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Ensure selection of columns are done once per column (#3012)

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This commit is contained in:
Andrés N. Robalino
2021-02-05 19:34:26 -05:00
committed by GitHub
parent 6f17662a4e
commit a5fefaf78b
20 changed files with 131 additions and 158 deletions
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120
crates/nu-command/tests/commands/select.rs
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@ -4,29 +4,22 @@ use nu_test_support::{nu, pipeline};
#[test]
fn regular_columns() {
Playground::setup("select_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: ".", pipeline(
r#"
echo [
[first_name, last_name, rusty_at, type];
let actual = nu!(
cwd: dirs.test(), pipeline(
r#"
open los_tres_caballeros.csv
| select rusty_at last_name
| nth 0
| get last_name
"#
));
[Andrés Robalino 10/11/2013 A]
[Jonathan Turner 10/12/2013 B]
[Yehuda Katz 10/11/2013 A]
]
| select rusty_at last_name
| nth 0
| get last_name
"#
));
assert_eq!(actual.out, "Robalino");
})
assert_eq!(actual.out, "Robalino");
}
#[test]
@ -73,52 +66,57 @@ fn complex_nested_columns() {
#[test]
fn allows_if_given_unknown_column_name_is_missing() {
Playground::setup("select_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: ".", pipeline(
r#"
echo [
[first_name, last_name, rusty_at, type];
let actual = nu!(
cwd: dirs.test(), pipeline(
r#"
open los_tres_caballeros.csv
| select rrusty_at first_name
| count
"#
));
[Andrés Robalino 10/11/2013 A]
[Jonathan Turner 10/12/2013 B]
[Yehuda Katz 10/11/2013 A]
]
| select rrusty_at first_name
| count
"#
));
assert_eq!(actual.out, "3");
})
assert_eq!(actual.out, "3");
}
#[test]
fn column_names_with_spaces() {
Playground::setup("select_test_4", |dirs, sandbox| {
sandbox.with_files(vec![FileWithContentToBeTrimmed(
"test_data.csv",
r#"
first name,last name
Jonathan,Turner
Jonathan,Arns
"#,
)]);
let actual = nu!(cwd: ".", pipeline(
r#"
echo [
["first name", "last name"];
let actual = nu!(
cwd: dirs.test(), pipeline(
r#"
open test_data.csv
| select "last name"
| to json
"#
));
[Andrés Robalino]
[Andrés Jnth]
]
| select "last name"
| get "last name"
| str collect " "
"#
));
let expected_output = r#"[{"last name":"Turner"},{"last name":"Arns"}]"#;
assert_eq!(actual.out, expected_output);
})
assert_eq!(actual.out, "Robalino Jnth");
}
#[test]
fn ignores_duplicate_columns_selected() {
let actual = nu!(cwd: ".", pipeline(
r#"
echo [
["first name", "last name"];
[Andrés Robalino]
[Andrés Jnth]
]
| select "first name" "last name" "first name"
| get
| str collect " "
"#
));
assert_eq!(actual.out, "first name last name");
}