round trip

Cargo.lock

@@ -152,6 +152,8 @@ dependencies = [
  "card_game",
  "klondike",
  "rand",
+ "serde",
+ "serde_json",
 ]
 
 [[package]]
@@ -266,9 +268,9 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.149"
+version = "1.0.150"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "83fc039473c5595ace860d8c4fafa220ff474b3fc6bfdb4293327f1a37e94d86"
+checksum = "e8014e44b4736ed0538adeecded0fce2a272f22dc9578a7eb6b2d9993c74cfb9"
 dependencies = [
  "itoa",
  "memchr",

card_game/src/lib.rs

@@ -656,11 +656,11 @@ where
 #[cfg_attr(
 	feature = "serde",
 	derive(serde_derive::Deserialize),
-	serde(bound = "
+	serde(bound(deserialize = "
 		G: serde::Deserialize<'de>,
 		SessionConfig<G::Config>: serde::Deserialize<'de>,
 		Vec<G::Instruction>: serde::Deserialize<'de>,
-	")
+	"))
 )]
 struct SerializedSession<G: Game> {
 	config: SessionConfig<G::Config>,

klondike-cli/Cargo.toml

@@ -8,5 +8,9 @@ card_game.workspace = true
 klondike.workspace = true
 rand = { version = "0.10.1", default-features = false, features = ["thread_rng"] }
 
+[dev-dependencies]
+serde = { version = "1.0.228", default-features = false }
+serde_json = "1.0.150"
+
 [lints]
 workspace = true

klondike-cli/src/test.rs

@@ -14,3 +14,19 @@ fn test_is_winnable() {
 		println!("Game is not winnable");
 	}
 }
+
+#[test]
+fn test_serde() {
+	let mut session = Session::new_default(Klondike::with_seed(124));
+	let solution_result = session.solve();
+	if let Ok(Some(solution)) = solution_result {
+		for snapshot in solution.clean_solution() {
+			session.process_instruction(snapshot.instruction().clone());
+		}
+	}
+	let serialized = serde_json::to_string(&session).unwrap();
+	println!("serialized = {serialized}");
+	let round_trip_session: Session<Klondike> = serde_json::from_str(&serialized).unwrap();
+	let serialized2 = serde_json::to_string(&round_trip_session).unwrap();
+	assert_eq!(serialized, serialized2);
+}