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

use nu_test_support::{nu, pipeline};

#[test]
fn sets_the_column() {
    let actual = nu!(
        cwd: "tests/fixtures/formats", pipeline(
        r#"
            open cargo_sample.toml
            | upsert dev-dependencies.pretty_assertions "0.7.0"
            | get dev-dependencies.pretty_assertions
        "#
    ));

    assert_eq!(actual.out, "0.7.0");
}

#[test]
fn doesnt_convert_record_to_table() {
    let actual = nu!("{a:1} | upsert a 2 | to nuon");
    assert_eq!(actual.out, "{a: 2}");
}

#[test]
fn sets_the_column_from_a_block_full_stream_output() {
    let actual = nu!(
        cwd: "tests/fixtures/formats", pipeline(
        r#"
            {content: null}
            | upsert content {|| open --raw cargo_sample.toml | lines | first 5 }
            | get content.1
            | str contains "nu"
        "#
    ));

    assert_eq!(actual.out, "true");
}

#[test]
fn sets_the_column_from_a_subexpression() {
    let actual = nu!(
        cwd: "tests/fixtures/formats", pipeline(
        r#"
            {content: null}
            | upsert content (open --raw cargo_sample.toml | lines | first 5)
            | get content.1
            | str contains "nu"
        "#
    ));

    assert_eq!(actual.out, "true");
}

#[test]
fn upsert_uses_enumerate_index_inserting() {
    let actual = nu!(
        "[[a]; [7] [6]] | enumerate | upsert b {|el| $el.index + 1 + $el.item.a } | flatten | to nuon"
    );

    assert_eq!(actual.out, "[[index, a, b]; [0, 7, 8], [1, 6, 8]]");
}

#[test]
fn upsert_uses_enumerate_index_updating() {
    let actual = nu!("[[a]; [7] [6]] | enumerate | upsert a {|el| $el.index + 1 + $el.item.a } | flatten | to nuon");

    assert_eq!(actual.out, "[[index, a]; [0, 8], [1, 8]]");
}

#[test]
fn index_does_not_exist() {
    let actual = nu!("[1,2,3] | upsert 4 4");

    assert!(actual.err.contains("index too large (max: 3)"));
}

#[test]
fn upsert_empty() {
    let actual = nu!("[] | upsert 1 1");

    assert!(actual.err.contains("index too large (max: 0)"));
}

#[test]
fn upsert_support_lazy_record() {
    let actual =
        nu!(r#"let x = (lazy make -c ["h"] -g {|a| $a | str upcase}); $x | upsert h 10 | get h"#);
    assert_eq!(actual.out, "10");

    let actual =
        nu!(r#"let x = (lazy make -c ["h"] -g {|a| $a | str upcase}); $x | upsert aa 10 | get aa"#);
    assert_eq!(actual.out, "10");
}