// Copyright 2019 Yunion
//
// 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 netutils2

import (
	"testing"
)

func TestNetlen2Mask(t *testing.T) {
	type args struct {
		netmasklen int
	}
	tests := []struct {
		name string
		args args
		want string
	}{
		{
			name: "mask 0",
			args: args{0},
			want: "0.0.0.0",
		},
		{
			name: "mask 24",
			args: args{24},
			want: "255.255.255.0",
		},
		{
			name: "mask 32",
			args: args{32},
			want: "255.255.255.255",
		},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			if got := Netlen2Mask(tt.args.netmasklen); got != tt.want {
				t.Errorf("Netlen2Mask() = %v, want %v", got, tt.want)
			}
		})
	}
}

func TestNetBytes2Mask(t *testing.T) {
	type args struct {
		mask []byte
	}
	tests := []struct {
		name string
		args args
		want string
	}{
		{
			"test 255.255.255.255",
			args{[]byte{255, 255, 255, 255}},
			"255.255.255.255",
		},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			if got := NetBytes2Mask(tt.args.mask); got != tt.want {
				t.Errorf("NetBytes2Mask() = %v, want %v", got, tt.want)
			}
		})
	}
}

func TestFormatMac(t *testing.T) {
	type args struct {
		macStr string
	}
	tests := []struct {
		name string
		args args
		want string
	}{
		{
			name: "test-format-mac-1",
			args: args{"FFFFFFFFFFFF"},
			want: "ff:ff:ff:ff:ff:ff",
		},
		{
			name: "test-format-mac-2",
			args: args{"FFFFFFFFFF"},
			want: "",
		},
		{
			name: "test-format-mac-3",
			args: args{"FFDDEECCBBAA"},
			want: "ff:dd:ee:cc:bb:aa",
		},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			if got := FormatMac(tt.args.macStr); got != tt.want {
				t.Errorf("FormatMac() = %v, want %v", got, tt.want)
			}
		})
	}
}

func TestNewNetInterface(t *testing.T) {
	n := NewNetInterface("br0")
	t.Logf("NetInterface: %s %s %s %s", n.name, n.Addr, n.Mask.String(), n.Mac)
}

func TestMyDefault(t *testing.T) {
	myip, err := MyIP()
	if err != nil {
		// Skip if it's no route to host
		t.Fatalf("MyIP: %v", err)
	}

	if myip != "" {
		srcIp, ifname, err := DefaultSrcIpDev()
		if err != nil {
			t.Fatalf("default srcip dev: %v", err)
		}
		if srcIp.String() != myip {
			t.Errorf("myip: %s, srcip: %s", myip, srcIp.String())
		}
		if ifname == "" {
			t.Errorf("empty ifname")
		}
	}
}