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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 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],
},
],
};
const target = {
a: { b: { d: [3] } },
e: [3],
foo: { baz: 4 },
qu: 5,
array: [
{
does: 'work',
too: [4, 5, 6],
},
{
really: 'yes',
},
],
};
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,
};
expect(deepMerge(source, target)).toEqual(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)).toEqual(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: [3],
};
const expected = {
a: { b: { d: [1, 2, 3] } },
e: [1, 2, 3],
};
expect(deepMerge(source, target, 'union')).toEqual(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')).toEqual(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')).toEqual(expected);
});
});
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