all: resync with master

internal/dhcpsvc/dhcpsvc_test.go

@@ -0,0 +1,66 @@
+package dhcpsvc_test
+
+import (
+	"net"
+	"net/netip"
+	"time"
+
+	"github.com/AdguardTeam/AdGuardHome/internal/dhcpsvc"
+	"github.com/AdguardTeam/golibs/logutil/slogutil"
+	"github.com/stretchr/testify/require"
+)
+
+// testLocalTLD is a common local TLD for tests.
+const testLocalTLD = "local"
+
+// testTimeout is a common timeout for tests and contexts.
+const testTimeout time.Duration = 10 * time.Second
+
+// discardLog is a logger to discard test output.
+var discardLog = slogutil.NewDiscardLogger()
+
+// testInterfaceConf is a common set of interface configurations for tests.
+var testInterfaceConf = map[string]*dhcpsvc.InterfaceConfig{
+	"eth0": {
+		IPv4: &dhcpsvc.IPv4Config{
+			Enabled:       true,
+			GatewayIP:     netip.MustParseAddr("192.168.0.1"),
+			SubnetMask:    netip.MustParseAddr("255.255.255.0"),
+			RangeStart:    netip.MustParseAddr("192.168.0.2"),
+			RangeEnd:      netip.MustParseAddr("192.168.0.254"),
+			LeaseDuration: 1 * time.Hour,
+		},
+		IPv6: &dhcpsvc.IPv6Config{
+			Enabled:       true,
+			RangeStart:    netip.MustParseAddr("2001:db8::1"),
+			LeaseDuration: 1 * time.Hour,
+			RAAllowSLAAC:  true,
+			RASLAACOnly:   true,
+		},
+	},
+	"eth1": {
+		IPv4: &dhcpsvc.IPv4Config{
+			Enabled:       true,
+			GatewayIP:     netip.MustParseAddr("172.16.0.1"),
+			SubnetMask:    netip.MustParseAddr("255.255.255.0"),
+			RangeStart:    netip.MustParseAddr("172.16.0.2"),
+			RangeEnd:      netip.MustParseAddr("172.16.0.255"),
+			LeaseDuration: 1 * time.Hour,
+		},
+		IPv6: &dhcpsvc.IPv6Config{
+			Enabled:       true,
+			RangeStart:    netip.MustParseAddr("2001:db9::1"),
+			LeaseDuration: 1 * time.Hour,
+			RAAllowSLAAC:  true,
+			RASLAACOnly:   true,
+		},
+	},
+}
+
+// mustParseMAC parses a hardware address from s and requires no errors.
+func mustParseMAC(t require.TestingT, s string) (mac net.HardwareAddr) {
+	mac, err := net.ParseMAC(s)
+	require.NoError(t, err)
+
+	return mac
+}