fs_symlink_dir_windows.rs

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#![warn(rust_2018_idioms)]

#![cfg(all(feature = "full", not(tokio_wasi)))] // WASI does not support all fs operations

#![cfg(windows)]

use tempfile::tempdir;

use tokio::fs;

#[tokio::test]

async fn symlink_file_windows() {

    const FILE_NAME: &str = "abc.txt";

    let temp_dir = tempdir().unwrap();

    let dir1 = temp_dir.path().join("a");

    fs::create_dir(&dir1).await.unwrap();

    let file1 = dir1.as_path().join(FILE_NAME);

    fs::write(&file1, b"Hello File!").await.unwrap();

    let dir2 = temp_dir.path().join("b");

    fs::symlink_dir(&dir1, &dir2).await.unwrap();

    fs::write(&file1, b"new data!").await.unwrap();

    let file2 = dir2.as_path().join(FILE_NAME);

    let from = fs::read(&file1).await.unwrap();

    let to = fs::read(&file2).await.unwrap();

    assert_eq!(from, to);