T0.12: GatewayProperties 路由表 + TargetRouter（/{target}/oapi/** 路由判定与 forwardUrl 换主机不换路径计算）

2026-09-21 00:25:54 +08:00
parent 6cb0fa1b5b
commit 4777d47499
3 changed files with 198 additions and 0 deletions
@@ -0,0 +1,79 @@
+package com.yunhai.platform.gateway.route;
+
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+
+import java.util.LinkedHashMap;
+import java.util.Map;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+/**
+ * TargetRouter 用例（T0.12 TDD）：已知 target forwardUrl 逐字符断言（换主机不换路径）、
+ * 未知 target / 单段 / 非 oapi 第二段一律裸 404（null）、base-url 尾斜杠归一化。
+ */
+class TargetRouterTest {
+
+    private TargetRouter router;
+
+    @BeforeEach
+    void setUp() {
+        router = new TargetRouter();
+        GatewayProperties props = new GatewayProperties();
+        Map<String, String> routes = new LinkedHashMap<>();
+        routes.put("userbase", "http://userbase-service:8080");
+        routes.put("notice", "http://notice-service:8080/");
+        props.setRoutes(routes);
+        router.setProperties(props);
+    }
+
+    @Test
+    void 已知target_forwardUrl逐字符断言() {
+        TargetRouter.Routing r = router.route("/userbase/oapi/x", "a=1");
+        assertThat(r).isNotNull();
+        assertThat(r.forwardUrl).as("换主机不换路径：base-url + 完整原始 URI 含 query，逐字符")
+                .isEqualTo("http://userbase-service:8080/userbase/oapi/x?a=1");
+        assertThat(r.target).isEqualTo("userbase");
+        assertThat(r.pathAfterStrip).as("剥段路径 = 注册表/签名坐标系").isEqualTo("/oapi/x");
+    }
+
+    @Test
+    void 无query的URI不带问号() {
+        TargetRouter.Routing r = router.route("/notice/oapi/notice/list", null);
+        assertThat(r.forwardUrl).isEqualTo("http://notice-service:8080/notice/oapi/notice/list");
+        assertThat(r.pathAfterStrip).isEqualTo("/oapi/notice/list");
+    }
+
+    @Test
+    void 未知target_裸404() {
+        assertThat(router.route("/nobody/oapi/x", null)).as("未配置的 target = 裸 404").isNull();
+    }
+
+    @Test
+    void 单段URI_裸404() {
+        assertThat(router.route("/", null)).isNull();
+        assertThat(router.route("/foo", null)).isNull();
+    }
+
+    @Test
+    void 非oapi第二段_裸404() {
+        assertThat(router.route("/userbase/api/x", null)).as("网关只做 oapi，/api 一律 404").isNull();
+        assertThat(router.route("/userbase/oapix", null)).as("前缀相同不算 oapi 段").isNull();
+    }
+
+    @Test
+    void 尾斜杠base归一化_无双斜杠() {
+        TargetRouter.Routing r = router.route("/notice/oapi/x", null);
+        assertThat(r.forwardUrl).as("base-url 尾斜杠不得产生双斜杠")
+                .isEqualTo("http://notice-service:8080/notice/oapi/x");
+    }
+
+    @Test
+    void 裸oapi路径可路由() {
+        // /{target}/oapi（无尾路径）属 /{target}/oapi/** 匹配范围
+        TargetRouter.Routing r = router.route("/userbase/oapi", null);
+        assertThat(r).isNotNull();
+        assertThat(r.forwardUrl).isEqualTo("http://userbase-service:8080/userbase/oapi");
+        assertThat(r.pathAfterStrip).isEqualTo("/oapi");
+    }
+}