544 lines
13 KiB
Go
544 lines
13 KiB
Go
// Copyright 2011 Google Inc. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package uuid
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import (
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"bytes"
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"fmt"
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"os"
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"strings"
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"testing"
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"time"
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)
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type test struct {
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in string
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version Version
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variant Variant
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isuuid bool
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}
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var tests = []test{
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{"f47ac10b-58cc-0372-8567-0e02b2c3d479", 0, RFC4122, true},
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{"f47ac10b-58cc-1372-8567-0e02b2c3d479", 1, RFC4122, true},
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{"f47ac10b-58cc-2372-8567-0e02b2c3d479", 2, RFC4122, true},
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{"f47ac10b-58cc-3372-8567-0e02b2c3d479", 3, RFC4122, true},
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{"f47ac10b-58cc-4372-8567-0e02b2c3d479", 4, RFC4122, true},
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{"f47ac10b-58cc-5372-8567-0e02b2c3d479", 5, RFC4122, true},
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{"f47ac10b-58cc-6372-8567-0e02b2c3d479", 6, RFC4122, true},
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{"f47ac10b-58cc-7372-8567-0e02b2c3d479", 7, RFC4122, true},
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{"f47ac10b-58cc-8372-8567-0e02b2c3d479", 8, RFC4122, true},
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{"f47ac10b-58cc-9372-8567-0e02b2c3d479", 9, RFC4122, true},
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{"f47ac10b-58cc-a372-8567-0e02b2c3d479", 10, RFC4122, true},
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{"f47ac10b-58cc-b372-8567-0e02b2c3d479", 11, RFC4122, true},
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{"f47ac10b-58cc-c372-8567-0e02b2c3d479", 12, RFC4122, true},
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{"f47ac10b-58cc-d372-8567-0e02b2c3d479", 13, RFC4122, true},
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{"f47ac10b-58cc-e372-8567-0e02b2c3d479", 14, RFC4122, true},
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{"f47ac10b-58cc-f372-8567-0e02b2c3d479", 15, RFC4122, true},
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{"urn:uuid:f47ac10b-58cc-4372-0567-0e02b2c3d479", 4, Reserved, true},
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{"URN:UUID:f47ac10b-58cc-4372-0567-0e02b2c3d479", 4, Reserved, true},
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{"f47ac10b-58cc-4372-0567-0e02b2c3d479", 4, Reserved, true},
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{"f47ac10b-58cc-4372-1567-0e02b2c3d479", 4, Reserved, true},
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{"f47ac10b-58cc-4372-2567-0e02b2c3d479", 4, Reserved, true},
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{"f47ac10b-58cc-4372-3567-0e02b2c3d479", 4, Reserved, true},
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{"f47ac10b-58cc-4372-4567-0e02b2c3d479", 4, Reserved, true},
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{"f47ac10b-58cc-4372-5567-0e02b2c3d479", 4, Reserved, true},
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{"f47ac10b-58cc-4372-6567-0e02b2c3d479", 4, Reserved, true},
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{"f47ac10b-58cc-4372-7567-0e02b2c3d479", 4, Reserved, true},
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{"f47ac10b-58cc-4372-8567-0e02b2c3d479", 4, RFC4122, true},
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{"f47ac10b-58cc-4372-9567-0e02b2c3d479", 4, RFC4122, true},
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{"f47ac10b-58cc-4372-a567-0e02b2c3d479", 4, RFC4122, true},
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{"f47ac10b-58cc-4372-b567-0e02b2c3d479", 4, RFC4122, true},
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{"f47ac10b-58cc-4372-c567-0e02b2c3d479", 4, Microsoft, true},
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{"f47ac10b-58cc-4372-d567-0e02b2c3d479", 4, Microsoft, true},
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{"f47ac10b-58cc-4372-e567-0e02b2c3d479", 4, Future, true},
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{"f47ac10b-58cc-4372-f567-0e02b2c3d479", 4, Future, true},
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{"f47ac10b158cc-5372-a567-0e02b2c3d479", 0, Invalid, false},
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{"f47ac10b-58cc25372-a567-0e02b2c3d479", 0, Invalid, false},
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{"f47ac10b-58cc-53723a567-0e02b2c3d479", 0, Invalid, false},
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{"f47ac10b-58cc-5372-a56740e02b2c3d479", 0, Invalid, false},
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{"f47ac10b-58cc-5372-a567-0e02-2c3d479", 0, Invalid, false},
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{"g47ac10b-58cc-4372-a567-0e02b2c3d479", 0, Invalid, false},
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}
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var constants = []struct {
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c interface{}
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name string
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}{
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{Person, "Person"},
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{Group, "Group"},
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{Org, "Org"},
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{Invalid, "Invalid"},
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{RFC4122, "RFC4122"},
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{Reserved, "Reserved"},
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{Microsoft, "Microsoft"},
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{Future, "Future"},
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{Domain(17), "Domain17"},
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{Variant(42), "BadVariant42"},
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}
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func testTest(t *testing.T, in string, tt test) {
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uuid := Parse(in)
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if ok := (uuid != nil); ok != tt.isuuid {
