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use ssh2::Channel;
use std::io::prelude::*;
use std::net::{TcpListener, TcpStream};
use std::thread;
/// Consume all available stdout and stderr data.
/// It is important to read both if you are using
/// channel.eof() to make assertions that the stream
/// is complete
fn consume_stdio(channel: &mut Channel) -> (String, String) {
let mut stdout = String::new();
channel.read_to_string(&mut stdout).unwrap();
let mut stderr = String::new();
channel.stderr().read_to_string(&mut stderr).unwrap();
(stdout, stderr)
}
#[test]
fn smoke() {
let sess = ::authed_session();
let mut channel = sess.channel_session().unwrap();
channel.flush().unwrap();
channel.exec("true").unwrap();
consume_stdio(&mut channel);
channel.wait_eof().unwrap();
assert!(channel.eof());
channel.close().unwrap();
channel.wait_close().unwrap();
assert_eq!(channel.exit_status().unwrap(), 0);
assert!(channel.eof());
}
#[test]
fn bad_smoke() {
let sess = ::authed_session();
let mut channel = sess.channel_session().unwrap();
channel.flush().unwrap();
channel.exec("false").unwrap();
consume_stdio(&mut channel);
channel.wait_eof().unwrap();
assert!(channel.eof());
channel.close().unwrap();
channel.wait_close().unwrap();
assert_eq!(channel.exit_status().unwrap(), 1);
assert!(channel.eof());
}
#[test]
fn reading_data() {
let sess = ::authed_session();
let mut channel = sess.channel_session().unwrap();
channel.exec("echo foo").unwrap();
let (output, _) = consume_stdio(&mut channel);
assert_eq!(output, "foo\n");
}
#[test]
fn writing_data() {
let sess = ::authed_session();
let mut channel = sess.channel_session().unwrap();
channel.exec("read foo && echo $foo").unwrap();
channel.write_all(b"foo\n").unwrap();
let (output, _) = consume_stdio(&mut channel);
assert_eq!(output, "foo\n");
}
#[test]
fn eof() {
let sess = ::authed_session();
let mut channel = sess.channel_session().unwrap();
channel.adjust_receive_window(10, false).unwrap();
channel.exec("read foo").unwrap();
channel.send_eof().unwrap();
let mut output = String::new();
channel.read_to_string(&mut output).unwrap();
assert_eq!(output, "");
}
#[test]
fn shell() {
let sess = ::authed_session();
let mut channel = sess.channel_session().unwrap();
channel.request_pty("xterm", None, None).unwrap();
channel.shell().unwrap();
channel.close().unwrap();
}
#[test]
fn setenv() {
let sess = ::authed_session();
let mut channel = sess.channel_session().unwrap();
let _ = channel.setenv("FOO", "BAR");
channel.close().unwrap();
}
#[test]
fn direct() {
let a = TcpListener::bind("127.0.0.1:0").unwrap();
let addr = a.local_addr().unwrap();
let t = thread::spawn(move || {
let mut s = a.accept().unwrap().0;
let mut b = [0, 0, 0];
s.read(&mut b).unwrap();
assert_eq!(b, [1, 2, 3]);
s.write_all(&[4, 5, 6]).unwrap();
});
let sess = ::authed_session();
let mut channel = sess
.channel_direct_tcpip("127.0.0.1", addr.port(), None)
.unwrap();
channel.write_all(&[1, 2, 3]).unwrap();
let mut r = [0, 0, 0];
channel.read(&mut r).unwrap();
assert_eq!(r, [4, 5, 6]);
t.join().ok().unwrap();
}
#[test]
fn forward() {
let sess = ::authed_session();
let (mut listen, port) = sess.channel_forward_listen(39249, None, None).unwrap();
let t = thread::spawn(move || {
let mut s = TcpStream::connect(&("127.0.0.1", port)).unwrap();
let mut b = [0, 0, 0];
s.read(&mut b).unwrap();
assert_eq!(b, [1, 2, 3]);
s.write_all(&[4, 5, 6]).unwrap();
});
let mut channel = listen.accept().unwrap();
channel.write_all(&[1, 2, 3]).unwrap();
let mut r = [0, 0, 0];
channel.read(&mut r).unwrap();
assert_eq!(r, [4, 5, 6]);
t.join().ok().unwrap();
}
#[test]
fn drop_nonblocking() {
let listener = TcpListener::bind("127.0.0.1:0").unwrap();
let addr = listener.local_addr().unwrap();
let sess = ::authed_session();
sess.set_blocking(false);
thread::spawn(move || {
let _s = listener.accept().unwrap();
});
let _ = sess.channel_direct_tcpip("127.0.0.1", addr.port(), None);
drop(sess);
}
#[test]
fn nonblocking_before_exit_code() {
let sess = ::authed_session();
let mut channel = sess.channel_session().unwrap();
channel.send_eof().unwrap();
let mut output = String::new();
channel.exec("sleep 1; echo foo").unwrap();
sess.set_blocking(false);
assert!(channel.read_to_string(&mut output).is_err());
{
use std::thread;
use std::time::Duration;
thread::sleep(Duration::from_millis(1500));
}
sess.set_blocking(true);
assert!(channel.read_to_string(&mut output).is_ok());
channel.wait_eof().unwrap();
channel.close().unwrap();
channel.wait_close().unwrap();
assert_eq!(output, "foo\n");
assert!(channel.exit_status().unwrap() == 0);
}
#[test]
fn exit_code_ignores_other_errors() {
let sess = ::authed_session();
let mut channel = sess.channel_session().unwrap();
channel.exec("true").unwrap();
channel.wait_eof().unwrap();
channel.close().unwrap();
channel.wait_close().unwrap();
let longdescription: String = ::std::iter::repeat('a').take(300).collect();
assert!(sess.disconnect(None, &longdescription, None).is_err()); // max len == 256
assert!(channel.exit_status().unwrap() == 0);
}
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