github.com/m3db/m3@v1.5.0/src/dbnode/client/session_truncate_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 client
    22  
    23  import (
    24  	"math/rand"
    25  	"testing"
    26  
    27  	"github.com/m3db/m3/src/dbnode/generated/thrift/rpc"
    28  	"github.com/m3db/m3/src/x/ident"
    29  
    30  	"github.com/golang/mock/gomock"
    31  	"github.com/stretchr/testify/assert"
    32  	"github.com/stretchr/testify/require"
    33  )
    34  
    35  func TestTruncate(t *testing.T) {
    36  	ctrl := gomock.NewController(t)
    37  	defer ctrl.Finish()
    38  
    39  	opts := newSessionTestOptions()
    40  	s, err := newSession(opts)
    41  	assert.NoError(t, err)
    42  	session := s.(*session)
    43  
    44  	var expected int64
    45  	mockHostQueues(ctrl, session, sessionTestReplicas, []testEnqueueFn{
    46  		func(idx int, op op) {
    47  			truncate, ok := op.(*truncateOp)
    48  			assert.True(t, ok)
    49  			assert.Equal(t, []byte("metrics"), truncate.request.NameSpace)
    50  
    51  			n := rand.Int63n(128)
    52  			result := &rpc.TruncateResult_{NumSeries: n}
    53  			expected += n
    54  			truncate.completionFn(result, nil)
    55  		},
    56  	})
    57  
    58  	assert.NoError(t, session.Open())
    59  
    60  	n, err := s.Truncate(ident.StringID("metrics"))
    61  	require.NoError(t, err)
    62  	assert.Equal(t, expected, n)
    63  
    64  	assert.NoError(t, session.Close())
    65  }