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package p2p
import (
"fmt"
"io/ioutil"
"math/rand"
"testing"
)
const addrBookStrict = true
func createTempFileName(prefix string) string {
f, err := ioutil.TempFile("", prefix)
if err != nil {
panic(err)
}
fname := f.Name()
err = f.Close()
if err != nil {
panic(err)
}
return fname
}
func TestEmpty(t *testing.T) {
fname := createTempFileName("addrbook_test")
// t.Logf("New tempfile name: %v", fname)
// Save an empty book & load it
book := NewAddrBook(fname, addrBookStrict)
book.saveToFile(fname)
book = NewAddrBook(fname, addrBookStrict)
book.loadFromFile(fname)
if book.Size() != 0 {
t.Errorf("Expected 0 addresses, found %v", book.Size())
}
}
func randIPv4Address() *NetAddress {
for {
ip := fmt.Sprintf("%v.%v.%v.%v",
rand.Intn(254)+1,
rand.Intn(255),
rand.Intn(255),
rand.Intn(255),
)
port := rand.Intn(65535-1) + 1
addr := NewNetAddressString(fmt.Sprintf("%v:%v", ip, port))
if addr.Routable() {
return addr
}
}
}
func TestSaveAddresses(t *testing.T) {
fname := createTempFileName("addrbook_test")
//t.Logf("New tempfile name: %v", fname)
// Create some random addresses
randAddrs := []struct {
addr *NetAddress
src *NetAddress
}{}
for i := 0; i < 100; i++ {
addr := randIPv4Address()
src := randIPv4Address()
randAddrs = append(randAddrs, struct {
addr *NetAddress
src *NetAddress
}{
addr: addr,
src: src,
})
}
// Create the book & populate & save
book := NewAddrBook(fname, addrBookStrict)
for _, addrSrc := range randAddrs {
book.AddAddress(addrSrc.addr, addrSrc.src)
}
if book.Size() != 100 {
t.Errorf("Expected 100 addresses, found %v", book.Size())
}
book.saveToFile(fname)
// Reload the book
book = NewAddrBook(fname, addrBookStrict)
book.loadFromFile(fname)
// Test ...
if book.Size() != 100 {
t.Errorf("Expected 100 addresses, found %v", book.Size())
}
for _, addrSrc := range randAddrs {
addr := addrSrc.addr
src := addrSrc.src
ka := book.addrLookup[addr.String()]
if ka == nil {
t.Fatalf("Expected to find KnownAddress %v but wasn't there.", addr)
}
if !(ka.Addr.Equals(addr) && ka.Src.Equals(src)) {
t.Fatalf("KnownAddress doesn't match addr & src")
}
}
}
func TestPromoteToOld(t *testing.T) {
fname := createTempFileName("addrbook_test")
t.Logf("New tempfile name: %v", fname)
// Create some random addresses
randAddrs := []struct {
addr *NetAddress
src *NetAddress
}{}
for i := 0; i < 100; i++ {
addr := randIPv4Address()
src := randIPv4Address()
randAddrs = append(randAddrs, struct {
addr *NetAddress
src *NetAddress
}{
addr: addr,
src: src,
})
}
// Create the book & populate & save
book := NewAddrBook(fname, addrBookStrict)
for _, addrSrc := range randAddrs {
book.AddAddress(addrSrc.addr, addrSrc.src)
}
// Attempt all addresses.
for _, addrSrc := range randAddrs {
book.MarkAttempt(addrSrc.addr)
}
// Promote half of them
for i, addrSrc := range randAddrs {
if i%2 == 0 {
book.MarkGood(addrSrc.addr)
}
}
book.saveToFile(fname)
// Reload the book
book = NewAddrBook(fname, addrBookStrict)
book.loadFromFile(fname)
// Test ...
if book.Size() != 100 {
t.Errorf("Expected 100 addresses, found %v", book.Size())
}
// TODO: do more testing :)
selection := book.GetSelection()
t.Logf("selection: %v", selection)
}
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