github.com/m3db/m3@v1.5.0/src/query/graphite/common/context_test.go (about)

     1  // Copyright (c) 2019 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 common
    22  
    23  import (
    24  	"testing"
    25  	"time"
    26  
    27  	"github.com/stretchr/testify/assert"
    28  	"github.com/stretchr/testify/mock"
    29  )
    30  
    31  type closerFunc func() error
    32  
    33  func (f closerFunc) Close() error {
    34  	return f()
    35  }
    36  
    37  func TestChildContext(t *testing.T) {
    38  	var (
    39  		ctx      = NewTestContext()
    40  		childCtx = ctx.NewChildContext(NewChildContextOptions())
    41  		called   = false
    42  	)
    43  
    44  	ctx.RegisterCloser(closerFunc(func() error {
    45  		called = true
    46  		return nil
    47  	}))
    48  
    49  	childCtx.Close()
    50  	assert.False(t, called, "child context has closed the context root")
    51  
    52  	ctx.Close()
    53  	assert.True(t, called, "parent context hasn't closed the context root")
    54  }
    55  
    56  type mockClient struct {
    57  	mock.Mock
    58  }
    59  
    60  func (m *mockClient) foo() {
    61  	m.Called()
    62  }
    63  
    64  func (m *mockClient) Close() error {
    65  	m.foo()
    66  	return nil
    67  }
    68  
    69  func TestContextClose(t *testing.T) {
    70  	client := &mockClient{}
    71  	client.On("foo").Return()
    72  	engine := NewEngine(nil)
    73  	ctx := NewContext(ContextOptions{Start: time.Now(), End: time.Now(), Engine: engine})
    74  	ctx.RegisterCloser(client)
    75  	ctx.Close()
    76  	client.AssertCalled(t, "foo")
    77  }
    78  
    79  func TestChildContextClose(t *testing.T) {
    80  	client := &mockClient{}
    81  	client.On("foo").Return()
    82  	engine := NewEngine(nil)
    83  	ctx := NewContext(ContextOptions{Start: time.Now(), End: time.Now(), Engine: engine})
    84  	childContext := ctx.NewChildContext(NewChildContextOptions())
    85  	childContext.RegisterCloser(client)
    86  	childContext.Close()
    87  	client.AssertNotCalled(t, "foo")
    88  	ctx.Close()
    89  	client.AssertCalled(t, "foo")
    90  }