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// Copyright 2011 Google Inc. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package uuid
// Some of these tests can probably be removed as they are redundant with the
// tests in github.com/google/uuid.
import (
"bytes"
"fmt"
"os"
"strings"
"testing"
)
type test struct {
in string
version Version
variant Variant
isuuid bool
}
var tests = []test{
{"f47ac10b-58cc-0372-8567-0e02b2c3d479", 0, RFC4122, true},
{"f47ac10b-58cc-1372-8567-0e02b2c3d479", 1, RFC4122, true},
{"f47ac10b-58cc-2372-8567-0e02b2c3d479", 2, RFC4122, true},
{"f47ac10b-58cc-3372-8567-0e02b2c3d479", 3, RFC4122, true},
{"f47ac10b-58cc-4372-8567-0e02b2c3d479", 4, RFC4122, true},
{"f47ac10b-58cc-5372-8567-0e02b2c3d479", 5, RFC4122, true},
{"f47ac10b-58cc-6372-8567-0e02b2c3d479", 6, RFC4122, true},
{"f47ac10b-58cc-7372-8567-0e02b2c3d479", 7, RFC4122, true},
{"f47ac10b-58cc-8372-8567-0e02b2c3d479", 8, RFC4122, true},
{"f47ac10b-58cc-9372-8567-0e02b2c3d479", 9, RFC4122, true},
{"f47ac10b-58cc-a372-8567-0e02b2c3d479", 10, RFC4122, true},
{"f47ac10b-58cc-b372-8567-0e02b2c3d479", 11, RFC4122, true},
{"f47ac10b-58cc-c372-8567-0e02b2c3d479", 12, RFC4122, true},
{"f47ac10b-58cc-d372-8567-0e02b2c3d479", 13, RFC4122, true},
{"f47ac10b-58cc-e372-8567-0e02b2c3d479", 14, RFC4122, true},
{"f47ac10b-58cc-f372-8567-0e02b2c3d479", 15, RFC4122, true},
{"urn:uuid:f47ac10b-58cc-4372-0567-0e02b2c3d479", 4, Reserved, true},
{"URN:UUID:f47ac10b-58cc-4372-0567-0e02b2c3d479", 4, Reserved, true},
{"f47ac10b-58cc-4372-0567-0e02b2c3d479", 4, Reserved, true},
{"f47ac10b-58cc-4372-1567-0e02b2c3d479", 4, Reserved, true},
{"f47ac10b-58cc-4372-2567-0e02b2c3d479", 4, Reserved, true},
{"f47ac10b-58cc-4372-3567-0e02b2c3d479", 4, Reserved, true},
{"f47ac10b-58cc-4372-4567-0e02b2c3d479", 4, Reserved, true},
{"f47ac10b-58cc-4372-5567-0e02b2c3d479", 4, Reserved, true},
{"f47ac10b-58cc-4372-6567-0e02b2c3d479", 4, Reserved, true},
{"f47ac10b-58cc-4372-7567-0e02b2c3d479", 4, Reserved, true},
{"f47ac10b-58cc-4372-8567-0e02b2c3d479", 4, RFC4122, true},
{"f47ac10b-58cc-4372-9567-0e02b2c3d479", 4, RFC4122, true},
{"f47ac10b-58cc-4372-a567-0e02b2c3d479", 4, RFC4122, true},
{"f47ac10b-58cc-4372-b567-0e02b2c3d479", 4, RFC4122, true},
{"f47ac10b-58cc-4372-c567-0e02b2c3d479", 4, Microsoft, true},
{"f47ac10b-58cc-4372-d567-0e02b2c3d479", 4, Microsoft, true},
{"f47ac10b-58cc-4372-e567-0e02b2c3d479", 4, Future, true},
{"f47ac10b-58cc-4372-f567-0e02b2c3d479", 4, Future, true},
{"f47ac10b158cc-5372-a567-0e02b2c3d479", 0, Invalid, false},
{"f47ac10b-58cc25372-a567-0e02b2c3d479", 0, Invalid, false},
{"f47ac10b-58cc-53723a567-0e02b2c3d479", 0, Invalid, false},
{"f47ac10b-58cc-5372-a56740e02b2c3d479", 0, Invalid, false},
{"f47ac10b-58cc-5372-a567-0e02-2c3d479", 0, Invalid, false},
{"g47ac10b-58cc-4372-a567-0e02b2c3d479", 0, Invalid, false},
}
var constants = []struct {
c interface{}
name string
}{
{Person, "Person"},
{Group, "Group"},
{Org, "Org"},
{Invalid, "Invalid"},
{RFC4122, "RFC4122"},
{Reserved, "Reserved"},
{Microsoft, "Microsoft"},
{Future, "Future"},
{Domain(17), "Domain17"},
{Variant(42), "BadVariant42"},
}
func testTest(t *testing.T, in string, tt test) {
uuid := Parse(in)
if ok := (uuid != nil); ok != tt.isuuid {
t.Errorf("Parse(%s) got %v expected %v\b", in, ok, tt.isuuid)
