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test_helpers.go
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/
test_helpers.go
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package db
import "math/rand"
const (
strChars = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz" // 62 characters
)
// For testing convenience.
func bz(s string) []byte {
return []byte(s)
}
// Str constructs a random alphanumeric string of given length.
func randStr(length int) string { //nolint:unparam
chars := []byte{}
MAIN_LOOP:
for {
val := rand.Int63() //nolint:gosec // G404: Use of weak random number generator
for i := 0; i < 10; i++ {
v := int(val & 0x3f) // rightmost 6 bits
if v >= 62 { // only 62 characters in strChars
val >>= 6
continue
}
chars = append(chars, strChars[v])
if len(chars) == length {
break MAIN_LOOP
}
val >>= 6
}
}
return string(chars)
}