nushell/crates/nu-command/tests/commands/group_by.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

98 lines
2.8 KiB
Rust

use nu_test_support::fs::Stub::FileWithContentToBeTrimmed;
use nu_test_support::playground::Playground;
use nu_test_support::{nu, pipeline};
#[test]
fn groups() {
Playground::setup("group_by_test_1", |dirs, sandbox| {
sandbox.with_files(vec![FileWithContentToBeTrimmed(
"los_tres_caballeros.csv",
r#"
first_name,last_name,rusty_at,type
Andrés,Robalino,10/11/2013,A
Jonathan,Turner,10/12/2013,B
Yehuda,Katz,10/11/2013,A
"#,
)]);
let actual = nu!(
cwd: dirs.test(), pipeline(
r#"
open los_tres_caballeros.csv
| group-by rusty_at
| get "10/11/2013"
| length
"#
));
assert_eq!(actual.out, "2");
})
}
#[test]
fn errors_if_given_unknown_column_name() {
Playground::setup("group_by_test_2", |dirs, sandbox| {
sandbox.with_files(vec![FileWithContentToBeTrimmed(
"los_tres_caballeros.json",
r#"
{
"nu": {
"committers": [
{"name": "Andrés N. Robalino"},
{"name": "Jonathan Turner"},
{"name": "Yehuda Katz"}
],
"releases": [
{"version": "0.2"}
{"version": "0.8"},
{"version": "0.9999999"}
],
"0xATYKARNU": [
["Th", "e", " "],
["BIG", " ", "UnO"],
["punto", "cero"]
]
}
}
"#,
)]);
let actual = nu!(
cwd: dirs.test(), pipeline(
r#"
open los_tres_caballeros.json
| group-by { get nu.releases.version }
"#
));
assert!(actual
.err
.contains("requires a table with one value for grouping"));
})
}
#[test]
fn errors_if_block_given_evaluates_more_than_one_row() {
Playground::setup("group_by_test_3", |dirs, sandbox| {
sandbox.with_files(vec![FileWithContentToBeTrimmed(
"los_tres_caballeros.csv",
r#"
first_name,last_name,rusty_at,type
Andrés,Robalino,10/11/2013,A
Jonathan,Turner,10/12/2013,B
Yehuda,Katz,10/11/2013,A
"#,
)]);
let actual = nu!(
cwd: dirs.test(), pipeline(
r#"
open los_tres_caballeros.csv
| group-by ttype
"#
));
assert!(actual.err.contains("Unknown column"));
})
}