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

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use nu_test_support::fs::Stub::FileWithContentToBeTrimmed;
use nu_test_support::playground::Playground;
use nu_test_support::{nu, pipeline};
#[test]
fn removes_duplicate_rows() {
Playground::setup("uniq_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
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
| uniq
| length
"#
));
assert_eq!(actual.out, "3");
})
}
#[test]
fn uniq_values() {
Playground::setup("uniq_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
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
| select type
| uniq
| length
"#
));
assert_eq!(actual.out, "2");
})
}
#[test]
fn nested_json_structures() {
Playground::setup("uniq_test_3", |dirs, sandbox| {
sandbox.with_files(vec![FileWithContentToBeTrimmed(
"nested_json_structures.json",
r#"
[
{
"name": "this is duplicated",
"nesting": [ { "a": "a", "b": "b" },
{ "c": "c", "d": "d" }
],
"can_be_ordered_differently": {
"array": [1, 2, 3, 4, 5],
"something": { "else": "works" }
}
},
{
"can_be_ordered_differently": {
"something": { "else": "works" },
"array": [1, 2, 3, 4, 5]
},
"nesting": [ { "b": "b", "a": "a" },
{ "d": "d", "c": "c" }
],
"name": "this is duplicated"
},
{
"name": "this is unique",
"nesting": [ { "a": "b", "b": "a" },
{ "c": "d", "d": "c" }
],
"can_be_ordered_differently": {
"array": [],
"something": { "else": "does not work" }
}
},
{
"name": "this is unique",
"nesting": [ { "a": "a", "b": "b", "c": "c" },
{ "d": "d", "e": "e", "f": "f" }
],
"can_be_ordered_differently": {
"array": [],
"something": { "else": "works" }
}
}
]
"#,
)]);
let actual = nu!(
cwd: dirs.test(), pipeline(
r#"
open nested_json_structures.json
| uniq
| length
"#
));
assert_eq!(actual.out, "3");
})
}
#[test]
fn uniq_when_keys_out_of_order() {
let actual = nu!(
cwd: "tests/fixtures/formats", pipeline(
r#"
echo '[{"a": "a", "b": [1,2,3]},{"b": [1,2,3], "a": "a"}]'
| from json
| uniq
| length
"#
));
assert_eq!(actual.out, "1");
}
#[test]
fn uniq_counting() {
let actual = nu!(
cwd: "tests/fixtures/formats", pipeline(
r#"
echo '["A", "B", "A"]'
| from json
| wrap item
| uniq --count
| where item == A
| get count
"#
));
assert_eq!(actual.out, "2");
let actual = nu!(
cwd: "tests/fixtures/formats", pipeline(
r#"
echo '["A", "B", "A"]'
| from json
| wrap item
| uniq --count
| where item == B
| get count
"#
));
assert_eq!(actual.out, "1");
}
#[test]
fn uniq_unique() {
let actual = nu!(
cwd: "tests/fixtures/formats", pipeline(
r#"
echo [1 2 3 4 1 5]
| uniq --unique
"#
));
let expected = nu!(
cwd: "tests/fixtures/formats", pipeline(
r#"
echo [2 3 4 5]
"#
));
print!("{}", actual.out);
print!("{}", expected.out);
assert_eq!(actual.out, expected.out);
}
#[test]
fn uniq_simple_vals_ints() {
let actual = nu!(
cwd: "tests/fixtures/formats", pipeline(
r#"
echo [1 2 3 4 1 5]
| uniq
"#
));
let expected = nu!(
cwd: "tests/fixtures/formats", pipeline(
r#"
echo [1 2 3 4 5]
"#
));
print!("{}", actual.out);
print!("{}", expected.out);
assert_eq!(actual.out, expected.out);
}
#[test]
fn uniq_simple_vals_strs() {
let actual = nu!(
cwd: "tests/fixtures/formats", pipeline(
r#"
echo [A B C A]
| uniq
"#
));
let expected = nu!(
cwd: "tests/fixtures/formats", pipeline(
r#"
echo [A B C]
"#
));
print!("{}", actual.out);
print!("{}", expected.out);
assert_eq!(actual.out, expected.out);
}