393 lines
11 KiB
Go
393 lines
11 KiB
Go
// Copyright 2019 Sorint.lab
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package objectstorage
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import (
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"bytes"
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"fmt"
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"io/ioutil"
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"os"
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"path"
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"path/filepath"
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"reflect"
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"strings"
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"testing"
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)
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func setupPosix(t *testing.T, dir string) (*PosixStorage, error) {
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return NewPosix(path.Join(dir, "posix"))
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}
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func setupPosixFlat(t *testing.T, dir string) (*PosixFlatStorage, error) {
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return NewPosixFlat(path.Join(dir, "posixflat"))
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}
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func setupS3(t *testing.T, dir string) (*S3Storage, error) {
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minioEndpoint := os.Getenv("MINIO_ENDPOINT")
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minioAccessKey := os.Getenv("MINIO_ACCESSKEY")
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minioSecretKey := os.Getenv("MINIO_SECRETKEY")
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if minioEndpoint == "" {
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t.Logf("missing MINIO_ENDPOINT env, skipping tests with minio storage")
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return nil, nil
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}
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return NewS3(filepath.Base(dir), "", minioEndpoint, minioAccessKey, minioSecretKey, false)
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}
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func TestList(t *testing.T) {
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dir, err := ioutil.TempDir("", "objectstorage")
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if err != nil {
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t.Fatalf("unexpected err: %v", err)
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}
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defer os.RemoveAll(dir)
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ps, err := setupPosix(t, dir)
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if err != nil {
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t.Fatalf("unexpected err: %v", err)
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}
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pfs, err := setupPosixFlat(t, dir)
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if err != nil {
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t.Fatalf("unexpected err: %v", err)
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}
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s3s, err := setupS3(t, dir)
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if err != nil {
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t.Fatalf("unexpected err: %v", err)
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}
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type listop struct {
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prefix string
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start string
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recursive bool
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expected []string
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}
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tests := []struct {
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s map[string]Storage
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objects []string
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ops []listop
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}{
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{
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map[string]Storage{"posixflat": pfs},
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[]string{
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// Minio (as of 20190201) IMHO is not real S3 since it tries to map to a
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// file system and not a flat namespace like S3. For this reason this test
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// won't work with minio beacuse it creates a file called "path/of" and so
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// it's not possible to create a file "path/of/a" because it needs "of" to
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// be a directory
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// All of the below tests will fail on Minio due to the above reason and also the multiple '/'
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// so we aren't testing these with it
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//"path/of",
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//"path/of/a/file02",
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//"path/of/a/file03",
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//"path/of/a/file04",
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//"path/of/a/file05",
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// These are multiple of 8 chars on purpose to test the filemarker behavior to
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// distinguish between a file or a directory when the files ends at the path
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// separator point
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"s3/is/not/a/file///system/file01",
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"s3/is/not/a/file///system/file02",
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"s3/is/not/a/file///system/file03",
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"s3/is/not/a/file///system/file04",
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"s3/is/not/a/file///system/file041",
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"s3/is/not/a/file///system/file042",
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"s3/is/not/a/file///system/file042/",
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"s3/is/not/a/file///system/file042/a",
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"s3/is/not/a/file///system/file04/a",
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"s3/is/not/a/file///system/file04/b",
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"s3/is/not/a/file///system/file05",
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"s3/is/not/a/file///system/file01a",
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"s3/is/not/a/file///system/file01b",
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"s3/is/not/a/file///system/file01/",
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"s3/is/not/a/file///system/file01/a",
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"s3/is/not/a/file///system/file01/b",
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},
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[]listop{
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{
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prefix: "/s3/",
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start: "/s3/is/not/a/file///system/file02",
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recursive: true,
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expected: []string{
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"s3/is/not/a/file///system/file03",
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"s3/is/not/a/file///system/file04",
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"s3/is/not/a/file///system/file04/a",
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"s3/is/not/a/file///system/file04/b",
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"s3/is/not/a/file///system/file041",
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"s3/is/not/a/file///system/file042",
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"s3/is/not/a/file///system/file042/",
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"s3/is/not/a/file///system/file042/a",
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"s3/is/not/a/file///system/file05",
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},
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},
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{
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prefix: "s3",
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start: "s3/is/not/a/file///system/file02",
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recursive: true,
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expected: []string{
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"s3/is/not/a/file///system/file03",
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"s3/is/not/a/file///system/file04",
