github.com/m3db/m3@v1.5.0/src/dbnode/storage/lease_verifier_test.go (about)

     1  // Copyright (c) 2019 Uber Technologies, Inc.
     2  //
     3  // Permission is hereby granted, free of charge, to any person obtaining a copy
     4  // of this software and associated documentation files (the "Software"), to deal
     5  // in the Software without restriction, including without limitation the rights
     6  // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
     7  // copies of the Software, and to permit persons to whom the Software is
     8  // furnished to do so, subject to the following conditions:
     9  //
    10  // The above copyright notice and this permission notice shall be included in
    11  // all copies or substantial portions of the Software.
    12  //
    13  // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    14  // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    15  // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    16  // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    17  // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    18  // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
    19  // THE SOFTWARE.
    20  
    21  package storage
    22  
    23  import (
    24  	"errors"
    25  	"testing"
    26  	"time"
    27  
    28  	"github.com/stretchr/testify/require"
    29  
    30  	"github.com/m3db/m3/src/dbnode/storage/block"
    31  	"github.com/m3db/m3/src/x/ident"
    32  	xtest "github.com/m3db/m3/src/x/test"
    33  	xtime "github.com/m3db/m3/src/x/time"
    34  )
    35  
    36  var (
    37  	testBlockDescriptor = block.LeaseDescriptor{
    38  		Namespace:  ident.StringID("test-ns"),
    39  		Shard:      0,
    40  		BlockStart: xtime.Now().Truncate(2 * time.Hour),
    41  	}
    42  	testBlockLeaseState = block.LeaseState{Volume: 0}
    43  )
    44  
    45  func TestLeaseVerifierVerifyLeaseHandlesErrors(t *testing.T) {
    46  	ctrl := xtest.NewController(t)
    47  	defer ctrl.Finish()
    48  
    49  	var (
    50  		mockDB        = NewMockDatabase(ctrl)
    51  		leaseVerifier = NewLeaseVerifier(mockDB)
    52  	)
    53  	mockDB.EXPECT().FlushState(
    54  		testBlockDescriptor.Namespace,
    55  		uint32(testBlockDescriptor.Shard),
    56  		testBlockDescriptor.BlockStart,
    57  	).Return(fileOpState{}, errors.New("some-error"))
    58  
    59  	err := leaseVerifier.VerifyLease(testBlockDescriptor, testBlockLeaseState)
    60  	require.Error(t, err)
    61  }
    62  
    63  func TestLeaseVerifierVerifyLeaseReturnsErrorIfNotLatestVolume(t *testing.T) {
    64  	ctrl := xtest.NewController(t)
    65  	defer ctrl.Finish()
    66  
    67  	var (
    68  		mockDB        = NewMockDatabase(ctrl)
    69  		leaseVerifier = NewLeaseVerifier(mockDB)
    70  	)
    71  	mockDB.EXPECT().FlushState(
    72  		testBlockDescriptor.Namespace,
    73  		uint32(testBlockDescriptor.Shard),
    74  		testBlockDescriptor.BlockStart,
    75  	).Return(fileOpState{ColdVersionFlushed: testBlockLeaseState.Volume + 1}, nil)
    76  
    77  	err := leaseVerifier.VerifyLease(testBlockDescriptor, testBlockLeaseState)
    78  	require.Error(t, err)
    79  }
    80  
    81  func TestLeaseVerifierVerifyLeaseSuccessIfVolumeIsLatest(t *testing.T) {
    82  	ctrl := xtest.NewController(t)
    83  	defer ctrl.Finish()
    84  
    85  	var (
    86  		volumeNum     = 1
    87  		state         = block.LeaseState{Volume: volumeNum}
    88  		mockDB        = NewMockDatabase(ctrl)
    89  		leaseVerifier = NewLeaseVerifier(mockDB)
    90  	)
    91  	mockDB.EXPECT().FlushState(
    92  		testBlockDescriptor.Namespace,
    93  		uint32(testBlockDescriptor.Shard),
    94  		testBlockDescriptor.BlockStart,
    95  	).Return(fileOpState{ColdVersionFlushed: volumeNum}, nil)
    96  
    97  	require.NoError(t, leaseVerifier.VerifyLease(testBlockDescriptor, state))
    98  }
    99  
   100  func TestLeaseVerifierLatestStateHandlesErrors(t *testing.T) {
   101  	ctrl := xtest.NewController(t)
   102  	defer ctrl.Finish()
   103  
   104  	var (
   105  		mockDB        = NewMockDatabase(ctrl)
   106  		leaseVerifier = NewLeaseVerifier(mockDB)
   107  	)
   108  	mockDB.EXPECT().FlushState(
   109  		testBlockDescriptor.Namespace,
   110  		uint32(testBlockDescriptor.Shard),
   111  		testBlockDescriptor.BlockStart,
   112  	).Return(fileOpState{}, errors.New("some-error"))
   113  
   114  	_, err := leaseVerifier.LatestState(testBlockDescriptor)
   115  	require.Error(t, err)
   116  }
   117  
   118  func TestLeaseVerifierLatestStateSuccess(t *testing.T) {
   119  	ctrl := xtest.NewController(t)
   120  	defer ctrl.Finish()
   121  
   122  	var (
   123  		mockDB        = NewMockDatabase(ctrl)
   124  		leaseVerifier = NewLeaseVerifier(mockDB)
   125  	)
   126  	mockDB.EXPECT().FlushState(
   127  		testBlockDescriptor.Namespace,
   128  		uint32(testBlockDescriptor.Shard),
   129  		testBlockDescriptor.BlockStart,
   130  	).Return(fileOpState{ColdVersionFlushed: 1}, nil)
   131  
   132  	state, err := leaseVerifier.LatestState(testBlockDescriptor)
   133  	require.NoError(t, err)
   134  	require.Equal(t, block.LeaseState{Volume: 1}, state)
   135  }