espanso/src/utils.rs

94 lines
3.4 KiB
Rust

/*
* This file is part of espanso.
*
* Copyright (C) 2019 Federico Terzi
*
* espanso is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* espanso is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with espanso. If not, see <https://www.gnu.org/licenses/>.
*/
use std::path::Path;
use std::error::Error;
use std::fs::create_dir;
pub fn copy_dir(source_dir: &Path, dest_dir: &Path) -> Result<(), Box<dyn Error>> {
for entry in std::fs::read_dir(source_dir)? {
let entry = entry?;
let entry = entry.path();
if entry.is_dir() {
let name = entry.file_name().expect("Error obtaining the filename");
let target_dir = dest_dir.join(name);
create_dir(&target_dir)?;
copy_dir(&entry, &target_dir)?;
}else if entry.is_file() {
let target_entry = dest_dir.join(entry.file_name().expect("Error obtaining the filename"));
std::fs::copy(entry, target_entry)?;
}
}
Ok(())
}
#[cfg(test)]
mod tests {
use super::*;
use tempfile::TempDir;
use std::fs::create_dir;
#[test]
fn test_copy_dir_into() {
let source_tmp_dir = TempDir::new().expect("Error creating temp directory");
let dest_tmp_dir = TempDir::new().expect("Error creating temp directory");
let source_dir = source_tmp_dir.path().join("source");
create_dir(&source_dir);
std::fs::write(source_dir.join("file1.txt"), "file1");
std::fs::write(source_dir.join("file2.txt"), "file2");
let target_dir = dest_tmp_dir.path().join("source");
create_dir(&target_dir);
copy_dir(&source_dir, &target_dir);
assert!(dest_tmp_dir.path().join("source").exists());
assert!(dest_tmp_dir.path().join("source/file1.txt").exists());
assert!(dest_tmp_dir.path().join("source/file2.txt").exists());
}
#[test]
fn test_copy_dir_into_recursive() {
let source_tmp_dir = TempDir::new().expect("Error creating temp directory");
let dest_tmp_dir = TempDir::new().expect("Error creating temp directory");
let source_dir = source_tmp_dir.path().join("source");
create_dir(&source_dir);
std::fs::write(source_dir.join("file1.txt"), "file1");
std::fs::write(source_dir.join("file2.txt"), "file2");
let nested_dir = source_dir.join("nested");
create_dir(&nested_dir);
std::fs::write(nested_dir.join("nestedfile.txt"), "nestedfile1");
let target_dir = dest_tmp_dir.path().join("source");
create_dir(&target_dir);
copy_dir(&source_dir, &target_dir);
assert!(dest_tmp_dir.path().join("source").exists());
assert!(dest_tmp_dir.path().join("source/file1.txt").exists());
assert!(dest_tmp_dir.path().join("source/file2.txt").exists());
assert!(dest_tmp_dir.path().join("source/nested").exists());
assert!(dest_tmp_dir.path().join("source/nested/nestedfile.txt").exists());
}
}