github.com/m3db/m3@v1.5.0/src/m3ninx/index/batch_test.go (about)

     1  // Copyright (c) 2018 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 index
    22  
    23  import (
    24  	"errors"
    25  	"fmt"
    26  	"math/rand"
    27  	"os"
    28  	"testing"
    29  	"time"
    30  
    31  	"github.com/leanovate/gopter"
    32  	"github.com/leanovate/gopter/gen"
    33  	"github.com/leanovate/gopter/prop"
    34  	"github.com/stretchr/testify/require"
    35  )
    36  
    37  func TestBatchAllowPartialUpdates(t *testing.T) {
    38  	tests := []struct {
    39  		name     string
    40  		batch    Batch
    41  		expected bool
    42  	}{
    43  		{
    44  			name:     "off",
    45  			batch:    NewBatch(nil),
    46  			expected: false,
    47  		},
    48  		{
    49  			name:     "on",
    50  			batch:    NewBatch(nil, AllowPartialUpdates()),
    51  			expected: true,
    52  		},
    53  	}
    54  
    55  	for _, test := range tests {
    56  		t.Run(test.name, func(t *testing.T) {
    57  			require.Equal(t, test.expected, test.batch.AllowPartialUpdates)
    58  		})
    59  	}
    60  }
    61  
    62  func TestBatchPartialError(t *testing.T) {
    63  	var (
    64  		idxs = []int{3, 7, 13}
    65  		err  = NewBatchPartialError()
    66  	)
    67  	require.True(t, err.IsEmpty())
    68  
    69  	for _, idx := range idxs {
    70  		err.Add(BatchError{errors.New("error"), idx})
    71  	}
    72  	require.False(t, err.IsEmpty())
    73  
    74  	var actualIdxs []int
    75  	for _, err := range err.Errs() {
    76  		actualIdxs = append(actualIdxs, err.Idx)
    77  	}
    78  	require.Equal(t, idxs, actualIdxs)
    79  
    80  	require.True(t, IsBatchPartialError(err))
    81  	require.False(t, IsBatchPartialError(errors.New("error")))
    82  }
    83  
    84  func TestBatchPartialErrorDupeFilter(t *testing.T) {
    85  	var (
    86  		idxs = []int{3, 7, 13}
    87  		err  = NewBatchPartialError()
    88  	)
    89  	require.True(t, err.IsEmpty())
    90  
    91  	for _, idx := range idxs {
    92  		err.Add(BatchError{ErrDuplicateID, idx})
    93  	}
    94  	require.False(t, err.IsEmpty())
    95  
    96  	var actualIdxs []int
    97  	for _, err := range err.Errs() {
    98  		actualIdxs = append(actualIdxs, err.Idx)
    99  	}
   100  
   101  	filtered := err.FilterDuplicateIDErrors()
   102  	require.Nil(t, filtered)
   103  }
   104  
   105  func TestBatchPartialErrorDupeFilterIncludeOther(t *testing.T) {
   106  	testErr := fmt.Errorf("testerr")
   107  
   108  	err := NewBatchPartialError()
   109  	err.Add(BatchError{ErrDuplicateID, 0})
   110  	filtered := err.FilterDuplicateIDErrors()
   111  	require.Nil(t, filtered)
   112  
   113  	err.Add(BatchError{testErr, 1})
   114  	filtered = err.FilterDuplicateIDErrors()
   115  	require.NotNil(t, filtered)
   116  
   117  }
   118  
   119  func TestBatchPartialErrorDupeFilterSingleElement(t *testing.T) {
   120  	testErr := fmt.Errorf("testerr")
   121  
   122  	err := NewBatchPartialError()
   123  	err.Add(BatchError{testErr, 1})
   124  	original := err.FilterDuplicateIDErrors()
   125  	require.NotNil(t, original)
   126  
   127  	err.Add(BatchError{ErrDuplicateID, 0})
   128  	after := err.FilterDuplicateIDErrors()
   129  	require.Equal(t, original.Error(), after.Error())
   130  }
   131  
   132  func TestBatchPartialErrorFilterPropTest(t *testing.T) {
   133  	parameters := gopter.DefaultTestParameters()
   134  	seed := time.Now().UnixNano()
   135  	parameters.MinSuccessfulTests = 1000
   136  	parameters.MaxSize = 40
   137  	parameters.Rng = rand.New(rand.NewSource(seed))
   138  	parameters.Workers = 1
   139  	properties := gopter.NewProperties(parameters)
   140  
   141  	properties.Property("Filtering errors works", prop.ForAll(
   142  		func(errStrings []string) bool {
   143  			errs := make([]error, 0, len(errStrings))
   144  			for _, err := range errStrings {
   145  				errs = append(errs, errors.New(err))
   146  			}
   147  			numDupeErrors := 0
   148  			b := NewBatchPartialError()
   149  			for i := range errs {
   150  				if errs[i] == ErrDuplicateID {
   151  					numDupeErrors++
   152  				}
   153  				b.Add(BatchError{errs[i], i})
   154  			}
   155  			nb := b.FilterDuplicateIDErrors()
   156  			if nb == nil {
   157  				return numDupeErrors == len(errs)
   158  			}
   159  			nbb := nb.(*BatchPartialError)
   160  			return len(nbb.errs) == len(errs)-numDupeErrors
   161  		},
   162  		gen.SliceOf(genError()),
   163  	))
   164  
   165  	reporter := gopter.NewFormatedReporter(true, 160, os.Stdout)
   166  	if !properties.Run(reporter) {
   167  		t.Errorf("failed with initial seed: %d", seed)
   168  	}
   169  }
   170  
   171  func genError() gopter.Gen {
   172  	return gen.OneConstOf(ErrDocNotFound.Error(), ErrDuplicateID.Error())
   173  }