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#![doc = include_str!("../README.md")]
use async_std::task::sleep;
use std::future::Future;
use std::time::Duration;
mod instant;
pub use instant::Instant;
mod timeout_error;
pub use timeout_error::TimeoutError;
#[cfg(feature = "mock")]
pub use async_time_mock_core as core;
#[cfg(feature = "interval")]
mod interval;
#[cfg(feature = "interval")]
pub use interval::Interval;
#[derive(Clone)]
pub enum MockableClock {
Real,
#[cfg(feature = "mock")]
Mock(std::sync::Arc<async_time_mock_core::TimerRegistry>),
}
pub enum TimeHandlerGuard {
Real,
#[cfg(feature = "mock")]
Mock(async_time_mock_core::TimeHandlerGuard),
}
#[cfg(feature = "mock")]
impl From<async_time_mock_core::TimeHandlerGuard> for TimeHandlerGuard {
fn from(guard: async_time_mock_core::TimeHandlerGuard) -> Self {
Self::Mock(guard)
}
}
impl MockableClock {
#[cfg(feature = "mock")]
pub fn mock() -> (Self, std::sync::Arc<async_time_mock_core::TimerRegistry>) {
let timer_registry = std::sync::Arc::new(async_time_mock_core::TimerRegistry::default());
(Self::Mock(timer_registry.clone()), timer_registry)
}
pub fn now(&self) -> Instant {
use MockableClock::*;
match self {
Real => std::time::Instant::now().into(),
#[cfg(feature = "mock")]
Mock(registry) => registry.now().into(),
}
}
pub async fn sleep(&self, duration: Duration) -> TimeHandlerGuard {
use MockableClock::*;
match self {
Real => {
sleep(duration).await;
TimeHandlerGuard::Real
}
#[cfg(feature = "mock")]
Mock(registry) => registry.sleep(duration).await.into(),
}
}
#[cfg(feature = "interval")]
pub fn interval(&self, period: Duration) -> Interval {
use MockableClock::*;
match self {
Real => async_std::stream::interval(period).into(),
#[cfg(feature = "mock")]
Mock(registry) => registry.interval(period).into(),
}
}
pub async fn timeout<F, T>(&self, duration: Duration, future: F) -> Result<T, TimeoutError>
where
F: Future<Output = T>,
{
use MockableClock::*;
match self {
Real => async_std::future::timeout(duration, future).await.map_err(Into::into),
#[cfg(feature = "mock")]
Mock(registry) => registry.timeout(duration, future).await.map_err(Into::into),
}
}
}