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

use nu_test_support::{nu, pipeline};

#[test]
fn checks_all_rows_are_true() {
    let actual = nu!(pipeline(
        r#"
            echo  [ "Andrés", "Andrés", "Andrés" ]
            | all {|it| $it == "Andrés" }
        "#
    ));

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

#[test]
fn checks_all_rows_are_false_with_param() {
    let actual = nu!(" [1, 2, 3, 4] | all { |a| $a >= 5 } ");

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

#[test]
fn checks_all_rows_are_true_with_param() {
    let actual = nu!(" [1, 2, 3, 4] | all { |a| $a < 5 } ");

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

#[test]
fn checks_all_columns_of_a_table_is_true() {
    let actual = nu!(pipeline(
        "
            echo [
                    [  first_name, last_name,   rusty_at, likes  ];
                    [      Andrés,  Robalino, '10/11/2013',   1    ]
                    [    JT,    Turner, '10/12/2013',   1    ]
                    [      Darren, Schroeder, '10/11/2013',   1    ]
                    [      Yehuda,      Katz, '10/11/2013',   1    ]
            ]
            | all {|x| $x.likes > 0 }
        "
    ));

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

#[test]
fn checks_if_all_returns_error_with_invalid_command() {
    // Using `with-env` to remove `st` possibly being an external program
    let actual = nu!(pipeline(
        r#"
            with-env {PATH: ""} {
                [red orange yellow green blue purple] | all {|it| ($it | st length) > 4 }
            }
        "#
    ));

    assert!(actual.err.contains("can't run executable") || actual.err.contains("did you mean"));
}

#[test]
fn works_with_1_param_blocks() {
    let actual = nu!("[1 2 3] | all {|e| print $e | true }");

    assert_eq!(actual.out, "123true");
}

#[test]
fn works_with_0_param_blocks() {
    let actual = nu!("[1 2 3] | all {|| print $in | true }");

    assert_eq!(actual.out, "123true");
}

#[test]
fn early_exits_with_1_param_blocks() {
    let actual = nu!("[1 2 3] | all {|e| print $e | false }");

    assert_eq!(actual.out, "1false");
}

#[test]
fn early_exits_with_0_param_blocks() {
    let actual = nu!("[1 2 3] | all {|| print $in | false }");

    assert_eq!(actual.out, "1false");
}

#[test]
fn all_uses_enumerate_index() {
    let actual = nu!("[7 8 9] | enumerate | all {|el| print $el.index | true }");

    assert_eq!(actual.out, "012true");
}

#[test]
fn unique_env_each_iteration() {
    let actual = nu!(
        cwd: "tests/fixtures/formats",
        "[1 2] | all {|| print ($env.PWD | str ends-with 'formats') | cd '/' | true } | to nuon"
    );

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