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

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pub mod support;
use nu_cli::NuCompleter;
use nu_parser::parse;
use nu_protocol::engine::StateWorkingSet;
use reedline::{Completer, Suggestion};
use rstest::{fixture, rstest};
use support::{file, folder, match_suggestions, new_engine};
#[fixture]
fn completer() -> NuCompleter {
// Create a new engine
let (dir, _, mut engine, mut stack) = new_engine();
// Add record value as example
let record = "def tst [--mod -s] {}";
assert!(support::merge_input(record.as_bytes(), &mut engine, &mut stack, dir).is_ok());
// Instantiate a new completer
NuCompleter::new(std::sync::Arc::new(engine), stack)
}
#[fixture]
fn completer_strings() -> NuCompleter {
// Create a new engine
let (dir, _, mut engine, mut stack) = new_engine();
// Add record value as example
let record = r#"def animals [] { ["cat", "dog", "eel" ] }
def my-command [animal: string@animals] { print $animal }"#;
assert!(support::merge_input(record.as_bytes(), &mut engine, &mut stack, dir).is_ok());
// Instantiate a new completer
NuCompleter::new(std::sync::Arc::new(engine), stack)
}
#[rstest]
fn variables_completions_double_dash_argument(mut completer: NuCompleter) {
let suggestions = completer.complete("tst --", 6);
let expected: Vec<String> = vec!["--help".into(), "--mod".into()];
// dbg!(&expected, &suggestions);
match_suggestions(expected, suggestions);
}
#[rstest]
fn variables_completions_single_dash_argument(mut completer: NuCompleter) {
let suggestions = completer.complete("tst -", 5);
let expected: Vec<String> = vec!["--help".into(), "--mod".into(), "-h".into(), "-s".into()];
match_suggestions(expected, suggestions);
}
#[rstest]
fn variables_completions_command(mut completer_strings: NuCompleter) {
let suggestions = completer_strings.complete("my-command ", 9);
let expected: Vec<String> = vec!["my-command".into()];
match_suggestions(expected, suggestions);
}
#[rstest]
fn variables_completions_subcommands(mut completer_strings: NuCompleter) {
let suggestions = completer_strings.complete("my-command ", 11);
let expected: Vec<String> = vec!["cat".into(), "dog".into(), "eel".into()];
match_suggestions(expected, suggestions);
}
#[rstest]
fn variables_completions_subcommands_2(mut completer_strings: NuCompleter) {
let suggestions = completer_strings.complete("my-command ", 11);
let expected: Vec<String> = vec!["cat".into(), "dog".into(), "eel".into()];
match_suggestions(expected, suggestions);
}
#[test]
fn dotnu_completions() {
// Create a new engine
let (_, _, engine, stack) = new_engine();
// Instatiate a new completer
let mut completer = NuCompleter::new(std::sync::Arc::new(engine), stack);
// Test source completion
let completion_str = "source-env ".to_string();
let suggestions = completer.complete(&completion_str, completion_str.len());
assert_eq!(1, suggestions.len());
assert_eq!("custom_completion.nu", suggestions.get(0).unwrap().value);
// Test use completion
let completion_str = "use ".to_string();
let suggestions = completer.complete(&completion_str, completion_str.len());
assert_eq!(1, suggestions.len());
assert_eq!("custom_completion.nu", suggestions.get(0).unwrap().value);
}
#[test]
#[ignore]
fn external_completer_trailing_space() {
// https://github.com/nushell/nushell/issues/6378
let block = "let external_completer = {|spans| $spans}";
let input = "gh alias ".to_string();
let suggestions = run_external_completion(&block, &input);
assert_eq!(3, suggestions.len());
assert_eq!("gh", suggestions.get(0).unwrap().value);
assert_eq!("alias", suggestions.get(1).unwrap().value);
assert_eq!("", suggestions.get(2).unwrap().value);
}
#[test]
fn external_completer_no_trailing_space() {
let block = "let external_completer = {|spans| $spans}";
let input = "gh alias".to_string();
let suggestions = run_external_completion(&block, &input);
assert_eq!(2, suggestions.len());
assert_eq!("gh", suggestions.get(0).unwrap().value);
assert_eq!("alias", suggestions.get(1).unwrap().value);
}
#[test]
fn external_completer_pass_flags() {
let block = "let external_completer = {|spans| $spans}";
let input = "gh api --".to_string();
let suggestions = run_external_completion(&block, &input);
assert_eq!(3, suggestions.len());
