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a982baff27
Design: https://gist.github.com/klauspost/025c09b48ed4a1293c917cecfabdf21c Gist of improvements: * Cross-server caching and listing will use the same data across servers and requests. * Lists can be arbitrarily resumed at a constant speed. * Metadata for all files scanned is stored for streaming retrieval. * The existing bloom filters controlled by the crawler is used for validating caches. * Concurrent requests for the same data (or parts of it) will not spawn additional walkers. * Listing a subdirectory of an existing recursive cache will use the cache. * All listing operations are fully streamable so the number of objects in a bucket no longer dictates the amount of memory. * Listings can be handled by any server within the cluster. * Caches are cleaned up when out of date or superseded by a more recent one.
567 lines
19 KiB
Go
567 lines
19 KiB
Go
/*
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* MinIO Cloud Storage, (C) 2016, 2017 MinIO, Inc.
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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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*/
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package cmd
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import (
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"bytes"
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"io"
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"io/ioutil"
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"os"
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"path"
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"testing"
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"github.com/minio/minio/pkg/lock"
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)
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func TestFSRenameFile(t *testing.T) {
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// create xlStorage test setup
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_, path, err := newXLStorageTestSetup()
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if err != nil {
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t.Fatalf("Unable to create xlStorage test setup, %s", err)
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}
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defer os.RemoveAll(path)
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if err = fsMkdir(GlobalContext, pathJoin(path, "testvolume1")); err != nil {
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t.Fatal(err)
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}
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if err = fsRenameFile(GlobalContext, pathJoin(path, "testvolume1"), pathJoin(path, "testvolume2")); err != nil {
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t.Fatal(err)
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}
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if err = fsRenameFile(GlobalContext, pathJoin(path, "testvolume1"), pathJoin(path, "testvolume2")); err != errFileNotFound {
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t.Fatal(err)
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}
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if err = fsRenameFile(GlobalContext, pathJoin(path, "my-obj-del-0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001"), pathJoin(path, "testvolume2")); err != errFileNameTooLong {
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t.Fatal("Unexpected error", err)
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}
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if err = fsRenameFile(GlobalContext, pathJoin(path, "testvolume1"), pathJoin(path, "my-obj-del-0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001")); err != errFileNameTooLong {
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t.Fatal("Unexpected error", err)
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}
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}
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func TestFSStats(t *testing.T) {
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// create xlStorage test setup
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_, path, err := newXLStorageTestSetup()
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if err != nil {
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t.Fatalf("Unable to create xlStorage test setup, %s", err)
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}
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defer os.RemoveAll(path)
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// Setup test environment.
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if err = fsMkdir(GlobalContext, ""); err != errInvalidArgument {
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t.Fatal("Unexpected error", err)
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}
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if err = fsMkdir(GlobalContext, pathJoin(path, "my-obj-del-0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001")); err != errFileNameTooLong {
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t.Fatal("Unexpected error", err)
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}
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if err = fsMkdir(GlobalContext, pathJoin(path, "success-vol")); err != nil {
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t.Fatalf("Unable to create volume, %s", err)
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}
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var reader = bytes.NewReader([]byte("Hello, world"))
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if _, err = fsCreateFile(GlobalContext, pathJoin(path, "success-vol", "success-file"), reader, nil, 0); err != nil {
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t.Fatalf("Unable to create file, %s", err)
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}
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// Seek back.
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reader.Seek(0, 0)
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if err = fsMkdir(GlobalContext, pathJoin(path, "success-vol", "success-file")); err != errVolumeExists {
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t.Fatal("Unexpected error", err)
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}
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if _, err = fsCreateFile(GlobalContext, pathJoin(path, "success-vol", "path/to/success-file"), reader, nil, 0); err != nil {
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t.Fatalf("Unable to create file, %s", err)
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}
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// Seek back.
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reader.Seek(0, 0)
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testCases := []struct {
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srcFSPath string
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srcVol string
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srcPath string
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expectedErr error
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}{
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// Test case - 1.
