mirror of
https://github.com/AdguardTeam/AdGuardHome.git
synced 2024-12-14 18:51:34 +03:00
645 lines
18 KiB
Go
645 lines
18 KiB
Go
package dnsfilter
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import (
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"net/http"
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"net/http/httptest"
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"testing"
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"time"
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"bufio"
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"fmt"
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"os"
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"runtime"
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"go.uber.org/goleak"
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)
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func TestRuleToRegexp(t *testing.T) {
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tests := []struct {
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rule string
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result string
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err error
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}{
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{"/doubleclick/", "doubleclick", nil},
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{"/", "", ErrInvalidSyntax},
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{`|double*?.+[]|(){}#$\|`, `^double.*\?\.\+\[\]\|\(\)\{\}\#\$\\$`, nil},
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{`||doubleclick.net^`, `^([a-z0-9-_.]+\.)?doubleclick\.net([^ a-zA-Z0-9.%]|$)`, nil},
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}
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for _, testcase := range tests {
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converted, err := ruleToRegexp(testcase.rule)
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if err != testcase.err {
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t.Error("Errors do not match, got ", err, " expected ", testcase.err)
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}
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if converted != testcase.result {
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t.Error("Results do not match, got ", converted, " expected ", testcase.result)
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}
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}
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}
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//
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// helper functions
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//
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func (d *Dnsfilter) checkAddRule(t *testing.T, rule string) {
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t.Helper()
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err := d.AddRule(rule, 0)
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if err == nil {
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// nothing to report
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return
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}
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if err == ErrInvalidSyntax {
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t.Errorf("This rule has invalid syntax: %s", rule)
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}
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if err != nil {
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t.Errorf("Error while adding rule %s: %s", rule, err)
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}
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}
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func (d *Dnsfilter) checkAddRuleFail(t *testing.T, rule string) {
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t.Helper()
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err := d.AddRule(rule, 0)
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if err == ErrInvalidSyntax {
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return
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}
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if err != nil {
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t.Errorf("Error while adding rule %s: %s", rule, err)
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}
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t.Errorf("Adding this rule should have failed: %s", rule)
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}
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func (d *Dnsfilter) checkMatch(t *testing.T, hostname string) {
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t.Helper()
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ret, err := d.CheckHost(hostname)
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if err != nil {
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t.Errorf("Error while matching host %s: %s", hostname, err)
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}
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if !ret.IsFiltered {
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t.Errorf("Expected hostname %s to match", hostname)
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}
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}
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func (d *Dnsfilter) checkMatchEmpty(t *testing.T, hostname string) {
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t.Helper()
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ret, err := d.CheckHost(hostname)
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if err != nil {
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t.Errorf("Error while matching host %s: %s", hostname, err)
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}
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if ret.IsFiltered {
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t.Errorf("Expected hostname %s to not match", hostname)
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}
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}
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func loadTestRules(d *Dnsfilter) error {
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filterFileName := "../tests/dns.txt"
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file, err := os.Open(filterFileName)
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if err != nil {
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return err
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}
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defer file.Close()
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scanner := bufio.NewScanner(file)
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for scanner.Scan() {
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rule := scanner.Text()
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err = d.AddRule(rule, 0)
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if err == ErrInvalidSyntax {
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continue
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}
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if err != nil {
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return err
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}
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}
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err = scanner.Err()
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return err
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}
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func NewForTest() *Dnsfilter {
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d := New()
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purgeCaches()
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return d
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}
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//
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// tests
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//
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func TestSanityCheck(t *testing.T) {
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d := NewForTest()
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defer d.Destroy()
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d.checkAddRule(t, "||doubleclick.net^")
