lx-ls 0.10.1

The file lister with personality! 🌟
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use nu_ansi_term::Style;

use crate::fs::fields as f;
use crate::output::cell::TextCell;

impl f::OctalPermissions {
    fn bits_to_octal(r: bool, w: bool, x: bool) -> u8 {
        u8::from(r) * 4 + u8::from(w) * 2 + u8::from(x)
    }

    pub fn render(&self, style: Style) -> TextCell {
        let perm = &self.permissions;
        let octal_sticky = Self::bits_to_octal(perm.setuid, perm.setgid, perm.sticky);
        let octal_owner = Self::bits_to_octal(perm.user_read, perm.user_write, perm.user_execute);
        let octal_group =
            Self::bits_to_octal(perm.group_read, perm.group_write, perm.group_execute);
        let octal_other =
            Self::bits_to_octal(perm.other_read, perm.other_write, perm.other_execute);

        TextCell::paint(
            style,
            format!("{octal_sticky}{octal_owner}{octal_group}{octal_other}"),
        )
    }
}

#[cfg(test)]
pub mod test {
    use crate::fs::fields as f;
    use crate::output::cell::TextCell;

    use nu_ansi_term::Color::*;

    #[test]
    fn normal_folder() {
        let bits = f::Permissions {
            user_read: true,
            user_write: true,
            user_execute: true,
            setuid: false,
            group_read: true,
            group_write: false,
            group_execute: true,
            setgid: false,
            other_read: true,
            other_write: false,
            other_execute: true,
            sticky: false,
        };

        let octal = f::OctalPermissions { permissions: bits };

        let expected = TextCell::paint_str(Purple.bold(), "0755");
        assert_eq!(expected, octal.render(Purple.bold()));
    }

    #[test]
    fn normal_file() {
        let bits = f::Permissions {
            user_read: true,
            user_write: true,
            user_execute: false,
            setuid: false,
            group_read: true,
            group_write: false,
            group_execute: false,
            setgid: false,
            other_read: true,
            other_write: false,
            other_execute: false,
            sticky: false,
        };

        let octal = f::OctalPermissions { permissions: bits };

        let expected = TextCell::paint_str(Purple.bold(), "0644");
        assert_eq!(expected, octal.render(Purple.bold()));
    }

    #[test]
    fn secret_file() {
        let bits = f::Permissions {
            user_read: true,
            user_write: true,
            user_execute: false,
            setuid: false,
            group_read: false,
            group_write: false,
            group_execute: false,
            setgid: false,
            other_read: false,
            other_write: false,
            other_execute: false,
            sticky: false,
        };

        let octal = f::OctalPermissions { permissions: bits };

        let expected = TextCell::paint_str(Purple.bold(), "0600");
        assert_eq!(expected, octal.render(Purple.bold()));
    }

    #[test]
    fn sticky1() {
        let bits = f::Permissions {
            user_read: true,
            user_write: true,
            user_execute: true,
            setuid: true,
            group_read: true,
            group_write: true,
            group_execute: true,
            setgid: false,
            other_read: true,
            other_write: true,
            other_execute: true,
            sticky: false,
        };

        let octal = f::OctalPermissions { permissions: bits };

        let expected = TextCell::paint_str(Purple.bold(), "4777");
        assert_eq!(expected, octal.render(Purple.bold()));
    }

    #[test]
    fn sticky2() {
        let bits = f::Permissions {
            user_read: true,
            user_write: true,
            user_execute: true,
            setuid: false,
            group_read: true,
            group_write: true,
            group_execute: true,
            setgid: true,
            other_read: true,
            other_write: true,
            other_execute: true,
            sticky: false,
        };

        let octal = f::OctalPermissions { permissions: bits };

        let expected = TextCell::paint_str(Purple.bold(), "2777");
        assert_eq!(expected, octal.render(Purple.bold()));
    }

    #[test]
    fn sticky3() {
        let bits = f::Permissions {
            user_read: true,
            user_write: true,
            user_execute: true,
            setuid: false,
            group_read: true,
            group_write: true,
            group_execute: true,
            setgid: false,
            other_read: true,
            other_write: true,
            other_execute: true,
            sticky: true,
        };

        let octal = f::OctalPermissions { permissions: bits };

        let expected = TextCell::paint_str(Purple.bold(), "1777");
        assert_eq!(expected, octal.render(Purple.bold()));
    }
}