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// Test case with valid inputs, expected to pass.
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{
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srcFSPath: path,
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srcVol: "success-vol",
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srcPath: "success-file",
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expectedErr: nil,
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},
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// Test case - 2.
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// Test case with valid inputs, expected to pass.
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{
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srcFSPath: path,
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srcVol: "success-vol",
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srcPath: "path/to/success-file",
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expectedErr: nil,
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},
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// Test case - 3.
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// Test case with non-existent file.
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{
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srcFSPath: path,
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srcVol: "success-vol",
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srcPath: "nonexistent-file",
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expectedErr: errFileNotFound,
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},
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// Test case - 4.
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// Test case with non-existent file path.
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{
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srcFSPath: path,
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srcVol: "success-vol",
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srcPath: "path/2/success-file",
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expectedErr: errFileNotFound,
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},
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// Test case - 5.
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// Test case with path being a directory.
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{
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srcFSPath: path,
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srcVol: "success-vol",
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srcPath: "path",
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expectedErr: errFileNotFound,
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},
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// Test case - 6.
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// Test case with src path segment > 255.
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{
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srcFSPath: path,
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srcVol: "success-vol",
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srcPath: "my-obj-del-0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001",
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expectedErr: errFileNameTooLong,
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},
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// Test case - 7.
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// Test case validate only srcVol exists.
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{
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srcFSPath: path,
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srcVol: "success-vol",
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expectedErr: nil,
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},
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// Test case - 8.
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// Test case validate only srcVol doesn't exist.
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{
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srcFSPath: path,
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srcVol: "success-vol-non-existent",
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expectedErr: errVolumeNotFound,
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},
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// Test case - 9.
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// Test case validate invalid argument.
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{
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expectedErr: errInvalidArgument,
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},
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}
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for i, testCase := range testCases {
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if testCase.srcPath != "" {
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if _, err := fsStatFile(GlobalContext, pathJoin(testCase.srcFSPath, testCase.srcVol,
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testCase.srcPath)); err != testCase.expectedErr {
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t.Fatalf("TestErasureStorage case %d: Expected: \"%s\", got: \"%s\"", i+1, testCase.expectedErr, err)
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}
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} else {
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if _, err := fsStatVolume(GlobalContext, pathJoin(testCase.srcFSPath, testCase.srcVol)); err != testCase.expectedErr {
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t.Fatalf("TestFS case %d: Expected: \"%s\", got: \"%s\"", i+1, testCase.expectedErr, err)
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}
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}
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}
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}
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func TestFSCreateAndOpen(t *testing.T) {
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// Setup test environment.
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_, path, err := newXLStorageTestSetup()
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if err != nil {
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t.Fatalf("Unable to create xlStorage test setup, %s", err)
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}
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defer os.RemoveAll(path)
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if err = fsMkdir(GlobalContext, pathJoin(path, "success-vol")); err != nil {
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t.Fatalf("Unable to create directory, %s", err)
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}
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if _, err = fsCreateFile(GlobalContext, "", nil, nil, 0); err != errInvalidArgument {
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t.Fatal("Unexpected error", err)
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}
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if _, _, err = fsOpenFile(GlobalContext, "", -1); err != errInvalidArgument {
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t.Fatal("Unexpected error", err)
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}
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var reader = bytes.NewReader([]byte("Hello, world"))
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if _, err = fsCreateFile(GlobalContext, pathJoin(path, "success-vol", "success-file"), reader, nil, 0); err != nil {
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t.Fatalf("Unable to create file, %s", err)
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}
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// Seek back.
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reader.Seek(0, 0)
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testCases := []struct {
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srcVol string
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srcPath string
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expectedErr error
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}{
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// Test case - 1.
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// Test case with segment of the volume name > 255.
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{
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srcVol: "my-obj-del-0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001",
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srcPath: "success-file",
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expectedErr: errFileNameTooLong,
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},
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// Test case - 2.
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// Test case with src path segment > 255.
