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moby--moby/internal/testutil/stringutils_test.go
Daniel Nephin 4f0d95fa6e Add canonical import comment
Signed-off-by: Daniel Nephin <dnephin@docker.com>
2018-02-05 16:51:57 -05:00

33 lines
860 B
Go

package testutil // import "github.com/docker/docker/internal/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)
}