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minio/cmd/object-api-listobjects_test.go

626 lines
23 KiB

/*
* Minio Cloud Storage, (C) 2015-2016 Minio, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package cmd
import (
"bytes"
"fmt"
"io/ioutil"
"strconv"
"strings"
"testing"
)
// Wrapper for calling ListObjects tests for both XL multiple disks and single node setup.
func TestListObjects(t *testing.T) {
ExecObjectLayerTest(t, testListObjects)
}
// Unit test for ListObjects in general.
func testListObjects(obj ObjectLayer, instanceType string, t TestErrHandler) {
testBuckets := []string{
// This bucket is used for testing ListObject operations.
"test-bucket-list-object",
// Will not store any objects in this bucket,
// Its to test ListObjects on an empty bucket.
"empty-bucket",
}
for _, bucket := range testBuckets {
err := obj.MakeBucket(bucket)
if err != nil {
t.Fatalf("%s : %s", instanceType, err.Error())
}
}
var err error
testObjects := []struct {
name string
content string
meta map[string]string
}{
{"Asia-maps.png", "asis-maps", map[string]string{"content-type": "image/png"}},
{"Asia/India/India-summer-photos-1", "contentstring", nil},
{"Asia/India/Karnataka/Bangalore/Koramangala/pics", "contentstring", nil},
{"newPrefix0", "newPrefix0", nil},
{"newPrefix1", "newPrefix1", nil},
{"newzen/zen/recurse/again/again/again/pics", "recurse", nil},
{"obj0", "obj0", nil},
{"obj1", "obj1", nil},
{"obj2", "obj2", nil},
}
sha256sum := ""
for _, object := range testObjects {
_, err = obj.PutObject(testBuckets[0], object.name, int64(len(object.content)), bytes.NewBufferString(object.content), object.meta, sha256sum)
if err != nil {
t.Fatalf("%s : %s", instanceType, err.Error())
}
}
// Formualting the result data set to be expected from ListObjects call inside the tests,
// This will be used in testCases and used for asserting the correctness of ListObjects output in the tests.
resultCases := []ListObjectsInfo{
// ListObjectsResult-0.
// Testing for listing all objects in the bucket, (testCase 20,21,22).
{
IsTruncated: false,
Objects: []ObjectInfo{
{Name: "Asia-maps.png", ContentType: "image/png"},
{Name: "Asia/India/India-summer-photos-1"},
{Name: "Asia/India/Karnataka/Bangalore/Koramangala/pics"},
{Name: "newPrefix0"},
{Name: "newPrefix1"},
{Name: "newzen/zen/recurse/again/again/again/pics"},
{Name: "obj0"},
{Name: "obj1"},
{Name: "obj2"},
},
},
// ListObjectsResult-1.
// Used for asserting the truncated case, (testCase 23).
{
IsTruncated: true,
Objects: []ObjectInfo{
{Name: "Asia-maps.png", ContentType: "image/png"},
{Name: "Asia/India/India-summer-photos-1"},
{Name: "Asia/India/Karnataka/Bangalore/Koramangala/pics"},
{Name: "newPrefix0"},
{Name: "newPrefix1"},
},
},
// ListObjectsResult-2.
// (TestCase 24).
{
IsTruncated: true,
Objects: []ObjectInfo{
{Name: "Asia-maps.png", ContentType: "image/png"},
{Name: "Asia/India/India-summer-photos-1"},
{Name: "Asia/India/Karnataka/Bangalore/Koramangala/pics"},
{Name: "newPrefix0"},
},
},
// ListObjectsResult-3.
// (TestCase 25).
{
IsTruncated: true,
Objects: []ObjectInfo{
{Name: "Asia-maps.png", ContentType: "image/png"},
{Name: "Asia/India/India-summer-photos-1"},
{Name: "Asia/India/Karnataka/Bangalore/Koramangala/pics"},
},
},
// ListObjectsResult-4.
// Again used for truncated case.
// (TestCase 26).
{
IsTruncated: true,
Objects: []ObjectInfo{
{Name: "Asia-maps.png", ContentType: "image/png"},
},
},
// ListObjectsResult-5.
// Used for Asserting prefixes.
// Used for test case with prefix "new", (testCase 27-29).