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{
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srcVol: "success-vol",
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srcPath: "my-obj-del-0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001",
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expectedErr: errFileNameTooLong,
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},
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}
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for i, testCase := range testCases {
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_, err = fsCreateFile(GlobalContext, pathJoin(path, testCase.srcVol, testCase.srcPath), reader, nil, 0)
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if err != testCase.expectedErr {
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t.Errorf("Test case %d: Expected: \"%s\", got: \"%s\"", i+1, testCase.expectedErr, err)
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}
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_, _, err = fsOpenFile(GlobalContext, pathJoin(path, testCase.srcVol, testCase.srcPath), 0)
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if err != testCase.expectedErr {
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t.Errorf("Test case %d: Expected: \"%s\", got: \"%s\"", i+1, testCase.expectedErr, err)
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}
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}
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// Attempt to open a directory.
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if _, _, err = fsOpenFile(GlobalContext, pathJoin(path), 0); err != errIsNotRegular {
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t.Fatal("Unexpected error", err)
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}
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}
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func TestFSDeletes(t *testing.T) {
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// create xlStorage test setup
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_, path, err := newXLStorageTestSetup()
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if err != nil {
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t.Fatalf("Unable to create xlStorage test setup, %s", err)
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}
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defer os.RemoveAll(path)
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// Setup test environment.
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if err = fsMkdir(GlobalContext, pathJoin(path, "success-vol")); err != nil {
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t.Fatalf("Unable to create directory, %s", err)
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}
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var buf = make([]byte, 4096)
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var reader = bytes.NewReader([]byte("Hello, world"))
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if _, err = fsCreateFile(GlobalContext, pathJoin(path, "success-vol", "success-file"), reader, buf, reader.Size()); err != nil {
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t.Fatalf("Unable to create file, %s", err)
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}
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// Seek back.
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reader.Seek(0, io.SeekStart)
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// folder is not empty
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err = fsMkdir(GlobalContext, pathJoin(path, "success-vol", "not-empty"))
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if err != nil {
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t.Fatal(err)
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}
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err = ioutil.WriteFile(pathJoin(path, "success-vol", "not-empty", "file"), []byte("data"), 0777)
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if err != nil {
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t.Fatal(err)
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}
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// recursive
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if err = fsMkdir(GlobalContext, pathJoin(path, "success-vol", "parent")); err != nil {
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t.Fatal(err)
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}
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if err = fsMkdir(GlobalContext, pathJoin(path, "success-vol", "parent", "dir")); err != nil {
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t.Fatal(err)
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}
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testCases := []struct {
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basePath string
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srcVol string
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srcPath string
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expectedErr error
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}{
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// valid case with existing volume and file to delete.
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{
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basePath: path,
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srcVol: "success-vol",
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srcPath: "success-file",
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expectedErr: nil,
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},
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// The file was deleted in the last case, so Delete should fail.
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{
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basePath: path,
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srcVol: "success-vol",
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srcPath: "success-file",
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expectedErr: errFileNotFound,
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},
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// Test case with segment of the volume name > 255.
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{
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basePath: path,
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srcVol: "my-obj-del-0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001",
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srcPath: "success-file",
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expectedErr: errFileNameTooLong,
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},
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// Test case with src path segment > 255.
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{
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basePath: path,
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srcVol: "success-vol",
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srcPath: "my-obj-del-0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001",
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expectedErr: errFileNameTooLong,
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},
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// Base path is way too long.
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{
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basePath: "path03333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333",
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srcVol: "success-vol",
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srcPath: "object",
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expectedErr: errFileNameTooLong,
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},
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// Directory is not empty. Should give nil, but won't delete.
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{
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basePath: path,
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srcVol: "success-vol",
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srcPath: "not-empty",
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expectedErr: nil,
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},
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// Should delete recursively.
