182 lines
3.9 KiB
Go
182 lines
3.9 KiB
Go
// Copyright 2015 Google Inc. All Rights Reserved.
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// Author: jacobsa@google.com (Aaron Jacobs)
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package memfs_test
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import (
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"io/ioutil"
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"log"
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"os"
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"path"
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"strings"
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"testing"
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"time"
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"github.com/jacobsa/fuse"
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"github.com/jacobsa/fuse/samples/memfs"
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"github.com/jacobsa/gcsfuse/timeutil"
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. "github.com/jacobsa/oglematchers"
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. "github.com/jacobsa/ogletest"
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"golang.org/x/net/context"
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)
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func TestMemFS(t *testing.T) { RunTests(t) }
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////////////////////////////////////////////////////////////////////////
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// Boilerplate
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////////////////////////////////////////////////////////////////////////
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type MemFSTest struct {
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clock timeutil.SimulatedClock
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mfs *fuse.MountedFileSystem
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}
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var _ SetUpInterface = &MemFSTest{}
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var _ TearDownInterface = &MemFSTest{}
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func init() { RegisterTestSuite(&MemFSTest{}) }
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func (t *MemFSTest) SetUp(ti *TestInfo) {
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var err error
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// Set up a fixed, non-zero time.
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t.clock.SetTime(time.Now())
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// Set up a temporary directory for mounting.
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mountPoint, err := ioutil.TempDir("", "memfs_test")
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if err != nil {
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panic("ioutil.TempDir: " + err.Error())
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}
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// Mount a file system.
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fs := memfs.NewMemFS(&t.clock)
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if t.mfs, err = fuse.Mount(mountPoint, fs); err != nil {
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panic("Mount: " + err.Error())
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}
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if err = t.mfs.WaitForReady(context.Background()); err != nil {
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panic("MountedFileSystem.WaitForReady: " + err.Error())
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}
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}
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func (t *MemFSTest) TearDown() {
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// Unmount the file system. Try again on "resource busy" errors.
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delay := 10 * time.Millisecond
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for {
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err := t.mfs.Unmount()
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if err == nil {
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break
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}
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if strings.Contains(err.Error(), "resource busy") {
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log.Println("Resource busy error while unmounting; trying again")
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time.Sleep(delay)
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delay = time.Duration(1.3 * float64(delay))
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continue
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}
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panic("MountedFileSystem.Unmount: " + err.Error())
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}
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if err := t.mfs.Join(context.Background()); err != nil {
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panic("MountedFileSystem.Join: " + err.Error())
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}
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}
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////////////////////////////////////////////////////////////////////////
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// Test functions
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////////////////////////////////////////////////////////////////////////
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func (t *MemFSTest) ContentsOfEmptyFileSystem() {
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entries, err := ioutil.ReadDir(t.mfs.Dir())
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AssertEq(nil, err)
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ExpectThat(entries, ElementsAre())
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}
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func (t *MemFSTest) Mkdir() {
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var err error
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var fi os.FileInfo
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dirName := path.Join(t.mfs.Dir(), "dir")
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// Create a directory within the root.
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createTime := t.clock.Now()
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err = os.Mkdir(dirName, 0754)
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AssertEq(nil, err)
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// Simulate time proceeding.
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t.clock.AdvanceTime(time.Second)
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// Stat the directory.
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fi, err = os.Stat(dirName)
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AssertEq(nil, err)
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ExpectEq("dir", fi.Name())
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ExpectEq(0, fi.Size())
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ExpectEq(os.ModeDir|0754, fi.Mode())
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ExpectEq(createTime, fi.ModTime())
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ExpectTrue(fi.IsDir())
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// Read the directory.
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entries, err := ioutil.ReadDir(dirName)
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AssertEq(nil, err)
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ExpectThat(entries, ElementsAre())
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}
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func (t *MemFSTest) Mkdir_AlreadyExists() {
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AssertTrue(false, "TODO")
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}
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func (t *MemFSTest) Mkdir_IntermediateIsFile() {
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AssertTrue(false, "TODO")
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}
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func (t *MemFSTest) Mkdir_IntermediateIsNonExistent() {
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AssertTrue(false, "TODO")
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}
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func (t *MemFSTest) CreateNewFile_InRoot() {
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AssertTrue(false, "TODO")
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}
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func (t *MemFSTest) CreateNewFile_InSubDir() {
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AssertTrue(false, "TODO")
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}
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func (t *MemFSTest) ModifyExistingFile_InRoot() {
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AssertTrue(false, "TODO")
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}
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func (t *MemFSTest) ModifyExistingFile_InSubDir() {
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AssertTrue(false, "TODO")
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}
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func (t *MemFSTest) UnlinkFile_Exists() {
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AssertTrue(false, "TODO")
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}
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func (t *MemFSTest) UnlinkFile_NotAFile() {
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AssertTrue(false, "TODO")
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}
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func (t *MemFSTest) UnlinkFile_NonExistent() {
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AssertTrue(false, "TODO")
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}
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func (t *MemFSTest) Rmdir_NonEmpty() {
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AssertTrue(false, "TODO")
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}
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func (t *MemFSTest) Rmdir_Empty() {
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AssertTrue(false, "TODO")
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}
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func (t *MemFSTest) Rmdir_NotADirectory() {
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AssertTrue(false, "TODO")
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}
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func (t *MemFSTest) Rmdir_NonExistent() {
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AssertTrue(false, "TODO")
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}
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