{
IsTruncated: false,
Objects: []ObjectInfo{
{Name: "newPrefix0"},
{Name: "newPrefix1"},
{Name: "newzen/zen/recurse/again/again/again/pics"},
},
},
// ListObjectsResult-6.
// Used for Asserting prefixes.
// Used for test case with prefix = "obj", (testCase 30).
{
IsTruncated: false,
Objects: []ObjectInfo{
{Name: "obj0"},
{Name: "obj1"},
{Name: "obj2"},
},
},
// ListObjectsResult-7.
// Used for Asserting prefixes and truncation.
// Used for test case with prefix = "new" and maxKeys = 1, (testCase 31).
{
IsTruncated: true,
Objects: []ObjectInfo{
{Name: "newPrefix0"},
},
},
// ListObjectsResult-8.
// Used for Asserting prefixes.
// Used for test case with prefix = "obj" and maxKeys = 2, (testCase 32).
{
IsTruncated: true,
Objects: []ObjectInfo{
{Name: "obj0"},
{Name: "obj1"},
},
},
// ListObjectsResult-9.
// Used for asserting the case with marker, but without prefix.
//marker is set to "newPrefix0" in the testCase, (testCase 33).
{
IsTruncated: false,
Objects: []ObjectInfo{
{Name: "newPrefix1"},
{Name: "newzen/zen/recurse/again/again/again/pics"},
{Name: "obj0"},
{Name: "obj1"},
{Name: "obj2"},
},
},
// ListObjectsResult-10.
//marker is set to "newPrefix1" in the testCase, (testCase 34).
{
IsTruncated: false,
Objects: []ObjectInfo{
{Name: "newzen/zen/recurse/again/again/again/pics"},
{Name: "obj0"},
{Name: "obj1"},
{Name: "obj2"},
},
},
// ListObjectsResult-11.
//marker is set to "obj0" in the testCase, (testCase 35).
{
IsTruncated: false,
Objects: []ObjectInfo{
{Name: "obj1"},
{Name: "obj2"},
},
},
// ListObjectsResult-12.
// Marker is set to "obj1" in the testCase, (testCase 36).
{
IsTruncated: false,
Objects: []ObjectInfo{
{Name: "obj2"},
},
},
// ListObjectsResult-13.
// Marker is set to "man" in the testCase, (testCase37).
{
IsTruncated: false,
Objects: []ObjectInfo{
{Name: "newPrefix0"},
{Name: "newPrefix1"},
{Name: "newzen/zen/recurse/again/again/again/pics"},
{Name: "obj0"},
{Name: "obj1"},
{Name: "obj2"},
},
},
// ListObjectsResult-14.
// Marker is set to "Abc" in the testCase, (testCase 39).
{
IsTruncated: false,
Objects: []ObjectInfo{
{Name: "Asia-maps.png", ContentType: "image/png"},
{Name: "Asia/India/India-summer-photos-1"},
{Name: "Asia/India/Karnataka/Bangalore/Koramangala/pics"},
{Name: "newPrefix0"},
{Name: "newPrefix1"},
{Name: "newzen/zen/recurse/again/again/again/pics"},
{Name: "obj0"},
{Name: "obj1"},
{Name: "obj2"},
},
},
// ListObjectsResult-15.
// Marker is set to "Asia/India/India-summer-photos-1" in the testCase, (testCase 40).
{
IsTruncated: false,
Objects: []ObjectInfo{
{Name: "Asia/India/Karnataka/Bangalore/Koramangala/pics"},
{Name: "newPrefix0"},
{Name: "newPrefix1"},
{Name: "newzen/zen/recurse/again/again/again/pics"},
{Name: "obj0"},
{Name: "obj1"},
{Name: "obj2"},
},
},
// ListObjectsResult-16.
// Marker is set to "Asia/India/Karnataka/Bangalore/Koramangala/pics" in the testCase, (testCase 41).
{
IsTruncated: false,
Objects: []ObjectInfo{
{Name: "newPrefix0"},
{Name: "newPrefix1"},
{Name: "newzen/zen/recurse/again/again/again/pics"},
{Name: "obj0"},
{Name: "obj1"},
{Name: "obj2"},
},
},
// ListObjectsResult-17.
// Used for asserting the case with marker, without prefix but with truncation.
// Marker = "newPrefix0" & maxKeys = 3 in the testCase, (testCase42).
// Output truncated to 3 values.
