Files
nats-server/server/util_test.go
Ivan Kozlovic 91bdcc30cc [FIXED] Server version check
Signed-off-by: Ivan Kozlovic <ivan@synadia.com>
2022-03-25 12:11:55 -06:00

312 lines
8.3 KiB
Go

// Copyright 2012-2018 The NATS Authors
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package server
import (
"math"
"math/rand"
"net/url"
"reflect"
"strconv"
"sync"
"testing"
"time"
)
func TestParseSize(t *testing.T) {
if parseSize(nil) != -1 {
t.Fatal("Should error on nil byte slice")
}
n := []byte("12345678")
if pn := parseSize(n); pn != 12345678 {
t.Fatalf("Did not parse %q correctly, res=%d", n, pn)
}
n = []byte("12345invalid678")
if pn := parseSize(n); pn != -1 {
t.Fatalf("Should error on %q, res=%d", n, pn)
}
}
func TestParseSInt64(t *testing.T) {
if parseInt64(nil) != -1 {
t.Fatal("Should error on nil byte slice")
}
n := []byte("12345678")
if pn := parseInt64(n); pn != 12345678 {
t.Fatalf("Did not parse %q correctly, res=%d", n, pn)
}
n = []byte("12345invalid678")
if pn := parseInt64(n); pn != -1 {
t.Fatalf("Should error on %q, res=%d", n, pn)
}
}
func TestParseHostPort(t *testing.T) {
check := func(hostPort string, defaultPort int, expectedHost string, expectedPort int, expectedErr bool) {
h, p, err := parseHostPort(hostPort, defaultPort)
if expectedErr {
if err == nil {
stackFatalf(t, "Expected an error, did not get one")
}
// expected error, so we are done
return
}
if !expectedErr && err != nil {
stackFatalf(t, "Unexpected error: %v", err)
}
if expectedHost != h {
stackFatalf(t, "Expected host %q, got %q", expectedHost, h)
}
if expectedPort != p {
stackFatalf(t, "Expected port %d, got %d", expectedPort, p)
}
}
check("addr:1234", 5678, "addr", 1234, false)
check(" addr:1234 ", 5678, "addr", 1234, false)
check(" addr : 1234 ", 5678, "addr", 1234, false)
check("addr", 5678, "addr", 5678, false)
check(" addr ", 5678, "addr", 5678, false)
check("addr:-1", 5678, "addr", 5678, false)
check(" addr:-1 ", 5678, "addr", 5678, false)
check(" addr : -1 ", 5678, "addr", 5678, false)
check("addr:0", 5678, "addr", 5678, false)
check(" addr:0 ", 5678, "addr", 5678, false)
check(" addr : 0 ", 5678, "addr", 5678, false)
check("addr:addr", 0, "", 0, true)
check("addr:::1234", 0, "", 0, true)
check("", 0, "", 0, true)
}
func TestURLsAreEqual(t *testing.T) {
check := func(t *testing.T, u1Str, u2Str string, expectedSame bool) {
t.Helper()
u1, err := url.Parse(u1Str)
if err != nil {
t.Fatalf("Error parsing url %q: %v", u1Str, err)
}
u2, err := url.Parse(u2Str)
if err != nil {
t.Fatalf("Error parsing url %q: %v", u2Str, err)
}
same := urlsAreEqual(u1, u2)
if expectedSame && !same {
t.Fatalf("Expected %v and %v to be the same, they were not", u1, u2)
} else if !expectedSame && same {
t.Fatalf("Expected %v and %v to be different, they were not", u1, u2)
}
}
check(t, "nats://localhost:4222", "nats://localhost:4222", true)
check(t, "nats://ivan:pwd@localhost:4222", "nats://ivan:pwd@localhost:4222", true)
check(t, "nats://ivan@localhost:4222", "nats://ivan@localhost:4222", true)
check(t, "nats://ivan:@localhost:4222", "nats://ivan:@localhost:4222", true)
check(t, "nats://host1:4222", "nats://host2:4222", false)
}
func TestComma(t *testing.T) {
type testList []struct {
name, got, exp string
}
l := testList{
{"0", comma(0), "0"},
{"10", comma(10), "10"},
{"100", comma(100), "100"},
{"1,000", comma(1000), "1,000"},
{"10,000", comma(10000), "10,000"},
{"100,000", comma(100000), "100,000"},
{"10,000,000", comma(10000000), "10,000,000"},
{"10,100,000", comma(10100000), "10,100,000"},
{"10,010,000", comma(10010000), "10,010,000"},
{"10,001,000", comma(10001000), "10,001,000"},
{"123,456,789", comma(123456789), "123,456,789"},
{"maxint", comma(9.223372e+18), "9,223,372,000,000,000,000"},
{"math.maxint", comma(math.MaxInt64), "9,223,372,036,854,775,807"},
{"math.minint", comma(math.MinInt64), "-9,223,372,036,854,775,808"},
{"minint", comma(-9.223372e+18), "-9,223,372,000,000,000,000"},
