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#![allow(clippy::eq_op)]
mod common;
use self::common::*;
use eyre::{ensure, eyre, Result};
use std::cell::Cell;
use std::future::Future;
use std::pin::Pin;
use std::task::Poll;
#[test]
fn test_messages() {
maybe_install_handler().unwrap();
assert_eq!("oh no!", bail_literal().unwrap_err().to_string());
assert_eq!("oh no!", bail_fmt().unwrap_err().to_string());
assert_eq!("oh no!", bail_error().unwrap_err().to_string());
}
#[test]
fn test_ensure() {
maybe_install_handler().unwrap();
let f = || -> Result<()> {
ensure!(1 + 1 == 2, "This is correct");
Ok(())
};
assert!(f().is_ok());
let v = 1;
let f = || -> Result<()> {
ensure!(v + v == 2, "This is correct, v: {}", v);
Ok(())
};
assert!(f().is_ok());
let f = || -> Result<()> {
ensure!(v + v == 1, "This is not correct, v: {}", v);
Ok(())
};
assert!(f().is_err());
}
#[test]
fn test_temporaries() {
struct Ready<T>(Option<T>);
impl<T> Unpin for Ready<T> {}
impl<T> Future for Ready<T> {
type Output = T;
fn poll(mut self: Pin<&mut Self>, _cx: &mut std::task::Context<'_>) -> Poll<T> {
Poll::Ready(self.0.take().unwrap())
}
}
fn require_send_sync(_: impl Send + Sync) {}
require_send_sync(async {
// If eyre hasn't dropped any temporary format_args it creates by the
// time it's done evaluating, those will stick around until the
// semicolon, which is on the other side of the await point, making the
// enclosing future non-Send.
Ready(Some(eyre!("..."))).await;
});
fn message(cell: Cell<&str>) -> &str {
cell.get()
}
require_send_sync(async {
Ready(Some(eyre!(message(Cell::new("..."))))).await;
});
}
#[test]
#[cfg(not(eyre_no_fmt_args_capture))]
fn test_capture_format_args() {
maybe_install_handler().unwrap();
let var = 42;
let err = eyre!("interpolate {var}");
assert_eq!("interpolate 42", err.to_string());
}
#[test]
fn test_brace_escape() {
maybe_install_handler().unwrap();
let err = eyre!("unterminated ${{..}} expression");
assert_eq!("unterminated ${..} expression", err.to_string());
}
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