gameServer2/src/server/handlers/common.rs
author Marcin Mielniczuk <marmistrz.dev@zoho.eu>
Fri, 06 Jul 2018 16:59:52 +0200
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child 13451 dd2e51f7303d
permissions -rw-r--r--
Send the rnd reply to the room only.
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use protocol::messages::{
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    HWProtocolMessage::{self, Rnd},
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    HWServerMessage::{self, ChatMsg},
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};
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use rand::{self, Rng};
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use server::{
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    actions::Action,
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    room::HWRoom,
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    server::HWServer
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};
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pub fn rnd_action(options: Vec<String>, room: Option<&mut HWRoom>) -> Vec<Action> {
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    if let Some(room) = room {
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        let msg = rnd_reply(options);
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        vec![msg.send_all().in_room(room.id).action()]
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    } else {
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        Vec::new()
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    }
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}
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fn rnd_reply(options: Vec<String>) -> HWServerMessage {
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    let options = if options.is_empty() {
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        vec!["heads".to_owned(), "tails".to_owned()]
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    } else {
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        options
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    };
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    let reply = rand::thread_rng().choose(&options).unwrap();
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    let msg = ChatMsg {
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        nick: "[random]".to_owned(),
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        msg: reply.clone(),
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    };
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    msg
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}
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#[cfg(test)]
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mod tests {
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    use super::*;
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    use protocol::messages::HWServerMessage::ChatMsg;
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    use server::actions::{
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        Action::{self, Send}, PendingMessage,
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    };
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    fn reply2string(r: HWServerMessage) -> String {
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        match r {
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            ChatMsg { msg: p, .. } => String::from(p),
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            _ => panic!("expected a ChatMsg"),
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        }
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    }
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    fn run_handle_test(opts: Vec<String>) {
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        let opts2 = opts.clone();
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        for opt in opts {
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            while reply2string(rnd_reply(opts2.clone())) != opt {}
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        }
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    }
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    #[test]
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    fn test_handle_rnd_empty() {
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        run_handle_test(vec![])
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    }
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    #[test]
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    fn test_handle_rnd_nonempty() {
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        run_handle_test(vec!["A".to_owned(), "B".to_owned(), "C".to_owned()])
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    }
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}