github.com/leonlxy/hyperledger@v1.0.0-alpha.0.20170427033203-34922035d248/common/ledger/blkstorage/fsblkstorage/blocks_itr_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 fsblkstorage
    18  
    19  import (
    20  	"testing"
    21  	"time"
    22  
    23  	"github.com/hyperledger/fabric/common/ledger/testutil"
    24  	"github.com/hyperledger/fabric/protos/common"
    25  )
    26  
    27  func TestBlocksItrBlockingNext(t *testing.T) {
    28  	env := newTestEnv(t, NewConf(testPath(), 0))
    29  	defer env.Cleanup()
    30  	blkfileMgrWrapper := newTestBlockfileWrapper(env, "testLedger")
    31  	defer blkfileMgrWrapper.close()
    32  	blkfileMgr := blkfileMgrWrapper.blockfileMgr
    33  
    34  	blocks := testutil.ConstructTestBlocks(t, 10)
    35  	blkfileMgrWrapper.addBlocks(blocks[:5])
    36  
    37  	itr, err := blkfileMgr.retrieveBlocks(1)
    38  	defer itr.Close()
    39  	testutil.AssertNoError(t, err, "")
    40  	doneChan := make(chan bool)
    41  	go testIterateAndVerify(t, itr, blocks[1:], doneChan)
    42  	for {
    43  		if itr.blockNumToRetrieve == 5 {
    44  			break
    45  		}
    46  		time.Sleep(time.Millisecond * 10)
    47  	}
    48  	testAppendBlocks(blkfileMgrWrapper, blocks[5:7])
    49  	blkfileMgr.moveToNextFile()
    50  	time.Sleep(time.Millisecond * 10)
    51  	testAppendBlocks(blkfileMgrWrapper, blocks[7:])
    52  	<-doneChan
    53  }
    54  
    55  func testIterateAndVerify(t *testing.T, itr *blocksItr, blocks []*common.Block, doneChan chan bool) {
    56  	blocksIterated := 0
    57  	for {
    58  		logger.Infof("blocksIterated: %v", blocksIterated)
    59  		bh, err := itr.Next()
    60  		testutil.AssertNoError(t, err, "")
    61  		testutil.AssertEquals(t, bh.(*blockHolder).GetBlock(), blocks[blocksIterated])
    62  		blocksIterated++
    63  		if blocksIterated == len(blocks) {
    64  			break
    65  		}
    66  	}
    67  	doneChan <- true
    68  }
    69  
    70  func testAppendBlocks(blkfileMgrWrapper *testBlockfileMgrWrapper, blocks []*common.Block) {
    71  	blkfileMgrWrapper.addBlocks(blocks)
    72  }