github.com/yinchengtsinghua/golang-Eos-dpos-Ethereum@v0.0.0-20190121132951-92cc4225ed8e/swarm/storage/mru/update_test.go (about)

     1  
     2  //此源码被清华学神尹成大魔王专业翻译分析并修改
     3  //尹成QQ77025077
     4  //尹成微信18510341407
     5  //尹成所在QQ群721929980
     6  //尹成邮箱 yinc13@mails.tsinghua.edu.cn
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     8  //https://mvp.microsoft.com/zh-cn/PublicProfile/4033620
     9  package mru
    10  
    11  import (
    12  	"bytes"
    13  	"testing"
    14  )
    15  
    16  const serializedUpdateHex = "0x490034004f000000da070000fb0ed7efa696bdb0b54cd75554cc3117ffc891454317df7dd6fefad978e2f2fbf74a10ce8f26ffc8bfaa07c3031a34b2c61f517955e7deb1592daccf96c69cf000456c20717565206c6565206d7563686f207920616e6461206d7563686f2c207665206d7563686f20792073616265206d7563686f"
    17  const serializedUpdateMultihashHex = "0x490022004f000000da070000fb0ed7efa696bdb0b54cd75554cc3117ffc891454317df7dd6fefad978e2f2fbf74a10ce8f26ffc8bfaa07c3031a34b2c61f517955e7deb1592daccf96c69cf0011b200102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1c1e1f20"
    18  
    19  func getTestResourceUpdate() *resourceUpdate {
    20  	return &resourceUpdate{
    21  		updateHeader: *getTestUpdateHeader(false),
    22  		data:         []byte("El que lee mucho y anda mucho, ve mucho y sabe mucho"),
    23  	}
    24  }
    25  
    26  func getTestResourceUpdateMultihash() *resourceUpdate {
    27  	return &resourceUpdate{
    28  		updateHeader: *getTestUpdateHeader(true),
    29  		data:         []byte{0x1b, 0x20, 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, 28, 30, 31, 32},
    30  	}
    31  }
    32  
    33  func compareResourceUpdate(a, b *resourceUpdate) bool {
    34  	return compareUpdateHeader(&a.updateHeader, &b.updateHeader) &&
    35  		bytes.Equal(a.data, b.data)
    36  }
    37  
    38  func TestResourceUpdateSerializer(t *testing.T) {
    39  var serializedUpdateLength = len(serializedUpdateHex)/2 - 1 //
    40  	update := getTestResourceUpdate()
    41  	serializedUpdate := make([]byte, serializedUpdateLength)
    42  	if err := update.binaryPut(serializedUpdate); err != nil {
    43  		t.Fatal(err)
    44  	}
    45  	compareByteSliceToExpectedHex(t, "serializedUpdate", serializedUpdate, serializedUpdateHex)
    46  
    47  //
    48  	update.data = nil
    49  	if err := update.binaryPut(serializedUpdate); err == nil {
    50  		t.Fatal("Expected resourceUpdate.binaryPut to fail since update does not contain data")
    51  	}
    52  
    53  //
    54  	update.data = make([]byte, 10000)
    55  	if err := update.binaryPut(serializedUpdate); err == nil {
    56  		t.Fatal("Expected resourceUpdate.binaryPut to fail since update is too big")
    57  	}
    58  
    59  //
    60  	update.data = make([]byte, 1)
    61  	if err := update.binaryPut(serializedUpdate); err == nil {
    62  		t.Fatal("Expected resourceUpdate.binaryPut to fail since passed slice is not of the appropriate size")
    63  	}
    64  
    65  //
    66  var serializedUpdateMultihashLength = len(serializedUpdateMultihashHex)/2 - 1 //
    67  	update = getTestResourceUpdateMultihash()
    68  	serializedUpdate = make([]byte, serializedUpdateMultihashLength)
    69  	if err := update.binaryPut(serializedUpdate); err != nil {
    70  		t.Fatal(err)
    71  	}
    72  	compareByteSliceToExpectedHex(t, "serializedUpdate", serializedUpdate, serializedUpdateMultihashHex)
    73  
    74  //
    75  	update.data[1] = 79
    76  	if err := update.binaryPut(serializedUpdate); err == nil {
    77  		t.Fatal("Expected resourceUpdate.binaryPut to fail since data contains an invalid multihash")
    78  	}
    79  
    80  }