939 lines
19 KiB
Go
939 lines
19 KiB
Go
// Copyright (C) 2018 The Syncthing Authors.
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//
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// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this file,
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// You can obtain one at https://mozilla.org/MPL/2.0/.
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package fs
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import (
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"bytes"
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"fmt"
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"io"
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"os"
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"path"
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"path/filepath"
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"runtime"
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"sort"
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"testing"
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"time"
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)
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func TestFakeFS(t *testing.T) {
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// Test some basic aspects of the fakeFS
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fs := newFakeFilesystem("/foo/bar/baz")
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// MkdirAll
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err := fs.MkdirAll("dira/dirb", 0755)
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if err != nil {
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t.Fatal(err)
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}
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_, err = fs.Stat("dira/dirb")
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if err != nil {
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t.Fatal(err)
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}
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// Mkdir
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err = fs.Mkdir("dira/dirb/dirc", 0755)
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if err != nil {
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t.Fatal(err)
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}
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_, err = fs.Stat("dira/dirb/dirc")
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if err != nil {
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t.Fatal(err)
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}
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// Create
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fd, err := fs.Create("/dira/dirb/test")
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if err != nil {
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t.Fatal(err)
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}
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// Write
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_, err = fd.Write([]byte("hello"))
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if err != nil {
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t.Fatal(err)
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}
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// Stat on fd
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info, err := fd.Stat()
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if err != nil {
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t.Fatal(err)
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}
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if info.Name() != "test" {
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t.Error("wrong name:", info.Name())
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}
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if info.Size() != 5 {
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t.Error("wrong size:", info.Size())
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}
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// Stat on fs
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info, err = fs.Stat("dira/dirb/test")
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if err != nil {
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t.Fatal(err)
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}
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if info.Name() != "test" {
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t.Error("wrong name:", info.Name())
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}
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if info.Size() != 5 {
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t.Error("wrong size:", info.Size())
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}
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// Seek
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_, err = fd.Seek(1, io.SeekStart)
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if err != nil {
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t.Fatal(err)
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}
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// Read
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bs0, err := io.ReadAll(fd)
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if err != nil {
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t.Fatal(err)
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}
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if len(bs0) != 4 {
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t.Error("wrong number of bytes:", len(bs0))
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}
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// Read again, same data hopefully
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_, err = fd.Seek(0, io.SeekStart)
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if err != nil {
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t.Fatal(err)
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}
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bs1, err := io.ReadAll(fd)
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if err != nil {
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t.Fatal(err)
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}
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if !bytes.Equal(bs0, bs1[1:]) {
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t.Error("wrong data")
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}
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// Create symlink
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if err := fs.CreateSymlink("foo", "dira/dirb/symlink"); err != nil {
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t.Fatal(err)
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}
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if str, err := fs.ReadSymlink("dira/dirb/symlink"); err != nil {
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t.Fatal(err)
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} else if str != "foo" {
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t.Error("Wrong symlink destination", str)
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}
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// Chown
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if err := fs.Lchown("dira", 1234, 5678); err != nil {
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t.Fatal(err)
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}
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if info, err := fs.Lstat("dira"); err != nil {
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t.Fatal(err)
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} else if info.Owner() != 1234 || info.Group() != 5678 {
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t.Error("Wrong owner/group")
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}
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}
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func testFakeFSRead(t *testing.T, fs Filesystem) {
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// Test some basic aspects of the fakeFS
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// Create
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fd, _ := fs.Create("test")
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defer fd.Close()
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fd.Truncate(3 * 1 << randomBlockShift)
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// Read
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fd.Seek(0, io.SeekStart)
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bs0, err := io.ReadAll(fd)
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if err != nil {
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t.Fatal(err)
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}
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if len(bs0) != 3*1<<randomBlockShift {
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t.Error("wrong number of bytes:", len(bs0))
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}
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// Read again, starting at an odd offset
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fd.Seek(0, io.SeekStart)
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buf0 := make([]byte, 12345)
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n, _ := fd.Read(buf0)
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if n != len(buf0) {
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t.Fatal("short read")
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}
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buf1, err := io.ReadAll(fd)
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if err != nil {
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t.Fatal(err)
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}
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if len(buf1) != 3*1<<randomBlockShift-len(buf0) {
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t.Error("wrong number of bytes:", len(buf1))
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}
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bs1 := append(buf0, buf1...)
