rqbit/crates/librqbit/src/tests/test_util.rs
2024-03-29 20:32:08 +00:00

73 lines
1.8 KiB
Rust

use std::{io::Write, path::Path};
use librqbit_core::Id20;
use rand::{RngCore, SeedableRng};
use tempfile::TempDir;
pub fn create_new_file_with_random_content(path: &Path, mut size: usize) {
let mut file = std::fs::OpenOptions::new()
.create_new(true)
.write(true)
.open(path)
.unwrap();
eprintln!("creating temp file {:?}", path);
const BUF_SIZE: usize = 8192 * 16;
let mut rng = rand::rngs::SmallRng::from_entropy();
let mut write_buf = [0; BUF_SIZE];
while size > 0 {
rng.fill_bytes(&mut write_buf[..]);
let written = file.write(&write_buf[..size.min(BUF_SIZE)]).unwrap();
size -= written;
}
}
pub fn create_default_random_dir_with_torrents(
num_files: usize,
file_size: usize,
tempdir_prefix: Option<&str>,
) -> TempDir {
let dir = TempDir::with_prefix(tempdir_prefix.unwrap_or("rqbit_test")).unwrap();
dbg!(dir.path());
for f in 0..num_files {
create_new_file_with_random_content(&dir.path().join(&format!("{f}.data")), file_size);
}
dir
}
#[derive(Debug)]
pub struct TestPeerMetadata {
pub server_id: u8,
pub max_random_sleep_ms: u8,
}
impl TestPeerMetadata {
pub fn as_peer_id(&self) -> Id20 {
let mut peer_id = Id20::default();
peer_id.0[0] = self.server_id;
peer_id.0[1] = self.max_random_sleep_ms;
peer_id
}
pub fn from_peer_id(peer_id: Id20) -> Self {
Self {
server_id: peer_id.0[0],
max_random_sleep_ms: peer_id.0[1],
}
}
pub fn disconnect_probability(&self) -> f64 {
if self.server_id % 2 == 0 {
return 0.05f64;
}
0f64
}
pub fn bad_data_probability(&self) -> f64 {
if self.server_id % 2 == 0 {
return 0.05f64;
}
0f64
}
}