1
0
Fork 0
mirror of https://github.com/moby/moby.git synced 2022-11-09 12:21:53 -05:00
moby--moby/internal/testutil/stringutils_test.go
chaowang 7c35a24182 Separate the GenerateRandomAlphaOnlyString function from stringutils
Signed-off-by: chaowang <chaowang@localhost.localdomain>
2017-10-28 09:03:02 +08:00

33 lines
805 B
Go

package testutil
import (
"testing"
"github.com/stretchr/testify/assert"
)
func testLengthHelper(generator func(int) string, t *testing.T) {
expectedLength := 20
s := generator(expectedLength)
assert.Equal(t, expectedLength, len(s))
}
func testUniquenessHelper(generator func(int) string, t *testing.T) {
repeats := 25
set := make(map[string]struct{}, repeats)
for i := 0; i < repeats; i = i + 1 {
str := generator(64)
assert.Equal(t, 64, len(str))
_, ok := set[str]
assert.False(t, ok, "Random number is repeated")
set[str] = struct{}{}
}
}
func TestGenerateRandomAlphaOnlyStringLength(t *testing.T) {
testLengthHelper(GenerateRandomAlphaOnlyString, t)
}
func TestGenerateRandomAlphaOnlyStringUniqueness(t *testing.T) {
testUniquenessHelper(GenerateRandomAlphaOnlyString, t)
}