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

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pub mod support;
use nu_cli::NuCompleter;
use reedline::Completer;
use support::{match_suggestions, new_engine};
#[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.".into(), 4);
assert_eq!(8, suggestions.len());
let expected: Vec<String> = vec![
"config-path".into(),
"env-path".into(),
"history-path".into(),
"home-path".into(),
"os-info".into(),
"pid".into(),
"scope".into(),
"temp-path".into(),
];
// Match results
match_suggestions(expected, suggestions);
// Test completions for custom var
let suggestions = completer.complete("$actor.".into(), 7);
assert_eq!(2, suggestions.len());
let expected: Vec<String> = vec!["age".into(), "name".into()];
// Match results
match_suggestions(expected, suggestions);
// Test completions for $env
let suggestions = completer.complete("$env.".into(), 5);
assert_eq!(1, suggestions.len());
let expected: Vec<String> = vec!["PWD".into()];
// Match results
match_suggestions(expected, suggestions);
}