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d.checkMatch(t, "www.doubleclick.net")
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d.checkMatchEmpty(t, "nodoubleclick.net")
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d.checkMatchEmpty(t, "doubleclick.net.ru")
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d.checkMatchEmpty(t, "wmconvirus.narod.ru")
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d.checkAddRuleFail(t, "lkfaojewhoawehfwacoefawr$@#$@3413841384")
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}
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func TestCount(t *testing.T) {
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d := NewForTest()
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defer d.Destroy()
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err := loadTestRules(d)
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if err != nil {
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t.Fatal(err)
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}
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count := d.Count()
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expected := 12747
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if count != expected {
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t.Fatalf("Number of rules parsed should be %d, but it is %d\n", expected, count)
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}
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}
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func TestDnsFilterBlocking(t *testing.T) {
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d := NewForTest()
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defer d.Destroy()
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d.checkAddRule(t, "||example.org^")
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d.checkMatch(t, "example.org")
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d.checkMatch(t, "test.example.org")
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d.checkMatch(t, "test.test.example.org")
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d.checkMatchEmpty(t, "testexample.org")
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d.checkMatchEmpty(t, "onemoreexample.org")
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}
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func TestDnsFilterWhitelist(t *testing.T) {
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d := NewForTest()
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defer d.Destroy()
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d.checkAddRule(t, "||example.org^")
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d.checkAddRule(t, "@@||test.example.org")
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d.checkMatch(t, "example.org")
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d.checkMatchEmpty(t, "test.example.org")
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d.checkMatchEmpty(t, "test.test.example.org")
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}
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func TestDnsFilterImportant(t *testing.T) {
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d := NewForTest()
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defer d.Destroy()
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d.checkAddRule(t, "@@||example.org^")
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d.checkAddRule(t, "||test.example.org^$important")
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d.checkMatchEmpty(t, "example.org")
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d.checkMatch(t, "test.example.org")
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d.checkMatch(t, "test.test.example.org")
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d.checkMatchEmpty(t, "testexample.org")
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d.checkMatchEmpty(t, "onemoreexample.org")
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}
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func TestDnsFilterRegexrule(t *testing.T) {
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d := NewForTest()
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defer d.Destroy()
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d.checkAddRule(t, "/example\\.org/")
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d.checkAddRule(t, "@@||test.example.org^")
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d.checkMatch(t, "example.org")
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d.checkMatchEmpty(t, "test.example.org")
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d.checkMatchEmpty(t, "test.test.example.org")
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d.checkMatch(t, "testexample.org")
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d.checkMatch(t, "onemoreexample.org")
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}
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func TestDomainMask(t *testing.T) {
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d := NewForTest()
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defer d.Destroy()
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d.checkAddRule(t, "test*.example.org^")
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d.checkAddRule(t, "exam*.com")
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d.checkMatch(t, "test.example.org")
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d.checkMatch(t, "test2.example.org")
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d.checkMatch(t, "example.com")
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d.checkMatch(t, "exampleeee.com")
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d.checkMatchEmpty(t, "example.org")
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d.checkMatchEmpty(t, "testexample.org")
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d.checkMatchEmpty(t, "example.co.uk")
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}
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func TestAddRuleFail(t *testing.T) {
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d := NewForTest()
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defer d.Destroy()
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d.checkAddRuleFail(t, "lkfaojewhoawehfwacoefawr$@#$@3413841384")
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}
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func printMemStats(r runtime.MemStats) {
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fmt.Printf("Alloc: %.2f, HeapAlloc: %.2f Mb, Sys: %.2f Mb, HeapSys: %.2f Mb\n",
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float64(r.Alloc)/1024.0/1024.0, float64(r.HeapAlloc)/1024.0/1024.0,
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float64(r.Sys)/1024.0/1024.0, float64(r.HeapSys)/1024.0/1024.0)
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}
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func TestLotsOfRulesMemoryUsage(t *testing.T) {
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var start, afterLoad, end runtime.MemStats
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runtime.GC()
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runtime.ReadMemStats(&start)
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fmt.Printf("Memory usage before loading rules - %d kB alloc, %d kB sys\n", start.Alloc/1024, start.Sys/1024)
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d := NewForTest()
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defer d.Destroy()
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err := loadTestRules(d)
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if err != nil {
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t.Error(err)
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}
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runtime.GC()
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runtime.ReadMemStats(&afterLoad)
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fmt.Printf("Memory usage after loading rules - %d kB alloc, %d kB sys\n", afterLoad.Alloc/1024, afterLoad.Sys/1024)
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tests := []struct {
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host string
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match bool
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}{
