#![cfg(feature = "ready-cache")]
#[path = "../support.rs"]
mod support;
use tokio_test::{assert_pending, assert_ready, task};
use tower::ready_cache::ReadyCache;
use tower_test::mock;
type Req = &'static str;
type Mock = mock::Mock<Req, Req>;
#[test]
fn poll_ready_inner_failure() {
let _t = support::trace_init();
let mut task = task::spawn(());
let mut cache = ReadyCache::<usize, Mock, Req>::default();
let (service0, mut handle0) = mock::pair::<Req, Req>();
handle0.send_error("doom");
cache.push(0, service0);
let (service1, mut handle1) = mock::pair::<Req, Req>();
handle1.allow(1);
cache.push(1, service1);
let failed = assert_ready!(task.enter(|cx, _| cache.poll_pending(cx))).unwrap_err();
assert_eq!(failed.0, 0);
assert_eq!(format!("{}", failed.1), "doom");
assert_eq!(cache.len(), 1);
}
#[test]
fn poll_ready_not_ready() {
let _t = support::trace_init();
let mut task = task::spawn(());
let mut cache = ReadyCache::<usize, Mock, Req>::default();
let (service0, mut handle0) = mock::pair::<Req, Req>();
handle0.allow(0);
cache.push(0, service0);
let (service1, mut handle1) = mock::pair::<Req, Req>();
handle1.allow(0);
cache.push(1, service1);
assert_pending!(task.enter(|cx, _| cache.poll_pending(cx)));
assert_eq!(cache.ready_len(), 0);
assert_eq!(cache.pending_len(), 2);
assert_eq!(cache.len(), 2);
}
#[test]
fn poll_ready_promotes_inner() {
let _t = support::trace_init();
let mut task = task::spawn(());
let mut cache = ReadyCache::<usize, Mock, Req>::default();
let (service0, mut handle0) = mock::pair::<Req, Req>();
handle0.allow(1);
cache.push(0, service0);
let (service1, mut handle1) = mock::pair::<Req, Req>();
handle1.allow(1);
cache.push(1, service1);
assert_eq!(cache.ready_len(), 0);
assert_eq!(cache.pending_len(), 2);
assert_eq!(cache.len(), 2);
assert_ready!(task.enter(|cx, _| cache.poll_pending(cx))).unwrap();
assert_eq!(cache.ready_len(), 2);
assert_eq!(cache.pending_len(), 0);
assert_eq!(cache.len(), 2);
}
#[test]
fn evict_ready_then_error() {
let _t = support::trace_init();
let mut task = task::spawn(());
let mut cache = ReadyCache::<usize, Mock, Req>::default();
let (service, mut handle) = mock::pair::<Req, Req>();
handle.allow(0);
cache.push(0, service);
assert_pending!(task.enter(|cx, _| cache.poll_pending(cx)));
handle.allow(1);
assert_ready!(task.enter(|cx, _| cache.poll_pending(cx))).unwrap();
handle.send_error("doom");
assert!(cache.evict(&0));
assert_ready!(task.enter(|cx, _| cache.poll_pending(cx))).unwrap();
}
#[test]
fn evict_pending_then_error() {
let _t = support::trace_init();
let mut task = task::spawn(());
let mut cache = ReadyCache::<usize, Mock, Req>::default();
let (service, mut handle) = mock::pair::<Req, Req>();
handle.allow(0);
cache.push(0, service);
assert_pending!(task.enter(|cx, _| cache.poll_pending(cx)));
handle.send_error("doom");
assert!(cache.evict(&0));
assert_ready!(task.enter(|cx, _| cache.poll_pending(cx))).unwrap();
}
#[test]
fn push_then_evict() {
let _t = support::trace_init();
let mut task = task::spawn(());
let mut cache = ReadyCache::<usize, Mock, Req>::default();
let (service, mut handle) = mock::pair::<Req, Req>();
handle.allow(0);
cache.push(0, service);
handle.send_error("doom");
assert!(cache.evict(&0));
assert_ready!(task.enter(|cx, _| cache.poll_pending(cx))).unwrap();
}
#[test]
fn error_after_promote() {
let _t = support::trace_init();
let mut task = task::spawn(());
let mut cache = ReadyCache::<usize, Mock, Req>::default();
let (service, mut handle) = mock::pair::<Req, Req>();
handle.allow(0);
cache.push(0, service);
assert_pending!(task.enter(|cx, _| cache.poll_pending(cx)));
handle.allow(1);
assert_ready!(task.enter(|cx, _| cache.poll_pending(cx))).unwrap();
handle.send_error("doom");
assert_ready!(task.enter(|cx, _| cache.poll_pending(cx))).unwrap();
}
#[test]
fn duplicate_key_by_index() {
let _t = support::trace_init();
let mut task = task::spawn(());
let mut cache = ReadyCache::<usize, Mock, Req>::default();
let (service0, mut handle0) = mock::pair::<Req, Req>();
handle0.allow(1);
cache.push(0, service0);
let (service1, mut handle1) = mock::pair::<Req, Req>();
handle1.allow(1);
cache.push(0, service1);
cache.evict(&0);
assert_ready!(task.enter(|cx, _| cache.poll_pending(cx))).unwrap();
assert!(!task.enter(|cx, _| cache.check_ready(cx, &0)).unwrap());
let (service2, mut handle2) = mock::pair::<Req, Req>();
handle2.allow(1);
cache.push(0, service2);
assert_ready!(task.enter(|cx, _| cache.poll_pending(cx))).unwrap();
assert!(task.enter(|cx, _| cache.check_ready(cx, &0)).unwrap());
}