File: xstring_test.go

package info (click to toggle)
golang-github-likexian-gokit 0.24.7-1
  • links: PTS, VCS
  • area: main
  • in suites: sid
  • size: 720 kB
  • sloc: makefile: 5
file content (247 lines) | stat: -rw-r--r-- 5,003 bytes parent folder | download
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
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
/*
 * Copyright 2012-2021 Li Kexian
 *
 * 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.
 *
 * A toolkit for Golang development
 * https://www.likexian.com/
 */

package xstring

import (
	"testing"

	"github.com/likexian/gokit/assert"
)

func TestVersion(t *testing.T) {
	assert.Contains(t, Version(), ".")
	assert.Contains(t, Author(), "likexian")
	assert.Contains(t, License(), "Apache License")
}

func TestIsLetter(t *testing.T) {
	tests := []struct {
		in  uint8
		out bool
	}{
		{'a', true},
		{'z', true},
		{'A', true},
		{'Z', true},
		{'0', false},
		{'9', false},
		{'+', false},
		{'@', false},
		{'\t', false},
		{'\n', false},
		{' ', false},
	}

	for _, v := range tests {
		assert.Equal(t, IsLetter(v.in), v.out)
	}
}

func TestIsLetters(t *testing.T) {
	tests := []struct {
		in  string
		out bool
	}{
		{"a", true},
		{"ab", true},
		{"Ab", true},
		{"AB", true},
		{"a0", false},
		{"10", false},
		{"a+", false},
		{"a@", false},
		{"a.", false},
		{"a\n", false},
	}

	for _, v := range tests {
		assert.Equal(t, IsLetters(v.in), v.out)
	}
}

func TestIsNumeric(t *testing.T) {
	tests := []struct {
		in  string
		out bool
	}{
		{"", false},
		{"a", false},
		{"-", false},
		{"--1", false},
		{"a1", false},
		{"1a", false},
		{"-1", true},
		{"0", true},
		{"1", true},
		{"-1.1", true},
		{"0.1", true},
		{"1.1", true},
	}

	for _, v := range tests {
		assert.Equal(t, IsNumeric(v.in), v.out)
	}
}

func TestReverse(t *testing.T) {
	tests := []struct {
		in  string
		out string
	}{
		{"a", "a"},
		{"abc", "cba"},
		{"a123b", "b321a"},
		{"中文可以吗?", "?吗以可文中"},
	}

	for _, v := range tests {
		assert.Equal(t, Reverse(v.in), v.out)
	}
}

func TestToString(t *testing.T) {
	tests := []struct {
		in  interface{}
		out string
	}{
		{nil, "<nil>"},
		{"abc", "abc"},
		{[]byte("abc"), "abc"},
		{true, "true"},
		{int(1), "1"},
		{int8(1), "1"},
		{int16(1), "1"},
		{int32(1), "1"},
		{int64(1), "1"},
		{uint(1), "1"},
		{uint8(1), "1"},
		{uint16(1), "1"},
		{uint32(1), "1"},
		{uint64(1), "1"},
		{float32(1), "1.00"},
		{float64(1.0), "1.00"},
		{[]int{1, 2, 3}, "[1 2 3]"},
		{[]string{"1", "2", "3"}, `[1 2 3]`},
		{[]interface{}{"1", 2, "3"}, `[1 2 3]`},
		{map[string]int{"a": 1}, "map[a:1]"},
	}

	for _, v := range tests {
		assert.Equal(t, ToString(v.in), v.out, v)
	}
}

func TestJoin(t *testing.T) {
	var s *string
	var i interface{} = s

	tests := []struct {
		in  interface{}
		out string
	}{
		{s, ""},
		{nil, "<nil>"},
		{"abc", "abc"},
		{int(1), "1"},
		{[]int{1, 2, 3}, "1, 2, 3"},
		{[]string{"1", "2", "3"}, `1, 2, 3`},
		{[]interface{}{"1", 2, "3"}, `1, 2, 3`},
		{map[string]int{"a": 1}, "map[a:1]"},
	}

	for _, v := range tests {
		assert.Equal(t, Join(v.in, ", "), v.out, v)
	}

	x := Join(&i, ",")
	assert.Contains(t, x, "0x")
}

func TestExpand(t *testing.T) {
	h := map[string]interface{}{"hello": "world"}
	m := map[string]interface{}{"name": "Li Kexian", "money": 100}

	tests := []struct {
		in  string
		mv  map[string]interface{}
		out string
	}{
		{"", m, ""},
		{"hello", m, "hello"},
		{"i am {}", m, "i am {}"},
		{"i am name}", m, "i am name}"},
		{"i am {name", m, "i am {name"},
		{"i am }name{", m, "i am }name{"},
		{"i am {name}", h, "i am %!name(MISSING)"},
		{"i am {name}", m, "i am Li Kexian"},
		{"i am {{name}}", m, "i am {Li Kexian}"},
		{"i am {{{{{{name}", m, "i am {{{{{Li Kexian"},
		{"i am {{{{{{name}}", m, "i am {{{{{Li Kexian}"},
		{"i am {{{{{{name}}}}}}", m, "i am {{{{{Li Kexian}}}}}"},
		{"i have ${money}", m, "i have $100"},
		{"{name} have ${money}, call {name}.", m, "Li Kexian have $100, call Li Kexian."},
	}

	for _, v := range tests {
		assert.Equal(t, Expand(v.in, v.mv), v.out)
	}
}

func TestLastInIndex(t *testing.T) {
	tests := []struct {
		s   string
		f   string
		out int
	}{
		{"a", "b", -1},
		{"a", "a", 0},
		{"ab", "b", 1},
		{"abc", "c", 2},
		{"{a}", "{", 0},
		{"{{a}", "{", 1},
		{"{{{a}", "{", 2},
	}

	for _, v := range tests {
		assert.Equal(t, LastInIndex(v.s, v.f), v.out)
	}
}

func TestSnakeCamel(t *testing.T) {
	tests := []struct {
		x string
		y string
	}{
		{"Xyz", "xyz"},
		{"XYz", "x_yz"},
		{"XYZ", "x_y_z"},
		{"XabcYdefZghi", "xabc_ydef_zghi"},
		{"中国人", "中国人"},
		{"X中国人", "x中国人"},
		{"X中Y国人", "x中_y国人"},
		{"X中Y国Z人", "x中_y国_z人"},
		{"Xab中cYd国efZg人hi", "xab中c_yd国ef_zg人hi"},
	}

	for _, v := range tests {
		assert.Equal(t, ToSnake(v.x), v.y)
		assert.Equal(t, ToCamel(v.y), v.x)
	}
}