}
if uuid == nil {
return
}
if v := uuid.Variant(); v != tt.variant {
t.Errorf("Variant(%s) got %d expected %d\b", in, v, tt.variant)
}
if v, _ := uuid.Version(); v != tt.version {
t.Errorf("Version(%s) got %d expected %d\b", in, v, tt.version)
}
}
func TestUUID(t *testing.T) {
for _, tt := range tests {
testTest(t, tt.in, tt)
testTest(t, strings.ToUpper(tt.in), tt)
}
}
func TestConstants(t *testing.T) {
for x, tt := range constants {
v, ok := tt.c.(fmt.Stringer)
if !ok {
t.Errorf("%x: %v: not a stringer", x, v)
} else if s := v.String(); s != tt.name {
v, _ := tt.c.(int)
t.Errorf("%x: Constant %T:%d gives %q, expected %q", x, tt.c, v, s, tt.name)
}
}
}
func TestRandomUUID(t *testing.T) {
m := make(map[string]bool)
for x := 1; x < 32; x++ {
uuid := NewRandom()
s := uuid.String()
if m[s] {
t.Errorf("NewRandom returned duplicated UUID %s", s)
}
m[s] = true
if v, _ := uuid.Version(); v != 4 {
t.Errorf("Random UUID of version %s", v)
}
if uuid.Variant() != RFC4122 {
t.Errorf("Random UUID is variant %d", uuid.Variant())
}
}
}
func TestNew(t *testing.T) {
m := make(map[string]bool)
for x := 1; x < 32; x++ {
s := New()
if m[s] {
t.Errorf("New returned duplicated UUID %s", s)
}
m[s] = true
uuid := Parse(s)
if uuid == nil {
t.Errorf("New returned %q which does not decode", s)
continue
}
if v, _ := uuid.Version(); v != 4 {
t.Errorf("Random UUID of version %s", v)
}
if uuid.Variant() != RFC4122 {
t.Errorf("Random UUID is variant %d", uuid.Variant())
}
}
}
func TestCoding(t *testing.T) {
text := "7d444840-9dc0-11d1-b245-5ffdce74fad2"
urn := "urn:uuid:7d444840-9dc0-11d1-b245-5ffdce74fad2"
data := UUID{
0x7d, 0x44, 0x48, 0x40,
0x9d, 0xc0,
0x11, 0xd1,
0xb2, 0x45,
0x5f, 0xfd, 0xce, 0x74, 0xfa, 0xd2,
}
if v := data.String(); v != text {
t.Errorf("%x: encoded to %s, expected %s", data, v, text)
}
if v := data.URN(); v != urn {
t.Errorf("%x: urn is %s, expected %s", data, v, urn)
}
uuid := Parse(text)
if !Equal(uuid, data) {
t.Errorf("%s: decoded to %s, expected %s", text, uuid, data)
}
}
func TestVersion1(t *testing.T) {
uuid1 := NewUUID()
uuid2 := NewUUID()
if Equal(uuid1, uuid2) {
t.Errorf("%s:duplicate uuid", uuid1)
}
if v, _ := uuid1.Version(); v != 1 {
t.Errorf("%s: version %s expected 1", uuid1, v)
}
if v, _ := uuid2.Version(); v != 1 {
t.Errorf("%s: version %s expected 1", uuid2, v)
}
n1 := uuid1.NodeID()
n2 := uuid2.NodeID()
if !bytes.Equal(n1, n2) {
t.Errorf("Different nodes %x != %x", n1, n2)
}
t1, ok := uuid1.Time()
if !ok {
t.Errorf("%s: invalid time", uuid1)
}
t2, ok := uuid2.Time()
if !ok {
t.Errorf("%s: invalid time", uuid2)
}
q1, ok := uuid1.ClockSequence()
if !ok {
t.Errorf("%s: invalid clock sequence", uuid1)
}
q2, ok := uuid2.ClockSequence()
if !ok {
t.Errorf("%s: invalid clock sequence", uuid2)
}
switch {
case t1 == t2 && q1 == q2:
t.Error("time stopped")
case t1 > t2 && q1 == q2:
t.Error("time reversed")
case t1 < t2 && q1 != q2:
t.Error("clock sequence chaned unexpectedly")
}
}
func TestMD5(t *testing.T) {
uuid := NewMD5(NameSpace_DNS, []byte("python.org")).String()
want := "6fa459ea-ee8a-3ca4-894e-db77e160355e"
if uuid != want {
t.Errorf("MD5: got %q expected %q", uuid, want)
}
}
func TestSHA1(t *testing.T) {
uuid := NewSHA1(NameSpace_DNS, []byte("python.org")).String()
want := "886313e1-3b8a-5372-9b90-0c9aee199e5d"
if uuid != want {
