remotefs-memory 0.1.0

use std::io::Cursor;
use std::time::SystemTime;

use pretty_assertions::assert_eq;

use super::*;

#[test]
fn should_append_to_file() {
    let mut client = setup_client();
    // Create file
    let p = Path::new("a.txt");
    let file_data = "test data\n";
    let reader = Cursor::new(file_data.as_bytes());
    assert_eq!(
        client
            .create_file(p, &Metadata::default().size(10), Box::new(reader))
            .ok()
            .unwrap(),
        10
    );
    // Verify size
    assert_eq!(client.stat(p).unwrap().metadata().size, 10);
    // Append to file
    let file_data = "Hello, world!\n";
    let reader = Cursor::new(file_data.as_bytes());
    assert_eq!(
        client
            .append_file(p, &Metadata::default().size(14), Box::new(reader))
            .ok()
            .unwrap(),
        14
    );
    assert_eq!(client.stat(p).unwrap().metadata().size, 24);
    finalize_client(client);
}

#[test]
fn should_not_append_to_file() {
    let mut client = setup_client();
    // Create file
    let p = Path::new("/tmp/aaaaaaa/hbbbbb/a.txt");
    // Append to file
    let file_data = "Hello, world!\n";
    let reader = Cursor::new(file_data.as_bytes());
    assert!(client
        .append_file(p, &Metadata::default(), Box::new(reader))
        .is_err());
    finalize_client(client);
}

#[test]
fn should_change_directory() {
    let mut client = setup_client();
    let pwd = client.pwd().unwrap();
    assert!(client.change_dir(Path::new("/tmp")).is_ok());
    assert!(client.change_dir(pwd.as_path()).is_ok());
    finalize_client(client);
}

#[test]
fn should_not_change_directory() {
    let mut client = setup_client();
    assert!(client
        .change_dir(Path::new("/tmp/sdfghjuireghiuergh/useghiyuwegh"))
        .is_err());
    finalize_client(client);
}

#[test]
fn should_copy_file() {
    let mut client = setup_client();
    // Create file
    let p = Path::new("a.txt");
    let file_data = "test data\n";
    let reader = Cursor::new(file_data.as_bytes());
    assert!(client
        .create_file(p, &Metadata::default(), Box::new(reader))
        .is_ok());
    assert!(client.copy(p, Path::new("b.txt")).is_ok());
    assert!(client.stat(p).is_ok());
    assert!(client.stat(Path::new("b.txt")).is_ok());
    finalize_client(client);
}

#[test]
fn should_not_copy_file() {
    let mut client = setup_client();
    // Create file
    let p = Path::new("a.txt");
    let file_data = "test data\n";
    let reader = Cursor::new(file_data.as_bytes());
    assert!(client
        .create_file(p, &Metadata::default(), Box::new(reader))
        .is_ok());
    assert!(client.copy(p, Path::new("aaa/bbbb/ccc/b.txt")).is_err());
    finalize_client(client);
}

#[test]
fn should_create_directory() {
    let mut client = setup_client();
    // create directory
    assert!(client
        .create_dir(Path::new("mydir"), UnixPex::from(0o755))
        .is_ok());
    finalize_client(client);
}

#[test]
fn should_not_create_directory_cause_already_exists() {
    let mut client = setup_client();
    // create directory
    assert!(client
        .create_dir(Path::new("mydir"), UnixPex::from(0o755))
        .is_ok());
    assert_eq!(
        client
            .create_dir(Path::new("mydir"), UnixPex::from(0o755))
            .err()
            .unwrap()
            .kind,
        RemoteErrorType::DirectoryAlreadyExists
    );
    finalize_client(client);
}

#[test]
fn should_not_create_directory() {
    let mut client = setup_client();
    // create directory
    assert!(client
        .create_dir(
            Path::new("/tmp/werfgjwerughjwurih/iwerjghiwgui"),
            UnixPex::from(0o755)
        )
        .is_err());
    finalize_client(client);
}

#[test]
fn should_create_file() {
    let mut client = setup_client();
    // Create file
    let p = Path::new("a.txt");
    let file_data = "test data\n";
    let reader = Cursor::new(file_data.as_bytes());
    assert_eq!(
        client
            .create_file(p, &Metadata::default().size(10), Box::new(reader))
            .ok()
            .unwrap(),
        10
    );
    // Verify size
    assert_eq!(client.stat(p).unwrap().metadata().size, 10);
    finalize_client(client);
}