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{"asdasdasd_adsajdasda_asdasdjashdkasdasdasdasd_adsajdasda_asdasdjashdkasd.thisistesthost.com", false},
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{"asdasdasd_adsajdasda_asdasdjashdkasdasdasdasd_adsajdasda_asdasdjashdkasd.ad.doubleclick.net", true},
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}
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for _, testcase := range tests {
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ret, err := d.CheckHost(testcase.host)
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if err != nil {
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t.Errorf("Error while matching host %s: %s", testcase.host, err)
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}
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if ret.IsFiltered == false && ret.IsFiltered != testcase.match {
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t.Errorf("Expected hostname %s to not match", testcase.host)
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}
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if ret.IsFiltered == true && ret.IsFiltered != testcase.match {
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t.Errorf("Expected hostname %s to match", testcase.host)
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}
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}
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runtime.GC()
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runtime.ReadMemStats(&end)
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fmt.Printf("Memory usage after matching - %d kB alloc, %d kB sys\n", afterLoad.Alloc/1024, afterLoad.Sys/1024)
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}
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func TestSafeBrowsing(t *testing.T) {
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testCases := []string{
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"",
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"sb.adtidy.org",
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}
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for _, tc := range testCases {
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t.Run(fmt.Sprintf("%s in %s", tc, _Func()), func(t *testing.T) {
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d := NewForTest()
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defer d.Destroy()
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d.EnableSafeBrowsing()
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stats.Safebrowsing.Requests = 0
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d.checkMatch(t, "wmconvirus.narod.ru")
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d.checkMatch(t, "wmconvirus.narod.ru")
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if stats.Safebrowsing.Requests != 1 {
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t.Errorf("Safebrowsing lookup positive cache is not working: %v", stats.Safebrowsing.Requests)
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}
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d.checkMatch(t, "WMconvirus.narod.ru")
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if stats.Safebrowsing.Requests != 1 {
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t.Errorf("Safebrowsing lookup positive cache is not working: %v", stats.Safebrowsing.Requests)
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}
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d.checkMatch(t, "wmconvirus.narod.ru.")
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d.checkMatch(t, "test.wmconvirus.narod.ru")
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d.checkMatch(t, "test.wmconvirus.narod.ru.")
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d.checkMatchEmpty(t, "yandex.ru")
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d.checkMatchEmpty(t, "pornhub.com")
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l := stats.Safebrowsing.Requests
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d.checkMatchEmpty(t, "pornhub.com")
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if stats.Safebrowsing.Requests != l {
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t.Errorf("Safebrowsing lookup negative cache is not working: %v", stats.Safebrowsing.Requests)
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}
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})
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}
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}
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func TestParallelSB(t *testing.T) {
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d := NewForTest()
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defer d.Destroy()
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d.EnableSafeBrowsing()
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t.Run("group", func(t *testing.T) {
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for i := 0; i < 100; i++ {
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t.Run(fmt.Sprintf("aaa%d", i), func(t *testing.T) {
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t.Parallel()
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d.checkMatch(t, "wmconvirus.narod.ru")
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d.checkMatch(t, "wmconvirus.narod.ru.")
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d.checkMatch(t, "test.wmconvirus.narod.ru")
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d.checkMatch(t, "test.wmconvirus.narod.ru.")
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d.checkMatchEmpty(t, "yandex.ru")
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d.checkMatchEmpty(t, "pornhub.com")
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})
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}
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})
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}
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// the only way to verify that custom server option is working is to point it at a server that does serve safebrowsing
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func TestSafeBrowsingCustomServerFail(t *testing.T) {
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d := NewForTest()
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defer d.Destroy()
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ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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// w.Write("Hello, client")
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fmt.Fprintln(w, "Hello, client")
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}))
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defer ts.Close()
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address := ts.Listener.Addr().String()
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d.EnableSafeBrowsing()
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d.SetHTTPTimeout(time.Second * 5)
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d.SetSafeBrowsingServer(address) // this will ensure that test fails
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d.checkMatchEmpty(t, "wmconvirus.narod.ru")
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}
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func TestParentalControl(t *testing.T) {
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d := NewForTest()
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defer d.Destroy()
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d.EnableParental(3)
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d.checkMatch(t, "pornhub.com")
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d.checkMatch(t, "pornhub.com")
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if stats.Parental.Requests != 1 {
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t.Errorf("Parental lookup positive cache is not working")
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}
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d.checkMatch(t, "PORNhub.com")
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if stats.Parental.Requests != 1 {
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t.Errorf("Parental lookup positive cache is not working")
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}
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d.checkMatch(t, "www.pornhub.com")
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d.checkMatch(t, "pornhub.com.")
