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https://github.com/k3s-io/kubernetes.git
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Add a utility to prune junit xml files
Signed-off-by: Davanum Srinivas <davanum@gmail.com>
This commit is contained in:
Davanum Srinivas
parent
2e55595d3b
commit
917c361880
145
cmd/prune-junit-xml/prunexml.go
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145
cmd/prune-junit-xml/prunexml.go
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/*
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Copyright 2022 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package main
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import (
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"encoding/xml"
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"flag"
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"io"
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"os"
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)
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// JUnitTestSuites is a collection of JUnit test suites.
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type JUnitTestSuites struct {
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XMLName xml.Name `xml:"testsuites"`
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Suites []JUnitTestSuite `xml:"testsuite"`
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}
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// JUnitTestSuite is a single JUnit test suite which may contain many
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// testcases.
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type JUnitTestSuite struct {
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XMLName xml.Name `xml:"testsuite"`
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Tests int `xml:"tests,attr"`
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Failures int `xml:"failures,attr"`
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Time string `xml:"time,attr"`
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Name string `xml:"name,attr"`
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Properties []JUnitProperty `xml:"properties>property,omitempty"`
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TestCases []JUnitTestCase `xml:"testcase"`
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Timestamp string `xml:"timestamp,attr"`
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}
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// JUnitTestCase is a single test case with its result.
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type JUnitTestCase struct {
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XMLName xml.Name `xml:"testcase"`
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Classname string `xml:"classname,attr"`
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Name string `xml:"name,attr"`
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Time string `xml:"time,attr"`
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SkipMessage *JUnitSkipMessage `xml:"skipped,omitempty"`
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Failure *JUnitFailure `xml:"failure,omitempty"`
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}
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// JUnitSkipMessage contains the reason why a testcase was skipped.
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type JUnitSkipMessage struct {
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Message string `xml:"message,attr"`
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}
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// JUnitProperty represents a key/value pair used to define properties.
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type JUnitProperty struct {
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Name string `xml:"name,attr"`
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Value string `xml:"value,attr"`
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}
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// JUnitFailure contains data related to a failed test.
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type JUnitFailure struct {
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Message string `xml:"message,attr"`
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Type string `xml:"type,attr"`
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Contents string `xml:",chardata"`
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}
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func main() {
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maxTextSize := flag.Int("max-text-size", 1, "maximum size of attribute or text (in MB)")
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flag.Parse()
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if flag.NArg() > 0 {
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for _, path := range flag.Args() {
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xmlReader, err := os.Open(path)
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if err != nil {
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panic(err)
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}
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defer xmlReader.Close()
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suites, err := fetchXML(xmlReader) // convert MB into bytes (roughly!)
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if err != nil {
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panic(err)
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}
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pruneXML(suites, *maxTextSize*1e6) // convert MB into bytes (roughly!)
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xmlWriter, err := os.OpenFile(path, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0666)
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if err != nil {
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panic(err)
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}
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defer xmlWriter.Close()
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err = streamXML(xmlWriter, suites)
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if err != nil {
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panic(err)
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}
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}
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}
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}
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func pruneXML(suites *JUnitTestSuites, maxBytes int) {
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for _, suite := range suites.Suites {
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for _, testcase := range suite.TestCases {
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if testcase.SkipMessage != nil {
