[router] Support Oracle DB(ATP) Data Connector (#10845)

sgl-router/tests/test_openai_routing.rs

@@ -10,7 +10,9 @@ use axum::{
 };
 use serde_json::json;
 use sglang_router_rs::{
-    config::{RouterConfig, RoutingMode},
+    config::{
+        ConfigError, ConfigValidator, HistoryBackend, OracleConfig, RouterConfig, RoutingMode,
+    },
     data_connector::{MemoryResponseStorage, ResponseId, ResponseStorage, StoredResponse},
     protocols::spec::{
         ChatCompletionRequest, ChatMessage, CompletionRequest, GenerateRequest, ResponseInput,
@@ -823,3 +825,69 @@ async fn test_openai_router_models_auth_forwarding() {
     let models: serde_json::Value = serde_json::from_str(&body_str).unwrap();
     assert_eq!(models["object"], "list");
 }
+
+#[test]
+fn oracle_config_validation_requires_config_when_enabled() {
+    let config = RouterConfig {
+        mode: RoutingMode::OpenAI {
+            worker_urls: vec!["https://api.openai.com".to_string()],
+        },
+        history_backend: HistoryBackend::Oracle,
+        oracle: None,
+        ..Default::default()
+    };
+
+    let err =
+        ConfigValidator::validate(&config).expect_err("config should fail without oracle details");
+
+    match err {
+        ConfigError::MissingRequired { field } => {
+            assert_eq!(field, "oracle");
+        }
+        other => panic!("unexpected error: {:?}", other),
+    }
+}
+
+#[test]
+fn oracle_config_validation_accepts_dsn_only() {
+    let config = RouterConfig {
+        mode: RoutingMode::OpenAI {
+            worker_urls: vec!["https://api.openai.com".to_string()],
+        },
+        history_backend: HistoryBackend::Oracle,
+        oracle: Some(OracleConfig {
+            wallet_path: None,
+            connect_descriptor: "tcps://db.example.com:1522/service".to_string(),
+            username: "scott".to_string(),
+            password: "tiger".to_string(),
+            pool_min: 1,
+            pool_max: 4,
+            pool_timeout_secs: 30,
+        }),
+        ..Default::default()
+    };
+
+    ConfigValidator::validate(&config).expect("dsn-based config should validate");
+}
+
+#[test]
+fn oracle_config_validation_accepts_wallet_alias() {
+    let config = RouterConfig {
+        mode: RoutingMode::OpenAI {
+            worker_urls: vec!["https://api.openai.com".to_string()],
+        },
+        history_backend: HistoryBackend::Oracle,
+        oracle: Some(OracleConfig {
+            wallet_path: Some("/etc/sglang/oracle-wallet".to_string()),
+            connect_descriptor: "db_low".to_string(),
+            username: "app_user".to_string(),
+            password: "secret".to_string(),
+            pool_min: 1,
+            pool_max: 8,
+            pool_timeout_secs: 45,
+        }),
+        ..Default::default()
+    };
+
+    ConfigValidator::validate(&config).expect("wallet-based config should validate");
+}