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Source file src/k8s.io/kubernetes/test/integration/logs/benchmark/common_test.go

Documentation: k8s.io/kubernetes/test/integration/logs/benchmark

     1  /*
     2  Copyright 2021 The Kubernetes Authors.
     3  
     4  Licensed under the Apache License, Version 2.0 (the "License");
     5  you may not use this file except in compliance with the License.
     6  You may obtain a copy of the License at
     7  
     8      http://www.apache.org/licenses/LICENSE-2.0
     9  
    10  Unless required by applicable law or agreed to in writing, software
    11  distributed under the License is distributed on an "AS IS" BASIS,
    12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  See the License for the specific language governing permissions and
    14  limitations under the License.
    15  */
    16  
    17  package benchmark
    18  
    19  import (
    20  	"flag"
    21  	"os"
    22  	"testing"
    23  
    24  	"k8s.io/klog/v2"
    25  )
    26  
    27  func init() {
    28  	// hack/make-rules/test-integration.sh expects that all unit tests
    29  	// support -v and -vmodule.
    30  	klog.InitFlags(nil)
    31  
    32  	// Write all output into a single file.
    33  	flag.Set("alsologtostderr", "false")
    34  	flag.Set("logtostderr", "false")
    35  	flag.Set("one_output", "true")
    36  	flag.Set("stderrthreshold", "FATAL")
    37  }
    38  
    39  func newBytesWritten(tb testing.TB, filename string) *bytesWritten {
    40  	out, err := os.Create(filename)
    41  	if err != nil {
    42  		tb.Fatalf("open fake output: %v", err)
    43  	}
    44  	tb.Cleanup(func() { _ = out.Close() })
    45  	return &bytesWritten{
    46  		out: out,
    47  	}
    48  }
    49  
    50  type bytesWritten struct {
    51  	out          *os.File
    52  	bytesWritten int64
    53  }
    54  
    55  func (b *bytesWritten) Write(data []byte) (int, error) {
    56  	b.bytesWritten += int64(len(data))
    57  	return b.out.Write(data)
    58  }
    59  
    60  func printf(item logMessage) {
    61  	if item.isError {
    62  		klog.Errorf("%s: %v %s", item.msg, item.err, item.kvs)
    63  	} else {
    64  		klog.Infof("%s: %v", item.msg, item.kvs)
    65  	}
    66  }
    67  
    68  func prints(logger klog.Logger, item logMessage) {
    69  	if item.isError {
    70  		logger.Error(item.err, item.msg, item.kvs...) // nolint: logcheck
    71  	} else {
    72  		logger.Info(item.msg, item.kvs...) // nolint: logcheck
    73  	}
    74  }
    75  
    76  func printLogger(item logMessage) {
    77  	prints(klog.Background(), item)
    78  }
    79  

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