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
|
package openapi3filter_test
import (
"context"
"fmt"
"net/http"
"strings"
"github.com/getkin/kin-openapi/openapi3"
"github.com/getkin/kin-openapi/openapi3filter"
"github.com/getkin/kin-openapi/routers/gorillamux"
)
func ExampleOptions_WithCustomSchemaErrorFunc() {
const spec = `
openapi: 3.0.0
info:
title: 'Validator'
version: 0.0.1
paths:
/some:
post:
requestBody:
required: true
content:
application/json:
schema:
type: object
properties:
field:
title: Some field
type: integer
responses:
'200':
description: Created
`
loader := openapi3.NewLoader()
doc, err := loader.LoadFromData([]byte(spec))
if err != nil {
panic(err)
}
if err = doc.Validate(loader.Context); err != nil {
panic(err)
}
router, err := gorillamux.NewRouter(doc)
if err != nil {
panic(err)
}
opts := &openapi3filter.Options{}
opts.WithCustomSchemaErrorFunc(func(err *openapi3.SchemaError) string {
return fmt.Sprintf(`field "%s" must be an integer`, err.Schema.Title)
})
req, err := http.NewRequest(http.MethodPost, "/some", strings.NewReader(`{"field":"not integer"}`))
if err != nil {
panic(err)
}
req.Header.Add("Content-Type", "application/json")
route, pathParams, err := router.FindRoute(req)
if err != nil {
panic(err)
}
validationInput := &openapi3filter.RequestValidationInput{
Request: req,
PathParams: pathParams,
Route: route,
Options: opts,
}
err = openapi3filter.ValidateRequest(context.Background(), validationInput)
fmt.Println(err.Error())
// Output: request body has an error: doesn't match schema: field "Some field" must be an integer
}
|
