github.com/m3db/m3@v1.5.0/src/query/storage/m3/consolidators/series_consolidator_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 consolidators
    22  
    23  import (
    24  	"math"
    25  	"testing"
    26  	"time"
    27  
    28  	"github.com/m3db/m3/src/dbnode/ts"
    29  	xtime "github.com/m3db/m3/src/x/time"
    30  
    31  	"github.com/stretchr/testify/assert"
    32  )
    33  
    34  func TestSingleConsolidator(t *testing.T) {
    35  	lookback := time.Minute
    36  	start := xtime.Now().Truncate(time.Hour)
    37  	fn := TakeLast
    38  
    39  	consolidator := NewSeriesLookbackConsolidator(
    40  		lookback,
    41  		lookback,
    42  		start,
    43  		fn,
    44  	)
    45  
    46  	// NB: lookback limit: start-1
    47  	actual := consolidator.ConsolidateAndMoveToNext()
    48  	assert.True(t, math.IsNaN(actual))
    49  
    50  	consolidator.AddPoint(ts.Datapoint{TimestampNanos: start, Value: 1})
    51  	// NB: lookback limit: start
    52  	actual = consolidator.ConsolidateAndMoveToNext()
    53  	assert.Equal(t, float64(1), actual)
    54  
    55  	// NB: lookback limit: start+1
    56  	actual = consolidator.ConsolidateAndMoveToNext()
    57  	assert.True(t, math.IsNaN(actual))
    58  
    59  	// NB: lookback limit: start+2
    60  	actual = consolidator.ConsolidateAndMoveToNext()
    61  	assert.True(t, math.IsNaN(actual))
    62  
    63  	consolidator.AddPoint(ts.Datapoint{TimestampNanos: start.Add(2*time.Minute + time.Second*30), Value: 2})
    64  	consolidator.AddPoint(ts.Datapoint{TimestampNanos: start.Add(3*time.Minute + time.Second), Value: 3})
    65  
    66  	// NB: lookback limit: start+3
    67  	actual = consolidator.ConsolidateAndMoveToNext()
    68  	assert.Equal(t, float64(3), actual)
    69  }