nushell/crates/nu-cli/tests/file_completions.rs

pub mod support;

use nu_cli::NuCompleter;
use reedline::Completer;
use support::{file, folder, match_suggestions, new_engine};

#[test]
fn file_completions() {
    // Create a new engine
    let (dir, dir_str, engine, stack) = new_engine();

    // Instatiate a new completer
    let mut completer = NuCompleter::new(std::sync::Arc::new(engine), stack);

    // Test completions for the current folder
    let target_dir = format!("cp {}", dir_str);
    let suggestions = completer.complete(&target_dir, target_dir.len());

    // Create the expected values
    let expected_paths: Vec<String> = vec![
        file(dir.join("nushell")),
        folder(dir.join("test_a")),
        folder(dir.join("test_b")),
        folder(dir.join("another")),
        file(dir.join("custom_completion.nu")),
        file(dir.join(".hidden_file")),
        folder(dir.join(".hidden_folder")),
    ];

    // Match the results
    match_suggestions(expected_paths, suggestions);

    // Test completions for the completions/another folder
    let target_dir = format!("cd {}", folder(dir.join("another")));
    let suggestions = completer.complete(&target_dir, target_dir.len());

    // Create the expected values
    let expected_paths: Vec<String> = vec![file(dir.join("another").join("newfile"))];

    // Match the results
    match_suggestions(expected_paths, suggestions);
}