| import { describe, expect, it } from "vitest"; |
|
|
| import { exclude } from "../object"; |
|
|
| describe("exclude", () => { |
| type TestObject = { |
| id: number; |
| name: string; |
| age: number; |
| email: string; |
| }; |
|
|
| it("excludes specified keys from the object", () => { |
| const object: TestObject = { |
| id: 1, |
| name: "Alice", |
| age: 30, |
| email: "alice@example.com", |
| }; |
| const result = exclude(object, ["age", "email"]); |
|
|
| expect(result).toEqual({ id: 1, name: "Alice" }); |
| expect(result).not.toHaveProperty("age"); |
| expect(result).not.toHaveProperty("email"); |
| }); |
|
|
| it("returns the same object if no keys are specified", () => { |
| const object: TestObject = { |
| id: 1, |
| name: "Alice", |
| age: 30, |
| email: "alice@example.com", |
| }; |
| const keysToExclude: (keyof TestObject)[] = []; |
| const result = exclude(object, keysToExclude); |
|
|
| expect(result).toEqual(object); |
| }); |
|
|
| it("does not modify the original object", () => { |
| const object: TestObject = { |
| id: 1, |
| name: "Alice", |
| age: 30, |
| email: "alice@example.com", |
| }; |
| exclude(object, ["age", "email"]); |
|
|
| expect(object).toHaveProperty("age"); |
| expect(object).toHaveProperty("email"); |
| }); |
|
|
| it("handles cases where keys to exclude are not present in the object", () => { |
| const object: TestObject = { |
| id: 1, |
| name: "Alice", |
| age: 30, |
| email: "alice@example.com", |
| }; |
| const keysToExclude = ["nonExistentKey" as keyof TestObject]; |
| const result = exclude(object, keysToExclude); |
|
|
| expect(result).toEqual(object); |
| }); |
|
|
| it("returns the input if it is not an object", () => { |
| const object: unknown = null; |
| const keysToExclude = ["id"]; |
|
|
| |
| const result = exclude(object, keysToExclude); |
|
|
| expect(result).toBeNull(); |
| }); |
| }); |
|
|