#[test]
fn should_not_create_file() {
    let mut client = setup_client();
    // Create file
    let p = Path::new("/tmp/ahsufhauiefhuiashf/hfhfhfhf");
    let file_data = "test data\n";
    let reader = Cursor::new(file_data.as_bytes());
    assert!(client
        .create_file(p, &Metadata::default(), Box::new(reader))
        .is_err());
    finalize_client(client);
}

#[test]
fn should_not_exec_command() {
    let mut client = setup_client();
    // Create file
    assert!(client.exec("echo 5").is_err());
    finalize_client(client);
}

#[test]
fn should_tell_whether_file_exists() {
    let mut client = setup_client();
    // Create file
    let p = Path::new("a.txt");
    let file_data = "test data\n";
    let reader = Cursor::new(file_data.as_bytes());
    assert!(client
        .create_file(p, &Metadata::default(), Box::new(reader))
        .is_ok());
    // Verify size
    assert_eq!(client.exists(p).unwrap(), true);
    assert_eq!(client.exists(Path::new("b.txt")).unwrap(), false);
    assert_eq!(
        client.exists(Path::new("/tmp/ppppp/bhhrhu")).unwrap(),
        false
    );
    assert_eq!(client.exists(Path::new("/tmp")).unwrap(), true);
    finalize_client(client);
}

#[test]
fn should_list_dir() {
    let mut client = setup_client();
    // Create file
    let wrkdir = client.pwd().unwrap();
    let p = Path::new("a.txt");
    let file_data = "test data\n";
    let reader = Cursor::new(file_data.as_bytes());
    assert!(client
        .create_file(p, &Metadata::default().size(10), Box::new(reader))
        .is_ok());
    // Verify size
    let file = client
        .list_dir(wrkdir.as_path())
        .ok()
        .unwrap()
        .get(0)
        .unwrap()
        .clone();
    assert_eq!(file.name().as_str(), "a.txt");
    let mut expected_path = wrkdir;
    expected_path.push(p);
    assert_eq!(file.path.as_path(), expected_path.as_path());
    assert_eq!(file.extension().as_deref().unwrap(), "txt");
    assert_eq!(file.metadata.size, 10);
    assert_eq!(file.metadata.mode.unwrap(), UnixPex::from(0o755));
    finalize_client(client);
}

#[test]
fn should_not_list_dir() {
    let mut client = setup_client();
    // Create file
    assert!(client.list_dir(Path::new("/tmp/auhhfh/hfhjfhf/")).is_err());
    finalize_client(client);
}

#[test]
fn should_move_file() {
    let mut client = setup_client();
    // Create file
    let p = Path::new("a.txt");
    let file_data = "test data\n";
    let reader = Cursor::new(file_data.as_bytes());
    assert!(client
        .create_file(p, &Metadata::default(), Box::new(reader))
        .is_ok());
    // Verify size
    let dest = Path::new("b.txt");
    assert!(client.mov(p, dest).is_ok());
    assert_eq!(client.exists(p).unwrap(), false);
    assert_eq!(client.exists(dest).unwrap(), true);
    finalize_client(client);
}

#[test]
fn should_not_move_file() {
    let mut client = setup_client();
    // Create file
    let p = Path::new("a.txt");
    let file_data = "test data\n";
    let reader = Cursor::new(file_data.as_bytes());
    assert!(client
        .create_file(p, &Metadata::default(), Box::new(reader))
        .is_ok());
    // Verify size
    let dest = Path::new("/tmp/wuefhiwuerfh/whjhh/b.txt");
    assert!(client.mov(p, dest).is_err());
    assert!(client
        .mov(Path::new("/tmp/wuefhiwuerfh/whjhh/b.txt"), p)
        .is_err());
    finalize_client(client);
}