{
IsTruncated: true,
Objects: []ObjectInfo{
{Name: "newPrefix1"},
{Name: "newzen/zen/recurse/again/again/again/pics"},
{Name: "obj0"},
},
},
// ListObjectsResult-18.
// Marker = "newPrefix1" & maxkeys = 1 in the testCase, (testCase43).
// Output truncated to 1 value.
{
IsTruncated: true,
Objects: []ObjectInfo{
{Name: "newzen/zen/recurse/again/again/again/pics"},
},
},
// ListObjectsResult-19.
// Marker = "obj0" & maxKeys = 1 in the testCase, (testCase44).
// Output truncated to 1 value.
{
IsTruncated: true,
Objects: []ObjectInfo{
{Name: "obj1"},
},
},
// ListObjectsResult-20.
// Marker = "obj0" & prefix = "obj" in the testCase, (testCase 45).
{
IsTruncated: false,
Objects: []ObjectInfo{
{Name: "obj1"},
{Name: "obj2"},
},
},
// ListObjectsResult-21.
// Marker = "obj1" & prefix = "obj" in the testCase, (testCase 46).
{
IsTruncated: false,
Objects: []ObjectInfo{
{Name: "obj2"},
},
},
// ListObjectsResult-22.
// Marker = "newPrefix0" & prefix = "new" in the testCase,, (testCase 47).
{
IsTruncated: false,
Objects: []ObjectInfo{
{Name: "newPrefix1"},
{Name: "newzen/zen/recurse/again/again/again/pics"},
},
},
// ListObjectsResult-23.
// Prefix is set to "Asia/India/" in the testCase, and delimiter is not set (testCase 55).
{
IsTruncated: false,
Objects: []ObjectInfo{
{Name: "Asia/India/India-summer-photos-1"},
{Name: "Asia/India/Karnataka/Bangalore/Koramangala/pics"},
},
},
// ListObjectsResult-24.
// Prefix is set to "Asia" in the testCase, and delimiter is not set (testCase 56).
{
IsTruncated: false,
Objects: []ObjectInfo{
{Name: "Asia-maps.png", ContentType: "image/png"},
{Name: "Asia/India/India-summer-photos-1"},
{Name: "Asia/India/Karnataka/Bangalore/Koramangala/pics"},
},
},
// ListObjectsResult-25.
// Prefix is set to "Asia" in the testCase, and delimiter is set (testCase 57).
{
IsTruncated: false,
Objects: []ObjectInfo{
{Name: "Asia-maps.png", ContentType: "image/png"},
},
},
// ListObjectsResult-26.
// prefix = "new" and delimiter is set in the testCase.(testCase 58).
{
IsTruncated: false,
Objects: []ObjectInfo{
{Name: "newPrefix0"},
{Name: "newPrefix1"},
},
},
// ListObjectsResult-27.
// Prefix is set to "Asia/India/" in the testCase, and delimiter is set to forward slash '/' (testCase 59).
{
IsTruncated: false,
Objects: []ObjectInfo{
{Name: "Asia/India/India-summer-photos-1"},
},
},
// ListObjectsResult-28.
// Marker is set to "Asia/India/India-summer-photos-1" and delimiter set in the testCase, (testCase 60).
{
IsTruncated: false,
Objects: []ObjectInfo{
{Name: "newPrefix0"},
{Name: "newPrefix1"},
{Name: "obj0"},
{Name: "obj1"},
{Name: "obj2"},
},
},
// ListObjectsResult-29.
// Marker is set to "Asia/India/Karnataka/Bangalore/Koramangala/pics" in the testCase and delimeter set, (testCase 61).
{
IsTruncated: false,
Objects: []ObjectInfo{
{Name: "newPrefix0"},
{Name: "newPrefix1"},
{Name: "obj0"},
{Name: "obj1"},
{Name: "obj2"},
},
},
// ListObjectsResult-30.
// Prefix and Delimiter is set to '/', (testCase 62).
{
IsTruncated: false,
Objects: []ObjectInfo{},
},
}
testCases := []struct {
// Inputs to ListObjects.
bucketName string
prefix string
marker string
delimeter string
maxKeys int
// Expected output of ListObjects.
result ListObjectsInfo
err error
// Flag indicating whether the test is expected to pass or not.
shouldPass bool
}{
// Test cases with invalid bucket names ( Test number 1-4 ).