assert_eq!("gh", suggestions.get(0).unwrap().value);
assert_eq!("api", suggestions.get(1).unwrap().value);
assert_eq!("--", suggestions.get(2).unwrap().value);
}
#[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 a file
let target_dir = format!("cp {}", 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);
}
#[test]
fn command_ls_completion() {
let (_, _, engine, stack) = new_engine();
let mut completer = NuCompleter::new(std::sync::Arc::new(engine), stack);
let target_dir = "ls ";
let suggestions = completer.complete(target_dir, target_dir.len());
#[cfg(windows)]
let expected_paths: Vec<String> = vec![
"nushell".to_string(),
"test_a\\".to_string(),
"test_b\\".to_string(),
"another\\".to_string(),
"custom_completion.nu".to_string(),
".hidden_file".to_string(),
".hidden_folder\\".to_string(),
];
#[cfg(not(windows))]
let expected_paths: Vec<String> = vec![
"nushell".to_string(),
"test_a/".to_string(),
"test_b/".to_string(),
"another/".to_string(),
"custom_completion.nu".to_string(),
".hidden_file".to_string(),
".hidden_folder/".to_string(),
];
match_suggestions(expected_paths, suggestions)
}
#[test]
fn command_open_completion() {
let (_, _, engine, stack) = new_engine();
let mut completer = NuCompleter::new(std::sync::Arc::new(engine), stack);
let target_dir = "open ";
let suggestions = completer.complete(target_dir, target_dir.len());
#[cfg(windows)]
let expected_paths: Vec<String> = vec![
"nushell".to_string(),
"test_a\\".to_string(),
"test_b\\".to_string(),
"another\\".to_string(),
"custom_completion.nu".to_string(),
".hidden_file".to_string(),
".hidden_folder\\".to_string(),
];
#[cfg(not(windows))]
let expected_paths: Vec<String> = vec![
"nushell".to_string(),
"test_a/".to_string(),
"test_b/".to_string(),
"another/".to_string(),
"custom_completion.nu".to_string(),
".hidden_file".to_string(),
".hidden_folder/".to_string(),
];
match_suggestions(expected_paths, suggestions)
}
#[test]
fn command_rm_completion() {
let (_, _, engine, stack) = new_engine();
let mut completer = NuCompleter::new(std::sync::Arc::new(engine), stack);
let target_dir = "rm ";
let suggestions = completer.complete(target_dir, target_dir.len());
#[cfg(windows)]
let expected_paths: Vec<String> = vec![
"nushell".to_string(),
"test_a\\".to_string(),
"test_b\\".to_string(),
"another\\".to_string(),
"custom_completion.nu".to_string(),
".hidden_file".to_string(),
".hidden_folder\\".to_string(),
];
#[cfg(not(windows))]
let expected_paths: Vec<String> = vec![
"nushell".to_string(),
"test_a/".to_string(),
"test_b/".to_string(),
"another/".to_string(),
"custom_completion.nu".to_string(),
".hidden_file".to_string(),
".hidden_folder/".to_string(),
];
match_suggestions(expected_paths, suggestions)
}
#[test]
fn command_cp_completion() {
let (_, _, engine, stack) = new_engine();
let mut completer = NuCompleter::new(std::sync::Arc::new(engine), stack);
let target_dir = "cp ";
let suggestions = completer.complete(target_dir, target_dir.len());
#[cfg(windows)]
let expected_paths: Vec<String> = vec![
"nushell".to_string(),
"test_a\\".to_string(),
"test_b\\".to_string(),
"another\\".to_string(),
"custom_completion.nu".to_string(),
".hidden_file".to_string(),
".hidden_folder\\".to_string(),
];
#[cfg(not(windows))]
let expected_paths: Vec<String> = vec![
"nushell".to_string(),
"test_a/".to_string(),
"test_b/".to_string(),
"another/".to_string(),
"custom_completion.nu".to_string(),
".hidden_file".to_string(),
".hidden_folder/".to_string(),
];
match_suggestions(expected_paths, suggestions)
}
#[test]
fn command_save_completion() {
let (_, _, engine, stack) = new_engine();
let mut completer = NuCompleter::new(std::sync::Arc::new(engine), stack);
let target_dir = "save ";
let suggestions = completer.complete(target_dir, target_dir.len());
#[cfg(windows)]
let expected_paths: Vec<String> = vec![
"nushell".to_string(),
"test_a\\".to_string(),
"test_b\\".to_string(),
"another\\".to_string(),
"custom_completion.nu".to_string(),
".hidden_file".to_string(),
".hidden_folder\\".to_string(),
];
#[cfg(not(windows))]
let expected_paths: Vec<String> = vec![
"nushell".to_string(),
"test_a/".to_string(),
"test_b/".to_string(),
"another/".to_string(),
"custom_completion.nu".to_string(),
".hidden_file".to_string(),