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if len(testcase.SkipMessage.Message) > maxBytes {
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testcase.SkipMessage.Message = "[... clipped...]" +
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testcase.SkipMessage.Message[len(testcase.SkipMessage.Message)-maxBytes:]
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}
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}
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if testcase.Failure != nil {
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if len(testcase.Failure.Contents) > maxBytes {
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testcase.Failure.Contents = "[... clipped...]" +
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testcase.Failure.Contents[len(testcase.Failure.Contents)-maxBytes:]
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}
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}
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}
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}
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}
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func fetchXML(xmlReader io.Reader) (*JUnitTestSuites, error) {
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decoder := xml.NewDecoder(xmlReader)
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var suites JUnitTestSuites
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err := decoder.Decode(&suites)
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if err != nil {
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return nil, err
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}
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return &suites, nil
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}
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func streamXML(writer io.Writer, in *JUnitTestSuites) error {
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_, err := writer.Write([]byte("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"))
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if err != nil {
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return err
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}
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encoder := xml.NewEncoder(writer)
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encoder.Indent("", "\t")
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err = encoder.Encode(in)
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if err != nil {
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return err
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}
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return encoder.Flush()
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}
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66
cmd/prune-junit-xml/prunexml_test.go
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66
cmd/prune-junit-xml/prunexml_test.go
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@ -0,0 +1,66 @@
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/*
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Copyright 2021 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package main
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import (
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"bufio"
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"bytes"
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"github.com/stretchr/testify/assert"
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"strings"
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"testing"
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)
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func TestPruneXML(t *testing.T) {
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sourceXML := `<?xml version="1.0" encoding="UTF-8"?>
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<testsuites>
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<testsuite tests="3" failures="1" time="271.610000" name="k8s.io/kubernetes/test/integration/apiserver" timestamp="">
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<properties>
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<property name="go.version" value="go1.18 linux/amd64"></property>
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</properties>
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<testcase classname="k8s.io/kubernetes/test/integration/apimachinery" name="TestWatchRestartsIfTimeoutNotReached/group/InformerWatcher_survives_closed_watches" time="30.050000"></testcase>
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<testcase classname="k8s.io/kubernetes/test/integration/apiserver" name="TestMaxResourceSize/JSONPatchType_should_handle_a_patch_just_under_the_max_limit" time="0.000000">
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<skipped message="=== RUN TestMaxResourceSize/JSONPatchType_should_handle_a_patch_just_under_the_max_limit
 max_request_body_bytes_test.go:89: skipping expensive test
 --- SKIP: TestMaxResourceSize/JSONPatchType_should_handle_a_patch_just_under_the_max_limit (0.00s)
"></skipped>
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</testcase>
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<testcase classname="k8s.io/kubernetes/test/integration/apimachinery" name="TestSchedulerInformers" time="-0.000000">
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<failure message="Failed" type="">
	/home/prow/go/src/k8s.io/kubernetes/_output/local/go/src/k8s.io/kubernetes/vendor/google.golang.org/grpc/internal/transport/transport.go:169 +0x147
k8s.io/kubernetes/vendor/google.golang.org/grpc/internal/transport.(*transportReader).Read(0xc0e5f8edb0, {0xc0efe16f88?, 0xc1169d3a88?, 0x1804787?})
	/home/prow/go/src/k8s.io/kubernetes/_output/local/go/src/k8s.io/kubernetes/vendor/google.golang.org/grpc/internal/transport/transport.go:483 +0x32
io.ReadAtLeast({0x55c5720, 0xc0e5f8edb0}, {0xc0efe16f88, 0x5, 0x5}, 0x5)
	/usr/local/go/src/io/io.go:331 +0x9a
io.ReadFull(...)
	/usr/local/go/src/io/io.go:350
k8s.io/kubernetes/vendor/google.golang.org/grpc/internal/transport.(*Stream).Read(0xc0f3cd67e0, {0xc0efe16f88, 0x5, 0x5})
	/home/prow/go/src/k8s.io/kubernetes/_output/local/go/src/k8s.io/kubernetes/vendor/google.golang.org/grpc/internal/transport/transport.go:467 +0xa5
k8s.io/kubernetes/vendor/google.golang.org/grpc.(*parser).recvMsg(0xc0efe16f78, 0x7fffffff)
	/home/prow/go/src/k8s.io/kubernetes/_output/local/go/src/k8s.io/kubernetes/vendor/google.golang.org/grpc/rpc_util.go:559 +0x47
k8s.io/kubernetes/vendor/google.golang.org/grpc.recvAndDecompress(0xc1169d3c58?, 0xc0f3cd67e0, {0x0, 0x0}, 0x7fffffff, 0x0, {0x0, 0x0})
	/home/prow/go/src/k8s.io/kubernetes/_output/local/go/src/k8s.io/kubernetes/vendor/google.golang.org/grpc/rpc_util.go:690 +0x66
k8s.io/kubernetes/vendor/google.golang.org/grpc.recv(0x172b28f?, {0x7f837c291d58, 0x7f84350}, 0x6f5a274d6e8f284c?, {0x0?, 0x0?}, {0x4be7d40, 0xc0f8c01d50}, 0x0?, 0x0, ...)