{".test", "", "", "", 0, ListObjectsInfo{}, BucketNameInvalid{Bucket: ".test"}, false},
{"Test", "", "", "", 0, ListObjectsInfo{}, BucketNameInvalid{Bucket: "Test"}, false},
{"---", "", "", "", 0, ListObjectsInfo{}, BucketNameInvalid{Bucket: "---"}, false},
{"ad", "", "", "", 0, ListObjectsInfo{}, BucketNameInvalid{Bucket: "ad"}, false},
// Using an existing file for bucket name, but its not a directory (5).
{"simple-file.txt", "", "", "", 0, ListObjectsInfo{}, BucketNotFound{Bucket: "simple-file.txt"}, false},
// Valid bucket names, but they donot exist (6-8).
{"volatile-bucket-1", "", "", "", 0, ListObjectsInfo{}, BucketNotFound{Bucket: "volatile-bucket-1"}, false},
{"volatile-bucket-2", "", "", "", 0, ListObjectsInfo{}, BucketNotFound{Bucket: "volatile-bucket-2"}, false},
{"volatile-bucket-3", "", "", "", 0, ListObjectsInfo{}, BucketNotFound{Bucket: "volatile-bucket-3"}, false},
// Valid, existing bucket, but sending invalid delimeter values (9-10).
// Empty string < "" > and forward slash < / > are the ony two valid arguments for delimeter.
{"test-bucket-list-object", "", "", "*", 0, ListObjectsInfo{}, fmt.Errorf("delimiter '%s' is not supported", "*"), false},
{"test-bucket-list-object", "", "", "-", 0, ListObjectsInfo{}, fmt.Errorf("delimiter '%s' is not supported", "-"), false},
// Testing for failure cases with both perfix and marker (11).
// The prefix and marker combination to be valid it should satisy strings.HasPrefix(marker, prefix).
{"test-bucket-list-object", "asia", "europe-object", "", 0, ListObjectsInfo{}, fmt.Errorf("Invalid combination of marker '%s' and prefix '%s'", "europe-object", "asia"), false},
// Setting a non-existing directory to be prefix (12-13).
{"empty-bucket", "europe/france/", "", "", 1, ListObjectsInfo{}, nil, true},
{"empty-bucket", "africa/tunisia/", "", "", 1, ListObjectsInfo{}, nil, true},
// Testing on empty bucket, that is, bucket without any objects in it (14).
{"empty-bucket", "", "", "", 0, ListObjectsInfo{}, nil, true},
// Setting maxKeys to negative value (15-16).
{"empty-bucket", "", "", "", -1, ListObjectsInfo{}, nil, true},
{"empty-bucket", "", "", "", 1, ListObjectsInfo{}, nil, true},
// Setting maxKeys to a very large value (17).
{"empty-bucket", "", "", "", 1111000000000000, ListObjectsInfo{}, nil, true},
// Testing for all 7 objects in the bucket (18).
{"test-bucket-list-object", "", "", "", 9, resultCases[0], nil, true},
//Testing for negative value of maxKey, this should set maxKeys to listObjectsLimit (19).
{"test-bucket-list-object", "", "", "", -1, resultCases[0], nil, true},
// Testing for very large value of maxKey, this should set maxKeys to listObjectsLimit (20).
{"test-bucket-list-object", "", "", "", 1234567891011, resultCases[0], nil, true},
// Testing for trancated value (21-24).
{"test-bucket-list-object", "", "", "", 5, resultCases[1], nil, true},
{"test-bucket-list-object", "", "", "", 4, resultCases[2], nil, true},
{"test-bucket-list-object", "", "", "", 3, resultCases[3], nil, true},
{"test-bucket-list-object", "", "", "", 1, resultCases[4], nil, true},
// Testing with prefix (25-28).
{"test-bucket-list-object", "new", "", "", 3, resultCases[5], nil, true},
{"test-bucket-list-object", "new", "", "", 4, resultCases[5], nil, true},
{"test-bucket-list-object", "new", "", "", 5, resultCases[5], nil, true},
{"test-bucket-list-object", "obj", "", "", 3, resultCases[6], nil, true},
// Testing with prefix and truncation (29-30).
{"test-bucket-list-object", "new", "", "", 1, resultCases[7], nil, true},
{"test-bucket-list-object", "obj", "", "", 2, resultCases[8], nil, true},
// Testing with marker, but without prefix and truncation (31-35).