".hidden_folder/".to_string(),
];
match_suggestions(expected_paths, suggestions)
}
#[test]
fn command_touch_completion() {
let (_, _, engine, stack) = new_engine();
let mut completer = NuCompleter::new(std::sync::Arc::new(engine), stack);
let target_dir = "touch ";
let suggestions = completer.complete(target_dir, target_dir.len());
#[cfg(windows)]
let expected_paths: Vec<String> = vec![
"nushell".to_string(),
"test_a\\".to_string(),
"test_b\\".to_string(),
"another\\".to_string(),
"custom_completion.nu".to_string(),
".hidden_file".to_string(),
".hidden_folder\\".to_string(),
];
#[cfg(not(windows))]
let expected_paths: Vec<String> = vec![
"nushell".to_string(),
"test_a/".to_string(),
"test_b/".to_string(),
"another/".to_string(),
"custom_completion.nu".to_string(),
".hidden_file".to_string(),
".hidden_folder/".to_string(),
];
match_suggestions(expected_paths, suggestions)
}
#[test]
fn command_watch_completion() {
let (_, _, engine, stack) = new_engine();
let mut completer = NuCompleter::new(std::sync::Arc::new(engine), stack);
let target_dir = "watch ";
let suggestions = completer.complete(target_dir, target_dir.len());
#[cfg(windows)]
let expected_paths: Vec<String> = vec![
"nushell".to_string(),
"test_a\\".to_string(),
"test_b\\".to_string(),
"another\\".to_string(),
"custom_completion.nu".to_string(),
".hidden_file".to_string(),
".hidden_folder\\".to_string(),
];
#[cfg(not(windows))]
let expected_paths: Vec<String> = vec![
"nushell".to_string(),
"test_a/".to_string(),
"test_b/".to_string(),
"another/".to_string(),
"custom_completion.nu".to_string(),
".hidden_file".to_string(),
".hidden_folder/".to_string(),
];
match_suggestions(expected_paths, suggestions)
}
#[test]
fn flag_completions() {
// Create a new engine
let (_, _, engine, stack) = new_engine();
// Instatiate a new completer
let mut completer = NuCompleter::new(std::sync::Arc::new(engine), stack);
// Test completions for the 'ls' flags
let suggestions = completer.complete("ls -", 4);
assert_eq!(14, suggestions.len());
let expected: Vec<String> = vec![
"--all".into(),
"--directory".into(),
"--du".into(),
"--full-paths".into(),
"--help".into(),
"--long".into(),
"--short-names".into(),
"-D".into(),
"-a".into(),
"-d".into(),
"-f".into(),
"-h".into(),
"-l".into(),
"-s".into(),
];
// Match results
match_suggestions(expected, suggestions);
}
#[test]
fn folder_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!("cd {}", dir_str);
let suggestions = completer.complete(&target_dir, target_dir.len());
// Create the expected values
let expected_paths: Vec<String> = vec![
folder(dir.join("test_a")),
folder(dir.join("test_b")),
folder(dir.join("another")),
folder(dir.join(".hidden_folder")),
];
// Match the results
match_suggestions(expected_paths, suggestions);
}
#[test]
fn variables_completions() {
// Create a new engine
let (dir, _, mut engine, mut stack) = new_engine();
// Add record value as example
let record = "let actor = { name: 'Tom Hardy', age: 44 }";
assert!(support::merge_input(record.as_bytes(), &mut engine, &mut stack, dir).is_ok());
// Instatiate a new completer
let mut completer = NuCompleter::new(std::sync::Arc::new(engine), stack);
// Test completions for $nu
let suggestions = completer.complete("$nu.", 4);
assert_eq!(9, suggestions.len());
let expected: Vec<String> = vec![
"config-path".into(),
"env-path".into(),
"history-path".into(),
"home-path".into(),
"loginshell-path".into(),
"os-info".into(),
"pid".into(),
"scope".into(),
"temp-path".into(),
];
// Match results
match_suggestions(expected, suggestions);
// Test completions for $nu.h (filter)
let suggestions = completer.complete("$nu.h", 5);
assert_eq!(2, suggestions.len());
let expected: Vec<String> = vec!["history-path".into(), "home-path".into()];
// Match results
match_suggestions(expected, suggestions);
// Test completions for custom var
let suggestions = completer.complete("$actor.", 7);
assert_eq!(2, suggestions.len());
let expected: Vec<String> = vec!["age".into(), "name".into()];
// Match results
match_suggestions(expected, suggestions);
// Test completions for custom var (filtering)
let suggestions = completer.complete("$actor.n", 8);
assert_eq!(1, suggestions.len());
let expected: Vec<String> = vec!["name".into()];
// Match results