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if !bytes.Equal(bs0, bs1) {
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t.Error("data mismatch")
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}
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// Read large block with ReadAt
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bs2 := make([]byte, 3*1<<randomBlockShift)
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_, err = fd.ReadAt(bs2, 0)
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if err != nil {
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t.Fatal(err)
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}
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if !bytes.Equal(bs0, bs2) {
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t.Error("data mismatch")
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}
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}
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type testFS struct {
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name string
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fs Filesystem
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}
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type test struct {
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name string
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impl func(t *testing.T, fs Filesystem)
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}
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func TestFakeFSCaseSensitive(t *testing.T) {
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var tests = []test{
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{"Read", testFakeFSRead},
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{"OpenFile", testFakeFSOpenFile},
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{"RemoveAll", testFakeFSRemoveAll},
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{"Remove", testFakeFSRemove},
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{"Rename", testFakeFSRename},
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{"Mkdir", testFakeFSMkdir},
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{"SameFile", testFakeFSSameFile},
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{"DirNames", testDirNames},
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{"FileName", testFakeFSFileName},
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}
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var filesystems = []testFS{
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{"fakeFS", newFakeFilesystem("/foo")},
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}
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testDir, sensitive := createTestDir(t)
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defer removeTestDir(t, testDir)
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if sensitive {
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filesystems = append(filesystems, testFS{runtime.GOOS, newBasicFilesystem(testDir)})
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}
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runTests(t, tests, filesystems)
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}
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func TestFakeFSCaseInsensitive(t *testing.T) {
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var tests = []test{
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{"Read", testFakeFSRead},
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{"OpenFile", testFakeFSOpenFile},
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{"RemoveAll", testFakeFSRemoveAll},
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{"Remove", testFakeFSRemove},
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{"Mkdir", testFakeFSMkdir},
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{"SameFile", testFakeFSSameFile},
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{"DirNames", testDirNames},
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{"FileName", testFakeFSFileName},
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{"GeneralInsens", testFakeFSCaseInsensitive},
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{"MkdirAllInsens", testFakeFSCaseInsensitiveMkdirAll},
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{"StatInsens", testFakeFSStatInsens},
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{"RenameInsens", testFakeFSRenameInsensitive},
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{"MkdirInsens", testFakeFSMkdirInsens},
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{"OpenFileInsens", testFakeFSOpenFileInsens},
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{"RemoveAllInsens", testFakeFSRemoveAllInsens},
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{"RemoveInsens", testFakeFSRemoveInsens},
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{"SameFileInsens", testFakeFSSameFileInsens},
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{"CreateInsens", testFakeFSCreateInsens},
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{"FileNameInsens", testFakeFSFileNameInsens},
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}
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var filesystems = []testFS{
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{"fakeFS", newFakeFilesystem("/foobar?insens=true")},
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}
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testDir, sensitive := createTestDir(t)
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defer removeTestDir(t, testDir)
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if !sensitive {
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filesystems = append(filesystems, testFS{runtime.GOOS, newBasicFilesystem(testDir)})
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}
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runTests(t, tests, filesystems)
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}
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func createTestDir(t *testing.T) (string, bool) {
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t.Helper()
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testDir, err := os.MkdirTemp("", "")
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if err != nil {
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t.Fatalf("could not create temporary dir for testing: %s", err)
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}
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if fd, err := os.Create(filepath.Join(testDir, ".stfolder")); err != nil {
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t.Fatalf("could not create .stfolder: %s", err)
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} else {
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fd.Close()
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}
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var sensitive bool
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if f, err := os.Open(filepath.Join(testDir, ".STfolder")); err != nil {
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sensitive = true
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} else {
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defer f.Close()
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}
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return testDir, sensitive
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}
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func removeTestDir(t *testing.T, testDir string) {
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t.Helper()
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if err := os.RemoveAll(testDir); err != nil {
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t.Fatalf("could not remove test directory: %s", err)
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}
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}
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func runTests(t *testing.T, tests []test, filesystems []testFS) {
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for _, filesystem := range filesystems {
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for _, test := range tests {
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name := fmt.Sprintf("%s_%s", test.name, filesystem.name)
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t.Run(name, func(t *testing.T) {
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test.impl(t, filesystem.fs)
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if err := cleanup(filesystem.fs); err != nil {
