78 lines
1.6 KiB
Rust
78 lines
1.6 KiB
Rust
use pyo3::prelude::*;
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use pyo3::{exceptions, py_run, wrap_pyfunction, PyErr, PyResult};
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use std::error::Error;
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use std::fmt;
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use std::fs::File;
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mod common;
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#[pyfunction]
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fn fail_to_open_file() -> PyResult<()> {
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File::open("not_there.txt")?;
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Ok(())
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}
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#[test]
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#[cfg(not(target_os = "windows"))]
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fn test_filenotfounderror() {
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let gil = Python::acquire_gil();
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let py = gil.python();
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let fail_to_open_file = wrap_pyfunction!(fail_to_open_file)(py);
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py_run!(
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py,
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fail_to_open_file,
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r#"
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try:
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fail_to_open_file()
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except FileNotFoundError as e:
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assert str(e) == "No such file or directory (os error 2)"
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"#
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);
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}
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#[derive(Debug)]
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struct CustomError;
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impl Error for CustomError {}
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impl fmt::Display for CustomError {
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
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write!(f, "Oh no!")
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}
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}
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impl std::convert::From<CustomError> for PyErr {
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fn from(err: CustomError) -> PyErr {
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exceptions::OSError::py_err(err.to_string())
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}
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}
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fn fail_with_custom_error() -> Result<(), CustomError> {
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Err(CustomError)
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}
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#[pyfunction]
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fn call_fail_with_custom_error() -> PyResult<()> {
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fail_with_custom_error()?;
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Ok(())
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}
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#[test]
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fn test_custom_error() {
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let gil = Python::acquire_gil();
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let py = gil.python();
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let call_fail_with_custom_error = wrap_pyfunction!(call_fail_with_custom_error)(py);
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py_run!(
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py,
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call_fail_with_custom_error,
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r#"
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try:
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call_fail_with_custom_error()
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except OSError as e:
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assert str(e) == "Oh no!"
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"#
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);
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}
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