github.com/alexdevranger/node-1.8.27@v0.0.0-20221128213301-aa5841e41d2d/swarm/storage/feed/update_test.go (about)

     1  // Copyright 2018 The go-ethereum Authors
     2  // This file is part of the go-dubxcoin library.
     3  //
     4  // The go-dubxcoin library is free software: you can redistribute it and/or modify
     5  // it under the terms of the GNU Lesser General Public License as published by
     6  // the Free Software Foundation, either version 3 of the License, or
     7  // (at your option) any later version.
     8  //
     9  // The go-dubxcoin library is distributed in the hope that it will be useful,
    10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    12  // GNU Lesser General Public License for more details.
    13  //
    14  // You should have received a copy of the GNU Lesser General Public License
    15  // along with the go-dubxcoin library. If not, see <http://www.gnu.org/licenses/>.
    16  
    17  package feed
    18  
    19  import (
    20  	"testing"
    21  )
    22  
    23  func getTestFeedUpdate() *Update {
    24  	return &Update{
    25  		ID:   *getTestID(),
    26  		data: []byte("El que lee mucho y anda mucho, ve mucho y sabe mucho"),
    27  	}
    28  }
    29  
    30  func TestUpdateSerializer(t *testing.T) {
    31  	testBinarySerializerRecovery(t, getTestFeedUpdate(), "0x0000000000000000776f726c64206e657773207265706f72742c20657665727920686f7572000000876a8936a7cd0b79ef0735ad0896c1afe278781ce803000000000019456c20717565206c6565206d7563686f207920616e6461206d7563686f2c207665206d7563686f20792073616265206d7563686f")
    32  }
    33  
    34  func TestUpdateLengthCheck(t *testing.T) {
    35  	testBinarySerializerLengthCheck(t, getTestFeedUpdate())
    36  	// Test fail if update is too big
    37  	update := getTestFeedUpdate()
    38  	update.data = make([]byte, MaxUpdateDataLength+100)
    39  	serialized := make([]byte, update.binaryLength())
    40  	if err := update.binaryPut(serialized); err == nil {
    41  		t.Fatal("Expected update.binaryPut to fail since update is too big")
    42  	}
    43  
    44  	// test fail if data is empty or nil
    45  	update.data = nil
    46  	serialized = make([]byte, update.binaryLength())
    47  	if err := update.binaryPut(serialized); err == nil {
    48  		t.Fatal("Expected update.binaryPut to fail since data is empty")
    49  	}
    50  }