File: shellwords_test.go

package info (click to toggle)
golang-github-mattn-go-shellwords 1.0.3-1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye, buster, experimental, sid
  • size: 76 kB
  • ctags: 25
  • sloc: makefile: 4
file content (181 lines) | stat: -rw-r--r-- 4,040 bytes parent folder | download | duplicates (3)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
package shellwords

import (
	"os"
	"reflect"
	"testing"
)

var testcases = []struct {
	line     string
	expected []string
}{
	{`var --bar=baz`, []string{`var`, `--bar=baz`}},
	{`var --bar="baz"`, []string{`var`, `--bar=baz`}},
	{`var "--bar=baz"`, []string{`var`, `--bar=baz`}},
	{`var "--bar='baz'"`, []string{`var`, `--bar='baz'`}},
	{"var --bar=`baz`", []string{`var`, "--bar=`baz`"}},
	{`var "--bar=\"baz'"`, []string{`var`, `--bar="baz'`}},
	{`var "--bar=\'baz\'"`, []string{`var`, `--bar='baz'`}},
	{`var --bar='\'`, []string{`var`, `--bar=\`}},
	{`var "--bar baz"`, []string{`var`, `--bar baz`}},
	{`var --"bar baz"`, []string{`var`, `--bar baz`}},
	{`var  --"bar baz"`, []string{`var`, `--bar baz`}},
}

func TestSimple(t *testing.T) {
	for _, testcase := range testcases {
		args, err := Parse(testcase.line)
		if err != nil {
			t.Fatal(err)
		}
		if !reflect.DeepEqual(args, testcase.expected) {
			t.Fatalf("Expected %#v, but %#v:", testcase.expected, args)
		}
	}
}

func TestError(t *testing.T) {
	_, err := Parse("foo '")
	if err == nil {
		t.Fatal("Should be an error")
	}
	_, err = Parse(`foo "`)
	if err == nil {
		t.Fatal("Should be an error")
	}

	_, err = Parse("foo `")
	if err == nil {
		t.Fatal("Should be an error")
	}
}

func TestLastSpace(t *testing.T) {
	args, err := Parse("foo bar\\  ")
	if err != nil {
		t.Fatal(err)
	}
	if len(args) != 2 {
		t.Fatal("Should have two elements")
	}
	if args[0] != "foo" {
		t.Fatal("1st element should be `foo`")
	}
	if args[1] != "bar " {
		t.Fatal("1st element should be `bar `")
	}
}

func TestBacktick(t *testing.T) {
	goversion, err := shellRun("go version")
	if err != nil {
		t.Fatal(err)
	}

	parser := NewParser()
	parser.ParseBacktick = true
	args, err := parser.Parse("echo `go version`")
	if err != nil {
		t.Fatal(err)
	}
	expected := []string{"echo", goversion}
	if !reflect.DeepEqual(args, expected) {
		t.Fatalf("Expected %#v, but %#v:", expected, args)
	}
}

func TestBacktickError(t *testing.T) {
	parser := NewParser()
	parser.ParseBacktick = true
	_, err := parser.Parse("echo `go Version`")
	if err == nil {
		t.Fatal("Should be an error")
	}
}

func TestEnv(t *testing.T) {
	os.Setenv("FOO", "bar")

	parser := NewParser()
	parser.ParseEnv = true
	args, err := parser.Parse("echo $FOO")
	if err != nil {
		t.Fatal(err)
	}
	expected := []string{"echo", "bar"}
	if !reflect.DeepEqual(args, expected) {
		t.Fatalf("Expected %#v, but %#v:", expected, args)
	}
}

func TestNoEnv(t *testing.T) {
	parser := NewParser()
	parser.ParseEnv = true
	args, err := parser.Parse("echo $BAR")
	if err != nil {
		t.Fatal(err)
	}
	expected := []string{"echo", ""}
	if !reflect.DeepEqual(args, expected) {
		t.Fatalf("Expected %#v, but %#v:", expected, args)
	}
}

func TestDupEnv(t *testing.T) {
	os.Setenv("FOO", "bar")
	os.Setenv("FOO_BAR", "baz")

	parser := NewParser()
	parser.ParseEnv = true
	args, err := parser.Parse("echo $$FOO$")
	if err != nil {
		t.Fatal(err)
	}
	expected := []string{"echo", "$bar$"}
	if !reflect.DeepEqual(args, expected) {
		t.Fatalf("Expected %#v, but %#v:", expected, args)
	}

	args, err = parser.Parse("echo $${FOO_BAR}$")
	if err != nil {
		t.Fatal(err)
	}
	expected = []string{"echo", "$baz$"}
	if !reflect.DeepEqual(args, expected) {
		t.Fatalf("Expected %#v, but %#v:", expected, args)
	}
}

func TestHaveMore(t *testing.T) {
	parser := NewParser()
	parser.ParseEnv = true

	line := "echo foo; seq 1 10"
	args, err := parser.Parse(line)
	if err != nil {
		t.Fatalf(err.Error())
	}
	expected := []string{"echo", "foo"}
	if !reflect.DeepEqual(args, expected) {
		t.Fatalf("Expected %#v, but %#v:", expected, args)
	}

	if parser.Position == 0 {
		t.Fatalf("Commands should be remaining")
	}

	line = string([]rune(line)[parser.Position+1:])
	args, err = parser.Parse(line)
	if err != nil {
		t.Fatalf(err.Error())
	}
	expected = []string{"seq", "1", "10"}
	if !reflect.DeepEqual(args, expected) {
		t.Fatalf("Expected %#v, but %#v:", expected, args)
	}

	if parser.Position > 0 {
		t.Fatalf("Commands should not be remaining")
	}
}