推进 server-rs DDD 分层与新接口接线

server-rs/crates/module-runtime-story/src/battle_tests.rs

@@ -0,0 +1,92 @@
+use serde_json::json;
+
+use shared_contracts::runtime_story::{
+    RuntimeStoryActionRequest, RuntimeStoryChoiceAction, RuntimeStoryPatch,
+};
+
+use crate::{
+    battle::resolve_battle_action, build_status_patch, read_bool_field, read_i32_field,
+    read_optional_string_field,
+};
+
+fn build_battle_fixture() -> serde_json::Value {
+    json!({
+        "inBattle": true,
+        "npcInteractionActive": false,
+        "playerHp": 4,
+        "playerMaxHp": 40,
+        "playerMana": 10,
+        "playerMaxMana": 10,
+        "playerSkillCooldowns": {},
+        "runtimeStats": {
+            "hostileNpcsDefeated": 0,
+            "itemsUsed": 0,
+            "questsAccepted": 0,
+            "scenesTraveled": 0,
+            "playTimeMs": 0,
+            "lastPlayTickAt": null
+        },
+        "currentNpcBattleMode": "fight",
+        "currentNpcBattleOutcome": null,
+        "currentEncounter": {
+            "kind": "npc",
+            "id": "npc_bandit_01",
+            "npcName": "断桥匪首",
+            "hostile": true,
+            "hp": 8,
+            "experienceReward": 24
+        },
+        "sceneHostileNpcs": [{
+            "id": "npc_bandit_01",
+            "name": "断桥匪首",
+            "hp": 8,
+            "maxHp": 80,
+            "experienceReward": 24
+        }]
+    })
+}
+
+fn build_request(function_id: &str, option_text: &str) -> RuntimeStoryActionRequest {
+    RuntimeStoryActionRequest {
+        session_id: "runtime-main".to_string(),
+        client_version: Some(0),
+        action: RuntimeStoryChoiceAction {
+            action_type: "story_choice".to_string(),
+            function_id: function_id.to_string(),
+            target_id: None,
+            payload: Some(json!({
+                "optionText": option_text
+            })),
+        },
+        snapshot: None,
+    }
+}
+
+#[test]
+fn battle_resolution_prefers_player_defeat_when_both_sides_fall_in_same_turn() {
+    let request = build_request("battle_all_in_crush", "全力压制");
+    let mut game_state = build_battle_fixture();
+
+    let resolution = resolve_battle_action(&mut game_state, &request, "battle_all_in_crush")
+        .expect("battle action should resolve");
+
+    assert_eq!(read_i32_field(&game_state, "playerHp"), Some(0));
+    assert_eq!(
+        read_optional_string_field(&game_state, "currentNpcBattleOutcome"),
+        Some("fight_defeat".to_string())
+    );
+    assert_eq!(read_bool_field(&game_state, "inBattle"), Some(false));
+    assert!(resolution.result_text.contains("败北"));
+    assert!(matches!(
+        resolution.patches.first(),
+        Some(RuntimeStoryPatch::BattleResolved { outcome, .. }) if outcome == "defeat"
+    ));
+    assert_eq!(
+        resolution.patches.get(1),
+        Some(&build_status_patch(&game_state))
+    );
+    assert_eq!(
+        resolution.battle.and_then(|battle| battle.outcome),
+        Some("defeat".to_string())
+    );
+}