nushell/tests/commands/group_by.rs

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use test_support::fs::Stub::FileWithContentToBeTrimmed;
use test_support::playground::Playground;
use test_support::{nu, nu_error, 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"
| count
| echo $it
"#
));
assert_eq!(actual, "2");
})
}
#[test]
fn errors_if_given_unknown_column_name_is_missing() {
Playground::setup("group_by_test_2", |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_error!(
cwd: dirs.test(), pipeline(
r#"
open los_tres_caballeros.csv
| group-by ttype
"#
));
assert!(actual.contains("Unknown column"));
})
}