| 1 | import { describe, it, expect } from "bun:test"; |
| 2 | import { tryCatch } from "./try-catch"; |
| 3 | |
| 4 | describe("tryCatch", () => { |
| 5 | it("should return success result for resolved promise", async () => { |
| 6 | const result = await tryCatch(Promise.resolve("success")); |
| 7 | |
| 8 | expect(result.data).toBe("success"); |
| 9 | expect(result.error).toBeNull(); |
| 10 | }); |
| 11 | |
| 12 | it("should return failure result for rejected promise", async () => { |
| 13 | const error = new Error("test error"); |
| 14 | const result = await tryCatch(Promise.reject(error)); |
| 15 | |
| 16 | expect(result.data).toBeNull(); |
| 17 | expect(result.error).toBe(error); |
| 18 | }); |
| 19 | |
| 20 | it("should handle async function that throws", async () => { |
| 21 | const asyncFunction = async () => { |
| 22 | throw new Error("async error"); |
| 23 | }; |
| 24 | |
| 25 | const result = await tryCatch(asyncFunction()); |
| 26 | |
| 27 | expect(result.data).toBeNull(); |
| 28 | expect(result.error).toBeInstanceOf(Error); |
| 29 | expect((result.error as Error).message).toBe("async error"); |
| 30 | }); |
| 31 | |
| 32 | it("should handle different data types", async () => { |
| 33 | const objectResult = await tryCatch( |
| 34 | Promise.resolve({ id: 1, name: "test" }), |
| 35 | ); |
| 36 | const numberResult = await tryCatch(Promise.resolve(42)); |
| 37 | const booleanResult = await tryCatch(Promise.resolve(true)); |
| 38 | |
| 39 | expect(objectResult.data).toEqual({ id: 1, name: "test" }); |
| 40 | expect(numberResult.data).toBe(42); |
| 41 | expect(booleanResult.data).toBe(true); |
| 42 | }); |
| 43 | }); |