enum/enums_test.go at main · yylego/enum · GitHub

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
package enum_test

import (
	"testing"

	"github.com/stretchr/testify/require"
	"github.com/yylego/enum"
)

func TestNewEnums(t *testing.T) {
	type Status string
	const (
		unknown Status = "unknown"
		success Status = "success"
		failure Status = "failure"
	)

	enums := enum.NewEnums(
		enum.NewEnum(unknown),
		enum.NewEnum(success),
		enum.NewEnum(failure),
	)

	require.Len(t, enums.List(), 3)
	require.Equal(t, unknown, enums.GetDefaultCode())
}

func TestNewEnums_Empty(t *testing.T) {
	type Status string

	enums := enum.NewEnums[Status, *enum.MetaNone]()

	require.Len(t, enums.List(), 0)
	require.Panics(t, func() {
		enums.GetDefault()
	})
}

func TestEnums_Lookup(t *testing.T) {
	type Status string
	const (
		unknown Status = "unknown"
		success Status = "success"
	)

	enums := enum.NewEnums(
		enum.NewEnum(unknown),
		enum.NewEnum(success),
	)

	// Lookup existing code
	res, ok := enums.Lookup(success)
	require.True(t, ok)
	require.Equal(t, success, res.Code())

	// Lookup non-existing code
	res, ok = enums.Lookup(Status("not_exists"))
	require.False(t, ok)
	require.Nil(t, res)
}

func TestEnums_Get(t *testing.T) {
	type Status string
	const (
		unknown Status = "unknown"
		success Status = "success"
	)

	enums := enum.NewEnums(
		enum.NewEnum(unknown),
		enum.NewEnum(success),
	)

	// Get existing code
	res := enums.Get(success)
	require.Equal(t, success, res.Code())

	// Get non-existing code returns default
	res = enums.Get(Status("not_exists"))
	require.Equal(t, unknown, res.Code())
}

func TestEnums_MustGet(t *testing.T) {
	type Status string
	const (
		unknown Status = "unknown"
		success Status = "success"
	)

	enums := enum.NewEnums(
		enum.NewEnum(unknown),
		enum.NewEnum(success),
	)

	// MustGet existing code
	res := enums.MustGet(success)
	require.Equal(t, success, res.Code())

	// MustGet non-existing code panics
	require.Panics(t, func() {
		enums.MustGet(Status("not_exists"))
	})
}

func TestEnums_GetDefault(t *testing.T) {
	type Status string
	const (
		unknown Status = "unknown"
		success Status = "success"
	)

	enums := enum.NewEnums(
		enum.NewEnum(unknown),
		enum.NewEnum(success),
	)

	// First item is default
	res := enums.GetDefault()
	require.Equal(t, unknown, res.Code())
}

func TestEnums_List(t *testing.T) {
	type Status string
	const (
		unknown Status = "unknown"
		success Status = "success"
		failure Status = "failure"
	)

	enums := enum.NewEnums(
		enum.NewEnum(unknown),
		enum.NewEnum(success),
		enum.NewEnum(failure),
	)

	codes := enums.List()
	require.Len(t, codes, 3)
	require.Equal(t, unknown, codes[0])
	require.Equal(t, success, codes[1])
	require.Equal(t, failure, codes[2])
}

func TestEnums_ListValid(t *testing.T) {
	type Status string
	const (
		unknown Status = "unknown"
		success Status = "success"
		failure Status = "failure"
	)

	enums := enum.NewEnums(
		enum.NewEnum(unknown),
		enum.NewEnum(success),
		enum.NewEnum(failure),
	)

	// Default is excluded
	codes := enums.ListValid()
	require.Len(t, codes, 2)
	require.NotContains(t, codes, unknown)
	require.Contains(t, codes, success)
	require.Contains(t, codes, failure)
}

func TestEnums_ListValid_NoDefault(t *testing.T) {
	type Status string

	enums := enum.NewEnums[Status, *enum.MetaNone]()

	// No default, returns each code
	codes := enums.ListValid()
	require.Len(t, codes, 0)
}