test: 添加一大堆测试文件

src/utils/__tests__/withResolvers.test.ts

@@ -0,0 +1,58 @@
+import { describe, expect, test } from "bun:test";
+import { withResolvers } from "../withResolvers";
+
+describe("withResolvers", () => {
+  test("returns object with promise, resolve, reject", () => {
+    const result = withResolvers<string>();
+    expect(result).toHaveProperty("promise");
+    expect(result).toHaveProperty("resolve");
+    expect(result).toHaveProperty("reject");
+    expect(typeof result.resolve).toBe("function");
+    expect(typeof result.reject).toBe("function");
+  });
+
+  test("promise resolves when resolve is called", async () => {
+    const { promise, resolve } = withResolvers<string>();
+    resolve("hello");
+    const result = await promise;
+    expect(result).toBe("hello");
+  });
+
+  test("promise rejects when reject is called", async () => {
+    const { promise, reject } = withResolvers<string>();
+    reject(new Error("fail"));
+    await expect(promise).rejects.toThrow("fail");
+  });
+
+  test("resolve passes value through", async () => {
+    const { promise, resolve } = withResolvers<number>();
+    resolve(42);
+    expect(await promise).toBe(42);
+  });
+
+  test("reject passes error through", async () => {
+    const { promise, reject } = withResolvers<void>();
+    const err = new Error("custom error");
+    reject(err);
+    await expect(promise).rejects.toBe(err);
+  });
+
+  test("promise is instanceof Promise", () => {
+    const { promise } = withResolvers<void>();
+    expect(promise).toBeInstanceOf(Promise);
+  });
+
+  test("works with generic type parameter", async () => {
+    const { promise, resolve } = withResolvers<{ name: string }>();
+    resolve({ name: "test" });
+    const result = await promise;
+    expect(result.name).toBe("test");
+  });
+
+  test("resolve/reject can be called asynchronously", async () => {
+    const { promise, resolve } = withResolvers<number>();
+    setTimeout(() => resolve(99), 10);
+    const result = await promise;
+    expect(result).toBe(99);
+  });
+});