/*
   Copyright 2014 CoreOS, Inc.

   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 network

import (
	"testing"
)

func TestFormatConfigs(t *testing.T) {
	for in, n := range map[string]int{
		"":                                                    0,
		"line1\\\nis long":                                    1,
		"#comment":                                            0,
		"#comment\\\ncomment":                                 0,
		"  #comment \\\n comment\nline 1\nline 2\\\n is long": 2,
	} {
		lines := formatConfig(in)
		if len(lines) != n {
			t.Fatalf("bad number of lines for config %q: got %d, want %d", in, len(lines), n)
		}
	}
}

func TestProcessDebianNetconf(t *testing.T) {
	for _, tt := range []struct {
		in   string
		fail bool
		n    int
	}{
		{"", false, 0},
		{"iface", true, -1},
		{"auto eth1\nauto eth2", false, 0},
		{"iface eth1 inet manual", false, 1},
	} {
		interfaces, err := ProcessDebianNetconf(tt.in)
		failed := err != nil
		if tt.fail != failed {
			t.Fatalf("bad failure state for %q: got %t, want %t", tt.in, failed, tt.fail)
		}
		if tt.n != -1 && tt.n != len(interfaces) {
			t.Fatalf("bad number of interfaces for %q: got %d, want %q", tt.in, len(interfaces), tt.n)
		}
	}
}