{"test-bucket-list-object", "", "newPrefix0", "", 5, resultCases[9], nil, true},
{"test-bucket-list-object", "", "newPrefix1", "", 4, resultCases[10], nil, true},
{"test-bucket-list-object", "", "obj0", "", 2, resultCases[11], nil, true},
{"test-bucket-list-object", "", "obj1", "", 1, resultCases[12], nil, true},
{"test-bucket-list-object", "", "man", "", 10, resultCases[13], nil, true},
// Marker being set to a value which is greater than and all object names when sorted (36).
// Expected to send an empty response in this case.
{"test-bucket-list-object", "", "zen", "", 10, ListObjectsInfo{}, nil, true},
// Marker being set to a value which is lesser than and all object names when sorted (37).
// Expected to send all the objects in the bucket in this case.
{"test-bucket-list-object", "", "Abc", "", 10, resultCases[14], nil, true},
// Marker is to a hierarhical value (38-39).
{"test-bucket-list-object", "", "Asia/India/India-summer-photos-1", "", 10, resultCases[15], nil, true},
{"test-bucket-list-object", "", "Asia/India/Karnataka/Bangalore/Koramangala/pics", "", 10, resultCases[16], nil, true},
// Testing with marker and truncation, but no prefix (40-42).
{"test-bucket-list-object", "", "newPrefix0", "", 3, resultCases[17], nil, true},
{"test-bucket-list-object", "", "newPrefix1", "", 1, resultCases[18], nil, true},
{"test-bucket-list-object", "", "obj0", "", 1, resultCases[19], nil, true},
// Testing with both marker and prefix, but without truncation (43-45).
// The valid combination of marker and prefix should satisfy strings.HasPrefix(marker, prefix).
{"test-bucket-list-object", "obj", "obj0", "", 2, resultCases[20], nil, true},
{"test-bucket-list-object", "obj", "obj1", "", 1, resultCases[21], nil, true},
{"test-bucket-list-object", "new", "newPrefix0", "", 2, resultCases[22], nil, true},
// Testing with maxKeys set to 0 (46-52).
// The parameters have to valid.
{"test-bucket-list-object", "", "obj1", "", 0, ListObjectsInfo{}, nil, true},
{"test-bucket-list-object", "", "obj0", "", 0, ListObjectsInfo{}, nil, true},
{"test-bucket-list-object", "new", "", "", 0, ListObjectsInfo{}, nil, true},
{"test-bucket-list-object", "obj", "", "", 0, ListObjectsInfo{}, nil, true},
{"test-bucket-list-object", "obj", "obj0", "", 0, ListObjectsInfo{}, nil, true},
{"test-bucket-list-object", "obj", "obj1", "", 0, ListObjectsInfo{}, nil, true},
{"test-bucket-list-object", "new", "newPrefix0", "", 0, ListObjectsInfo{}, nil, true},
// Tests on hierarchical key names as prefix.
// Without delimteter the code should recurse into the prefix Dir.
// Tests with prefix, but without delimiter (53-54).
{"test-bucket-list-object", "Asia/India/", "", "", 10, resultCases[23], nil, true},
{"test-bucket-list-object", "Asia", "", "", 10, resultCases[24], nil, true},
// Tests with prefix and delimiter (55-57).
// With delimeter the code should not recurse into the sub-directories of prefix Dir.
{"test-bucket-list-object", "Asia", "", "/", 10, resultCases[25], nil, true},
{"test-bucket-list-object", "new", "", "/", 10, resultCases[26], nil, true},
{"test-bucket-list-object", "Asia/India/", "", "/", 10, resultCases[27], nil, true},
// Test with marker set as hierarhical value and with delimiter. (58-59)
{"test-bucket-list-object", "", "Asia/India/India-summer-photos-1", "/", 10, resultCases[28], nil, true},
{"test-bucket-list-object", "", "Asia/India/Karnataka/Bangalore/Koramangala/pics", "/", 10, resultCases[29], nil, true},
// Test with prefix and delimiter set to '/'. (60)
{"test-bucket-list-object", "/", "", "/", 10, resultCases[30], nil, true},
// Test with invalid prefix (61)
{"test-bucket-list-object", "\\", "", "/", 10, resultCases[30], ObjectNameInvalid{Bucket: "test-bucket-list-object", Object: "\\"}, false},
}
for i, testCase := range testCases {
result, err := obj.ListObjects(testCase.bucketName, testCase.prefix, testCase.marker, testCase.delimeter, testCase.maxKeys)
if err != nil && testCase.shouldPass {
t.Errorf("Test %d: %s: Expected to pass, but failed with: <ERROR> %s", i+1, instanceType, err.Error())
}
if err == nil && !testCase.shouldPass {
t.Errorf("Test %d: %s: Expected to fail with <ERROR> \"%s\", but passed instead", i+1, instanceType, testCase.err.Error())
}
// Failed as expected, but does it fail for the expected reason.
