58 lines
1.0 KiB
Go
58 lines
1.0 KiB
Go
package util
|
|
|
|
import (
|
|
"math/rand"
|
|
"strings"
|
|
)
|
|
|
|
const alphabet = "abcdefghijklmnopqrstuvwxyz"
|
|
const numbers = "0123456789"
|
|
|
|
// RandomInt generates a random number between min and max
|
|
func RandomInt(min, max int64) uint64 {
|
|
return uint64(min + rand.Int63n(max-min+1))
|
|
}
|
|
|
|
// RandomString generates a random string of length n
|
|
func RandomString(n int) string {
|
|
var sb strings.Builder
|
|
k := len(alphabet)
|
|
|
|
for i := 0; i < n; i++ {
|
|
c := alphabet[rand.Intn(k)]
|
|
sb.WriteByte(c)
|
|
}
|
|
|
|
return sb.String()
|
|
}
|
|
|
|
// RandomPhone generates a random phone number as string
|
|
func RandomPhone() string {
|
|
var sb strings.Builder
|
|
k := len(numbers)
|
|
|
|
for i := 0; i <= 12; i++ {
|
|
c := numbers[rand.Intn(k)]
|
|
sb.WriteByte(c)
|
|
}
|
|
|
|
return sb.String()
|
|
}
|
|
|
|
// RandomName generates a random name
|
|
func RandomName() string {
|
|
n := RandomInt(3, 12)
|
|
return RandomString(int(n))
|
|
}
|
|
|
|
// RandomEmail generates a random email address
|
|
func RandomEmail() string {
|
|
var s string
|
|
s += RandomString(10)
|
|
s += "@"
|
|
s += RandomString(10)
|
|
s += "."
|
|
s += RandomString(2)
|
|
return s
|
|
}
|