t.Errorf("SHA1: got %q expected %q", uuid, want)
}
}
func testDCE(t *testing.T, name string, uuid UUID, domain Domain, id uint32) {
if uuid == nil {
t.Errorf("%s failed", name)
return
}
if v, _ := uuid.Version(); v != 2 {
t.Errorf("%s: %s: expected version 2, got %s", name, uuid, v)
return
}
if v, ok := uuid.Domain(); !ok || v != domain {
if !ok {
t.Errorf("%s: %d: Domain failed", name, uuid)
} else {
t.Errorf("%s: %s: expected domain %d, got %d", name, uuid, domain, v)
}
}
if v, ok := uuid.Id(); !ok || v != id {
if !ok {
t.Errorf("%s: %d: Id failed", name, uuid)
} else {
t.Errorf("%s: %s: expected id %d, got %d", name, uuid, id, v)
}
}
}
func TestDCE(t *testing.T) {
testDCE(t, "NewDCESecurity", NewDCESecurity(42, 12345678), 42, 12345678)
testDCE(t, "NewDCEPerson", NewDCEPerson(), Person, uint32(os.Getuid()))
testDCE(t, "NewDCEGroup", NewDCEGroup(), Group, uint32(os.Getgid()))
}
type badRand struct{}
func (r badRand) Read(buf []byte) (int, error) {
for i, _ := range buf {
buf[i] = byte(i)
}
return len(buf), nil
}
func TestBadRand(t *testing.T) {
SetRand(badRand{})
uuid1 := New()
uuid2 := New()
if uuid1 != uuid2 {
t.Errorf("expected duplicates, got %q and %q", uuid1, uuid2)
}
SetRand(nil)
uuid1 = New()
uuid2 = New()
if uuid1 == uuid2 {
t.Errorf("unexpected duplicates, got %q", uuid1)
}
}
func TestUUID_Array(t *testing.T) {
expect := Array{
0xf4, 0x7a, 0xc1, 0x0b,
0x58, 0xcc,
0x03, 0x72,
0x85, 0x67,
0x0e, 0x02, 0xb2, 0xc3, 0xd4, 0x79,
}
uuid := Parse("f47ac10b-58cc-0372-8567-0e02b2c3d479")
if uuid == nil {
t.Fatal("invalid uuid")
}
if uuid.Array() != expect {
t.Fatal("invalid array")
}
}
func TestArray_UUID(t *testing.T) {
array := Array{
0xf4, 0x7a, 0xc1, 0x0b,
0x58, 0xcc,
0x03, 0x72,
0x85, 0x67,
0x0e, 0x02, 0xb2, 0xc3, 0xd4, 0x79,
}
expect := Parse("f47ac10b-58cc-0372-8567-0e02b2c3d479")
if expect == nil {
t.Fatal("invalid uuid")
}
if !bytes.Equal(array.UUID(), expect) {
t.Fatal("invalid uuid")
}
}
func BenchmarkParse(b *testing.B) {
for i := 0; i < b.N; i++ {
uuid := Parse("f47ac10b-58cc-0372-8567-0e02b2c3d479")
if uuid == nil {
b.Fatal("invalid uuid")
}
}
}
func BenchmarkNew(b *testing.B) {
for i := 0; i < b.N; i++ {
New()
}
}
func BenchmarkUUID_String(b *testing.B) {
uuid := Parse("f47ac10b-58cc-0372-8567-0e02b2c3d479")
if uuid == nil {
b.Fatal("invalid uuid")
}
for i := 0; i < b.N; i++ {
if uuid.String() == "" {
b.Fatal("invalid uuid")
}
}
}
func BenchmarkUUID_URN(b *testing.B) {
uuid := Parse("f47ac10b-58cc-0372-8567-0e02b2c3d479")
if uuid == nil {
b.Fatal("invalid uuid")
}
for i := 0; i < b.N; i++ {
if uuid.URN() == "" {
b.Fatal("invalid uuid")
}
}
}
func BenchmarkUUID_Array(b *testing.B) {
expect := Array{
0xf4, 0x7a, 0xc1, 0x0b,
0x58, 0xcc,
0x03, 0x72,
0x85, 0x67,
0x0e, 0x02, 0xb2, 0xc3, 0xd4, 0x79,
}
uuid := Parse("f47ac10b-58cc-0372-8567-0e02b2c3d479")
if uuid == nil {
b.Fatal("invalid uuid")
}
for i := 0; i < b.N; i++ {
if uuid.Array() != expect {
b.Fatal("invalid array")
}
}
}
func BenchmarkArray_UUID(b *testing.B) {
array := Array{
0xf4, 0x7a, 0xc1, 0x0b,
0x58, 0xcc,
0x03, 0x72,
0x85, 0x67,
0x0e, 0x02, 0xb2, 0xc3, 0xd4, 0x79,
}
expect := Parse("f47ac10b-58cc-0372-8567-0e02b2c3d479")
if expect == nil {
b.Fatal("invalid uuid")
}
for i := 0; i < b.N; i++ {
if !bytes.Equal(array.UUID(), expect) {
b.Fatal("invalid uuid")
}
}
}