if err != nil && !testCase.shouldPass {
if !strings.Contains(err.Error(), testCase.err.Error()) {
t.Errorf("Test %d: %s: Expected to fail with error \"%s\", but instead failed with error \"%s\" instead", i+1, instanceType, testCase.err.Error(), err.Error())
}
}
// Since there are cases for which ListObjects fails, this is
// necessary. Test passes as expected, but the output values
// are verified for correctness here.
if err == nil && testCase.shouldPass {
// The length of the expected ListObjectsResult.Objects
// should match in both expected result from test cases
// and in the output. On failure calling t.Fatalf,
// otherwise it may lead to index out of range error in
// assertion following this.
if len(testCase.result.Objects) != len(result.Objects) {
t.Fatalf("Test %d: %s: Expected number of object in the result to be '%d', but found '%d' objects instead", i+1, instanceType, len(testCase.result.Objects), len(result.Objects))
}
for j := 0; j < len(testCase.result.Objects); j++ {
if testCase.result.Objects[j].Name != result.Objects[j].Name {
t.Errorf("Test %d: %s: Expected object name to be \"%s\", but found \"%s\" instead", i+1, instanceType, testCase.result.Objects[j].Name, result.Objects[j].Name)
}
if testCase.result.Objects[j].ContentType != result.Objects[j].ContentType {
t.Errorf("Test %d: %s: Expected object contentType to be \"%s\", but found \"%s\" instead", i+1, instanceType, testCase.result.Objects[j].ContentType, result.Objects[j].ContentType)
}
}
if testCase.result.IsTruncated != result.IsTruncated {
t.Errorf("Test %d: %s: Expected IsTruncated flag to be %v, but instead found it to be %v", i+1, instanceType, testCase.result.IsTruncated, result.IsTruncated)
}
}
// Take ListObject treeWalk go-routine to completion, if available in the treewalk pool.
if result.IsTruncated {
_, err = obj.ListObjects(testCase.bucketName, testCase.prefix, result.NextMarker, testCase.delimeter, 1000)
if err != nil {
t.Fatal(err)
}
}
}
}
// Initialize FS backend for the benchmark.
func initFSObjectsB(disk string, t *testing.B) (obj ObjectLayer) {
var err error
obj, err = newFSObjectLayer(disk)
if err != nil {
t.Fatal("Unexpected err: ", err)
}
return obj
}
// BenchmarkListObjects - Run ListObject Repeatedly and benchmark.
func BenchmarkListObjects(b *testing.B) {
// Make a temporary directory to use as the obj.
directory, err := ioutil.TempDir(globalTestTmpDir, "minio-list-benchmark")
if err != nil {
b.Fatal(err)
}
defer removeAll(directory)
// initialize the root directory.
rootPath, err := newTestConfig("us-east-1")
if err != nil {
b.Fatalf("Unable to initialize config. %s", err)
}
defer removeAll(rootPath)
// Create the obj.
obj := initFSObjectsB(directory, b)
bucket := "ls-benchmark-bucket"
// Create a bucket.
err = obj.MakeBucket(bucket)
if err != nil {
b.Fatal(err)
}
sha256sum := ""
// Insert objects to be listed and benchmarked later.
for i := 0; i < 20000; i++ {
key := "obj" + strconv.Itoa(i)
_, err = obj.PutObject(bucket, key, int64(len(key)), bytes.NewBufferString(key), nil, sha256sum)
if err != nil {
b.Fatal(err)
}
}
b.ResetTimer()
// List the buckets over and over and over.
for i := 0; i < b.N; i++ {
_, err = obj.ListObjects(bucket, "", "obj9000", "", -1)
if err != nil {
b.Fatal(err)
}
}
}