batpak 0.7.0

Event sourcing with causal graphs and policy gates. Sync API, zero async.
Documentation 
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

use super::writer::{AppendGuards, WriterCommand, WriterHandle};
use crate::store::{AppendReceipt, StoreError};

mod fence;
mod outbox;
mod store_bridge;
mod submission;
mod ticket;

pub use self::fence::VisibilityFence;
pub use self::outbox::Outbox;
pub(crate) use self::submission::AppendSubmission;
pub use self::ticket::{AppendTicket, BatchAppendTicket};

pub(crate) type AppendReply = Result<AppendReceipt, StoreError>;
pub(crate) type BatchAppendReply = Result<Vec<AppendReceipt>, StoreError>;

#[cfg(test)]
mod tests {
    use super::submission::AppendSubmission;

    #[test]
    fn reaction_with_zero_causation_yields_none() {
        let submission = AppendSubmission::reaction(42, 0);
        assert_eq!(
            submission.options.causation_id, None,
            "causation_id=0 is the wire sentinel — reaction() must not produce Some(0)"
        );
    }

    #[test]
    fn reaction_with_nonzero_causation_is_preserved() {
        let submission = AppendSubmission::reaction(42, 99);
        assert_eq!(submission.options.causation_id, Some(99));
    }
}