Files
fscan/common/dns_cache_test.go

24 lines
566 B
Go

package common
import "testing"
func TestDNSCacheResolveIPAndCacheHit(t *testing.T) {
cache := &dnsCache{}
first, err := cache.ResolveIP("127.0.0.1")
if err != nil {
t.Fatalf("ResolveIP loopback error = %v", err)
}
second, err := cache.ResolveIP("127.0.0.1")
if err != nil {
t.Fatalf("ResolveIP cached loopback error = %v", err)
}
if first != second {
t.Fatal("ResolveIP should return cached address on second lookup")
}
if _, err := cache.ResolveIP("bad host with spaces"); err == nil {
t.Fatal("ResolveIP should reject an invalid host")
}
}