github.com/yrj2011/jx-test-infra@v0.0.0-20190529031832-7a2065ee98eb/prow/pod-utils/gcs/upload_test.go (about)

     1  /*
     2  Copyright 2017 The Kubernetes Authors.
     3  
     4  Licensed under the Apache License, Version 2.0 (the "License");
     5  you may not use this file except in compliance with the License.
     6  You may obtain a copy of the License at
     7  
     8      http://www.apache.org/licenses/LICENSE-2.0
     9  
    10  Unless required by applicable law or agreed to in writing, software
    11  distributed under the License is distributed on an "AS IS" BASIS,
    12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  See the License for the specific language governing permissions and
    14  limitations under the License.
    15  */
    16  
    17  package gcs
    18  
    19  import (
    20  	"errors"
    21  	"fmt"
    22  	"sync"
    23  	"testing"
    24  
    25  	"cloud.google.com/go/storage"
    26  )
    27  
    28  func TestUploadToGcs(t *testing.T) {
    29  	var testCases = []struct {
    30  		name           string
    31  		passingTargets int
    32  		failingTargets int
    33  		expectedErr    bool
    34  	}{
    35  		{
    36  			name:           "all passing",
    37  			passingTargets: 10,
    38  			failingTargets: 0,
    39  			expectedErr:    false,
    40  		},
    41  		{
    42  			name:           "all but one passing",
    43  			passingTargets: 10,
    44  			failingTargets: 1,
    45  			expectedErr:    true,
    46  		},
    47  		{
    48  			name:           "all but one failing",
    49  			passingTargets: 1,
    50  			failingTargets: 10,
    51  			expectedErr:    true,
    52  		},
    53  		{
    54  			name:           "all failing",
    55  			passingTargets: 0,
    56  			failingTargets: 10,
    57  			expectedErr:    true,
    58  		},
    59  	}
    60  
    61  	for _, testCase := range testCases {
    62  		lock := sync.Mutex{}
    63  		count := 0
    64  
    65  		update := func() {
    66  			lock.Lock()
    67  			defer lock.Unlock()
    68  			count = count + 1
    69  		}
    70  
    71  		fail := func(obj *storage.ObjectHandle) error {
    72  			update()
    73  			return errors.New("fail")
    74  		}
    75  
    76  		success := func(obj *storage.ObjectHandle) error {
    77  			update()
    78  			return nil
    79  		}
    80  
    81  		targets := map[string]UploadFunc{}
    82  		for i := 0; i < testCase.passingTargets; i++ {
    83  			targets[fmt.Sprintf("pass-%d", i)] = success
    84  		}
    85  
    86  		for i := 0; i < testCase.failingTargets; i++ {
    87  			targets[fmt.Sprintf("fail-%d", i)] = fail
    88  		}
    89  
    90  		err := Upload(&storage.BucketHandle{}, targets)
    91  		if err != nil && !testCase.expectedErr {
    92  			t.Errorf("%s: expected no error but got %v", testCase.name, err)
    93  		}
    94  		if err == nil && testCase.expectedErr {
    95  			t.Errorf("%s: expected an error but got none", testCase.name)
    96  		}
    97  
    98  		if count != (testCase.passingTargets + testCase.failingTargets) {
    99  			t.Errorf("%s: had %d passing and %d failing targets but only ran %d targets, not %d", testCase.name, testCase.passingTargets, testCase.failingTargets, count, testCase.passingTargets+testCase.failingTargets)
   100  		}
   101  	}
   102  }