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d.checkMatch(t, "www.pornhub.com.")
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d.checkMatchEmpty(t, "www.yandex.ru")
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d.checkMatchEmpty(t, "yandex.ru")
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l := stats.Parental.Requests
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d.checkMatchEmpty(t, "yandex.ru")
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if stats.Parental.Requests != l {
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t.Errorf("Parental lookup negative cache is not working")
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}
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}
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func TestSafeSearch(t *testing.T) {
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d := NewForTest()
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defer d.Destroy()
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_, ok := d.SafeSearchDomain("www.google.com")
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if ok {
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t.Errorf("Expected safesearch to error when disabled")
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}
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d.EnableSafeSearch()
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val, ok := d.SafeSearchDomain("www.google.com")
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if !ok {
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t.Errorf("Expected safesearch to find result for www.google.com")
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}
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if val != "forcesafesearch.google.com" {
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t.Errorf("Expected safesearch for google.com to be forcesafesearch.google.com")
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}
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}
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//
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// parametrized testing
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//
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var blockingRules = []string{"||example.org^"}
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var whitelistRules = []string{"||example.org^", "@@||test.example.org"}
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var importantRules = []string{"@@||example.org^", "||test.example.org^$important"}
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var regexRules = []string{"/example\\.org/", "@@||test.example.org^"}
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var maskRules = []string{"test*.example.org^", "exam*.com"}
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var tests = []struct {
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testname string
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rules []string
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hostname string
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isFiltered bool
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reason Reason
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}{
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{"sanity", []string{"||doubleclick.net^"}, "www.doubleclick.net", true, FilteredBlackList},
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{"sanity", []string{"||doubleclick.net^"}, "nodoubleclick.net", false, NotFilteredNotFound},
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{"sanity", []string{"||doubleclick.net^"}, "doubleclick.net.ru", false, NotFilteredNotFound},
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{"sanity", []string{"||doubleclick.net^"}, "wmconvirus.narod.ru", false, NotFilteredNotFound},
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{"blocking", blockingRules, "example.org", true, FilteredBlackList},
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{"blocking", blockingRules, "test.example.org", true, FilteredBlackList},
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{"blocking", blockingRules, "test.test.example.org", true, FilteredBlackList},
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{"blocking", blockingRules, "testexample.org", false, NotFilteredNotFound},
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{"blocking", blockingRules, "onemoreexample.org", false, NotFilteredNotFound},
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{"whitelist", whitelistRules, "example.org", true, FilteredBlackList},
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{"whitelist", whitelistRules, "test.example.org", false, NotFilteredWhiteList},
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{"whitelist", whitelistRules, "test.test.example.org", false, NotFilteredWhiteList},
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{"whitelist", whitelistRules, "testexample.org", false, NotFilteredNotFound},
