feat: 搭建前后端可执行程序示例

tests/server/config.test.ts

@@ -0,0 +1,26 @@
+import { describe, expect, test } from "bun:test";
+import { readRuntimeConfig } from "../../src/server/config";
+
+describe("runtime config", () => {
+  test("默认使用 127.0.0.1:3000", () => {
+    expect(readRuntimeConfig([], {})).toEqual({ host: "127.0.0.1", port: 3000 });
+  });
+
+  test("CLI 参数优先于环境变量", () => {
+    expect(readRuntimeConfig(["--host", "0.0.0.0", "--port", "4001"], { HOST: "127.0.0.1", PORT: "3001" })).toEqual({
+      host: "0.0.0.0",
+      port: 4001,
+    });
+  });
+
+  test("支持 inline CLI 参数", () => {
+    expect(readRuntimeConfig(["--host=localhost", "--port=4002"], {})).toEqual({
+      host: "localhost",
+      port: 4002,
+    });
+  });
+
+  test("拒绝无效端口", () => {
+    expect(() => readRuntimeConfig(["--port", "invalid"], {})).toThrow("无效端口");
+  });
+});