Files
rust-otus/smart-house/src/room.rs

109 lines
3.3 KiB
Rust

use crate::Device;
use std::collections::HashMap;
#[derive(Debug)]
pub struct Room {
name: String,
devices: HashMap<String, Device>,
}
impl Room {
pub fn new(name: impl AsRef<str>, devices: Box<[Device]>) -> Self {
let devices = devices.into_iter().map(|d| (d.get_name().to_string(), d)).collect();
Self {
name: name.as_ref().to_string(),
devices,
}
}
pub fn get_name(&self) -> &str {
&self.name
}
pub fn get_device(&self, key: &str) -> Option<&Device> {
self.devices.get(key)
}
pub fn get_device_mut(&mut self, key: &str) -> Option<&mut Device> {
self.devices.get_mut(key)
}
pub fn insert_device(&mut self, device: Device) -> Option<Device> {
self.devices.insert(device.get_name().to_string(), device)
}
pub fn remove_device(&mut self, key: &str) -> Option<Device> {
self.devices.remove(key)
}
pub fn print_status(&self) {
println!("ROOM '{}':", self.name);
println!("{}", "-".repeat(24));
for (_, device) in self.devices.iter() {
device.print_status();
}
}
}
#[cfg(test)]
mod tests {
use super::*;
use crate::{PowerSocket, Thermometer};
#[test]
fn smoke_test() {
let devices = Box::new([
Device::PowerSocket(PowerSocket::new("PSoc", 12.34, false)),
Device::Thermometer(Thermometer::new("Therm", 21.56)),
]);
let mut room = Room::new("test_room", devices);
assert_eq!(room.name, "test_room");
assert_eq!(room.get_name(), "test_room");
room.print_status();
assert_eq!(format!("{}", room.get_device("PSoc").unwrap().display()), "DEV:PSoc[ OFF : 0.0 ]");
assert_eq!(format!("{}", room.get_device("Therm").unwrap().display()), "DEV:Therm[ 21.6 ]");
let Device::PowerSocket(power_socket) = room.get_device_mut("PSoc").unwrap() else {
unreachable!()
};
power_socket.set_on(true);
assert_eq!(format!("{}", room.get_device("PSoc").unwrap().display()), "DEV:PSoc[ ON : 12.3 ]");
assert_eq!(format!("{}", room.get_device("Therm").unwrap().display()), "DEV:Therm[ 21.6 ]");
}
#[test]
fn check_out_of_bounds() {
let room = Room::new(
"test_room",
Box::new([
Device::PowerSocket(PowerSocket::new("PSoc", 12.34, false)),
Device::Thermometer(Thermometer::new("Therm", 21.56)),
]),
);
assert!(room.get_device("dummy").is_none());
}
#[test]
fn test_add_remove() {
let mut room = Room::new(
"test_room",
Box::new([
Device::PowerSocket(PowerSocket::new("PSoc", 12.34, false)),
Device::Thermometer(Thermometer::new("Therm", 21.56)),
]),
);
let result = room.insert_device(Device::Thermometer(Thermometer::new("NewTerm", 20.0)));
assert!(result.is_none());
assert_eq!(room.devices.len(), 3);
let Some(Device::Thermometer(removed)) = room.remove_device("Therm") else {
unreachable!()
};
assert_eq!(removed.get_name(), "Therm");
assert_eq!(removed.get_temperature(), 21.56);
assert_eq!(room.devices.len(), 2);
}
}