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
|
// Copyright 2014 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package parse
import (
"reflect"
"strings"
"testing"
)
func TestParseLine(t *testing.T) {
cases := []struct {
line string
want *Bench
err bool // expect an error
}{
{
line: "BenchmarkEncrypt 100000000 19.6 ns/op",
want: &Bench{
Name: "BenchmarkEncrypt",
N: 100000000, NsOp: 19.6,
Measured: NsOp,
},
},
{
line: "BenchmarkEncrypt 100000000 19.6 ns/op 817.77 MB/s",
want: &Bench{
Name: "BenchmarkEncrypt",
N: 100000000, NsOp: 19.6, MbS: 817.77,
Measured: NsOp | MbS,
},
},
{
line: "BenchmarkEncrypt 100000000 19.6 ns/op 817.77",
want: &Bench{
Name: "BenchmarkEncrypt",
N: 100000000, NsOp: 19.6,
Measured: NsOp,
},
},
{
line: "BenchmarkEncrypt 100000000 19.6 ns/op 817.77 MB/s 5 allocs/op",
want: &Bench{
Name: "BenchmarkEncrypt",
N: 100000000, NsOp: 19.6, MbS: 817.77, AllocsOp: 5,
Measured: NsOp | MbS | AllocsOp,
},
},
{
line: "BenchmarkEncrypt 100000000 19.6 ns/op 817.77 MB/s 3 B/op 5 allocs/op",
want: &Bench{
Name: "BenchmarkEncrypt",
N: 100000000, NsOp: 19.6, MbS: 817.77, BOp: 3, AllocsOp: 5,
Measured: NsOp | MbS | BOp | AllocsOp,
},
},
// error handling cases
{
line: "BenchPress 100 19.6 ns/op", // non-benchmark
err: true,
},
{
line: "BenchmarkEncrypt lots 19.6 ns/op", // non-int iterations
err: true,
},
{
line: "BenchmarkBridge 100000000 19.6 smoots", // unknown unit
want: &Bench{
Name: "BenchmarkBridge",
N: 100000000,
},
},
{
line: "PASS",
err: true,
},
}
for _, tt := range cases {
have, err := ParseLine(tt.line)
if tt.err && err == nil {
t.Errorf("parsing line %q should have failed", tt.line)
continue
}
if !reflect.DeepEqual(have, tt.want) {
t.Errorf("parsed line %q incorrectly, want %v have %v", tt.line, tt.want, have)
}
}
}
func TestParseBenchSet(t *testing.T) {
// Test two things:
// 1. The noise that can accompany testing.B output gets ignored.
// 2. Benchmarks with the same name have their order preserved.
in := `
? crypto [no test files]
PASS
pem_decrypt_test.go:17: test 4. %!s(x509.PEMCipher=5)
... [output truncated]
BenchmarkEncrypt 100000000 19.6 ns/op
BenchmarkEncrypt 5000000 517 ns/op
=== RUN TestChunk
--- PASS: TestChunk (0.00 seconds)
--- SKIP: TestLinuxSendfile (0.00 seconds)
fs_test.go:716: skipping; linux-only test
BenchmarkReadRequestApachebench 1000000 2960 ns/op 27.70 MB/s 839 B/op 9 allocs/op
BenchmarkClientServerParallel64 50000 59192 ns/op 7028 B/op 60 allocs/op
ok net/http 95.783s
`
want := BenchSet{
"BenchmarkReadRequestApachebench": []*Bench{
{
Name: "BenchmarkReadRequestApachebench",
N: 1000000, NsOp: 2960, MbS: 27.70, BOp: 839, AllocsOp: 9,
Measured: NsOp | MbS | BOp | AllocsOp,
Ord: 2,
},
},
"BenchmarkClientServerParallel64": []*Bench{
{
Name: "BenchmarkClientServerParallel64",
N: 50000, NsOp: 59192, BOp: 7028, AllocsOp: 60,
Measured: NsOp | BOp | AllocsOp,
Ord: 3,
},
},
"BenchmarkEncrypt": []*Bench{
{
Name: "BenchmarkEncrypt",
N: 100000000, NsOp: 19.6,
Measured: NsOp,
Ord: 0,
},
{
Name: "BenchmarkEncrypt",
N: 5000000, NsOp: 517,
Measured: NsOp,
Ord: 1,
},
},
}
have, err := ParseBenchSet(strings.NewReader(in))
if err != nil {
t.Fatalf("unexpected err during ParseBenchSet: %v", err)
}
if !reflect.DeepEqual(want, have) {
t.Errorf("parsed bench set incorrectly, want %v have %v", want, have)
}
}
|
