160 lines
3.6 KiB
Rust
160 lines
3.6 KiB
Rust
#![cfg(feature = "macros")]
|
|
|
|
use pyo3::prelude::*;
|
|
|
|
#[macro_use]
|
|
#[path = "../src/tests/common.rs"]
|
|
mod common;
|
|
|
|
#[pyclass]
|
|
#[derive(Clone, Debug, PartialEq)]
|
|
struct Cloneable {
|
|
x: i32,
|
|
}
|
|
|
|
#[test]
|
|
fn test_cloneable_pyclass() {
|
|
let c = Cloneable { x: 10 };
|
|
|
|
Python::with_gil(|py| {
|
|
let py_c = Py::new(py, c.clone()).unwrap().to_object(py);
|
|
|
|
let c2: Cloneable = py_c.extract(py).unwrap();
|
|
assert_eq!(c, c2);
|
|
{
|
|
let rc: PyRef<'_, Cloneable> = py_c.extract(py).unwrap();
|
|
assert_eq!(&c, &*rc);
|
|
// Drops PyRef before taking PyRefMut
|
|
}
|
|
let mrc: PyRefMut<'_, Cloneable> = py_c.extract(py).unwrap();
|
|
assert_eq!(&c, &*mrc);
|
|
});
|
|
}
|
|
|
|
#[pyclass(subclass)]
|
|
#[derive(Default)]
|
|
struct BaseClass {
|
|
value: i32,
|
|
}
|
|
|
|
#[pymethods]
|
|
impl BaseClass {
|
|
fn foo(&self) -> &'static str {
|
|
"BaseClass"
|
|
}
|
|
}
|
|
|
|
#[pyclass(extends=BaseClass)]
|
|
struct SubClass {}
|
|
|
|
#[pymethods]
|
|
impl SubClass {
|
|
fn foo(&self) -> &'static str {
|
|
"SubClass"
|
|
}
|
|
}
|
|
|
|
#[pyclass]
|
|
struct PolymorphicContainer {
|
|
#[pyo3(get, set)]
|
|
inner: Py<BaseClass>,
|
|
}
|
|
|
|
#[test]
|
|
fn test_polymorphic_container_stores_base_class() {
|
|
Python::with_gil(|py| {
|
|
let p = PyCell::new(
|
|
py,
|
|
PolymorphicContainer {
|
|
inner: Py::new(py, BaseClass::default()).unwrap(),
|
|
},
|
|
)
|
|
.unwrap()
|
|
.to_object(py);
|
|
|
|
py_assert!(py, p, "p.inner.foo() == 'BaseClass'");
|
|
});
|
|
}
|
|
|
|
#[test]
|
|
fn test_polymorphic_container_stores_sub_class() {
|
|
Python::with_gil(|py| {
|
|
let p = PyCell::new(
|
|
py,
|
|
PolymorphicContainer {
|
|
inner: Py::new(py, BaseClass::default()).unwrap(),
|
|
},
|
|
)
|
|
.unwrap()
|
|
.to_object(py);
|
|
|
|
p.bind(py)
|
|
.setattr(
|
|
"inner",
|
|
PyCell::new(
|
|
py,
|
|
PyClassInitializer::from(BaseClass::default()).add_subclass(SubClass {}),
|
|
)
|
|
.unwrap(),
|
|
)
|
|
.unwrap();
|
|
|
|
py_assert!(py, p, "p.inner.foo() == 'SubClass'");
|
|
});
|
|
}
|
|
|
|
#[test]
|
|
fn test_polymorphic_container_does_not_accept_other_types() {
|
|
Python::with_gil(|py| {
|
|
let p = PyCell::new(
|
|
py,
|
|
PolymorphicContainer {
|
|
inner: Py::new(py, BaseClass::default()).unwrap(),
|
|
},
|
|
)
|
|
.unwrap()
|
|
.to_object(py);
|
|
|
|
let setattr = |value: PyObject| p.bind(py).setattr("inner", value);
|
|
|
|
assert!(setattr(1i32.into_py(py)).is_err());
|
|
assert!(setattr(py.None()).is_err());
|
|
assert!(setattr((1i32, 2i32).into_py(py)).is_err());
|
|
});
|
|
}
|
|
|
|
#[test]
|
|
fn test_pyref_as_base() {
|
|
Python::with_gil(|py| {
|
|
let cell = PyCell::new(py, (SubClass {}, BaseClass { value: 120 })).unwrap();
|
|
|
|
// First try PyRefMut
|
|
let sub: PyRefMut<'_, SubClass> = cell.borrow_mut();
|
|
let mut base: PyRefMut<'_, BaseClass> = sub.into_super();
|
|
assert_eq!(120, base.value);
|
|
base.value = 999;
|
|
assert_eq!(999, base.value);
|
|
drop(base);
|
|
|
|
// Repeat for PyRef
|
|
let sub: PyRef<'_, SubClass> = cell.borrow();
|
|
let base: PyRef<'_, BaseClass> = sub.into_super();
|
|
assert_eq!(999, base.value);
|
|
});
|
|
}
|
|
|
|
#[test]
|
|
fn test_pycell_deref() {
|
|
Python::with_gil(|py| {
|
|
let cell = PyCell::new(py, (SubClass {}, BaseClass { value: 120 })).unwrap();
|
|
|
|
// Should be able to deref as PyAny
|
|
assert_eq!(
|
|
cell.call_method0("foo")
|
|
.and_then(PyAny::extract::<&str>)
|
|
.unwrap(),
|
|
"SubClass"
|
|
);
|
|
});
|
|
}
|