osrm-backend/tests/common/file_util.rs
2024-06-13 17:02:28 +02:00

21 lines
543 B
Rust

use std::{
fs::{self, File},
io::Read,
path::PathBuf,
};
use log::debug;
pub fn get_file_as_byte_vec(path: &PathBuf) -> Vec<u8> {
debug!("opening {path:?}");
let mut f = File::open(path).expect("no file found");
let metadata = fs::metadata(path).expect("unable to read metadata");
let mut buffer = vec![0; metadata.len() as usize];
match f.read(&mut buffer) {
Ok(l) => assert_eq!(metadata.len() as usize, l, "data was not completely read"),
Err(e) => panic!("Error: {e}"),
}
buffer
}