terrazzo-terminal 0.2.8

A simple web-based terminal emulator built on Terrazzo.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56

#![cfg(feature = "server")]

pub struct TestableOnceLock<T> {
    #[cfg(not(test))]
    once_lock: std::sync::OnceLock<T>,

    #[cfg(test)]
    mutex: std::sync::Mutex<Option<T>>,
}

#[cfg(not(test))]
mod prod {
    use super::TestableOnceLock;

    impl<T> TestableOnceLock<T> {
        pub const fn new() -> Self {
            Self {
                once_lock: std::sync::OnceLock::new(),
            }
        }

        pub fn get(&self) -> Option<&T> {
            self.once_lock.get()
        }

        pub fn set(&self, value: T)
        where
            T: std::fmt::Debug,
        {
            self.once_lock.set(value).unwrap()
        }
    }
}

#[cfg(test)]
mod test {
    use std::sync::Mutex;

    use super::TestableOnceLock;

    impl<T> TestableOnceLock<T> {
        pub const fn new() -> Self {
            Self {
                mutex: Mutex::new(None),
            }
        }

        pub fn get(&self) -> std::sync::MutexGuard<'_, Option<T>> {
            self.mutex.lock().unwrap()
        }

        pub fn set(&self, value: T) {
            *self.get() = Some(value);
        }
    }
}