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体验新版 GitCode,发现更多精彩内容 >>
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9eb2e985
编写于
8月 03, 2015
作者:
M
Morten Siebuhr
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差异文件
Fix up documentation + go fmt.
上级
7371dcc7
变更
1
隐藏空白更改
内联
并排
Showing
1 changed file
with
66 addition
and
42 deletion
+66
-42
promql/fuzz.go
promql/fuzz.go
+66
-42
未找到文件。
promql/fuzz.go
浏览文件 @
9eb2e985
package
promql
// Copyright 2015 The Prometheus Authors
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Only build when go-fuzz is in use
// +build gofuzz
/* PromQL parser fuzzing instrumentation for use with https://github.com/dvyukov/go-fuzz.
*
* Fuzz each parser by building appropriately instrumented parser, ex. FuzzParseMetric and execute it with it's
*
* go-fuzz-build -func FuzzParseMetric -o FuzzParseMetric.zip github.com/prometheus/prometheus/promql
*
* And then run the tests with the appropriate inputs
*
* go-fuzz -bin FuzzParseMetric.zip -workdir fuzz-data/ParseMetric
*
* Further input samples should go in the folders fuzz-data/ParseMetric/corpus.
*
* Repeat for ParseMetricSeletion, ParseExpr and ParseStmt
*/
package
promql
// PromQL parser fuzzing instrumentation for use with
// https://github.com/dvyukov/go-fuzz.
//
// Fuzz each parser by building appropriately instrumented parser, ex.
// FuzzParseMetric and execute it with it's
//
// go-fuzz-build -func FuzzParseMetric -o FuzzParseMetric.zip github.com/prometheus/prometheus/promql
//
// And then run the tests with the appropriate inputs
//
// go-fuzz -bin FuzzParseMetric.zip -workdir fuzz-data/ParseMetric
//
// Further input samples should go in the folders fuzz-data/ParseMetric/corpus.
//
// Repeat for ParseMetricSeletion, ParseExpr and ParseStmt.
// Tuning which value is returned from Fuzz*-functions has a strong influence
// on how quick the fuzzer converges on "interesting" cases. At least try
// switching between fuzzMeh (= included in corpus, but not a priority) and
// fuzzDiscard (=don't use this input for re-building later inputs) when
// experimenting.
const
(
fuzz
_i
nteresting
=
1
fuzz
_m
eh
=
0
fuzz
_d
iscard
=
-
1
fuzz
I
nteresting
=
1
fuzz
M
eh
=
0
fuzz
D
iscard
=
-
1
)
// Fuzz the metric parser
// Fuzz the metric parser.
//
// Note that his is not the parser for the text-based exposition-format; that
// lives in github.com/prometheus/client_golang/text.
func
FuzzParseMetric
(
in
[]
byte
)
int
{
_
,
err
:=
ParseMetric
(
string
(
in
))
_
,
err
:=
ParseMetric
(
string
(
in
))
if
err
==
nil
{
return
fuzz_i
nteresting
}
if
err
==
nil
{
return
fuzzI
nteresting
}
return
fuzz_d
iscard
return
fuzzD
iscard
}
// Fuzz the metric selector parser
// Fuzz the metric selector parser
.
func
FuzzParseMetricSelector
(
in
[]
byte
)
int
{
_
,
err
:=
ParseMetricSelector
(
string
(
in
))
_
,
err
:=
ParseMetricSelector
(
string
(
in
))
if
err
==
nil
{
return
fuzz_i
nteresting
}
if
err
==
nil
{
return
fuzzI
nteresting
}
return
fuzz_d
iscard
return
fuzzD
iscard
}
// Fuzz the expression parser
// Fuzz the expression parser
.
func
FuzzParseExpr
(
in
[]
byte
)
int
{
_
,
err
:=
ParseExpr
(
string
(
in
))
_
,
err
:=
ParseExpr
(
string
(
in
))
if
err
==
nil
{
return
fuzz_i
nteresting
}
if
err
==
nil
{
return
fuzzI
nteresting
}
return
fuzz_d
iscard
return
fuzzD
iscard
}
// Fuzz the
parser
// Fuzz the
parser.
func
FuzzParseStmts
(
in
[]
byte
)
int
{
_
,
err
:=
ParseStmts
(
string
(
in
))
_
,
err
:=
ParseStmts
(
string
(
in
))
if
err
==
nil
{
return
fuzz_i
nteresting
}
if
err
==
nil
{
return
fuzzI
nteresting
}
return
fuzz_d
iscard
return
fuzzD
iscard
}
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