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| // 暂时未安装依赖，无法测试
| // @ts-ignore
| import { describe, expect, test } from 'vitest';
| import { deepMerge } from '@/utils';
|
| describe('deepMerge function', () => {
| test('should correctly merge basic data types', () => {
| const source = { a: 1, b: 2, c: null };
| const target = {
| a: 2,
| b: undefined,
| c: 3,
| };
| const expected = {
| a: 2,
| b: 2,
| c: 3,
| };
| expect(deepMerge(source, target)).toStrictEqual(expected);
| });
|
| test('should return the same date if only 1 is passed', () => {
| const foo = new Date();
| const merged = deepMerge(foo, null);
| const merged2 = deepMerge(undefined, foo);
| expect(merged).toStrictEqual(foo);
| expect(merged2).toStrictEqual(foo);
| expect(merged).toStrictEqual(merged2);
| });
|
| test('should merge two objects recursively', () => {
| const source = {
| a: { b: { c: 1 }, d: [1, 2] },
| e: [1, 2],
| foo: { bar: 3 },
| array: [
| {
| does: 'work',
| too: [1, 2, 3],
| },
| ],
| r: { a: 1 },
| };
| const target = {
| a: { b: { d: [3] } },
| e: [3],
| foo: { baz: 4 },
| qu: 5,
| array: [
| {
| does: 'work',
| too: [4, 5, 6],
| },
| {
| really: 'yes',
| },
| ],
| r: { a: 2 },
| };
| const expected = {
| a: { b: { c: 1, d: [3] }, d: [1, 2] },
| e: [3],
| foo: {
| bar: 3,
| baz: 4,
| },
| array: [
| {
| does: 'work',
| too: [4, 5, 6],
| },
| {
| really: 'yes',
| },
| ],
| qu: 5,
| r: { a: 2 },
| };
| expect(deepMerge(source, target)).toStrictEqual(expected);
| });
|
| test('should replace arrays by default', () => {
| const source = {
| a: { b: { d: [1, 2] } },
| e: [1, 2],
| };
| const target = {
| a: { b: { d: [3] } },
| e: [3],
| };
| const expected = {
| a: { b: { d: [3] } },
| e: [3],
| };
| expect(deepMerge(source, target)).toStrictEqual(expected);
| });
|
| test("should union arrays using mergeArrays = 'union'", () => {
| const source = {
| a: { b: { d: [1, 2] } },
| e: [1, 2],
| };
| const target = {
| a: { b: { d: [2, 3] } },
| e: [1, 3],
| };
| const expected = {
| a: { b: { d: [1, 2, 3] } },
| e: [1, 2, 3],
| };
| expect(deepMerge(source, target, 'union')).toStrictEqual(expected);
| });
|
| test("should intersect arrays using mergeArrays = 'intersection'", () => {
| const source = {
| a: { b: { d: [1, 2] } },
| e: [1, 2],
| };
| const target = {
| a: { b: { d: [2, 3] } },
| e: [3],
| };
| const expected = {
| a: { b: { d: [2] } },
| e: [],
| };
| expect(deepMerge(source, target, 'intersection')).toStrictEqual(expected);
| });
|
| test("should concatenate arrays using mergeArrays = 'concat'", () => {
| const source = {
| a: { b: { d: [1, 2] } },
| e: [1, 2],
| };
| const target = {
| a: { b: { d: [2, 3] } },
| e: [3],
| };
| const expected = {
| a: { b: { d: [1, 2, 2, 3] } },
| e: [1, 2, 3],
| };
| expect(deepMerge(source, target, 'concat')).toStrictEqual(expected);
| });
| });
|
|
