grafana/pkg/util/shortid_generator_test.go
2023-06-05 11:21:11 +02:00

87 lines
2.1 KiB
Go

package util
import (
"sync"
"testing"
"github.com/google/uuid"
"github.com/stretchr/testify/require"
"k8s.io/apimachinery/pkg/util/validation"
)
func TestAllowedCharMatchesUidPattern(t *testing.T) {
for _, c := range alphaRunes {
if !IsValidShortUID(string(c)) {
t.Fatalf("charset for creating new shortids contains chars not present in uid pattern")
}
}
}
// Run with "go test -race -run ^TestThreadSafe$ github.com/grafana/grafana/pkg/util"
func TestThreadSafe(t *testing.T) {
// This test was used to showcase the bug, unfortunately there is
// no way to enable the -race flag programmatically.
t.Skip()
// Use 1000 go routines to create 100 UIDs each at roughly the same time.
var wg sync.WaitGroup
for i := 0; i < 1000; i++ {
go func() {
for ii := 0; ii < 100; ii++ {
_ = GenerateShortUID()
}
wg.Done()
}()
wg.Add(1)
}
wg.Wait()
}
func TestRandomUIDs(t *testing.T) {
for i := 0; i < 100; i++ {
v := GenerateShortUID()
if !IsValidShortUID(v) {
t.Fatalf("charset for creating new shortids contains chars not present in uid pattern")
}
validation := validation.IsQualifiedName(v)
if validation != nil {
t.Fatalf("created invalid name: %v", validation)
}
_, err := uuid.Parse(v)
require.NoError(t, err)
//fmt.Println(v)
}
// t.FailNow()
}
func TestIsShortUIDTooLong(t *testing.T) {
var tests = []struct {
name string
uid string
expected bool
}{
{
name: "when the length of uid is longer than 40 chars then IsShortUIDTooLong should return true",
uid: string(alphaRunes) + string(alphaRunes),
expected: true,
},
{
name: "when the length of uid is equal too 40 chars then IsShortUIDTooLong should return false",
uid: "0123456789012345678901234567890123456789",
expected: false,
},
{
name: "when the length of uid is shorter than 40 chars then IsShortUIDTooLong should return false",
uid: "012345678901234567890123456789012345678",
expected: false,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
require.Equal(t, tt.expected, IsShortUIDTooLong(tt.uid))
})
}
}