match_suggestions(expected, suggestions);
// Test completions for $env
let suggestions = completer.complete("$env.", 5);
assert_eq!(2, suggestions.len());
let expected: Vec<String> = vec!["PWD".into(), "TEST".into()];
// Match results
match_suggestions(expected, suggestions);
// Test completions for $env
let suggestions = completer.complete("$env.T", 6);
assert_eq!(1, suggestions.len());
let expected: Vec<String> = vec!["TEST".into()];
// Match results
match_suggestions(expected, suggestions);
}
#[test]
fn alias_of_command_and_flags() {
let (dir, _, mut engine, mut stack) = new_engine();
// Create an alias
let alias = r#"alias ll = ls -l"#;
assert!(support::merge_input(alias.as_bytes(), &mut engine, &mut stack, dir).is_ok());
let mut completer = NuCompleter::new(std::sync::Arc::new(engine), stack);
let suggestions = completer.complete("ll t", 4);
#[cfg(windows)]
let expected_paths: Vec<String> = vec!["test_a\\".to_string(), "test_b\\".to_string()];
#[cfg(not(windows))]
let expected_paths: Vec<String> = vec!["test_a/".to_string(), "test_b/".to_string()];
match_suggestions(expected_paths, suggestions)
}
#[test]
fn alias_of_basic_command() {
let (dir, _, mut engine, mut stack) = new_engine();
// Create an alias
let alias = r#"alias ll = ls "#;
assert!(support::merge_input(alias.as_bytes(), &mut engine, &mut stack, dir).is_ok());
let mut completer = NuCompleter::new(std::sync::Arc::new(engine), stack);
let suggestions = completer.complete("ll t", 4);
#[cfg(windows)]
let expected_paths: Vec<String> = vec!["test_a\\".to_string(), "test_b\\".to_string()];
#[cfg(not(windows))]
let expected_paths: Vec<String> = vec!["test_a/".to_string(), "test_b/".to_string()];
match_suggestions(expected_paths, suggestions)
}
#[test]
fn alias_of_another_alias() {
let (dir, _, mut engine, mut stack) = new_engine();
// Create an alias
let alias = r#"alias ll = ls -la"#;
assert!(support::merge_input(alias.as_bytes(), &mut engine, &mut stack, dir.clone()).is_ok());
// Create the second alias
let alias = r#"alias lf = ll -f"#;
assert!(support::merge_input(alias.as_bytes(), &mut engine, &mut stack, dir).is_ok());
let mut completer = NuCompleter::new(std::sync::Arc::new(engine), stack);
let suggestions = completer.complete("lf t", 4);
#[cfg(windows)]
let expected_paths: Vec<String> = vec!["test_a\\".to_string(), "test_b\\".to_string()];
#[cfg(not(windows))]
let expected_paths: Vec<String> = vec!["test_a/".to_string(), "test_b/".to_string()];
match_suggestions(expected_paths, suggestions)
}
fn run_external_completion(block: &str, input: &str) -> Vec<Suggestion> {
// Create a new engine
let (dir, _, mut engine_state, mut stack) = new_engine();
let (_, delta) = {
let mut working_set = StateWorkingSet::new(&engine_state);
let (block, err) = parse(&mut working_set, None, block.as_bytes(), false, &[]);
assert!(err.is_none());
(block, working_set.render())
};
assert!(engine_state.merge_delta(delta).is_ok());
// Merge environment into the permanent state
assert!(engine_state.merge_env(&mut stack, &dir).is_ok());
let latest_block_id = engine_state.num_blocks() - 1;
// Change config adding the external completer
let mut config = engine_state.get_config().clone();
config.external_completer = Some(latest_block_id);
engine_state.set_config(&config);
// Instatiate a new completer
let mut completer = NuCompleter::new(std::sync::Arc::new(engine_state), stack);
completer.complete(&input, input.len())
}
#[test]
fn unknown_command_completion() {
let (_, _, engine, stack) = new_engine();
let mut completer = NuCompleter::new(std::sync::Arc::new(engine), stack);
let target_dir = "thiscommanddoesnotexist ";
let suggestions = completer.complete(target_dir, target_dir.len());
#[cfg(windows)]
let expected_paths: Vec<String> = vec![
"nushell".to_string(),
"test_a\\".to_string(),
"test_b\\".to_string(),
"another\\".to_string(),
"custom_completion.nu".to_string(),
".hidden_file".to_string(),
".hidden_folder\\".to_string(),
];
#[cfg(not(windows))]
let expected_paths: Vec<String> = vec![
"nushell".to_string(),
"test_a/".to_string(),
"test_b/".to_string(),
"another/".to_string(),
"custom_completion.nu".to_string(),
".hidden_file".to_string(),
".hidden_folder/".to_string(),
];
match_suggestions(expected_paths, suggestions)
}