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

128 lines
3.7 KiB
Rust

use crate::Room;
use std::collections::HashMap;
#[derive(Debug)]
pub struct House {
address: String,
rooms: HashMap<String, Room>,
}
impl House {
pub fn new(address: impl AsRef<str>, rooms: Box<[Room]>) -> Self {
let rooms = rooms.into_iter().map(|r| (r.get_name().to_string(), r)).collect();
Self {
address: address.as_ref().to_string(),
rooms,
}
}
pub fn get_address(&self) -> &str {
&self.address
}
pub fn get_room(&self, key: &str) -> Option<&Room> {
self.rooms.get(key)
}
pub fn get_room_mut(&mut self, key: &str) -> Option<&mut Room> {
self.rooms.get_mut(key)
}
pub fn insert_room(&mut self, room: Room) -> Option<Room> {
self.rooms.insert(room.get_name().to_string(), room)
}
pub fn remove_room(&mut self, key: &str) -> Option<Room> {
self.rooms.remove(key)
}
pub fn print_status(&self) {
println!("HOUSE '{}':", self.address);
println!("{}", "=".repeat(32));
for (_, room) in self.rooms.iter() {
room.print_status();
println!();
}
}
}
#[cfg(test)]
mod tests {
use super::*;
use crate::{Device, PowerSocket, Thermometer};
fn create_test_house() -> House {
House::new(
"Best street, 777",
Box::new([
Room::new(
"main",
Box::new([
Device::Thermometer(Thermometer::new("ThermA", 20.0)),
Device::PowerSocket(PowerSocket::new("PSocA", 12.34, false)),
Device::PowerSocket(PowerSocket::new("PSocB", 10.01, true)),
]),
),
Room::new(
"bedroom",
Box::new([
Device::PowerSocket(PowerSocket::new("PSocC", 11.11, true)),
Device::Thermometer(Thermometer::new("ThermB", 17.99)),
]),
),
]),
)
}
#[test]
fn smoke_test() {
let mut house = create_test_house();
house.print_status();
assert_eq!(house.address, "Best street, 777");
assert_eq!(house.get_address(), "Best street, 777");
assert_eq!(
format!("{}", house.get_room("main").unwrap().get_device("ThermA").unwrap().display()),
"DEV:ThermA[ 20.0 ]"
);
assert_eq!(
format!("{}", house.get_room("main").unwrap().get_device("PSocA").unwrap().display()),
"DEV:PSocA[ OFF : 0.0 ]"
);
assert_eq!(
format!("{}", house.get_room("bedroom").unwrap().get_device("PSocC").unwrap().display()),
"DEV:PSocC[ ON : 11.1 ]"
);
let Device::PowerSocket(powers_socket) = house.get_room_mut("main").unwrap().get_device_mut("PSocA").unwrap() else {
unreachable!()
};
powers_socket.set_on(true);
assert_eq!(
format!("{}", house.get_room("main").unwrap().get_device("PSocA").unwrap().display()),
"DEV:PSocA[ ON : 12.3 ]"
);
}
#[test]
fn check_out_of_bounds() {
let house = create_test_house();
assert!(house.get_room("absent").is_none());
}
#[test]
fn test_add_remove() {
let mut house = create_test_house();
let room = Room::new("empty", Box::new([]));
let result = house.insert_room(room);
assert!(result.is_none());
assert_eq!(house.rooms.len(), 3);
let Some(result) = house.remove_room("bedroom") else { unreachable!() };
assert_eq!(result.get_name(), "bedroom");
assert_eq!(house.rooms.len(), 2);
}
}