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use ansi_term::Style;
use users::Users;
use crate::fs::fields as f;
use crate::output::cell::TextCell;
impl f::User {
pub fn render<C: Colours, U: Users>(self, colours: &C, users: &U) -> TextCell {
let user_name = match users.get_user_by_uid(self.0) {
Some(user) => user.name().to_string_lossy().into(),
None => self.0.to_string(),
};
let style = if users.get_current_uid() == self.0 { colours.you() }
else { colours.someone_else() };
TextCell::paint(style, user_name)
}
}
pub trait Colours {
fn you(&self) -> Style;
fn someone_else(&self) -> Style;
}
#[cfg(test)]
#[allow(unused_results)]
pub mod test {
use super::Colours;
use crate::fs::fields as f;
use crate::output::cell::TextCell;
use users::User;
use users::mock::MockUsers;
use ansi_term::Colour::*;
use ansi_term::Style;
struct TestColours;
impl Colours for TestColours {
fn you(&self) -> Style { Red.bold() }
fn someone_else(&self) -> Style { Blue.underline() }
}
#[test]
fn named() {
let mut users = MockUsers::with_current_uid(1000);
users.add_user(User::new(1000, "enoch", 100));
let user = f::User(1000);
let expected = TextCell::paint_str(Red.bold(), "enoch");
assert_eq!(expected, user.render(&TestColours, &users))
}
#[test]
fn unnamed() {
let users = MockUsers::with_current_uid(1000);
let user = f::User(1000);
let expected = TextCell::paint_str(Red.bold(), "1000");
assert_eq!(expected, user.render(&TestColours, &users));
}
#[test]
fn different_named() {
let mut users = MockUsers::with_current_uid(0);
users.add_user(User::new(1000, "enoch", 100));
let user = f::User(1000);
let expected = TextCell::paint_str(Blue.underline(), "enoch");
assert_eq!(expected, user.render(&TestColours, &users));
}
#[test]
fn different_unnamed() {
let user = f::User(1000);
let expected = TextCell::paint_str(Blue.underline(), "1000");
assert_eq!(expected, user.render(&TestColours, &MockUsers::with_current_uid(0)));
}
#[test]
fn overflow() {
let user = f::User(2_147_483_648);
let expected = TextCell::paint_str(Blue.underline(), "2147483648");
assert_eq!(expected, user.render(&TestColours, &MockUsers::with_current_uid(0)));
}
}
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