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{"whitelist", whitelistRules, "onemoreexample.org", false, NotFilteredNotFound},
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{"important", importantRules, "example.org", false, NotFilteredWhiteList},
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{"important", importantRules, "test.example.org", true, FilteredBlackList},
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{"important", importantRules, "test.test.example.org", true, FilteredBlackList},
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{"important", importantRules, "testexample.org", false, NotFilteredNotFound},
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{"important", importantRules, "onemoreexample.org", false, NotFilteredNotFound},
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{"regex", regexRules, "example.org", true, FilteredBlackList},
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{"regex", regexRules, "test.example.org", false, NotFilteredWhiteList},
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{"regex", regexRules, "test.test.example.org", false, NotFilteredWhiteList},
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{"regex", regexRules, "testexample.org", true, FilteredBlackList},
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{"regex", regexRules, "onemoreexample.org", true, FilteredBlackList},
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{"mask", maskRules, "test.example.org", true, FilteredBlackList},
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{"mask", maskRules, "test2.example.org", true, FilteredBlackList},
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{"mask", maskRules, "example.com", true, FilteredBlackList},
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{"mask", maskRules, "exampleeee.com", true, FilteredBlackList},
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{"mask", maskRules, "onemoreexamsite.com", true, FilteredBlackList},
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{"mask", maskRules, "example.org", false, NotFilteredNotFound},
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{"mask", maskRules, "testexample.org", false, NotFilteredNotFound},
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{"mask", maskRules, "example.co.uk", false, NotFilteredNotFound},
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}
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func TestMatching(t *testing.T) {
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for _, test := range tests {
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t.Run(fmt.Sprintf("%s-%s", test.testname, test.hostname), func(t *testing.T) {
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d := NewForTest()
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defer d.Destroy()
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for _, rule := range test.rules {
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err := d.AddRule(rule, 0)
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if err != nil {
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t.Fatal(err)
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}
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}
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ret, err := d.CheckHost(test.hostname)
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if err != nil {
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t.Errorf("Error while matching host %s: %s", test.hostname, err)
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}
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if ret.IsFiltered != test.isFiltered {
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t.Errorf("Hostname %s has wrong result (%v must be %v)", test.hostname, ret.IsFiltered, test.isFiltered)
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}
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if ret.Reason != test.reason {
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t.Errorf("Hostname %s has wrong reason (%v must be %v)", test.hostname, ret.Reason.String(), test.reason.String())
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}
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})
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}
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}
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//
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// benchmarks
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//
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func BenchmarkAddRule(b *testing.B) {
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d := NewForTest()
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defer d.Destroy()
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for n := 0; n < b.N; n++ {
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rule := "||doubleclick.net^"
