github.com/m3db/m3@v1.5.0/src/dbnode/storage/database_bootstrapped_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  	"testing"
    25  	"time"
    26  
    27  	xtest "github.com/m3db/m3/src/x/test"
    28  	xtime "github.com/m3db/m3/src/x/time"
    29  	"github.com/stretchr/testify/assert"
    30  )
    31  
    32  func TestDatabaseIsBootstrappedAndDurable(t *testing.T) {
    33  	ctrl := xtest.NewController(t)
    34  	defer ctrl.Finish()
    35  
    36  	var (
    37  		validIsBootstrapped                  = true
    38  		validShardSetAssignedAt              = xtime.Now()
    39  		validLastBootstrapCompletionTime     = validShardSetAssignedAt.Add(time.Second)
    40  		validLastSuccessfulSnapshotStartTime = validLastBootstrapCompletionTime.Add(time.Second)
    41  		zeroTime                             xtime.UnixNano
    42  	)
    43  	testCases := []struct {
    44  		title                           string
    45  		isBootstrapped                  bool
    46  		lastBootstrapCompletionTime     xtime.UnixNano
    47  		lastSuccessfulSnapshotStartTime xtime.UnixNano
    48  		shardSetAssignedAt              xtime.UnixNano
    49  		expectedResult                  bool
    50  	}{
    51  		{
    52  			title:                           "False is not bootstrapped",
    53  			isBootstrapped:                  false,
    54  			lastBootstrapCompletionTime:     validLastBootstrapCompletionTime,
    55  			lastSuccessfulSnapshotStartTime: validLastSuccessfulSnapshotStartTime,
    56  			shardSetAssignedAt:              validShardSetAssignedAt,
    57  			expectedResult:                  false,
    58  		},
    59  		{
    60  			title:                           "False if no last bootstrap completion time",
    61  			isBootstrapped:                  validIsBootstrapped,
    62  			lastBootstrapCompletionTime:     zeroTime,
    63  			lastSuccessfulSnapshotStartTime: validLastSuccessfulSnapshotStartTime,
    64  			shardSetAssignedAt:              validShardSetAssignedAt,
    65  			expectedResult:                  false,
    66  		},
    67  		{
    68  			title:                           "False if no last successful snapshot start time",
    69  			isBootstrapped:                  validIsBootstrapped,
    70  			lastBootstrapCompletionTime:     validLastBootstrapCompletionTime,
    71  			lastSuccessfulSnapshotStartTime: zeroTime,
    72  			shardSetAssignedAt:              validShardSetAssignedAt,
    73  			expectedResult:                  false,
    74  		},
    75  		{
    76  			title:                           "False if last snapshot start is not after last bootstrap completion time",
    77  			isBootstrapped:                  validIsBootstrapped,
    78  			lastBootstrapCompletionTime:     validLastBootstrapCompletionTime,
    79  			lastSuccessfulSnapshotStartTime: validLastBootstrapCompletionTime,
    80  			shardSetAssignedAt:              validShardSetAssignedAt,
    81  			expectedResult:                  false,
    82  		},
    83  		{
    84  			title:                           "False if last bootstrap completion time is not after shardset assigned at time",
    85  			isBootstrapped:                  validIsBootstrapped,
    86  			lastBootstrapCompletionTime:     validLastBootstrapCompletionTime,
    87  			lastSuccessfulSnapshotStartTime: validLastBootstrapCompletionTime,
    88  			shardSetAssignedAt:              validLastBootstrapCompletionTime,
    89  			expectedResult:                  false,
    90  		},
    91  		{
    92  			title:                           "False if last bootstrap completion time is not after/equal shardset assigned at time",
    93  			isBootstrapped:                  validIsBootstrapped,
    94  			lastBootstrapCompletionTime:     validLastBootstrapCompletionTime,
    95  			lastSuccessfulSnapshotStartTime: validLastSuccessfulSnapshotStartTime,
    96  			shardSetAssignedAt:              validLastBootstrapCompletionTime + xtime.UnixNano(xtime.Second),
    97  			expectedResult:                  false,
    98  		},
    99  		{
   100  			title:                           "True if all conditions are met",
   101  			isBootstrapped:                  validIsBootstrapped,
   102  			lastBootstrapCompletionTime:     validLastBootstrapCompletionTime,
   103  			lastSuccessfulSnapshotStartTime: validLastSuccessfulSnapshotStartTime,
   104  			shardSetAssignedAt:              validShardSetAssignedAt,
   105  			expectedResult:                  true,
   106  		},
   107  	}
   108  
   109  	for _, tc := range testCases {
   110  		t.Run(tc.title, func(t *testing.T) {
   111  			d, mapCh, _ := defaultTestDatabase(t, ctrl, Bootstrapped)
   112  			defer func() {
   113  				close(mapCh)
   114  			}()
   115  
   116  			mediator := NewMockdatabaseMediator(ctrl)
   117  			d.mediator = mediator
   118  			d.lastReceivedNewShards = tc.shardSetAssignedAt.ToTime()
   119  
   120  			mediator.EXPECT().IsBootstrapped().Return(tc.isBootstrapped)
   121  			if !tc.isBootstrapped {
   122  				assert.Equal(t, tc.expectedResult, d.IsBootstrappedAndDurable())
   123  				// Early return because other mock calls will not get called.
   124  				return
   125  			}
   126  
   127  			if tc.lastBootstrapCompletionTime == 0 {
   128  				mediator.EXPECT().LastBootstrapCompletionTime().Return(zeroTime, false)
   129  				assert.Equal(t, tc.expectedResult, d.IsBootstrappedAndDurable())
   130  				// Early return because other mock calls will not get called.
   131  				return
   132  			}
   133  
   134  			mediator.EXPECT().LastBootstrapCompletionTime().Return(tc.lastBootstrapCompletionTime, true)
   135  
   136  			if tc.lastSuccessfulSnapshotStartTime == 0 {
   137  				mediator.EXPECT().LastSuccessfulSnapshotStartTime().Return(zeroTime, false)
   138  				assert.Equal(t, tc.expectedResult, d.IsBootstrappedAndDurable())
   139  				// Early return because other mock calls will not get called.
   140  				return
   141  			}
   142  
   143  			mediator.EXPECT().LastSuccessfulSnapshotStartTime().Return(tc.lastSuccessfulSnapshotStartTime, true)
   144  
   145  			assert.Equal(t, tc.expectedResult, d.IsBootstrappedAndDurable())
   146  		})
   147  	}
   148  }