#[test]
fn should_open_file() {
    let mut client = setup_client();
    // Create file
    let p = Path::new("a.txt");
    let file_data = "test data\n";
    let reader = Cursor::new(file_data.as_bytes());
    assert!(client
        .create_file(p, &Metadata::default().size(10), Box::new(reader))
        .is_ok());
    // Verify size
    let buffer: Box<dyn std::io::Write + Send> = Box::new(Vec::with_capacity(512));
    assert_eq!(client.open_file(p, buffer).unwrap(), 10);
    finalize_client(client);
}

#[test]
fn should_not_open_file() {
    let mut client = setup_client();
    // Verify size
    let buffer: Box<dyn std::io::Write + Send> = Box::new(Vec::with_capacity(512));
    assert!(client
        .open_file(Path::new("/tmp/aashafb/hhh"), buffer)
        .is_err());
    finalize_client(client);
}

#[test]
fn should_print_working_directory() {
    let mut client = setup_client();
    assert!(client.pwd().is_ok());
    finalize_client(client);
}

#[test]
fn should_remove_dir_all() {
    let mut client = setup_client();
    // Create dir
    let mut dir_path = client.pwd().unwrap();
    dir_path.push(Path::new("test/"));
    assert!(client
        .create_dir(dir_path.as_path(), UnixPex::from(0o775))
        .is_ok());
    // Create file
    let mut file_path = dir_path.clone();
    file_path.push(Path::new("a.txt"));
    let file_data = "test data\n";
    let reader = Cursor::new(file_data.as_bytes());
    assert!(client
        .create_file(file_path.as_path(), &Metadata::default(), Box::new(reader))
        .is_ok());
    // Remove dir
    assert!(client.remove_dir_all(dir_path.as_path()).is_ok());
    finalize_client(client);
}

#[test]
fn should_not_remove_dir_all() {
    let mut client = setup_client();
    // Remove dir
    assert!(client
        .remove_dir_all(Path::new("/tmp/aaaaaa/asuhi"))
        .is_err());
    finalize_client(client);
}

#[test]
fn should_remove_dir() {
    let mut client = setup_client();
    // Create dir
    let mut dir_path = client.pwd().unwrap();
    dir_path.push(Path::new("test/"));
    assert!(client
        .create_dir(dir_path.as_path(), UnixPex::from(0o775))
        .is_ok());
    assert!(client.remove_dir(dir_path.as_path()).is_ok());
    finalize_client(client);
}

#[test]
fn should_not_remove_dir() {
    let mut client = setup_client();
    // Create dir
    let mut dir_path = client.pwd().unwrap();
    dir_path.push(Path::new("test/"));
    assert!(client
        .create_dir(dir_path.as_path(), UnixPex::from(0o775))
        .is_ok());
    // Create file
    let mut file_path = dir_path.clone();
    file_path.push(Path::new("a.txt"));
    let file_data = "test data\n";
    let reader = Cursor::new(file_data.as_bytes());
    assert!(client
        .create_file(file_path.as_path(), &Metadata::default(), Box::new(reader))
        .is_ok());
    // Remove dir
    assert!(client.remove_dir(dir_path.as_path()).is_err());
    finalize_client(client);
}

#[test]
fn should_remove_file() {
    let mut client = setup_client();
    // Create file
    let p = Path::new("a.txt");
    let file_data = "test data\n";
    let reader = Cursor::new(file_data.as_bytes());
    assert!(client
        .create_file(p, &Metadata::default(), Box::new(reader))
        .is_ok());
    assert!(client.remove_file(p).is_ok());
    finalize_client(client);
}

#[test]
fn should_setstat_file() {
    let mut client = setup_client();
    // Create file
    let p = Path::new("a.sh");
    let file_data = "echo 5\n";
    let reader = Cursor::new(file_data.as_bytes());
    assert!(client
        .create_file(p, &Metadata::default(), Box::new(reader))
        .is_ok());

    assert!(client
        .setstat(
            p,
            Metadata {
                accessed: Some(SystemTime::UNIX_EPOCH),
                created: None,
                file_type: FileType::File,
                gid: Some(1000),
                mode: Some(UnixPex::from(0o755)),
                modified: Some(SystemTime::UNIX_EPOCH),
                size: 7,
                symlink: None,
                uid: Some(1000),
            }
        )
        .is_ok());
    let entry = client.stat(p).unwrap();
    let stat = entry.metadata();
    assert_eq!(stat.accessed, Some(SystemTime::UNIX_EPOCH));
    assert_eq!(stat.created, None);
    assert_eq!(stat.gid.unwrap(), 1000);
    assert_eq!(stat.modified, Some(SystemTime::UNIX_EPOCH));
    assert_eq!(stat.mode.unwrap(), UnixPex::from(0o755));
    assert_eq!(stat.size, 7);
    assert_eq!(stat.uid.unwrap(), 1000);

