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

use nu_test_support::fs::Stub::EmptyFile;
use nu_test_support::playground::Playground;
use nu_test_support::{nu, pipeline};

#[test]
fn creates_the_resulting_string_from_the_given_fields() {
    let actual = nu!(
        cwd: "tests/fixtures/formats", pipeline(
        r#"
        open cargo_sample.toml
            | get package
            | format "{name} has license {license}"
        "#
    ));

    assert_eq!(actual.out, "nu has license ISC");
}

#[test]
fn given_fields_can_be_column_paths() {
    let actual = nu!(
        cwd: "tests/fixtures/formats", pipeline(
        r#"
        open cargo_sample.toml
            | format "{package.name} is {package.description}"
        "#
    ));

    assert_eq!(actual.out, "nu is a new type of shell");
}

#[test]
fn can_use_variables() {
    let actual = nu!(
        cwd: "tests/fixtures/formats", pipeline(
        r#"
        open cargo_sample.toml
            | format "{$it.package.name} is {$it.package.description}"
        "#
    ));

    assert_eq!(actual.out, "nu is a new type of shell");
}

#[test]
fn format_filesize_works() {
    Playground::setup("format_filesize_test_1", |dirs, sandbox| {
        sandbox.with_files(vec![
            EmptyFile("yehuda.txt"),
            EmptyFile("jonathan.txt"),
            EmptyFile("andres.txt"),
        ]);

        let actual = nu!(
            cwd: dirs.test(), pipeline(
            r#"
                ls
                | format filesize size KB
                | get size
                | first
            "#
        ));

        assert_eq!(actual.out, "0.01 KB");
    })
}