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{
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basePath: path,
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srcVol: "success-vol",
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srcPath: pathJoin("parent", "dir"),
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expectedErr: nil,
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},
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}
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for i, testCase := range testCases {
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if err = fsDeleteFile(GlobalContext, testCase.basePath, pathJoin(testCase.basePath, testCase.srcVol, testCase.srcPath)); err != testCase.expectedErr {
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t.Errorf("Test case %d: Expected: \"%s\", got: \"%s\"", i+1, testCase.expectedErr, err)
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}
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}
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}
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func BenchmarkFSDeleteFile(b *testing.B) {
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// create xlStorage test setup
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_, path, err := newXLStorageTestSetup()
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if err != nil {
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b.Fatalf("Unable to create xlStorage test setup, %s", err)
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}
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defer os.RemoveAll(path)
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// Setup test environment.
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if err = fsMkdir(GlobalContext, pathJoin(path, "benchmark")); err != nil {
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b.Fatalf("Unable to create directory, %s", err)
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}
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benchDir := pathJoin(path, "benchmark")
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filename := pathJoin(benchDir, "file.txt")
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b.ResetTimer()
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// We need to create and delete the file sequentially inside the benchmark.
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for i := 0; i < b.N; i++ {
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b.StopTimer()
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err = ioutil.WriteFile(filename, []byte("data"), 0777)
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if err != nil {
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b.Fatal(err)
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}
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b.StartTimer()
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err = fsDeleteFile(GlobalContext, benchDir, filename)
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if err != nil {
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b.Fatal(err)
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}
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}
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}
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// Tests fs removes.
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func TestFSRemoves(t *testing.T) {
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// create xlStorage test setup
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_, path, err := newXLStorageTestSetup()
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if err != nil {
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t.Fatalf("Unable to create xlStorage test setup, %s", err)
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}
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defer os.RemoveAll(path)
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// Setup test environment.
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if err = fsMkdir(GlobalContext, pathJoin(path, "success-vol")); err != nil {
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t.Fatalf("Unable to create directory, %s", err)
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}
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var reader = bytes.NewReader([]byte("Hello, world"))
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if _, err = fsCreateFile(GlobalContext, pathJoin(path, "success-vol", "success-file"), reader, nil, 0); err != nil {
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t.Fatalf("Unable to create file, %s", err)
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}
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// Seek back.
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reader.Seek(0, 0)
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if _, err = fsCreateFile(GlobalContext, pathJoin(path, "success-vol", "success-file-new"), reader, nil, 0); err != nil {
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t.Fatalf("Unable to create file, %s", err)
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}
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// Seek back.
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reader.Seek(0, 0)
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testCases := []struct {
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srcFSPath string
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srcVol string
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srcPath string
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expectedErr error
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}{
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// Test case - 1.
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// valid case with existing volume and file to delete.
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{
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srcFSPath: path,
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srcVol: "success-vol",
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srcPath: "success-file",
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expectedErr: nil,
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},
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// Test case - 2.
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// The file was deleted in the last case, so Delete should fail.
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{
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srcFSPath: path,
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srcVol: "success-vol",
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srcPath: "success-file",
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expectedErr: errFileNotFound,
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},
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// Test case - 3.
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// Test case with segment of the volume name > 255.
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{
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srcFSPath: path,
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srcVol: "my-obj-del-0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001",
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srcPath: "success-file",
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expectedErr: errFileNameTooLong,
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},
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// Test case - 4.
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// Test case with src path segment > 255.
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{
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srcFSPath: path,
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srcVol: "success-vol",
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srcPath: "my-obj-del-0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001",
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expectedErr: errFileNameTooLong,
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},
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// Test case - 5.
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// Test case with src path empty.
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{
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srcFSPath: path,
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srcVol: "success-vol",
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expectedErr: errVolumeNotEmpty,
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},
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// Test case - 6.
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// Test case with src path empty.
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{
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srcFSPath: path,
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srcVol: "my-obj-del-0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001",
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expectedErr: errFileNameTooLong,
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},
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// Test case - 7.
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// Test case with src path empty.
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{
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srcFSPath: path,
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srcVol: "non-existent",
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expectedErr: errVolumeNotFound,
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},
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// Test case - 8.
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// Test case with src and volume path empty.
