github.com/google/cloudprober@v0.11.3/probes/probeutils/probeutils_test.go (about)

     1  // Copyright 2017-2019 The Cloudprober Authors.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //      http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package probeutils
    16  
    17  import (
    18  	"reflect"
    19  	"testing"
    20  )
    21  
    22  func TestPayloadVerification(t *testing.T) {
    23  	testBytes := []byte("test bytes")
    24  
    25  	// Verify that for the larger payload sizes we get replicas of the same
    26  	// bytes.
    27  	for _, size := range []int{4, 256, 999, 2048, 4 * len(testBytes)} {
    28  		payload := make([]byte, size)
    29  
    30  		PatternPayload(payload, testBytes)
    31  
    32  		var expectedBuf []byte
    33  		for i := 0; i < size/len(testBytes); i++ {
    34  			expectedBuf = append(expectedBuf, testBytes...)
    35  		}
    36  		// Remaining bytes
    37  		expectedBuf = append(expectedBuf, testBytes[:size-len(expectedBuf)]...)
    38  		if !reflect.DeepEqual(payload, expectedBuf) {
    39  			t.Errorf("Bytes array:\n%o\n\nExpected:\n%o", payload, expectedBuf)
    40  		}
    41  
    42  		// Verify payload.
    43  		err := VerifyPayloadPattern(payload, testBytes)
    44  		if err != nil {
    45  			t.Errorf("Data verification error: %v", err)
    46  		}
    47  	}
    48  }
    49  
    50  func benchmarkVerifyPayloadPattern(size int, b *testing.B) {
    51  	testBytes := []byte("test bytes")
    52  	payload := make([]byte, size)
    53  	PatternPayload(payload, testBytes)
    54  
    55  	for n := 0; n < b.N; n++ {
    56  		VerifyPayloadPattern(payload, testBytes)
    57  	}
    58  }
    59  
    60  func BenchmarkVerifyPayloadPattern56(b *testing.B)   { benchmarkVerifyPayloadPattern(56, b) }
    61  func BenchmarkVerifyPayloadPattern256(b *testing.B)  { benchmarkVerifyPayloadPattern(256, b) }
    62  func BenchmarkVerifyPayloadPattern1999(b *testing.B) { benchmarkVerifyPayloadPattern(1999, b) }
    63  func BenchmarkVerifyPayloadPattern9999(b *testing.B) { benchmarkVerifyPayloadPattern(9999, b) }