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err := d.AddRule(rule, 0)
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switch err {
|
|
case nil:
|
|
case ErrInvalidSyntax: // ignore invalid syntax
|
|
default:
|
|
b.Fatalf("Error while adding rule %s: %s", rule, err)
|
|
}
|
|
}
|
|
}
|
|
|
|
func BenchmarkAddRuleParallel(b *testing.B) {
|
|
d := NewForTest()
|
|
defer d.Destroy()
|
|
rule := "||doubleclick.net^"
|
|
b.ResetTimer()
|
|
b.RunParallel(func(pb *testing.PB) {
|
|
var err error
|
|
for pb.Next() {
|
|
err = d.AddRule(rule, 0)
|
|
}
|
|
switch err {
|
|
case nil:
|
|
case ErrInvalidSyntax: // ignore invalid syntax
|
|
default:
|
|
b.Fatalf("Error while adding rule %s: %s", rule, err)
|
|
}
|
|
})
|
|
}
|
|
|
|
func BenchmarkLotsOfRulesNoMatch(b *testing.B) {
|
|
d := NewForTest()
|
|
defer d.Destroy()
|
|
err := loadTestRules(d)
|
|
if err != nil {
|
|
b.Fatal(err)
|
|
}
|
|
b.ResetTimer()
|
|
for n := 0; n < b.N; n++ {
|
|
hostname := "asdasdasd_adsajdasda_asdasdjashdkasdasdasdasd_adsajdasda_asdasdjashdkasd.thisistesthost.com"
|
|
ret, err := d.CheckHost(hostname)
|
|
if err != nil {
|
|
b.Errorf("Error while matching host %s: %s", hostname, err)
|
|
}
|
|
if ret.IsFiltered {
|
|
b.Errorf("Expected hostname %s to not match", hostname)
|
|
}
|
|
}
|
|
}
|
|
|
|
func BenchmarkLotsOfRulesNoMatchParallel(b *testing.B) {
|
|
d := NewForTest()
|
|
defer d.Destroy()
|
|
err := loadTestRules(d)
|
|
if err != nil {
|
|
b.Fatal(err)
|
|
}
|
|
b.ResetTimer()
|
|
hostname := "asdasdasd_adsajdasda_asdasdjashdkasdasdasdasd_adsajdasda_asdasdjashdkasd.thisistesthost.com"
|
|
b.ResetTimer()
|
|
b.RunParallel(func(pb *testing.PB) {
|
|
for pb.Next() {
|
|
ret, err := d.CheckHost(hostname)
|
|
if err != nil {
|
|
b.Errorf("Error while matching host %s: %s", hostname, err)
|
|
}
|
|
if ret.IsFiltered {
|
|
b.Errorf("Expected hostname %s to not match", hostname)
|
|
}
|
|
}
|
|
})
|
|
}
|
|
|
|
func BenchmarkLotsOfRulesMatch(b *testing.B) {
|
|
d := NewForTest()
|
|
defer d.Destroy()
|
|
err := loadTestRules(d)
|
|
if err != nil {
|
|
b.Fatal(err)
|
|
}
|
|
b.ResetTimer()
|
|
for n := 0; n < b.N; n++ {
|
|
const hostname = "asdasdasd_adsajdasda_asdasdjashdkasdasdasdasd_adsajdasda_asdasdjashdkasd.ad.doubleclick.net"
|
|
ret, err := d.CheckHost(hostname)
|
|
if err != nil {
|
|
b.Errorf("Error while matching host %s: %s", hostname, err)
|
|
}
|
|
if !ret.IsFiltered {
|
|
b.Errorf("Expected hostname %s to match", hostname)
|
|
}
|
|
}
|
|
}
|
|
|
|
func BenchmarkLotsOfRulesMatchParallel(b *testing.B) {
|
|
d := NewForTest()
|
|
defer d.Destroy()
|
|
err := loadTestRules(d)
|
|
if err != nil {
|
|
b.Fatal(err)
|
|
}
|
|
b.ResetTimer()
|
|
const hostname = "asdasdasd_adsajdasda_asdasdjashdkasdasdasdasd_adsajdasda_asdasdjashdkasd.ad.doubleclick.net"
|
|
b.ResetTimer()
|
|
b.RunParallel(func(pb *testing.PB) {
|
|
for pb.Next() {
|
|
ret, err := d.CheckHost(hostname)
|
|
if err != nil {
|
|
b.Errorf("Error while matching host %s: %s", hostname, err)
|
|
}
|
|
if !ret.IsFiltered {
|
|
b.Errorf("Expected hostname %s to match", hostname)
|
|
}
|
|
}
|
|
})
|
|
}
|
|
|
|
func BenchmarkSafeBrowsing(b *testing.B) {
|
|
d := NewForTest()
|
|
defer d.Destroy()
|
|
d.EnableSafeBrowsing()
|
|
for n := 0; n < b.N; n++ {
|
|
hostname := "wmconvirus.narod.ru"
|
|
ret, err := d.CheckHost(hostname)
|
|
if err != nil {
|
|
b.Errorf("Error while matching host %s: %s", hostname, err)
|
|
}
|
|
if !ret.IsFiltered {
|
|
b.Errorf("Expected hostname %s to match", hostname)
|
|
}
|
|
}
|
|
}
|
|
|
|
func BenchmarkSafeBrowsingParallel(b *testing.B) {
|
|
d := NewForTest()
|
|
defer d.Destroy()
|
|
d.EnableSafeBrowsing()
|
|
b.RunParallel(func(pb *testing.PB) {
|
|
for pb.Next() {
|
|
hostname := "wmconvirus.narod.ru"
|
|
ret, err := d.CheckHost(hostname)
|
|
if err != nil {
|
|
b.Errorf("Error while matching host %s: %s", hostname, err)
|
|
}
|
|
if !ret.IsFiltered {
|
|
b.Errorf("Expected hostname %s to match", hostname)
|
|
}
|
|
}
|
|
})
|
|
}
|
|
|
|
func BenchmarkSafeSearch(b *testing.B) {
|
|
d := NewForTest()
|
|
defer d.Destroy()
|
|
d.EnableSafeSearch()
|
|
for n := 0; n < b.N; n++ {
|
|
val, ok := d.SafeSearchDomain("www.google.com")
|
|
if !ok {
|
|
b.Errorf("Expected safesearch to find result for www.google.com")
|
|
}
|
|
if val != "forcesafesearch.google.com" {
|
|
b.Errorf("Expected safesearch for google.com to be forcesafesearch.google.com")
|
|
}
|
|
}
|
|
}
|
|
|
|
func BenchmarkSafeSearchParallel(b *testing.B) {
|
|
d := NewForTest()
|
|
defer d.Destroy()
|
|
d.EnableSafeSearch()
|
|
b.RunParallel(func(pb *testing.PB) {
|
|
for pb.Next() {
|
|
val, ok := d.SafeSearchDomain("www.google.com")
|
|
if !ok {
|
|
b.Errorf("Expected safesearch to find result for www.google.com")
|
|
}
|
|
if val != "forcesafesearch.google.com" {
|
|
b.Errorf("Expected safesearch for google.com to be forcesafesearch.google.com")
|
|
}
|
|
}
|
|
})
|
|
}
|
|
|
|
func TestMain(m *testing.M) {
|
|
goleak.VerifyTestMain(m)
|
|
}
|