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
|
//go:build !linux
// +build !linux
package memlimit
import (
"errors"
"flag"
"math"
"os"
"runtime/debug"
"testing"
)
var expected uint64
func TestMain(m *testing.M) {
flag.Uint64Var(&expected, "expected", 0, "Expected memory limit")
flag.Parse()
os.Exit(m.Run())
}
func TestSetGoMemLimit(t *testing.T) {
type args struct {
ratio float64
}
tests := []struct {
name string
args args
want int64
wantErr error
gomemlimit int64
}{
{
name: "0.5",
args: args{
ratio: 0.5,
},
want: 0,
wantErr: ErrCgroupsNotSupported,
gomemlimit: math.MaxInt64,
},
{
name: "0.9",
args: args{
ratio: 0.9,
},
want: 0,
wantErr: ErrCgroupsNotSupported,
gomemlimit: math.MaxInt64,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
t.Cleanup(func() {
debug.SetMemoryLimit(math.MaxInt64)
})
got, err := SetGoMemLimit(tt.args.ratio)
if !errors.Is(err, tt.wantErr) {
t.Errorf("SetGoMemLimit() error = %v, wantErr %v", err, tt.wantErr)
return
}
if got != tt.want {
t.Errorf("SetGoMemLimit() got = %v, want %v", got, tt.want)
}
if debug.SetMemoryLimit(-1) != tt.gomemlimit {
t.Errorf("debug.SetMemoryLimit(-1) got = %v, want %v", debug.SetMemoryLimit(-1), tt.gomemlimit)
}
})
}
}
func TestSetGoMemLimitWithProvider_WithCgroupProvider(t *testing.T) {
type args struct {
provider Provider
ratio float64
}
tests := []struct {
name string
args args
want int64
wantErr error
}{
{
name: "FromCgroup",
args: args{
provider: FromCgroup,
ratio: 0.9,
},
want: 0,
wantErr: ErrCgroupsNotSupported,
},
{
name: "FromCgroupV1",
args: args{
provider: FromCgroupV1,
ratio: 0.9,
},
want: 0,
wantErr: ErrCgroupsNotSupported,
},
{
name: "FromCgroupHybrid",
args: args{
provider: FromCgroupHybrid,
ratio: 0.9,
},
want: 0,
wantErr: ErrCgroupsNotSupported,
},
{
name: "FromCgroupV2",
args: args{
provider: FromCgroupV2,
ratio: 0.9,
},
want: 0,
wantErr: ErrCgroupsNotSupported,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
got, err := SetGoMemLimitWithProvider(tt.args.provider, tt.args.ratio)
if !errors.Is(err, tt.wantErr) {
t.Errorf("SetGoMemLimitWithProvider() error = %v, wantErr %v", err, tt.wantErr)
return
}
if got != tt.want {
t.Errorf("SetGoMemLimitWithProvider() got = %v, want %v", got, tt.want)
}
})
}
}
func TestSetGoMemLimitWithProvider_WithSystemProvider(t *testing.T) {
type args struct {
provider Provider
ratio float64
}
tests := []struct {
name string
args args
want int64
wantErr error
gomemlimit int64
skip bool
}{
{
name: "FromSystem",
args: args{
provider: FromSystem,
ratio: 0.9,
},
want: int64(float64(expected) * 0.9),
wantErr: nil,
gomemlimit: int64(float64(expected) * 0.9),
skip: expected == 0,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
if tt.skip {
t.Skip()
}
t.Cleanup(func() {
debug.SetMemoryLimit(math.MaxInt64)
})
got, err := SetGoMemLimitWithProvider(tt.args.provider, tt.args.ratio)
if !errors.Is(err, tt.wantErr) {
t.Errorf("SetGoMemLimitWithProvider() error = %v, wantErr %v", err, tt.wantErr)
return
}
if got != tt.want {
t.Errorf("SetGoMemLimitWithProvider() got = %v, want %v", got, tt.want)
}
if debug.SetMemoryLimit(-1) != tt.gomemlimit {
t.Errorf("debug.SetMemoryLimit(-1) got = %v, want %v", debug.SetMemoryLimit(-1), tt.gomemlimit)
}
})
}
}
|
