github.com/sacloud/iaas-api-go@v1.12.0/helper/query/referenced_test.go (about)

     1  // Copyright 2016-2022 The sacloud/iaas-api-go Authors
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //      http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package query
    16  
    17  import (
    18  	"context"
    19  	"sync"
    20  	"testing"
    21  	"time"
    22  
    23  	"github.com/sacloud/iaas-api-go"
    24  	"github.com/sacloud/iaas-api-go/testutil"
    25  	"github.com/sacloud/iaas-api-go/types"
    26  	"github.com/stretchr/testify/require"
    27  )
    28  
    29  func TestCheckReferenced_withTimeout(t *testing.T) {
    30  	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Millisecond)
    31  	defer cancel()
    32  
    33  	caller := testutil.SingletonAPICaller()
    34  	var f referenceFindFunc = func(ctx context.Context, caller iaas.APICaller, zone string, id types.ID) (bool, error) {
    35  		time.Sleep(10 * time.Millisecond)
    36  		return false, ctx.Err()
    37  	}
    38  
    39  	_, err := checkReferenced(ctx, caller, []string{"tk1v"}, types.ID(0), []referenceFindFunc{f, f})
    40  	require.Error(t, err)
    41  	require.EqualValues(t, "context deadline exceeded", err.Error())
    42  }
    43  
    44  func TestCheckReferenced_withMultipleZone(t *testing.T) {
    45  	ctx := context.Background()
    46  	caller := testutil.SingletonAPICaller()
    47  	var mu sync.Mutex
    48  	called := 0
    49  
    50  	f := func(ctx context.Context, caller iaas.APICaller, zone string, id types.ID) (bool, error) {
    51  		mu.Lock()
    52  		defer mu.Unlock()
    53  		called++
    54  		return false, nil
    55  	}
    56  
    57  	zones := []string{"1", "2", "3"}
    58  	funcs := []referenceFindFunc{f, f, f}
    59  	result, err := checkReferenced(ctx, caller, zones, types.ID(0), funcs)
    60  	require.Equal(t, len(zones)*len(funcs), called)
    61  	require.Equal(t, result, false)
    62  	require.NoError(t, err)
    63  }
    64  
    65  func TestCheckReferenced_shortCircuit(t *testing.T) {
    66  	ctx := context.Background()
    67  	caller := testutil.SingletonAPICaller()
    68  	var mu sync.Mutex
    69  	called := 0
    70  
    71  	f := func(ctx context.Context, caller iaas.APICaller, zone string, id types.ID) (bool, error) {
    72  		mu.Lock()
    73  		defer mu.Unlock()
    74  		called++
    75  		if called == 2 {
    76  			return true, nil
    77  		}
    78  		return false, nil
    79  	}
    80  
    81  	zones := []string{"1", "2", "3"}
    82  	funcs := []referenceFindFunc{f, f, f}
    83  	result, err := checkReferenced(ctx, caller, zones, types.ID(0), funcs)
    84  
    85  	require.Equal(t, 2, called)
    86  	require.Equal(t, result, true)
    87  	require.NoError(t, err)
    88  }