valibot/library/src/schemas/intersect/utils/_merge/_merge.test.ts at b45e3edf57f6116bc48b4aedfba79802395e735b · open-circle/valibot · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
import { describe, expect, test } from 'vitest';
import { _merge } from './_merge.ts';

describe('_merge', () => {
  describe('should return dataset with value', () => {
    test('for valid primitives', () => {
      const date = new Date();
      expect(_merge(1, 1)).toStrictEqual({ value: 1 });
      expect(_merge('foo', 'foo')).toStrictEqual({ value: 'foo' });
      expect(_merge(date, date)).toStrictEqual({ value: date });
      expect(_merge(new Date(+date), new Date(+date))).toStrictEqual({
        value: date,
      });
    });

    test('for NaN primitives', () => {
      const result = _merge(NaN, NaN);
      expect(result.issue).toBeUndefined();
      expect(Number.isNaN((result as { value: unknown }).value)).toBe(true);
    });

    test('for zero values with different signs', () => {
      const negativeZeroResult = _merge(-0, 0);
      expect(negativeZeroResult.issue).toBeUndefined();
      expect(
        Object.is((negativeZeroResult as { value: unknown }).value, -0)
      ).toBe(true);
      const positiveZeroResult = _merge(0, -0);
      expect(positiveZeroResult.issue).toBeUndefined();
      expect(
        Object.is((positiveZeroResult as { value: unknown }).value, 0)
      ).toBe(true);
    });

    test('for valid dates', () => {
      const date = new Date();
      expect(_merge(date, date)).toStrictEqual({ value: date });
      expect(_merge(new Date(+date), new Date(+date))).toStrictEqual({
        value: date,
      });
    });

    test('for invalid dates', () => {
      const invalidDate = new Date(NaN);
      const result = _merge(invalidDate, new Date(NaN));
      expect(result.issue).toBeUndefined();
      const value = (result as { value: Date }).value;
      expect(value).toBeInstanceOf(Date);
      expect(Number.isNaN(+value)).toBe(true);
    });

    test('for valid objects', () => {
      expect(_merge({ key: 1 }, { key: 1 })).toStrictEqual({
        value: { key: 1 },
      });
      expect(_merge({ a: 1 }, { b: 2 })).toStrictEqual({
        value: { a: 1, b: 2 },
      });
      expect(_merge({ key: { a: 1 } }, { key: { b: 2 } })).toStrictEqual({
        value: { key: { a: 1, b: 2 } },
      });
    });

    test('for keys colliding with object prototype', () => {
      // Own keys that collide with `Object.prototype` members must be merged
      // as regular entries instead of resolving to the inherited member via
      // the `in` operator.
      expect(_merge({}, { toString: 'foo' })).toStrictEqual({
        value: { toString: 'foo' },
      });
      expect(_merge({ valueOf: 1 }, { valueOf: 1 })).toStrictEqual({
        value: { valueOf: 1 },
      });
      expect(
        _merge({ hasOwnProperty: 1 }, { hasOwnProperty: '1' })
      ).toStrictEqual({ issue: true });
    });

    test('for valid frozen object', () => {
      expect(_merge(Object.freeze({ key: 1 }), { key: 1 })).toStrictEqual({
        value: { key: 1 },
      });
    });

    test('for valid frozen empty object', () => {
      expect(_merge(Object.freeze({}), { key: 1 })).toStrictEqual({
        value: { key: 1 },
      });
    });

    test('for valid arrays', () => {
      expect(_merge([1, 2, 3], [1, 2, 3])).toStrictEqual({ value: [1, 2, 3] });
      expect(_merge([{ a: 1 }, { a: 1 }], [{ b: 2 }, { b: 2 }])).toStrictEqual({
        value: [
          { a: 1, b: 2 },
          { a: 1, b: 2 },
        ],
      });
    });

    test('for valid frozen array', () => {
      expect(_merge(Object.freeze([1, 2, 3]), [1, 2, 3])).toStrictEqual({
        value: [1, 2, 3],
      });
    });
  });

  describe('should return dataset with issue', () => {
    test('for invalid primitives', () => {
      expect(_merge(1, 2)).toStrictEqual({ issue: true });
      expect(_merge('foo', 'bar')).toStrictEqual({ issue: true });
      expect(_merge(1, 'foo')).toStrictEqual({ issue: true });
    });

    test('for invalid dates', () => {
      const date = new Date();
      expect(_merge(date, new Date(+date + 1234))).toStrictEqual({
        issue: true,
      });
    });

    test('for invalid objects', () => {
      expect(_merge({ key: 1 }, { key: '1' })).toStrictEqual({ issue: true });
    });

    test('for invalid arrays', () => {
      expect(_merge([1], [1, 2])).toStrictEqual({ issue: true });
      expect(_merge([1], ['1'])).toStrictEqual({ issue: true });
    });
  });
});