A fast pacakge for validation
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package validate
import (
"reflect"
"testing"
)
func TestAddRule(t *testing.T) {
type s struct {
A string `validate:"custom"`
}
AddRule(`custom`, nil, Kinds{
reflect.String: func(rv reflect.Value, _ interface{}) bool {
return rv.String() == `custom`
},
})
var pass = s{`custom`}
var fail = s{`somethingelse`}
check(t, pass, 0)
check(t, fail, 1)
}
func TestRuleRequired(t *testing.T) {
type s struct {
A *string `validate:"required"`
B []int `validate:"required"`
C []int `validate:"required"`
D string `validate:"required"`
E int `validate:"required"`
F uint `validate:"required"`
G float64 `validate:"required"`
H interface{} `validate:"required"`
I map[int]int `validate:"required"`
}
str := ``
var pass = s{&str, make([]int, 1), make([]int, 1), ` `, -1, 1, 0.01, ``, map[int]int{0: 1}}
var fail = s{nil, nil, make([]int, 0), ``, 0, 0, 0.000, nil, nil}
check(t, pass, 0)
check(t, fail, 9)
}
func TestRulePrefixSuffix(t *testing.T) {
type s struct {
A string `validate:"prefix=#"`
B string `validate:"suffix=@"`
}
var pass = s{`#a`, `a@`}
var fail = s{`a#`, `@a`}
check(t, pass, 0)
check(t, fail, 2)
}
func TestRuleContains(t *testing.T) {
type s struct {
A string `validate:"contains=%"`
}
var pass1 = s{`a%`}
var pass2 = s{`%a`}
var pass3 = s{`%`}
var pass4 = s{`a%a`}
var fail = s{`aa`}
check(t, pass1, 0)
check(t, pass2, 0)
check(t, pass3, 0)
check(t, pass4, 0)
check(t, fail, 1)
}
func TestRuleRegexp(t *testing.T) {
type s struct {
A string `validate:"regexp=^[0-9]$"`
}
var pass1 = s{`0`}
var pass2 = s{`7`}
var fail1 = s{`A`}
var fail2 = s{`11`}
check(t, pass1, 0)
check(t, pass2, 0)
check(t, fail1, 1)
check(t, fail2, 1)
}
func TestRuleEqGtLt(t *testing.T) {
type s struct {
A int `validate:"eq=3"`
B float64 `validate:"gt=1e5"`
C uint `validate:"lt=1"`
}
var pass = s{3, 100001, 0}
var fail1 = s{2, 1e5, 1}
var fail2 = s{4, 9999, 2}
check(t, pass, 0)
check(t, fail1, 3)
check(t, fail2, 3)
}
func TestLenMinMax(t *testing.T) {
type s struct {
A string `validate:"len=3"`
B []int `validate:"min=2"`
C map[int]string `validate:"max=1"`
}
var pass = s{`abc`, []int{1, 2}, nil}
var fail1 = s{`ab`, []int{1}, map[int]string{1: `a`, 2: `b`}}
var fail2 = s{`abcd`, nil, nil}
check(t, pass, 0)
check(t, fail1, 3)
check(t, fail2, 2)
}
func check(t *testing.T, c interface{}, errCount int) {
t.Helper()
errs := Validate(c)
if len(errs) != errCount {
t.Errorf(`Case %T(%v) should get %d errors, but got %v`, c, c, errCount, errs)
}
}