github.com/m3db/m3@v1.5.0/src/dbnode/client/fetch_state_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 client
    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 TestFetchStatePoolInvalidInteraction(t *testing.T) {
    32  	p := newFetchStatePool(pool.NewObjectPoolOptions().SetSize(1))
    33  	p.Init()
    34  	s := p.Get()
    35  
    36  	testPool := &testFetchStatePool{t, s, false}
    37  	s.pool = testPool
    38  
    39  	s.fetchTaggedOp = newFetchTaggedOp(nil)
    40  	s.incRef()
    41  	require.Panics(t, func() {
    42  		s.decRef()
    43  	})
    44  }
    45  
    46  func TestFetchStatePoolValidInteraction(t *testing.T) {
    47  	p := newFetchStatePool(pool.NewObjectPoolOptions().SetSize(1))
    48  	p.Init()
    49  	s := p.Get()
    50  
    51  	testPool := &testFetchStatePool{t, s, false}
    52  	s.pool = testPool
    53  
    54  	s.fetchTaggedOp = newFetchTaggedOp(nil)
    55  	s.fetchTaggedOp.incRef()
    56  	s.incRef()
    57  	s.decRef()
    58  	require.True(t, testPool.called)
    59  	require.Nil(t, s.fetchTaggedOp)
    60  }
    61  
    62  type testFetchStatePool struct {
    63  	t             *testing.T
    64  	expectedState *fetchState
    65  	called        bool
    66  }
    67  
    68  var _ fetchStatePool = &testFetchStatePool{}
    69  
    70  func (p *testFetchStatePool) Put(o *fetchState) {
    71  	require.False(p.t, p.called)
    72  	p.called = true
    73  	require.Equal(p.t, p.expectedState, o)
    74  }
    75  
    76  func (p *testFetchStatePool) Init()            { panic("not implemented") }
    77  func (p *testFetchStatePool) Get() *fetchState { panic("not implemented") }