nushell/tests/shell/pipeline/commands/external.rs

use nu_test_support::{nu, nu_error};

#[test]
fn shows_error_for_command_that_fails() {
    let actual = nu_error!(
        cwd: ".",
        "fail"
    );

    assert!(actual.contains("External command failed"));
}

#[test]
fn shows_error_for_command_not_found() {
    let actual = nu_error!(
        cwd: ".",
        "ferris_is_not_here.exe"
    );

    assert!(actual.contains("External command failed"));
}

mod it_evaluation {
    use super::nu;
    use nu_test_support::fs::Stub::{EmptyFile, FileWithContentToBeTrimmed};
    use nu_test_support::{pipeline, playground::Playground};

    #[test]
    fn takes_rows_of_nu_value_strings() {
        Playground::setup("it_argument_test_1", |dirs, sandbox| {
            sandbox.with_files(vec![
                EmptyFile("jonathan_likes_cake.txt"),
                EmptyFile("andres_likes_arepas.txt"),
            ]);

            let actual = nu!(
            cwd: dirs.test(), pipeline(
            r#"
                ls
                | sort-by name
                | get name
                | cococo $it
                | lines
                | nth 1
                | echo $it
                "#
            ));

            assert_eq!(actual, "jonathan_likes_cake.txt");
        })
    }

    #[test]
    fn takes_rows_of_nu_value_lines() {
        Playground::setup("it_argument_test_2", |dirs, sandbox| {
            sandbox.with_files(vec![FileWithContentToBeTrimmed(
                "nu_candies.txt",
                r#"
                    AndrásWithKitKatzz
                    AndrásWithKitKatz
                "#,
            )]);

            let actual = nu!(
            cwd: dirs.test(), pipeline(
            r#"
                open nu_candies.txt
                | lines
                | chop $it
                | lines
                | nth 1
                | echo $it
                "#
            ));

            assert_eq!(actual, "AndrásWithKitKat");
        })
    }
}

mod tilde_expansion {
    use super::nu;

    #[test]
    fn as_home_directory_when_passed_as_argument_and_begins_with_tilde() {
        let actual = nu!(
            cwd: ".",
            r#"
            cococo ~
        "#
        );

        assert!(
            !actual.contains('~'),
            format!("'{}' should not contain ~", actual)
        );
    }

    #[test]
    fn does_not_expand_when_passed_as_argument_and_does_not_start_with_tilde() {
        let actual = nu!(
            cwd: ".",
            r#"
                    cococo "1~1"
                "#
        );

        assert_eq!(actual, "1~1");
    }
}