1/*
2Copyright 2012 Google Inc. All Rights Reserved.
3
4Licensed under the Apache License, Version 2.0 (the "License");
5you may not use this file except in compliance with the License.
6You may obtain a copy of the License at
7
8    http://www.apache.org/licenses/LICENSE-2.0
9
10Unless required by applicable law or agreed to in writing, software
11distributed under the License is distributed on an "AS IS" BASIS,
12WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13See the License for the specific language governing permissions and
14limitations under the License.
15*/
16
17package shlex
18
19import (
20	"strings"
21	"testing"
22)
23
24var (
25	// one two "three four" "five \"six\"" seven#eight # nine # ten
26	// eleven 'twelve\'
27	testString = "one two \"three four\" \"five \\\"six\\\"\" seven#eight # nine # ten\n eleven 'twelve\\' thirteen=13 fourteen/14"
28)
29
30func TestClassifier(t *testing.T) {
31	classifier := newDefaultClassifier()
32	tests := map[rune]runeTokenClass{
33		' ':  spaceRuneClass,
34		'"':  escapingQuoteRuneClass,
35		'\'': nonEscapingQuoteRuneClass,
36		'#':  commentRuneClass}
37	for runeChar, want := range tests {
38		got := classifier.ClassifyRune(runeChar)
39		if got != want {
40			t.Errorf("ClassifyRune(%v) -> %v. Want: %v", runeChar, got, want)
41		}
42	}
43}
44
45func TestTokenizer(t *testing.T) {
46	testInput := strings.NewReader(testString)
47	expectedTokens := []*Token{
48		&Token{WordToken, "one"},
49		&Token{WordToken, "two"},
50		&Token{WordToken, "three four"},
51		&Token{WordToken, "five \"six\""},
52		&Token{WordToken, "seven#eight"},
53		&Token{CommentToken, " nine # ten"},
54		&Token{WordToken, "eleven"},
55		&Token{WordToken, "twelve\\"},
56		&Token{WordToken, "thirteen=13"},
57		&Token{WordToken, "fourteen/14"}}
58
59	tokenizer := NewTokenizer(testInput)
60	for i, want := range expectedTokens {
61		got, err := tokenizer.Next()
62		if err != nil {
63			t.Error(err)
64		}
65		if !got.Equal(want) {
66			t.Errorf("Tokenizer.Next()[%v] of %q -> %v. Want: %v", i, testString, got, want)
67		}
68	}
69}
70
71func TestLexer(t *testing.T) {
72	testInput := strings.NewReader(testString)
73	expectedStrings := []string{"one", "two", "three four", "five \"six\"", "seven#eight", "eleven", "twelve\\", "thirteen=13", "fourteen/14"}
74
75	lexer := NewLexer(testInput)
76	for i, want := range expectedStrings {
77		got, err := lexer.Next()
78		if err != nil {
79			t.Error(err)
80		}
81		if got != want {
82			t.Errorf("Lexer.Next()[%v] of %q -> %v. Want: %v", i, testString, got, want)
83		}
84	}
85}
86
87func TestSplit(t *testing.T) {
88	want := []string{"one", "two", "three four", "five \"six\"", "seven#eight", "eleven", "twelve\\", "thirteen=13", "fourteen/14"}
89	got, err := Split(testString)
90	if err != nil {
91		t.Error(err)
92	}
93	if len(want) != len(got) {
94		t.Errorf("Split(%q) -> %v. Want: %v", testString, got, want)
95	}
96	for i := range got {
97		if got[i] != want[i] {
98			t.Errorf("Split(%q)[%v] -> %v. Want: %v", testString, i, got[i], want[i])
99		}
100	}
101}
102