pyo3/tests/test_class_new.rs
2018-05-02 20:56:11 +02:00

81 lines
1.8 KiB
Rust

#![feature(proc_macro, specialization)]
extern crate pyo3;
use pyo3::prelude::*;
use pyo3::py::class as pyclass;
use pyo3::py::methods as pymethods;
#[pyclass]
struct EmptyClassWithNew {
token: PyToken
}
#[pymethods]
impl EmptyClassWithNew {
#[__new__]
fn __new__(obj: &PyRawObject) -> PyResult<()> {
obj.init(|t| EmptyClassWithNew{token: t})
}
}
#[test]
fn empty_class_with_new() {
let gil = Python::acquire_gil();
let py = gil.python();
let typeobj = py.get_type::<EmptyClassWithNew>();
assert!(typeobj.call(NoArgs, NoArgs).unwrap().cast_as::<EmptyClassWithNew>().is_ok());
}
#[pyclass]
struct NewWithOneArg {
_data: i32,
token: PyToken
}
#[pymethods]
impl NewWithOneArg {
#[new]
fn __new__(obj: &PyRawObject, arg: i32) -> PyResult<()> {
obj.init(|t| NewWithOneArg{_data: arg, token: t})
}
}
#[test]
fn new_with_one_arg() {
let gil = Python::acquire_gil();
let py = gil.python();
let typeobj = py.get_type::<NewWithOneArg>();
let wrp = typeobj.call((42,), NoArgs).unwrap();
let obj = wrp.cast_as::<NewWithOneArg>().unwrap();
assert_eq!(obj._data, 42);
}
#[pyclass]
struct NewWithTwoArgs {
_data1: i32,
_data2: i32,
token: PyToken
}
#[pymethods]
impl NewWithTwoArgs {
#[new]
fn __new__(obj: &PyRawObject, arg1: i32, arg2: i32) -> PyResult<()>
{
obj.init(|t| NewWithTwoArgs{_data1: arg1, _data2: arg2, token: t})
}
}
#[test]
fn new_with_two_args() {
let gil = Python::acquire_gil();
let py = gil.python();
let typeobj = py.get_type::<NewWithTwoArgs>();
let wrp = typeobj.call((10, 20), NoArgs).map_err(|e| e.print(py)).unwrap();
let obj = wrp.cast_as::<NewWithTwoArgs>().unwrap();
assert_eq!(obj._data1, 10);
assert_eq!(obj._data2, 20);
}