    finalize_client(client);
}

#[test]
fn should_not_setstat_file() {
    let mut client = setup_client();
    // Create file
    let p = Path::new("bbbbb/cccc/a.sh");
    assert!(client
        .setstat(
            p,
            Metadata {
                accessed: None,
                created: None,
                file_type: FileType::File,
                gid: Some(1),
                mode: Some(UnixPex::from(0o755)),
                modified: None,
                size: 7,
                symlink: None,
                uid: Some(1),
            }
        )
        .is_err());
    finalize_client(client);
}

#[test]
fn should_stat_file() {
    let mut client = setup_client();
    // Create file
    let p = Path::new("a.sh");
    let file_data = "echo 5\n";
    let reader = Cursor::new(file_data.as_bytes());
    assert!(client
        .create_file(
            p,
            &Metadata::default().size(7).mode(UnixPex::from(0o644)),
            Box::new(reader)
        )
        .is_ok());
    let entry = client.stat(p).unwrap();
    assert_eq!(entry.name(), "a.sh");
    let mut expected_path = client.pwd().unwrap();
    expected_path.push("a.sh");
    assert_eq!(entry.path(), expected_path.as_path());
    let meta = entry.metadata();
    assert_eq!(meta.mode.unwrap(), UnixPex::from(0o644));
    assert_eq!(meta.size, 7);
    finalize_client(client);
}

#[test]
fn should_not_stat_file() {
    let mut client = setup_client();
    // Create file
    let p = Path::new("a.sh");
    assert!(client.stat(p).is_err());
    finalize_client(client);
}

#[test]
fn should_make_symlink() {
    let mut client = setup_client();
    // Create file
    let p = Path::new("a.sh");
    let file_data = "echo 5\n";
    let reader = Cursor::new(file_data.as_bytes());
    assert!(client
        .create_file(p, &Metadata::default(), Box::new(reader))
        .is_ok());
    let symlink = Path::new("b.sh");
    // making b.sh -> a.sh
    assert!(client.symlink(symlink, p).is_ok());
    assert!(client.remove_file(symlink).is_ok());
    finalize_client(client);
}

#[test]
fn should_not_make_symlink() {
    let mut client = setup_client();
    // Create file
    let p = Path::new("a.sh");
    let file_data = "echo 5\n";
    let reader = Cursor::new(file_data.as_bytes());
    assert!(client
        .create_file(p, &Metadata::default(), Box::new(reader))
        .is_ok());
    let symlink = Path::new("b.sh");
    let file_data = "echo 5\n";
    let reader = Cursor::new(file_data.as_bytes());
    assert!(client
        .create_file(symlink, &Metadata::default(), Box::new(reader))
        .is_ok());
    assert!(client.symlink(symlink, p).is_err());
    assert!(client.remove_file(symlink).is_ok());
    assert!(client.symlink(symlink, Path::new("c.sh")).is_err());
    finalize_client(client);
}

fn setup_client() -> MemoryFs {
    let tempdir = PathBuf::from("/tmp");
    let tree = Tree::new(node!(
        PathBuf::from("/"),
        Inode::dir(0, 0, UnixPex::from(0o755)),
        node!(tempdir.clone(), Inode::dir(0, 0, UnixPex::from(0o755)))
    ));

    let mut client = MemoryFs::new(tree);

    assert!(client.connect().is_ok());
    // Create wrkdir
    // Change directory
    assert!(client.change_dir(tempdir.as_path()).is_ok());
    client
}

fn finalize_client(mut client: MemoryFs) {
    // Get working directory
    let wrkdir = client.pwd().unwrap();
    // Remove directory
    assert!(client.remove_dir_all(wrkdir.as_path()).is_ok());
    assert!(client.disconnect().is_ok());
}