pyo3/tests/test_class_basics.rs
2019-02-01 18:09:51 +01:00

81 lines
1.9 KiB
Rust

use pyo3::prelude::*;
#[macro_use]
mod common;
#[pyclass]
struct EmptyClass {}
#[test]
fn empty_class() {
let gil = Python::acquire_gil();
let py = gil.python();
let typeobj = py.get_type::<EmptyClass>();
// By default, don't allow creating instances from python.
assert!(typeobj.call(NoArgs, None).is_err());
py_assert!(py, typeobj, "typeobj.__name__ == 'EmptyClass'");
}
/// Line1
///Line2
/// Line3
// this is not doc string
#[pyclass]
struct ClassWithDocs {}
#[test]
fn class_with_docstr() {
{
let gil = Python::acquire_gil();
let py = gil.python();
let typeobj = py.get_type::<ClassWithDocs>();
py_run!(
py,
typeobj,
"assert typeobj.__doc__ == 'Line1\\nLine2\\n Line3'"
);
}
}
#[pyclass(name=CustomName)]
struct EmptyClass2 {}
#[test]
fn custom_class_name() {
let gil = Python::acquire_gil();
let py = gil.python();
let typeobj = py.get_type::<EmptyClass2>();
py_assert!(py, typeobj, "typeobj.__name__ == 'CustomName'");
}
#[pyclass]
struct EmptyClassInModule {}
#[test]
fn empty_class_in_module() {
let gil = Python::acquire_gil();
let py = gil.python();
let module = PyModule::new(py, "test_module.nested").unwrap();
module.add_class::<EmptyClassInModule>().unwrap();
let ty = module.getattr("EmptyClassInModule").unwrap();
assert_eq!(
ty.getattr("__name__").unwrap().extract::<String>().unwrap(),
"EmptyClassInModule"
);
let builtin = if cfg!(feature = "python2") {
"__builtin__"
} else {
"builtins"
};
let module: String = ty.getattr("__module__").unwrap().extract().unwrap();
// Rationale: The class can be added to many modules, but will only be initialized once.
// We currently have no way of determining a canonical module, so builtins is better
// than using whatever calls init first.
assert_eq!(module, builtin);
}