github.com/myafeier/fabric@v1.0.1-0.20170722181825-3a4b1f2bce86/orderer/common/bootstrap/file/bootstrap_test.go (about)

     1  /*
     2  Copyright IBM Corp. 2016 All Rights Reserved.
     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 file
    18  
    19  import (
    20  	"bytes"
    21  	"os"
    22  	"testing"
    23  
    24  	"github.com/golang/protobuf/proto"
    25  	cb "github.com/hyperledger/fabric/protos/common"
    26  )
    27  
    28  const file = "./abc"
    29  
    30  func TestNoFile(t *testing.T) {
    31  	defer func() {
    32  		if r := recover(); r == nil {
    33  			t.Errorf("TestNoFile should have panicked")
    34  		}
    35  	}()
    36  
    37  	helper := New(file)
    38  	_ = helper.GenesisBlock()
    39  
    40  } // TestNoFile
    41  
    42  func TestBadBlock(t *testing.T) {
    43  	defer func() {
    44  		if r := recover(); r == nil {
    45  			t.Errorf("TestBadBlock should have panicked")
    46  		}
    47  	}()
    48  
    49  	testFile, _ := os.Create(file)
    50  	defer os.Remove(file)
    51  	testFile.Write([]byte("abc"))
    52  	testFile.Close()
    53  	helper := New(file)
    54  	_ = helper.GenesisBlock()
    55  } // TestBadBlock
    56  
    57  func TestGenesisBlock(t *testing.T) {
    58  	defer func() {
    59  		if r := recover(); r != nil {
    60  			t.Errorf("TestGenesisBlock: unexpected panic")
    61  		}
    62  	}()
    63  
    64  	header := &cb.BlockHeader{
    65  		Number:       0,
    66  		PreviousHash: nil,
    67  		DataHash:     []byte("abc"),
    68  	}
    69  	data := &cb.BlockData{
    70  		Data: [][]byte{[]byte("abc")},
    71  	}
    72  	metadata := &cb.BlockMetadata{
    73  		Metadata: [][]byte{[]byte("abc")},
    74  	}
    75  	block := &cb.Block{
    76  		Header:   header,
    77  		Data:     data,
    78  		Metadata: metadata,
    79  	}
    80  	marshalledBlock, _ := proto.Marshal(block)
    81  
    82  	testFile, _ := os.Create(file)
    83  	defer os.Remove(file)
    84  	testFile.Write(marshalledBlock)
    85  	testFile.Close()
    86  
    87  	helper := New(file)
    88  	outBlock := helper.GenesisBlock()
    89  
    90  	outHeader := outBlock.Header
    91  	if outHeader.Number != 0 || outHeader.PreviousHash != nil || !bytes.Equal(outHeader.DataHash, []byte("abc")) {
    92  		t.Errorf("block header not read correctly. Got %+v\n . Should have been %+v\n", outHeader, header)
    93  	}
    94  	outData := outBlock.Data
    95  	if len(outData.Data) != 1 && !bytes.Equal(outData.Data[0], []byte("abc")) {
    96  		t.Errorf("block data not read correctly. Got %+v\n . Should have been %+v\n", outData, data)
    97  	}
    98  	outMeta := outBlock.Metadata
    99  	if len(outMeta.Metadata) != 1 && !bytes.Equal(outMeta.Metadata[0], []byte("abc")) {
   100  		t.Errorf("Metadata data not read correctly. Got %+v\n . Should have been %+v\n", outMeta, metadata)
   101  	}
   102  } // TestGenesisBlock