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"s3/is/not/a/file///system/file04/a",
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"s3/is/not/a/file///system/file04/b",
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"s3/is/not/a/file///system/file041",
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"s3/is/not/a/file///system/file042",
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"s3/is/not/a/file///system/file042/",
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"s3/is/not/a/file///system/file042/a",
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"s3/is/not/a/file///system/file05",
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},
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},
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{
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prefix: "s3/is/not/a/file///system/",
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recursive: false,
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expected: []string{
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"s3/is/not/a/file///system/file01",
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"s3/is/not/a/file///system/file01a",
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"s3/is/not/a/file///system/file01b",
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"s3/is/not/a/file///system/file02",
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"s3/is/not/a/file///system/file03",
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"s3/is/not/a/file///system/file04",
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"s3/is/not/a/file///system/file041",
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"s3/is/not/a/file///system/file042",
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"s3/is/not/a/file///system/file05",
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},
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},
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{
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prefix: "s3/is/not/a/file///system/",
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recursive: true,
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expected: []string{
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"s3/is/not/a/file///system/file01",
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"s3/is/not/a/file///system/file01/",
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"s3/is/not/a/file///system/file01/a",
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"s3/is/not/a/file///system/file01/b",
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"s3/is/not/a/file///system/file01a",
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"s3/is/not/a/file///system/file01b",
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"s3/is/not/a/file///system/file02",
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"s3/is/not/a/file///system/file03",
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"s3/is/not/a/file///system/file04",
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"s3/is/not/a/file///system/file04/a",
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"s3/is/not/a/file///system/file04/b",
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"s3/is/not/a/file///system/file041",
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"s3/is/not/a/file///system/file042",
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"s3/is/not/a/file///system/file042/",
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"s3/is/not/a/file///system/file042/a",
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"s3/is/not/a/file///system/file05",
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},
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},
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},
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},
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{
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map[string]Storage{"posix": ps, "posixflat": pfs, "minio": s3s},
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[]string{
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// These are multiple of 8 chars on purpose to test the filemarker behavior to
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// distinguish between a file or a directory when the files ends at the path
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// separator point
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"s3/is/not/a/file/sy/st/em/file01",
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"s3/is/not/a/file/sy/st/em/file02",
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"s3/is/not/a/file/sy/st/em/file03",
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"s3/is/not/a/file/sy/st/em/file05",
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"s3/is/not/a/file/sy/st/em/file01a",
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"s3/is/not/a/file/sy/st/em/file01b",
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"s3/is/not/a/file/sy/st/em/file04/a",
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"s3/is/not/a/file/sy/st/em/file04/b",
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"s3/is/not/a/file/sy/st/em/file041",
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"s3/is/not/a/file/sy/st/em/file042/a",
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},
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[]listop{
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{
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prefix: "/s3/",
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start: "/s3/is/not/a/file/sy/st/em/file02",
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recursive: true,
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expected: []string{
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"s3/is/not/a/file/sy/st/em/file03",
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"s3/is/not/a/file/sy/st/em/file04/a",
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"s3/is/not/a/file/sy/st/em/file04/b",
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"s3/is/not/a/file/sy/st/em/file041",
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"s3/is/not/a/file/sy/st/em/file042/a",
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"s3/is/not/a/file/sy/st/em/file05",
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},
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},
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{
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prefix: "s3",
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start: "s3/is/not/a/file/sy/st/em/file02",
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recursive: true,
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expected: []string{
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"s3/is/not/a/file/sy/st/em/file03",
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"s3/is/not/a/file/sy/st/em/file04/a",
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"s3/is/not/a/file/sy/st/em/file04/b",
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"s3/is/not/a/file/sy/st/em/file041",
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"s3/is/not/a/file/sy/st/em/file042/a",
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"s3/is/not/a/file/sy/st/em/file05",
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},
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},
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{
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prefix: "s3/is/not/a/file/sy/st/em/",
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recursive: false,
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expected: []string{
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"s3/is/not/a/file/sy/st/em/file01",
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"s3/is/not/a/file/sy/st/em/file01a",
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"s3/is/not/a/file/sy/st/em/file01b",
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"s3/is/not/a/file/sy/st/em/file02",
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"s3/is/not/a/file/sy/st/em/file03",
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"s3/is/not/a/file/sy/st/em/file041",
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"s3/is/not/a/file/sy/st/em/file05",
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},
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},
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{
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prefix: "s3/is/not/a/file/sy/st/em/",
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recursive: true,
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expected: []string{
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"s3/is/not/a/file/sy/st/em/file01",
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"s3/is/not/a/file/sy/st/em/file01a",
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"s3/is/not/a/file/sy/st/em/file01b",
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"s3/is/not/a/file/sy/st/em/file02",
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"s3/is/not/a/file/sy/st/em/file03",
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"s3/is/not/a/file/sy/st/em/file04/a",
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"s3/is/not/a/file/sy/st/em/file04/b",
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"s3/is/not/a/file/sy/st/em/file041",
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"s3/is/not/a/file/sy/st/em/file042/a",