	/home/prow/go/src/k8s.io/kubernetes/_output/local/go/src/k8s.io/kubernetes/vendor/google.golang.org/grpc/rpc_util.go:758 +0x6e
k8s.io/kubernetes/vendor/google.golang.org/grpc.(*csAttempt).recvMsg(0xc0eb72d800, {0x4be7d40?, 0xc0f8c01d50}, 0x2?)
	/home/prow/go/src/k8s.io/kubernetes/_output/local/go/src/k8s.io/kubernetes/vendor/google.golang.org/grpc/stream.go:970 +0x2b0
k8s.io/kubernetes/vendor/google.golang.org/grpc.(*clientStream).RecvMsg.func1(0x4be7d40?)
	/home/prow/go/src/k8s.io/kubernetes/_output/local/go/src/k8s.io/kubernetes/vendor/google.golang.org/grpc/stream.go:821 +0x25
k8s.io/kubernetes/vendor/google.golang.org/grpc.(*clientStream).withRetry(0xc0f3cd65a0, 0xc1169d3e78, 0xc1169d3e48)
	/home/prow/go/src/k8s.io/kubernetes/_output/local/go/src/k8s.io/kubernetes/vendor/google.golang.org/grpc/stream.go:675 +0x2f6
k8s.io/kubernetes/vendor/google.golang.org/grpc.(*clientStream).RecvMsg(0xc0f3cd65a0, {0x4be7d40?, 0xc0f8c01d50?})
	/home/prow/go/src/k8s.io/kubernetes/_output/local/go/src/k8s.io/kubernetes/vendor/google.golang.org/grpc/stream.go:820 +0x11f
k8s.io/kubernetes/vendor/github.com/grpc-ecosystem/go-grpc-prometheus.(*monitoredClientStream).RecvMsg(0xc0efe16f90, {0x4be7d40?, 0xc0f8c01d50?})
	/home/prow/go/src/k8s.io/kubernetes/_output/local/go/src/k8s.io/kubernetes/vendor/github.com/grpc-ecosystem/go-grpc-prometheus/client_metrics.go:160</failure>
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</testcase>
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</testsuite>
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</testsuites>`
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outputXML := `<?xml version="1.0" encoding="UTF-8"?>
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<testsuites>
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<testsuite tests="3" failures="1" time="271.610000" name="k8s.io/kubernetes/test/integration/apiserver" timestamp="">
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<properties>
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<property name="go.version" value="go1.18 linux/amd64"></property>
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</properties>
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<testcase classname="k8s.io/kubernetes/test/integration/apimachinery" name="TestWatchRestartsIfTimeoutNotReached/group/InformerWatcher_survives_closed_watches" time="30.050000"></testcase>
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<testcase classname="k8s.io/kubernetes/test/integration/apiserver" name="TestMaxResourceSize/JSONPatchType_should_handle_a_patch_just_under_the_max_limit" time="0.000000">
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<skipped message="[... clipped...]ust_under_the_max_limit (0.00s)
"></skipped>
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</testcase>
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<testcase classname="k8s.io/kubernetes/test/integration/apimachinery" name="TestSchedulerInformers" time="-0.000000">
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<failure message="Failed" type="">[... clipped...]prometheus/client_metrics.go:160</failure>
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</testcase>
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</testsuite>
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</testsuites>`
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suites, _ := fetchXML(strings.NewReader(sourceXML))
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pruneXML(suites, 32)
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var output bytes.Buffer
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writer := bufio.NewWriter(&output)
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_ = streamXML(writer, suites)
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_ = writer.Flush()
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assert.Equal(t, outputXML, string(output.Bytes()), "xml was not pruned correctly")
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}
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