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t.Errorf("Parse(%s) got %v expected %v\b", in, ok, tt.isuuid)
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}
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if uuid == nil {
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return
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}
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if v := uuid.Variant(); v != tt.variant {
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t.Errorf("Variant(%s) got %d expected %d\b", in, v, tt.variant)
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}
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if v, _ := uuid.Version(); v != tt.version {
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t.Errorf("Version(%s) got %d expected %d\b", in, v, tt.version)
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}
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}
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func TestUUID(t *testing.T) {
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for _, tt := range tests {
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testTest(t, tt.in, tt)
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testTest(t, strings.ToUpper(tt.in), tt)
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}
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}
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func TestConstants(t *testing.T) {
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for x, tt := range constants {
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v, ok := tt.c.(fmt.Stringer)
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if !ok {
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t.Errorf("%x: %v: not a stringer", x, v)
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} else if s := v.String(); s != tt.name {
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v, _ := tt.c.(int)
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t.Errorf("%x: Constant %T:%d gives %q, expected %q", x, tt.c, v, s, tt.name)
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}
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}
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}
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func TestRandomUUID(t *testing.T) {
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m := make(map[string]bool)
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for x := 1; x < 32; x++ {
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uuid := NewRandom()
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s := uuid.String()
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if m[s] {
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t.Errorf("NewRandom returned duplicated UUID %s", s)
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}
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m[s] = true
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if v, _ := uuid.Version(); v != 4 {
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t.Errorf("Random UUID of version %s", v)
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}
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if uuid.Variant() != RFC4122 {
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t.Errorf("Random UUID is variant %d", uuid.Variant())
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}
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}
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}
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func TestNew(t *testing.T) {
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m := make(map[string]bool)
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for x := 1; x < 32; x++ {
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s := New()
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if m[s] {
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t.Errorf("New returned duplicated UUID %s", s)
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}
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m[s] = true
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uuid := Parse(s)
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if uuid == nil {
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t.Errorf("New returned %q which does not decode", s)
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continue
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}
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if v, _ := uuid.Version(); v != 4 {
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t.Errorf("Random UUID of version %s", v)
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}
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if uuid.Variant() != RFC4122 {
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t.Errorf("Random UUID is variant %d", uuid.Variant())
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}
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}
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}
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func clockSeq(t *testing.T, uuid UUID) int {
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seq, ok := uuid.ClockSequence()
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if !ok {
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t.Fatalf("%s: invalid clock sequence", uuid)
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}
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return seq
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}
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func TestClockSeq(t *testing.T) {
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// Fake time.Now for this test to return a monotonically advancing time; restore it at end.
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defer func(orig func() time.Time) { timeNow = orig }(timeNow)
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monTime := time.Now()
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timeNow = func() time.Time {
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monTime = monTime.Add(1 * time.Second)
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return monTime
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}
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SetClockSequence(-1)
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uuid1 := NewUUID()
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uuid2 := NewUUID()
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if clockSeq(t, uuid1) != clockSeq(t, uuid2) {
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t.Errorf("clock sequence %d != %d", clockSeq(t, uuid1), clockSeq(t, uuid2))
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}
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SetClockSequence(-1)
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uuid2 = NewUUID()
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// Just on the very off chance we generated the same sequence
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// two times we try again.
