-
Notifications
You must be signed in to change notification settings - Fork 2
/
random_test.go
175 lines (167 loc) · 3.07 KB
/
random_test.go
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
package main
import (
"testing"
)
func TestRandomizer_GetUniqueRandomIntegers(t *testing.T) {
randomizer := NewRandomizer()
testTable := []struct {
name string
sizeX, sizeY int
expectedLen int
randomLimit int
wantErr bool
}{
{
name: "Ok",
sizeX: 5,
sizeY: 5,
expectedLen: 5 * 5,
randomLimit: 100,
},
{
name: "SizeX is 0",
sizeX: 0,
wantErr: true,
},
{
name: "SizeX is Negative",
sizeX: -1,
wantErr: true,
},
{
name: "SizeY is 0",
sizeX: 5,
sizeY: 0,
wantErr: true,
},
{
name: "SizeY is Negative",
sizeX: 5,
sizeY: -5,
wantErr: true,
},
{
name: "Random Limit is 0",
sizeX: 5,
sizeY: 5,
randomLimit: 0,
wantErr: true,
},
{
name: "Random Limit is Negative",
sizeX: 5,
sizeY: 5,
randomLimit: -1,
wantErr: true,
},
{
name: "Random Limit is lower than array size",
sizeX: 5,
sizeY: 5,
randomLimit: 10,
wantErr: true,
},
}
for _, testCase := range testTable {
t.Run(testCase.name, func(t *testing.T) {
result, err := randomizer.GetUniqueRandomIntegers(GetUniqueRandomIntegersInput{
testCase.sizeX, testCase.sizeY, testCase.randomLimit})
if err != nil && !testCase.wantErr {
t.Fatal(err)
}
if err == nil && testCase.wantErr {
t.Fatal("Should fail with error")
}
if len(result) != testCase.expectedLen {
t.Fatalf("Incorrect result length. Want %d, got %d", testCase.expectedLen, len(result))
}
})
}
}
func TestGetUniqueRandomIntegersInput_Validate(t *testing.T) {
testTable := []struct{
name string
input GetUniqueRandomIntegersInput
wantErr bool
} {
{
name: "Ok",
input: GetUniqueRandomIntegersInput{
SizeX: 5,
SizeY: 5,
RandomLimit: 25,
},
},
{
name: "SizeX is 0",
input: GetUniqueRandomIntegersInput{
SizeX: 0,
SizeY: 5,
RandomLimit: 25,
},
wantErr: true,
},
{
name: "SizeX is Negative",
input: GetUniqueRandomIntegersInput{
SizeX: -1,
SizeY: 5,
RandomLimit: 25,
},
wantErr: true,
},
{
name: "SizeY is 0",
input: GetUniqueRandomIntegersInput{
SizeX: 5,
SizeY: 0,
RandomLimit: 25,
},
wantErr: true,
},
{
name: "SizeY is Negative",
input: GetUniqueRandomIntegersInput{
SizeX: 5,
SizeY: -1,
RandomLimit: 25,
},
wantErr: true,
},
{
name: "Random Limit is 0",
input: GetUniqueRandomIntegersInput{
SizeX: 5,
SizeY: 5,
RandomLimit: 0,
},
wantErr: true,
},
{
name: "Random Limit is Negative",
input: GetUniqueRandomIntegersInput{
SizeX: 5,
SizeY: 5,
RandomLimit: -1,
},
wantErr: true,
},
{
name: "Random Limit is lower than array size",
input: GetUniqueRandomIntegersInput{
SizeX: 5,
SizeY: 5,
RandomLimit: 24,
},
wantErr: true,
},
}
for _, testCase := range testTable {
t.Run(testCase.name, func(t *testing.T) {
err := testCase.input.Validate()
if err != nil && !testCase.wantErr {
t.Fatal("Got unexpected error")
}
})
}
}