rclone/lib/random/random_test.go
Nick Craig-Wood 193c30d570 Review random string/password generation
- factor password generation into lib/random.Password
- call from appropriate places
- choose appropriate use of random.String vs random.Password
2019-08-25 11:09:19 +01:00

50 lines
961 B
Go

package random
import (
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestStringLength(t *testing.T) {
for i := 0; i < 100; i++ {
s := String(i)
assert.Equal(t, i, len(s))
}
}
func TestStringDuplicates(t *testing.T) {
seen := map[string]bool{}
for i := 0; i < 100; i++ {
s := String(8)
assert.False(t, seen[s])
assert.Equal(t, 8, len(s))
seen[s] = true
}
}
func TestPasswordLength(t *testing.T) {
for i := 0; i <= 128; i++ {
s, err := Password(i)
require.NoError(t, err)
// expected length is number of bytes rounded up
expected := i / 8
if i%8 != 0 {
expected++
}
// then converted to base 64
expected = (expected*8 + 5) / 6
assert.Equal(t, expected, len(s), i)
}
}
func TestPasswordDuplicates(t *testing.T) {
seen := map[string]bool{}
for i := 0; i < 100; i++ {
s, err := Password(64)
require.NoError(t, err)
assert.False(t, seen[s])
seen[s] = true
}
}