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if clockSeq(t, uuid1) == clockSeq(t, uuid2) {
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SetClockSequence(-1)
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uuid2 = NewUUID()
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}
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if clockSeq(t, uuid1) == clockSeq(t, uuid2) {
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t.Errorf("Duplicate clock sequence %d", clockSeq(t, uuid1))
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}
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SetClockSequence(0x1234)
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uuid1 = NewUUID()
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if seq := clockSeq(t, uuid1); seq != 0x1234 {
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t.Errorf("%s: expected seq 0x1234 got 0x%04x", uuid1, seq)
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}
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}
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func TestCoding(t *testing.T) {
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text := "7d444840-9dc0-11d1-b245-5ffdce74fad2"
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urn := "urn:uuid:7d444840-9dc0-11d1-b245-5ffdce74fad2"
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data := UUID{
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0x7d, 0x44, 0x48, 0x40,
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0x9d, 0xc0,
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0x11, 0xd1,
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0xb2, 0x45,
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0x5f, 0xfd, 0xce, 0x74, 0xfa, 0xd2,
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}
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if v := data.String(); v != text {
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t.Errorf("%x: encoded to %s, expected %s", data, v, text)
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}
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if v := data.URN(); v != urn {
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t.Errorf("%x: urn is %s, expected %s", data, v, urn)
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}
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uuid := Parse(text)
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if !Equal(uuid, data) {
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t.Errorf("%s: decoded to %s, expected %s", text, uuid, data)
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}
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}
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func TestVersion1(t *testing.T) {
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uuid1 := NewUUID()
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uuid2 := NewUUID()
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if Equal(uuid1, uuid2) {
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t.Errorf("%s:duplicate uuid", uuid1)
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}
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if v, _ := uuid1.Version(); v != 1 {
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t.Errorf("%s: version %s expected 1", uuid1, v)
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}
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if v, _ := uuid2.Version(); v != 1 {
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t.Errorf("%s: version %s expected 1", uuid2, v)
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}
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n1 := uuid1.NodeID()
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n2 := uuid2.NodeID()
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if !bytes.Equal(n1, n2) {
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t.Errorf("Different nodes %x != %x", n1, n2)
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}
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t1, ok := uuid1.Time()
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if !ok {
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t.Errorf("%s: invalid time", uuid1)
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}
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t2, ok := uuid2.Time()
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if !ok {
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t.Errorf("%s: invalid time", uuid2)
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}
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q1, ok := uuid1.ClockSequence()
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if !ok {
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t.Errorf("%s: invalid clock sequence", uuid1)
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}
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q2, ok := uuid2.ClockSequence()
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if !ok {
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t.Errorf("%s: invalid clock sequence", uuid2)
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}
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switch {
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case t1 == t2 && q1 == q2:
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t.Error("time stopped")
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case t1 > t2 && q1 == q2:
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t.Error("time reversed")
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case t1 < t2 && q1 != q2:
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t.Error("clock sequence chaned unexpectedly")
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}
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}
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func TestNode(t *testing.T) {
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// This test is mostly to make sure we don't leave nodeMu locked.
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ifname = ""
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if ni := NodeInterface(); ni != "" {
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t.Errorf("NodeInterface got %q, want %q", ni, "")
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}
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if SetNodeInterface("xyzzy") {
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t.Error("SetNodeInterface succeeded on a bad interface name")
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}
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if !SetNodeInterface("") {
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t.Error("SetNodeInterface failed")
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}
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if ni := NodeInterface(); ni == "" {
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t.Error("NodeInterface returned an empty string")
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}
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ni := NodeID()
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if len(ni) != 6 {
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t.Errorf("ni got %d bytes, want 6", len(ni))
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}
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hasData := false
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for _, b := range ni {
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if b != 0 {
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hasData = true
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}
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}
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if !hasData {
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t.Error("nodeid is all zeros")
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}
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id := []byte{1, 2, 3, 4, 5, 6, 7, 8}
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SetNodeID(id)
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ni = NodeID()
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if !bytes.Equal(ni, id[:6]) {
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t.Errorf("got nodeid %v, want %v", ni, id[:6])
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}
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if ni := NodeInterface(); ni != "user" {
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t.Errorf("got inteface %q, want %q", ni, "user")
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}
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}
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func TestNodeAndTime(t *testing.T) {
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// Time is February 5, 1998 12:30:23.136364800 AM GMT
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uuid := Parse("7d444840-9dc0-11d1-b245-5ffdce74fad2")
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node := []byte{0x5f, 0xfd, 0xce, 0x74, 0xfa, 0xd2}
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ts, ok := uuid.Time()
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if ok {
