validate/errors_test.go at main · SLASH2NL/validate · 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
132
133
134
135
136
137
138
139
140
141
142
package validate_test

import (
	"fmt"
	"slices"
	"testing"

	"github.com/SLASH2NL/validate"
	"github.com/stretchr/testify/require"
)

func TestIsValidationError(t *testing.T) {
	err := fmt.Errorf("some error")
	require.False(t, validate.IsValidationError(err))

	err = validate.Error{}
	require.True(t, validate.IsValidationError(err))

	err = validate.Errors{}
	require.True(t, validate.IsValidationError(err))

	// It could be wrapped.
	err = validate.Errors{}
	wrap := fmt.Errorf("wrapped: %w", err)
	require.True(t, validate.IsValidationError(wrap))
}

func TestLastSegment(t *testing.T) {
	err := validate.Field(
		"address.name",
		"",
		failValidatorWithCode[string]("fail"),
	)

	errs := validate.Collect(err)
	require.Equal(t, 1, len(errs))
	require.Equal(t, "address.name", errs[0].Path)
	require.Equal(t, "name", validate.LastPathSegment(errs[0].Path))
}

func TestMapError(t *testing.T) {
	type Person struct {
		Name    string
		Address string
	}

	t.Run("map values", func(t *testing.T) {
		err := validate.Map(
			"persons",
			map[string]Person{
				"some-id": {
					Name:    "John",
					Address: "Street 1",
				},
				"multiple-some-id": {
					Name:    "John",
					Address: "Street 1",
				},
			},
		).Values("person", func(value Person) error {
			return validate.Join(
				validate.Field("name", value.Name, failValidatorWithCode[string]("fail")),
				validate.Field("address", value.Address, failValidatorWithCode[string]("fail")),
			)
		})
		require.NotNil(t, err)
		errs := validate.Collect(err)
		require.Equal(t, 4, len(errs))

		for _, err := range errs {
			if !slices.Contains([]string{"persons.some-id.person.name", "persons.some-id.person.address", "persons.multiple-some-id.person.name", "persons.multiple-some-id.person.address"}, err.ExactPath) {
				t.Errorf("unexpected exact path: %s", err.ExactPath)
			}
		}
	})

	t.Run("map keys", func(t *testing.T) {
		err := validate.Map(
			"persons",
			map[string]Person{
				"some-id": Person{
					Name:    "John",
					Address: "Street 1",
				},
			},
		).Keys("person", func(key string) error {
			return validate.Field("name", key, failValidatorWithCode[string]("fail"))
		})
		require.NotNil(t, err)
		errs := validate.Collect(err)
		require.Equal(t, 1, len(errs))
		require.Equal(t, "persons.person.name", errs[0].Path)
		require.Equal(t, "persons.some-id.person.name", errs[0].ExactPath)
	})

	t.Run("map key", func(t *testing.T) {
		err := validate.Map(
			"persons",
			map[string]Person{
				"some-id": Person{
					Name:    "John",
					Address: "Street 1",
				},
			},
		).Key("person", "some-id", func(value Person) error {
			return validate.Join(
				validate.Field("name", value.Name, failValidatorWithCode[string]("fail")),
				validate.Field("address", value.Address, failValidatorWithCode[string]("fail")),
			)
		})
		require.NotNil(t, err)
		errs := validate.Collect(err)
		require.Equal(t, 2, len(errs))
		require.Equal(t, "persons.person.name", errs[0].Path)
		require.Equal(t, "persons.some-id.person.name", errs[0].ExactPath)
		require.Equal(t, "persons.person.address", errs[1].Path)
		require.Equal(t, "persons.some-id.person.address", errs[1].ExactPath)
	})

	t.Run("map slice items", func(t *testing.T) {
		list := []Person{
			{
				Name:    "John",
				Address: "Street 1",
			},
		}

		err := validate.Slice("persons", list).Items("person", func(value Person) error {
			return validate.Join(
				validate.Field("name", value.Name, failValidatorWithCode[string]("fail")),
				validate.Field("address", value.Address, failValidatorWithCode[string]("fail")),
			)
		})
		require.NotNil(t, err)
		errs := validate.Collect(err)
		require.Equal(t, 2, len(errs))
		require.Equal(t, "persons.*.person.name", errs[0].Path)
		require.Equal(t, "persons.0.person.name", errs[0].ExactPath)
		require.Equal(t, "persons.*.person.address", errs[1].Path)
		require.Equal(t, "persons.0.person.address", errs[1].ExactPath)
	})
}