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"s3/is/not/a/file/sy/st/em/file05",
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},
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},
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},
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},
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}
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for i, tt := range tests {
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for sname, s := range tt.s {
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t.Run(fmt.Sprintf("test with storage type %s", sname), func(t *testing.T) {
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switch s := s.(type) {
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case *S3Storage:
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if s == nil {
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t.SkipNow()
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}
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}
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os := NewObjStorage(s, "/")
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// populate
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for _, p := range tt.objects {
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if err := os.WriteObject(p, strings.NewReader(""), 0, true); err != nil {
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t.Fatalf("%s %d err: %v", sname, i, err)
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}
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}
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doneCh := make(chan struct{})
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defer close(doneCh)
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for j, op := range tt.ops {
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paths := []string{}
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for object := range os.List(op.prefix, op.start, op.recursive, doneCh) {
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if object.Err != nil {
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t.Fatalf("%s %d-%d err: %v", sname, i, j, object.Err)
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return
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}
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paths = append(paths, object.Path)
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}
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if !reflect.DeepEqual(op.expected, paths) {
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t.Errorf("%s %d-%d expected paths %v got %v", sname, i, j, op.expected, paths)
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}
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}
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})
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}
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}
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}
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func TestWriteObject(t *testing.T) {
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dir, err := ioutil.TempDir("", "objectstorage")
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if err != nil {
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t.Fatalf("unexpected err: %v", err)
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}
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defer os.RemoveAll(dir)
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ps, err := setupPosix(t, dir)
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if err != nil {
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t.Fatalf("unexpected err: %v", err)
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}
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pfs, err := setupPosixFlat(t, dir)
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if err != nil {
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t.Fatalf("unexpected err: %v", err)
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}
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s3s, err := setupS3(t, dir)
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if err != nil {
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t.Fatalf("unexpected err: %v", err)
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}
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newBuf := func(n int64) *bytes.Buffer {
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testBytes := make([]byte, n)
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for i := int64(0); i < n; i++ {
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testBytes[i] = 'a' + byte(i%26)
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}
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return bytes.NewBuffer(testBytes)
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}
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for sname, s := range map[string]Storage{"posix": ps, "posixflat": pfs, "minio": s3s} {
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t.Run(fmt.Sprintf("test with storage type %s", sname), func(t *testing.T) {
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switch s := s.(type) {
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case *S3Storage:
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if s == nil {
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t.SkipNow()
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}
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}
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os := NewObjStorage(s, "/")
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n := int64(10000)
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// Test write without size. Should write whole buffer.
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buf := newBuf(n)
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objName := "obj01"
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if err := os.WriteObject(objName, buf, -1, false); err != nil {
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t.Fatalf("unexpected err: %v", err)
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}
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oi, err := os.Stat(objName)
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if err != nil {
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t.Fatalf("unexpected err: %v", err)
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}
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if oi.Size != n {
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t.Fatalf("expected object size: %d, got %d", n, oi.Size)
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}
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// Test write with object size equal to buf size.
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buf = newBuf(n)
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objName = "obj02"
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if err := os.WriteObject(objName, buf, n, false); err != nil {
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t.Fatalf("unexpected err: %v", err)
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}
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oi, err = os.Stat(objName)
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if err != nil {
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t.Fatalf("unexpected err: %v", err)
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}
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if oi.Size != n {
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t.Fatalf("expected object size: %d, got %d", n, oi.Size)
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}
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// Test write with object size less than buf size.
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buf = newBuf(n)
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objName = "obj03"
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size := int64(800)
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if err := os.WriteObject(objName, buf, int64(size), false); err != nil {
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t.Fatalf("unexpected err: %v", err)
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}
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oi, err = os.Stat(objName)
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if err != nil {
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t.Fatalf("unexpected err: %v", err)
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}
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if oi.Size != size {
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t.Fatalf("expected object size: %d, got %d", size, oi.Size)
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}
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// remaining buf len should be n-size
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if int64(buf.Len()) != n-size {
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t.Fatalf("expected buf lenght: %d, got %d", n-size, buf.Len())
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}
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})
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}
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}
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