1// Copyright 2014 Google Inc. All rights reserved.
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5// You may obtain a copy of the License at
6//
7//     http://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14
15package blueprint
16
17import (
18	"reflect"
19	"testing"
20)
21
22func mods(mods []string) []*moduleGroup {
23	ret := []*moduleGroup{}
24
25	for _, v := range mods {
26		m := moduleGroup{name: v}
27		ret = append(ret, &m)
28	}
29
30	return ret
31}
32
33func assertEqual(t *testing.T, a, b []string) {
34	if len(a) == 0 && len(b) == 0 {
35		return
36	}
37
38	if !reflect.DeepEqual(a, b) {
39		t.Errorf("Expected the following to be equal:\n\t%q\n\t%q", a, b)
40	}
41}
42
43func TestLevenshteinWontGuessUnlike(t *testing.T) {
44	assertEqual(t, namesLike("a", "test", mods([]string{"test"})), []string{})
45}
46func TestLevenshteinInsert(t *testing.T) {
47	assertEqual(t, namesLike("a", "test", mods([]string{"ab", "ac", "not_this"})), []string{"ab", "ac"})
48}
49func TestLevenshteinDelete(t *testing.T) {
50	assertEqual(t, namesLike("ab", "test", mods([]string{"a", "b", "not_this"})), []string{"a", "b"})
51}
52func TestLevenshteinReplace(t *testing.T) {
53	assertEqual(t, namesLike("aa", "test", mods([]string{"ab", "ac", "not_this"})), []string{"ab", "ac"})
54}
55