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c := time.Unix(ts.UnixTime())
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want := time.Date(1998, 2, 5, 0, 30, 23, 136364800, time.UTC)
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if !c.Equal(want) {
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t.Errorf("Got time %v, want %v", c, want)
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}
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} else {
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t.Errorf("%s: bad time", uuid)
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}
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if !bytes.Equal(node, uuid.NodeID()) {
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t.Errorf("Expected node %v got %v", node, uuid.NodeID())
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}
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}
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func TestMD5(t *testing.T) {
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uuid := NewMD5(NameSpace_DNS, []byte("python.org")).String()
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want := "6fa459ea-ee8a-3ca4-894e-db77e160355e"
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if uuid != want {
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t.Errorf("MD5: got %q expected %q", uuid, want)
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}
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}
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func TestSHA1(t *testing.T) {
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uuid := NewSHA1(NameSpace_DNS, []byte("python.org")).String()
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want := "886313e1-3b8a-5372-9b90-0c9aee199e5d"
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if uuid != want {
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t.Errorf("SHA1: got %q expected %q", uuid, want)
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}
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}
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func TestNodeID(t *testing.T) {
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nid := []byte{1, 2, 3, 4, 5, 6}
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SetNodeInterface("")
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s := NodeInterface()
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if s == "" || s == "user" {
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t.Errorf("NodeInterface %q after SetInteface", s)
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}
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node1 := NodeID()
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if node1 == nil {
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t.Error("NodeID nil after SetNodeInterface", s)
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}
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SetNodeID(nid)
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s = NodeInterface()
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if s != "user" {
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t.Errorf("Expected NodeInterface %q got %q", "user", s)
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}
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node2 := NodeID()
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if node2 == nil {
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t.Error("NodeID nil after SetNodeID", s)
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}
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if bytes.Equal(node1, node2) {
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t.Error("NodeID not changed after SetNodeID", s)
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} else if !bytes.Equal(nid, node2) {
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t.Errorf("NodeID is %x, expected %x", node2, nid)
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}
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}
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func testDCE(t *testing.T, name string, uuid UUID, domain Domain, id uint32) {
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if uuid == nil {
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t.Errorf("%s failed", name)
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return
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}
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if v, _ := uuid.Version(); v != 2 {
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t.Errorf("%s: %s: expected version 2, got %s", name, uuid, v)
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return
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}
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if v, ok := uuid.Domain(); !ok || v != domain {
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if !ok {
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t.Errorf("%s: %d: Domain failed", name, uuid)
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} else {
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t.Errorf("%s: %s: expected domain %d, got %d", name, uuid, domain, v)
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}
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}
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if v, ok := uuid.Id(); !ok || v != id {
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if !ok {
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t.Errorf("%s: %d: Id failed", name, uuid)
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} else {
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t.Errorf("%s: %s: expected id %d, got %d", name, uuid, id, v)
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}
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}
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}
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func TestDCE(t *testing.T) {
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testDCE(t, "NewDCESecurity", NewDCESecurity(42, 12345678), 42, 12345678)
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testDCE(t, "NewDCEPerson", NewDCEPerson(), Person, uint32(os.Getuid()))
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testDCE(t, "NewDCEGroup", NewDCEGroup(), Group, uint32(os.Getgid()))
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}
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type badRand struct{}
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func (r badRand) Read(buf []byte) (int, error) {
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for i, _ := range buf {
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buf[i] = byte(i)
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}
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return len(buf), nil
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}
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func TestBadRand(t *testing.T) {
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SetRand(badRand{})
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uuid1 := New()
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uuid2 := New()
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if uuid1 != uuid2 {
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t.Errorf("expected duplicates, got %q and %q", uuid1, uuid2)
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}
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SetRand(nil)
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uuid1 = New()
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uuid2 = New()
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if uuid1 == uuid2 {
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t.Errorf("unexpected duplicates, got %q", uuid1)
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}
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}
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func TestUUID_Array(t *testing.T) {
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expect := Array{
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0xf4, 0x7a, 0xc1, 0x0b,
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0x58, 0xcc,
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0x03, 0x72,
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0x85, 0x67,
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0x0e, 0x02, 0xb2, 0xc3, 0xd4, 0x79,
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}
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uuid := Parse("f47ac10b-58cc-0372-8567-0e02b2c3d479")
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if uuid == nil {
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t.Fatal("invalid uuid")
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}
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if uuid.Array() != expect {
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t.Fatal("invalid array")
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}
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}
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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")
|
|
}
|
|
}
|
|
}
|