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#![allow(unused)]
extern crate bytes;
extern crate futures;
extern crate tokio_buf;
use bytes::Buf;
use futures::Async::*;
use futures::Poll;
use tokio_buf::{BufStream, SizeHint};
use std::collections::VecDeque;
use std::io::Cursor;
macro_rules! assert_buf_eq {
($actual:expr, $expect:expr) => {{
use bytes::Buf;
match $actual {
Ok(Ready(Some(val))) => {
assert_eq!(val.remaining(), val.bytes().len());
assert_eq!(val.bytes(), $expect.as_bytes());
}
Ok(Ready(None)) => panic!("expected value; BufStream yielded None"),
Ok(NotReady) => panic!("expected value; BufStream is not ready"),
Err(e) => panic!("expected value; got error = {:?}", e),
}
}};
}
macro_rules! assert_none {
($actual:expr) => {
match $actual {
Ok(Ready(None)) => {}
actual => panic!("expected None; actual = {:?}", actual),
}
};
}
macro_rules! assert_not_ready {
($actual:expr) => {
match $actual {
Ok(NotReady) => {}
actual => panic!("expected NotReady; actual = {:?}", actual),
}
};
}
// ===== Test utils =====
pub fn one(buf: &'static str) -> Mock {
list(&[buf])
}
pub fn list(bufs: &[&'static str]) -> Mock {
let mut polls = VecDeque::new();
for &buf in bufs {
polls.push_back(Ok(Ready(buf.as_bytes())));
}
Mock {
polls,
size_hint: SizeHint::default(),
}
}
pub fn new_mock(values: &[Poll<&'static str, ()>]) -> Mock {
let mut polls = VecDeque::new();
for &v in values {
polls.push_back(match v {
Ok(Ready(v)) => Ok(Ready(v.as_bytes())),
Ok(NotReady) => Ok(NotReady),
Err(e) => Err(e),
});
}
Mock {
polls,
size_hint: SizeHint::default(),
}
}
#[derive(Debug)]
pub struct Mock {
pub polls: VecDeque<Poll<&'static [u8], ()>>,
pub size_hint: SizeHint,
}
#[derive(Debug)]
pub struct MockBuf {
pub data: Cursor<&'static [u8]>,
}
impl BufStream for Mock {
type Item = MockBuf;
type Error = ();
fn poll_buf(&mut self) -> Poll<Option<Self::Item>, Self::Error> {
match self.polls.pop_front() {
Some(Ok(Ready(value))) => Ok(Ready(Some(MockBuf::new(value)))),
Some(Ok(NotReady)) => Ok(NotReady),
Some(Err(e)) => Err(e),
None => Ok(Ready(None)),
}
}
fn size_hint(&self) -> SizeHint {
self.size_hint.clone()
}
}
impl MockBuf {
fn new(data: &'static [u8]) -> MockBuf {
MockBuf {
data: Cursor::new(data),
}
}
}
impl Buf for MockBuf {
fn remaining(&self) -> usize {
self.data.remaining()
}
fn bytes(&self) -> &[u8] {
self.data.bytes()
}
fn advance(&mut self, cnt: usize) {
self.data.advance(cnt)
}
}
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