{"-123,456,789", comma(-123456789), "-123,456,789"},
{"-10,100,000", comma(-10100000), "-10,100,000"},
{"-10,010,000", comma(-10010000), "-10,010,000"},
{"-10,001,000", comma(-10001000), "-10,001,000"},
{"-10,000,000", comma(-10000000), "-10,000,000"},
{"-100,000", comma(-100000), "-100,000"},
{"-10,000", comma(-10000), "-10,000"},
{"-1,000", comma(-1000), "-1,000"},
{"-100", comma(-100), "-100"},
{"-10", comma(-10), "-10"},
}
failed := false
for _, test := range l {
if test.got != test.exp {
t.Errorf("On %v, expected '%v', but got '%v'",
test.name, test.exp, test.got)
failed = true
}
}
if failed {
t.FailNow()
}
}
func TestURLRedaction(t *testing.T) {
redactionFromTo := []struct {
Full string
Safe string
}{
{"nats://foo:bar@example.org", "nats://foo:xxxxx@example.org"},
{"nats://foo@example.org", "nats://foo@example.org"},
{"nats://example.org", "nats://example.org"},
{"nats://example.org/foo?bar=1", "nats://example.org/foo?bar=1"},
}
var err error
listFull := make([]*url.URL, len(redactionFromTo))
listSafe := make([]*url.URL, len(redactionFromTo))
for i := range redactionFromTo {
r := redactURLString(redactionFromTo[i].Full)
if r != redactionFromTo[i].Safe {
t.Fatalf("Redacting URL [index %d] %q, expected %q got %q", i, redactionFromTo[i].Full, redactionFromTo[i].Safe, r)
}
if listFull[i], err = url.Parse(redactionFromTo[i].Full); err != nil {
t.Fatalf("Redacting URL index %d parse Full failed: %v", i, err)
}
if listSafe[i], err = url.Parse(redactionFromTo[i].Safe); err != nil {
t.Fatalf("Redacting URL index %d parse Safe failed: %v", i, err)
}
}
results := redactURLList(listFull)
if !reflect.DeepEqual(results, listSafe) {
t.Fatalf("Redacting URL list did not compare equal, even after each URL did")
}
}
func TestVersionAtLeast(t *testing.T) {
for _, test := range []struct {
version string
major int
minor int
update int
result bool
}{
{"2.0.0-beta", 1, 9, 9, true},
{"2.0.0", 1, 99, 9, true},
{"2.2.0", 2, 1, 9, true},
{"2.2.2", 2, 2, 2, true},
{"2.2.2", 2, 2, 3, false},
{"2.2.2", 2, 3, 2, false},
{"2.2.2", 3, 2, 2, false},
{"2.22.2", 3, 0, 0, false},
{"2.2.22", 2, 3, 0, false},
{"bad.version", 1, 2, 3, false},
} {
t.Run(_EMPTY_, func(t *testing.T) {
if res := versionAtLeast(test.version, test.major, test.minor, test.update); res != test.result {
t.Fatalf("For check version %q at least %d.%d.%d result should have been %v, got %v",
test.version, test.major, test.minor, test.update, test.result, res)
}
})
}
}
func BenchmarkParseInt(b *testing.B) {
b.SetBytes(1)
n := "12345678"
for i := 0; i < b.N; i++ {
strconv.ParseInt(n, 10, 0)
}
}
func BenchmarkParseSize(b *testing.B) {
b.SetBytes(1)
n := []byte("12345678")
for i := 0; i < b.N; i++ {
parseSize(n)
}
}
func deferUnlock(mu *sync.Mutex) {
mu.Lock()
defer mu.Unlock()
// see noDeferUnlock
if false {
return
}
}
func BenchmarkDeferMutex(b *testing.B) {
var mu sync.Mutex
b.SetBytes(1)
for i := 0; i < b.N; i++ {
deferUnlock(&mu)
}
}
func noDeferUnlock(mu *sync.Mutex) {
mu.Lock()
// prevent staticcheck warning about empty critical section
if false {
return
}
mu.Unlock()
}
func BenchmarkNoDeferMutex(b *testing.B) {
var mu sync.Mutex
b.SetBytes(1)
for i := 0; i < b.N; i++ {
noDeferUnlock(&mu)
}
}
func createTestSub() *subscription {
return &subscription{
subject: []byte("foo"),
queue: []byte("bar"),
sid: []byte("22"),
}
}
func BenchmarkArrayRand(b *testing.B) {
b.StopTimer()
r := rand.New(rand.NewSource(time.Now().UnixNano()))
// Create an array of 10 items
subs := []*subscription{}
for i := 0; i < 10; i++ {
subs = append(subs, createTestSub())
}
b.StartTimer()
for i := 0; i < b.N; i++ {
index := r.Intn(len(subs))
_ = subs[index]
}
}
func BenchmarkMapRange(b *testing.B) {
b.StopTimer()
// Create an map of 10 items
subs := map[int]*subscription{}
for i := 0; i < 10; i++ {
subs[i] = createTestSub()
}
b.StartTimer()
for i := 0; i < b.N; i++ {
for range subs {
break
}
}
}