1c699d8d3f
This patch re-writes FS backend to support shared backend sharing locks for safe concurrent access across multiple servers.
406 lines
13 KiB
Go
406 lines
13 KiB
Go
/*
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* Minio Cloud Storage, (C) 2016 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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"runtime"
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"testing"
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)
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func TestFSStats(t *testing.T) {
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// create posix test setup
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_, path, err := newPosixTestSetup()
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if err != nil {
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t.Fatalf("Unable to create posix test setup, %s", err)
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}
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defer removeAll(path)
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// Setup test environment.
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if err = fsMkdir(""); err != errInvalidArgument {
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t.Fatal("Unexpected error", err)
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}
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if err = fsMkdir(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(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 buf = make([]byte, 4096)
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var reader = bytes.NewReader([]byte("Hello, world"))
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if _, err = fsCreateFile(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, 0)
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if err = fsMkdir(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(pathJoin(path, "success-vol", "path/to/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, 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(pathJoin(testCase.srcFSPath, testCase.srcVol, testCase.srcPath)); err != testCase.expectedErr {
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t.Fatalf("TestPosix 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 := fsStatDir(pathJoin(testCase.srcFSPath, testCase.srcVol)); err != testCase.expectedErr {
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t.Fatalf("TestPosix 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 := newPosixTestSetup()
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if err != nil {
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t.Fatalf("Unable to create posix test setup, %s", err)
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}
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defer removeAll(path)
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if err = fsMkdir(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("", 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("", -1); err != errInvalidArgument {
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t.Fatal("Unexpected error", 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(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, 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(pathJoin(path, testCase.srcVol, testCase.srcPath), reader, buf, reader.Size())
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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(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(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 posix test setup
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_, path, err := newPosixTestSetup()
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if err != nil {
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t.Fatalf("Unable to create posix test setup, %s", err)
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}
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defer removeAll(path)
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// Setup test environment.
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if err = fsMkdir(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(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, 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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// valid case with existing volume and file to delete.
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{
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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 DeleteFile should fail.
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{
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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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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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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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if err = fsDeleteFile(path, pathJoin(path, 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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// Tests fs removes.
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func TestFSRemoves(t *testing.T) {
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// create posix test setup
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_, path, err := newPosixTestSetup()
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if err != nil {
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t.Fatalf("Unable to create posix test setup, %s", err)
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}
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defer removeAll(path)
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// Setup test environment.
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if err = fsMkdir(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(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, 0)
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if _, err = fsCreateFile(pathJoin(path, "success-vol", "success-file-new"), 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, 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 DeleteFile 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(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(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(pathJoin(path, "success-vol")); err != nil {
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t.Fatal(err)
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}
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if err = fsRemoveAll(""); err != errInvalidArgument {
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t.Fatal(err)
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}
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if err = fsRemoveAll("my-obj-del-0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001"); err != errFileNameTooLong {
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t.Fatal(err)
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}
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if runtime.GOOS != "windows" {
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if err = fsRemoveAll("/usr"); err != errVolumeAccessDenied {
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t.Fatal(err)
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}
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}
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}
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