Initial commit

tests/server/config.test.ts

@@ -0,0 +1,95 @@
+import { describe, expect, test } from "bun:test";
+import { rm, writeFile } from "node:fs/promises";
+import { tmpdir } from "node:os";
+import { join } from "node:path";
+
+import { loadServerConfig, parseRuntimeArgs } from "../../src/server/config";
+
+describe("parseRuntimeArgs", () => {
+  test("无参数返回空对象", () => {
+    const result = parseRuntimeArgs([]);
+    expect(result).toEqual({});
+  });
+
+  test("有参数返回 configPath", () => {
+    const result = parseRuntimeArgs(["config.yaml"]);
+    expect(result).toEqual({ configPath: "config.yaml" });
+  });
+});
+
+describe("loadServerConfig", () => {
+  test("无 configPath 使用默认值", async () => {
+    const config = await loadServerConfig();
+    expect(config.host).toBe("127.0.0.1");
+    expect(config.port).toBe(3000);
+  });
+
+  test("环境变量 HOST 覆盖默认值", async () => {
+    const prev = process.env["HOST"];
+    process.env["HOST"] = "0.0.0.0";
+    try {
+      const config = await loadServerConfig();
+      expect(config.host).toBe("0.0.0.0");
+    } finally {
+      if (prev === undefined) {
+        delete process.env["HOST"];
+      } else {
+        process.env["HOST"] = prev;
+      }
+    }
+  });
+
+  test("环境变量 PORT 覆盖默认值", async () => {
+    const prev = process.env["PORT"];
+    process.env["PORT"] = "8080";
+    try {
+      const config = await loadServerConfig();
+      expect(config.port).toBe(8080);
+    } finally {
+      if (prev === undefined) {
+        delete process.env["PORT"];
+      } else {
+        process.env["PORT"] = prev;
+      }
+    }
+  });
+
+  test("YAML 配置文件不存在时报错", async () => {
+    try {
+      await loadServerConfig("/nonexistent/path/config.yaml");
+      expect.unreachable();
+    } catch (error) {
+      expect((error as Error).message).toContain("配置文件不存在");
+    }
+  });
+
+  test("YAML 配置文件加载 server 配置", async () => {
+    const temp = tmpdir();
+    const yamlPath = join(temp, "test-config.yaml");
+    const yamlContent = 'server:\n  host: "0.0.0.0"\n  port: 9999\n';
+    await writeFile(yamlPath, yamlContent);
+
+    try {
+      const config = await loadServerConfig(yamlPath);
+      expect(config.host).toBe("0.0.0.0");
+      expect(config.port).toBe(9999);
+    } finally {
+      await rm(yamlPath, { force: true });
+    }
+  });
+
+  test("YAML 缺少 server 字段时使用默认值", async () => {
+    const temp = tmpdir();
+    const yamlPath = join(temp, "test-empty.yaml");
+    const yamlContent = "runtime:\n  debug: true\n";
+    await writeFile(yamlPath, yamlContent);
+
+    try {
+      const config = await loadServerConfig(yamlPath);
+      expect(config.host).toBe("127.0.0.1");
+      expect(config.port).toBe(3000);
+    } finally {
+      await rm(yamlPath, { force: true });
+    }
+  });
+});