Add basic bot trait for bot bidding

1 files changed, 35 insertions, 0 deletions

diff --git a/protocol/src/simple_bots.rs b/protocol/src/simple_bots.rs
new file mode 100644
index 0000000..ffa1be2
--- /dev/null
+++ b/protocol/src/simple_bots.rs
@@ -0,0 +1,35 @@
+use async_trait::async_trait;
+
+use crate::{bot::BiddingBot, bridge_engine::{BiddingStatePlayerView, Bid}};
+
+struct AlwaysPassBiddingBot {}
+
+#[async_trait]
+impl BiddingBot for AlwaysPassBiddingBot {
+    async fn bid(&self, bidding: &BiddingStatePlayerView) -> Bid {
+        Bid::Pass
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use log::info;
+    use rand::random;
+    use crate::bridge_engine::{deal, GameState, BiddingState, Bidding, BiddingStatePlayerView};
+
+    #[tokio::test]
+    async fn always_passing_bot_passes() {
+        crate::tests::test_setup();
+        let dealer = random();
+        let player_position = random();
+        let bidding_state = BiddingState {
+            dealer,
+            deal: deal(),
+            bidding: Bidding::new(dealer),
+        };
+        let player_view = BiddingStatePlayerView::from_bidding_state(&bidding_state, player_position);
+        info!("Bidding state: {bidding_state:#?}");
+        assert_eq!(Bid::Pass, (AlwaysPassBiddingBot {}).bid(&player_view).await);
+    }
+}