path_without_host() {
68        assert!(RemoteLocation::new(":/").is_err());
69    }
70
71    #[test]
72    fn host_without_path() {
73        let RemoteLocation { host, path } = RemoteLocation::new("server:").unwrap();
74        assert_eq!(host, OsString::from("server"));
75        assert_eq!(path, PathBuf::from(""));
76    }
77
78    #[test]
79    fn host_with_path() {
80        let RemoteLocation { host, path } = RemoteLocation::new("server:/home/user").unwrap();
81        assert_eq!(host, OsString::from("server"));
82        assert_eq!(path, PathBuf::from("/home/user/"));
83    }
84}
rrun_ssh/remote_location.rs

rrun_ssh/
remote_location.rs
