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

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use nu_test_support::{nu, pipeline};
#[test]
fn insert_the_column() {
let actual = nu!(
cwd: "tests/fixtures/formats", pipeline(
r#"
open cargo_sample.toml
| insert dev-dependencies.new_assertions "0.7.0"
| get dev-dependencies.new_assertions
"#
));
assert_eq!(actual.out, "0.7.0");
}
#[test]
fn doesnt_convert_record_to_table() {
let actual = nu!(
cwd: ".", r#"{a:1} | insert b 2 | to nuon"#
);
assert_eq!(actual.out, "{a: 1, b: 2}");
}
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#[test]
fn insert_the_column_conflict() {
let actual = nu!(
cwd: "tests/fixtures/formats", pipeline(
r#"
open cargo_sample.toml
| insert dev-dependencies.pretty_assertions "0.7.0"
"#
));
assert!(actual
.err
.contains("column 'pretty_assertions' already exists"));
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}
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#[test]
fn insert_into_list() {
let actual = nu!(
cwd: ".", pipeline(
r#"
[1, 2, 3] | insert 1 abc | to json -r
"#
));
assert_eq!(actual.out, r#"[1,"abc",2,3]"#);
}
#[test]
fn insert_into_list_begin() {
let actual = nu!(
cwd: ".", pipeline(
r#"
[1, 2, 3] | insert 0 abc | to json -r
"#
));
assert_eq!(actual.out, r#"["abc",1,2,3]"#);
}
#[test]
fn insert_into_list_end() {
let actual = nu!(
cwd: ".", pipeline(
r#"
[1, 2, 3] | insert 3 abc | to json -r
"#
));
assert_eq!(actual.out, r#"[1,2,3,"abc"]"#);
}
#[test]
fn insert_past_end_list() {
let actual = nu!(
cwd: ".", pipeline(
r#"
[1, 2, 3] | insert 5 abc | to json -r
"#
));
assert_eq!(actual.out, r#"[1,2,3,null,null,"abc"]"#);
}
#[test]
fn uses_optional_index_argument() {
let actual = nu!(
cwd: ".", pipeline(
r#"[[a]; [7] [6]] | insert b {|el ind| $ind + 1 + $el.a } | to nuon"#
));
assert_eq!(actual.out, "[[a, b]; [7, 8], [6, 8]]");
}