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

     1  // Copyright (c) 2016 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 block
    22  
    23  import (
    24  	"errors"
    25  	"sort"
    26  	"testing"
    27  	"time"
    28  
    29  	"github.com/m3db/m3/src/x/ident"
    30  	xtime "github.com/m3db/m3/src/x/time"
    31  
    32  	"github.com/stretchr/testify/assert"
    33  	"github.com/stretchr/testify/require"
    34  )
    35  
    36  func TestSortFetchBlockResultByTimeAscending(t *testing.T) {
    37  	now := xtime.Now()
    38  	input := []FetchBlockResult{
    39  		NewFetchBlockResult(now, nil, nil),
    40  		NewFetchBlockResult(now.Add(time.Second), nil, nil),
    41  		NewFetchBlockResult(now.Add(-time.Second), nil, nil),
    42  	}
    43  	expected := []FetchBlockResult{input[2], input[0], input[1]}
    44  	sort.Sort(fetchBlockResultByTimeAscending(input))
    45  	require.Equal(t, expected, input)
    46  }
    47  
    48  func TestSortFetchBlockMetadataResultByTimeAscending(t *testing.T) {
    49  	now := xtime.Now()
    50  	inputs := []FetchBlockMetadataResult{
    51  		NewFetchBlockMetadataResult(now, 0, nil, 0, nil),
    52  		NewFetchBlockMetadataResult(now.Add(time.Second), 0, nil, 0, nil),
    53  		NewFetchBlockMetadataResult(now.Add(-time.Second), 0, nil, 0, nil),
    54  	}
    55  	expected := []FetchBlockMetadataResult{inputs[2], inputs[0], inputs[1]}
    56  	res := newPooledFetchBlockMetadataResults(nil, nil)
    57  	for _, input := range inputs {
    58  		res.Add(input)
    59  	}
    60  	res.Sort()
    61  	require.Equal(t, expected, res.Results())
    62  }
    63  
    64  func TestFilteredBlocksMetadataIter(t *testing.T) {
    65  	now := xtime.Now()
    66  	sizes := []int64{1, 2, 3}
    67  	checksums := []uint32{6, 7, 8}
    68  	lastRead := now.Add(-100 * time.Millisecond)
    69  	inputs := []FetchBlocksMetadataResult{
    70  		NewFetchBlocksMetadataResult(ident.StringID("foo"),
    71  			ident.EmptyTagIterator, newPooledFetchBlockMetadataResults(
    72  				[]FetchBlockMetadataResult{
    73  					NewFetchBlockMetadataResult(now.Add(-time.Second), sizes[0], &checksums[0], lastRead, nil),
    74  				}, nil)),
    75  		NewFetchBlocksMetadataResult(ident.StringID("bar"),
    76  			ident.EmptyTagIterator, newPooledFetchBlockMetadataResults(
    77  				[]FetchBlockMetadataResult{
    78  					NewFetchBlockMetadataResult(now, sizes[1], &checksums[1], lastRead, nil),
    79  					NewFetchBlockMetadataResult(now.Add(time.Second), sizes[2], &checksums[2], lastRead, errors.New("foo")),
    80  					NewFetchBlockMetadataResult(now.Add(2*time.Second), 0, nil, lastRead, nil),
    81  				}, nil)),
    82  	}
    83  
    84  	res := newPooledFetchBlocksMetadataResults(nil, nil)
    85  	for _, input := range inputs {
    86  		res.Add(input)
    87  	}
    88  
    89  	iter := NewFilteredBlocksMetadataIter(res)
    90  
    91  	var actual []Metadata
    92  	for iter.Next() {
    93  		_, metadata := iter.Current()
    94  		actual = append(actual, metadata)
    95  	}
    96  	require.NoError(t, iter.Err())
    97  
    98  	expected := []Metadata{
    99  		NewMetadata(ident.StringID("foo"), ident.Tags{}, now.Add(-time.Second),
   100  			sizes[0], &checksums[0], lastRead),
   101  		NewMetadata(ident.StringID("bar"), ident.Tags{}, now,
   102  			sizes[1], &checksums[1], lastRead),
   103  		NewMetadata(ident.StringID("bar"), ident.Tags{}, now.Add(2*time.Second),
   104  			int64(0), nil, lastRead),
   105  	}
   106  
   107  	require.Equal(t, len(expected), len(actual))
   108  	for i := range expected {
   109  		assert.True(t, expected[i].ID.Equal(actual[i].ID))
   110  		assert.True(t, expected[i].Start.Equal(actual[i].Start))
   111  		assert.Equal(t, expected[i].Size, actual[i].Size)
   112  		assert.Equal(t, expected[i].Checksum, actual[i].Checksum)
   113  		assert.Equal(t, expected[i].LastRead, actual[i].LastRead)
   114  	}
   115  
   116  	for _, fetchMetadataResult := range res.Results() {
   117  		// Ensure that the consumed (and closed) tags are marked as nil so subsequent code paths
   118  		// can't trigger a double close.
   119  		require.Nil(t, fetchMetadataResult.Tags)
   120  	}
   121  }