nushell/crates/nu-command/tests/commands/nth.rs

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2022-02-04 21:08:25 +01:00
use nu_test_support::fs::Stub::EmptyFile;
use nu_test_support::playground::Playground;
use nu_test_support::{nu, pipeline};
#[test]
fn selects_a_row() {
Playground::setup("nth_test_1", |dirs, sandbox| {
sandbox.with_files(vec![EmptyFile("notes.txt"), EmptyFile("arepas.txt")]);
let actual = nu!(
cwd: dirs.test(), pipeline(
r#"
ls
| sort-by name
| nth 0
| get name
"#
));
assert_eq!(actual.out, "arepas.txt");
});
}
#[test]
fn selects_many_rows() {
Playground::setup("nth_test_2", |dirs, sandbox| {
sandbox.with_files(vec![EmptyFile("notes.txt"), EmptyFile("arepas.txt")]);
let actual = nu!(
cwd: dirs.test(), pipeline(
r#"
ls
| get name
| nth 1 0
| length
"#
));
assert_eq!(actual.out, "2");
});
}