nushell/crates/nu-command/tests/commands/empty.rs
John-Goff c13fe83784
Rename count to length (#3166)
* update docs to refer to length instead of count

* rename count to length

* change all occurrences of 'count' to 'length' in tests

* format length command
2021-03-14 10:46:40 +13:00

87 lines
2.2 KiB
Rust

use nu_test_support::{nu, pipeline};
#[test]
fn reports_emptiness() {
let actual = nu!(
cwd: ".", pipeline(
r#"
echo [[are_empty];
[$(= [[check]; [[]] ])]
[$(= [[check]; [""] ])]
[$(= [[check]; [$(wrap)] ])]
]
| get are_empty
| empty? check
| where check
| length
"#
));
assert_eq!(actual.out, "3");
}
#[test]
fn sets_block_run_value_for_an_empty_column() {
let actual = nu!(
cwd: ".", pipeline(
r#"
echo [
[ first_name, last_name, rusty_at, likes ];
[ Andrés, Robalino, 10/11/2013, 1 ]
[ Jonathan, Turner, 10/12/2013, 1 ]
[ Jason, Gedge, 10/11/2013, 1 ]
[ Yehuda, Katz, 10/11/2013, '' ]
]
| empty? likes { = 1 }
| get likes
| math sum
"#
));
assert_eq!(actual.out, "4");
}
#[test]
fn sets_block_run_value_for_many_empty_columns() {
let actual = nu!(
cwd: ".", pipeline(
r#"
echo [
[ boost check ];
[ 1, [] ]
[ 1, "" ]
[ 1, $(wrap) ]
]
| empty? boost check { = 1 }
| get boost check
| math sum
"#
));
assert_eq!(actual.out, "6");
}
#[test]
fn passing_a_block_will_set_contents_on_empty_cells_and_leave_non_empty_ones_untouched() {
let actual = nu!(
cwd: ".", pipeline(
r#"
echo [
[ NAME, LVL, HP ];
[ Andrés, 30, 3000 ]
[ Alistair, 29, 2900 ]
[ Arepas, "", "" ]
[ Jorge, 30, 3000 ]
]
| empty? LVL { = 9 }
| empty? HP {
= $it.LVL * 1000
}
| math sum
| get HP
"#
));
assert_eq!(actual.out, "17900");
}