1. 1
2. 2
3. 3
4. 4
5. 5
6. 6
7. 7
8. 8
9. 9
10. 10
11. 11
12. 12
13. 13
14. 14
15. 15
16. 16
17. 17
18. 18
19. 19
20. 20
21. 21
22. 22
23. 23
24. 24
25. 25
26. 26
27. 27
28. 28
29. 29
30. 30
31. 31
32. 32
33. 33
34. 34
35. 35
36. 36
37. 37
38. 38
39. 39
40. 40
41. 41
42. 42
43. 43
44. 44
45. 45
46. 46
47. 47
48. 48
49. 49
50. 50
51. 51
52. 52
53. 53
54. 54
55. 55
56. 56
57. 57
58. 58
59. 59
60. 60
61. 61
62. 62
63. 63
64. 64
65. 65
66. 66
67. 67
68. 68
69. 69
70. 70
71. 71
72. 72
73. 73
74. 74
75. 75
76. 76
77. 77
78. 78
79. 79
80. 80
81. 81
82. 82
83. 83
84. 84
85. 85
86. 86
87. 87
88. 88
89. 89
90. 90
91. 91
92. 92
93. 93
94. 94
95. 95
96. 96
97. 97
98. 98
99. 99
100. 100

// Copyright 2020 The Gitea Authors. All rights reserved.
// Copyright 2015 Kenneth Shaw
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.

package emoji

import (
	"reflect"
	"testing"

	"github.com/stretchr/testify/assert"
)

func TestDumpInfo(t *testing.T) {
	t.Logf("codes: %d", len(codeMap))
	t.Logf("aliases: %d", len(aliasMap))
}

func TestLookup(t *testing.T) {
	a := FromCode("\U0001f37a")
	b := FromCode("🍺")
	c := FromAlias(":beer:")
	d := FromAlias("beer")

	if !reflect.DeepEqual(a, b) {
		t.Errorf("a and b should equal")
	}
	if !reflect.DeepEqual(b, c) {
		t.Errorf("b and c should equal")
	}
	if !reflect.DeepEqual(c, d) {
		t.Errorf("c and d should equal")
	}
	if !reflect.DeepEqual(a, d) {
		t.Errorf("a and d should equal")
	}

	m := FromCode("\U0001f44d")
	n := FromAlias(":thumbsup:")
	o := FromAlias("+1")

	if !reflect.DeepEqual(m, n) {
		t.Errorf("m and n should equal")
	}
	if !reflect.DeepEqual(n, o) {
		t.Errorf("n and o should equal")
	}
	if !reflect.DeepEqual(m, o) {
		t.Errorf("m and o should equal")
	}
}

func TestReplacers(t *testing.T) {
	tests := []struct {
		f      func(string) string
		v, exp string
	}{
		{ReplaceCodes, ":thumbsup: +1 for \U0001f37a! 🍺 \U0001f44d", ":thumbsup: +1 for :beer:! :beer: :+1:"},
		{ReplaceAliases, ":thumbsup: +1 :+1: :beer:", "\U0001f44d +1 \U0001f44d \U0001f37a"},
	}

	for i, x := range tests {
		s := x.f(x.v)
		if s != x.exp {
			t.Errorf("test %d `%s` expected `%s`, got: `%s`", i, x.v, x.exp, s)
		}
	}
}

func TestFindEmojiSubmatchIndex(t *testing.T) {
	type testcase struct {
		teststring string
		expected   []int
	}

	testcases := []testcase{
		{
			"\U0001f44d",
			[]int{0, len("\U0001f44d")},
		},
		{
			"\U0001f44d +1 \U0001f44d \U0001f37a",
			[]int{0, 4},
		},
		{
			" \U0001f44d",
			[]int{1, 1 + len("\U0001f44d")},
		},
		{
			string([]byte{'\u0001'}) + "\U0001f44d",
			[]int{1, 1 + len("\U0001f44d")},
		},
	}

	for _, kase := range testcases {
		actual := FindEmojiSubmatchIndex(kase.teststring)
		assert.Equal(t, kase.expected, actual)
	}
}