github.com/m3db/m3@v1.5.1-0.20231129193456-75a402aa583b/src/metrics/encoding/protobuf/aggregated_decoder_pool_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 protobuf
    22  
    23  import (
    24  	"testing"
    25  
    26  	"github.com/m3db/m3/src/x/pool"
    27  
    28  	"github.com/stretchr/testify/require"
    29  )
    30  
    31  func TestAggregatedDecoderPool(t *testing.T) {
    32  	opts := pool.NewObjectPoolOptions().SetSize(1)
    33  
    34  	pool := NewAggregatedDecoderPool(opts)
    35  	pool.Init()
    36  
    37  	// Getting a decoder from pool.
    38  	d := pool.Get()
    39  	require.Empty(t, d.pb.Metric.TimedMetric.Id)
    40  	require.Empty(t, cap(d.pb.Metric.TimedMetric.Id))
    41  	d.pb.Metric.TimedMetric.Id = []byte("foo")
    42  
    43  	// Close should reset the internal fields and put it back to pool.
    44  	d.Close()
    45  	require.Empty(t, len(d.pb.Metric.TimedMetric.Id))
    46  	require.NotEmpty(t, cap(d.pb.Metric.TimedMetric.Id))
    47  
    48  	// Get will return the previously used decoder.
    49  	newDecoder := pool.Get()
    50  	require.Empty(t, len(newDecoder.pb.Metric.TimedMetric.Id))
    51  	require.NotEmpty(t, cap(newDecoder.pb.Metric.TimedMetric.Id))
    52  }