whycodes_session/
error.rs

1use thiserror::Error;
2
3/// Session persist / import / export failures.
4#[derive(Debug, Error)]
5pub enum SessionError {
6    #[error("{0}")]
7    Message(String),
8    #[error(transparent)]
9    Io(#[from] std::io::Error),
10    #[error(transparent)]
11    Json(#[from] serde_json::Error),
12    #[error(transparent)]
13    Storage(#[from] whycodes_storage::StorageError),
14    #[error(transparent)]
15    Chrono(#[from] chrono::ParseError),
16}
17
18impl SessionError {
19    pub fn msg(s: impl Into<String>) -> Self {
20        Self::Message(s.into())
21    }
22}
23
24pub type Result<T> = std::result::Result<T, SessionError>;
25
26#[cfg(test)]
27mod tests {
28    use super::*;
29
30    #[test]
31    fn message_and_io_display() {
32        let msg = SessionError::msg("no messages");
33        assert_eq!(msg.to_string(), "no messages");
34        let io = SessionError::from(std::io::Error::other("disk"));
35        assert!(io.to_string().contains("disk"));
36        let json = SessionError::from(serde_json::from_str::<i32>("nope").unwrap_err());
37        assert!(!json.to_string().is_empty());
38        let chrono = SessionError::from(chrono::DateTime::parse_from_rfc3339("bad").unwrap_err());
39        assert!(!chrono.to_string().is_empty());
40        let storage = SessionError::from(whycodes_storage::StorageError::from(
41            rusqlite::Error::InvalidQuery,
42        ));
43        assert!(!storage.to_string().is_empty());
44    }
45}
whycodes_session/error.rs

whycodes_session/
error.rs
