62 lines
1.5 KiB
Rust
62 lines
1.5 KiB
Rust
use anyhow::{anyhow, Result};
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use rand::prelude::*;
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use std::fs;
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use std::path::PathBuf;
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//---------------------------------------
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pub struct TestDir {
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dir: PathBuf,
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files: Vec<PathBuf>,
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clean_up: bool,
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file_count: usize,
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}
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fn mk_dir(prefix: &str) -> Result<PathBuf> {
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for _n in 0..100 {
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let mut p = PathBuf::new();
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let nr = rand::thread_rng().gen_range(1000000, 9999999);
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p.push(format!("./{}_{}", prefix, nr));
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if let Ok(()) = fs::create_dir(&p) {
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return Ok(p);
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}
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}
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Err(anyhow!("Couldn't create test directory"))
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}
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impl TestDir {
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pub fn new() -> Result<TestDir> {
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let dir = mk_dir("test_fixture")?;
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Ok(TestDir {
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dir,
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files: Vec::new(),
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clean_up: true,
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file_count: 0,
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})
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}
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pub fn mk_path(&mut self, file: &str) -> PathBuf {
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let mut p = PathBuf::new();
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p.push(&self.dir);
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p.push(PathBuf::from(format!("{:02}_{}", self.file_count, file)));
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self.files.push(p.clone());
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self.file_count += 1;
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p
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}
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}
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impl Drop for TestDir {
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fn drop(&mut self) {
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if self.clean_up {
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while let Some(f) = self.files.pop() {
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// It's not guaranteed that the path generated was actually created.
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let _ignore = fs::remove_file(f);
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}
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fs::remove_dir(&self.dir).expect("couldn't remove test directory");
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}
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}
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}
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//---------------------------------------
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