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use std::any::{type_name, Any};
use std::fmt::Debug;
use crate::any_factory::AnyFactory;
use crate::ptr::TransientPtr;
#[cfg(feature = "async")]
pub mod threadsafe;
pub struct CastableFactory<ReturnInterface, DIContainerT>
where
ReturnInterface: 'static + ?Sized,
DIContainerT: 'static,
{
func: &'static dyn Fn(&DIContainerT) -> TransientPtr<ReturnInterface>,
}
impl<ReturnInterface, DIContainerT> CastableFactory<ReturnInterface, DIContainerT>
where
ReturnInterface: 'static + ?Sized,
{
pub fn new(
func: &'static dyn Fn(&DIContainerT) -> TransientPtr<ReturnInterface>,
) -> Self
{
Self { func }
}
pub fn call(&self, di_container: &DIContainerT) -> TransientPtr<ReturnInterface>
{
(self.func)(di_container)
}
}
impl<ReturnInterface, DIContainerT> AnyFactory
for CastableFactory<ReturnInterface, DIContainerT>
where
ReturnInterface: 'static + ?Sized,
DIContainerT: 'static,
{
fn as_any(&self) -> &dyn Any
{
self
}
}
impl<ReturnInterface, DIContainerT> Debug
for CastableFactory<ReturnInterface, DIContainerT>
where
ReturnInterface: 'static + ?Sized,
{
#[cfg(not(tarpaulin_include))]
fn fmt(&self, formatter: &mut std::fmt::Formatter<'_>) -> std::fmt::Result
{
let ret = type_name::<TransientPtr<ReturnInterface>>();
formatter.write_fmt(format_args!(
"CastableFactory (&DIContainer) -> {ret} {{ ... }}"
))
}
}
#[cfg(test)]
mod tests
{
use super::*;
use crate::di_container::blocking::MockDIContainer;
#[derive(Debug, PartialEq, Eq)]
struct Bacon
{
heal_amount: u32,
}
#[test]
fn can_call()
{
let castable_factory = CastableFactory::new(&|_: &MockDIContainer| {
TransientPtr::new(Bacon { heal_amount: 27 })
});
let mock_di_container = MockDIContainer::new();
let output = castable_factory.call(&mock_di_container);
assert_eq!(output, TransientPtr::new(Bacon { heal_amount: 27 }));
}
}
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