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{
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expectedErr: errInvalidArgument,
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},
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}
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for i, testCase := range testCases {
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if testCase.srcPath != "" {
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if err = fsRemoveFile(GlobalContext, pathJoin(testCase.srcFSPath, testCase.srcVol, testCase.srcPath)); err != testCase.expectedErr {
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t.Errorf("Test case %d: Expected: \"%s\", got: \"%s\"", i+1, testCase.expectedErr, err)
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}
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} else {
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if err = fsRemoveDir(GlobalContext, pathJoin(testCase.srcFSPath, testCase.srcVol, testCase.srcPath)); err != testCase.expectedErr {
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t.Error(err)
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}
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}
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}
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if err = fsRemoveAll(GlobalContext, pathJoin(path, "success-vol")); err != nil {
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t.Fatal(err)
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}
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if err = fsRemoveAll(GlobalContext, ""); err != errInvalidArgument {
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t.Fatal(err)
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}
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if err = fsRemoveAll(GlobalContext, "my-obj-del-0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001"); err != errFileNameTooLong {
|
|
t.Fatal(err)
|
|
}
|
|
}
|
|
|
|
func TestFSRemoveMeta(t *testing.T) {
|
|
// create xlStorage test setup
|
|
_, fsPath, err := newXLStorageTestSetup()
|
|
if err != nil {
|
|
t.Fatalf("Unable to create xlStorage test setup, %s", err)
|
|
}
|
|
defer os.RemoveAll(fsPath)
|
|
|
|
// Setup test environment.
|
|
if err = fsMkdir(GlobalContext, pathJoin(fsPath, "success-vol")); err != nil {
|
|
t.Fatalf("Unable to create directory, %s", err)
|
|
}
|
|
|
|
filePath := pathJoin(fsPath, "success-vol", "success-file")
|
|
|
|
var reader = bytes.NewReader([]byte("Hello, world"))
|
|
if _, err = fsCreateFile(GlobalContext, filePath, reader, nil, 0); err != nil {
|
|
t.Fatalf("Unable to create file, %s", err)
|
|
}
|
|
|
|
rwPool := &fsIOPool{
|
|
readersMap: make(map[string]*lock.RLockedFile),
|
|
}
|
|
|
|
if _, err := rwPool.Open(filePath); err != nil {
|
|
t.Fatalf("Unable to lock file %s", filePath)
|
|
}
|
|
|
|
defer rwPool.Close(filePath)
|
|
|
|
tmpDir, tmpErr := ioutil.TempDir(globalTestTmpDir, "minio-")
|
|
if tmpErr != nil {
|
|
t.Fatal(tmpErr)
|
|
}
|
|
|
|
if err := fsRemoveMeta(GlobalContext, fsPath, filePath, tmpDir); err != nil {
|
|
t.Fatalf("Unable to remove file, %s", err)
|
|
}
|
|
|
|
if _, err := os.Stat((filePath)); !os.IsNotExist(err) {
|
|
t.Fatalf("`%s` file found though it should have been deleted.", filePath)
|
|
}
|
|
|
|
if _, err := os.Stat((path.Dir(filePath))); !os.IsNotExist(err) {
|
|
t.Fatalf("`%s` parent directory found though it should have been deleted.", filePath)
|
|
}
|
|
}
|
|
|
|
func TestFSIsFile(t *testing.T) {
|
|
dirPath, err := ioutil.TempDir(globalTestTmpDir, "minio-")
|
|
if err != nil {
|
|
t.Fatalf("Unable to create tmp directory %s", err)
|
|
}
|
|
defer os.RemoveAll(dirPath)
|
|
|
|
filePath := pathJoin(dirPath, "tmpfile")
|
|
|
|
if err = ioutil.WriteFile(filePath, nil, 0777); err != nil {
|
|
t.Fatalf("Unable to create file %s", filePath)
|
|
}
|
|
|
|
if !fsIsFile(GlobalContext, filePath) {
|
|
t.Fatalf("Expected %s to be a file", filePath)
|
|
}
|
|
}
|