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t.Errorf("cleanup failed: %s", err)
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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 testFakeFSCaseInsensitive(t *testing.T, fs Filesystem) {
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bs1 := []byte("test")
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err := fs.Mkdir("/fUbar", 0755)
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if err != nil {
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t.Fatal(err)
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}
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fd1, err := fs.Create("fuBAR/SISYPHOS")
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if err != nil {
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t.Fatalf("could not create file: %s", err)
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}
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defer fd1.Close()
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_, err = fd1.Write(bs1)
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if err != nil {
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t.Fatal(err)
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}
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// Try reading from the same file with different filenames
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fd2, err := fs.Open("Fubar/Sisyphos")
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if err != nil {
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t.Fatalf("could not open file by its case-differing filename: %s", err)
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}
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defer fd2.Close()
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if _, err := fd2.Seek(0, io.SeekStart); err != nil {
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t.Fatal(err)
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}
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bs2, err := io.ReadAll(fd2)
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if err != nil {
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t.Fatal(err)
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}
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if len(bs1) != len(bs2) {
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t.Errorf("wrong number of bytes, expected %d, got %d", len(bs1), len(bs2))
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}
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}
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func testFakeFSCaseInsensitiveMkdirAll(t *testing.T, fs Filesystem) {
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err := fs.MkdirAll("/fOO/Bar/bAz", 0755)
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if err != nil {
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t.Fatal(err)
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}
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fd, err := fs.OpenFile("/foo/BaR/BaZ/tESt", os.O_CREATE, 0644)
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if err != nil {
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t.Fatal(err)
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}
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if err = fd.Close(); err != nil {
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t.Fatal(err)
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}
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if err = fs.Rename("/FOO/BAR/baz/tesT", "/foo/baR/BAZ/Qux"); err != nil {
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t.Fatal(err)
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}
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}
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func testDirNames(t *testing.T, fs Filesystem) {
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filenames := []string{"fOO", "Bar", "baz"}
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for _, filename := range filenames {
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if fd, err := fs.Create("/" + filename); err != nil {
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t.Errorf("Could not create %s: %s", filename, err)
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} else {
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fd.Close()
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}
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}
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assertDir(t, fs, "/", filenames)
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}
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func assertDir(t *testing.T, fs Filesystem, directory string, filenames []string) {
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t.Helper()
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got, err := fs.DirNames(directory)
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if err != nil {
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t.Fatal(err)
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}
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if path.Clean(directory) == "/" {
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filenames = append(filenames, ".stfolder")
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}
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sort.Strings(filenames)
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sort.Strings(got)
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if len(filenames) != len(got) {
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t.Errorf("want %s, got %s", filenames, got)
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return
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}
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for i := range filenames {
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if filenames[i] != got[i] {
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t.Errorf("want %s, got %s", filenames, got)
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return
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}
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}
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}
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func testFakeFSStatInsens(t *testing.T, fs Filesystem) {
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// this is to test that neither fs.Stat nor fd.Stat change the filename
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// both in directory and in previous Stat results
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fd1, err := fs.Create("aAa")
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if err != nil {
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t.Fatal(err)
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}
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defer fd1.Close()
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info1, err := fs.Stat("AAA")
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if err != nil {
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t.Fatal(err)
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}
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if _, err = fs.Stat("AaA"); err != nil {
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t.Fatal(err)
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}
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info2, err := fd1.Stat()
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if err != nil {
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t.Fatal(err)
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}
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fd2, err := fs.Open("aaa")
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if err != nil {
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t.Fatal(err)
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}
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defer fd2.Close()
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if _, err = fd2.Stat(); err != nil {
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t.Fatal(err)
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}
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if info1.Name() != "AAA" {
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t.Errorf("want AAA, got %s", info1.Name())
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}
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if info2.Name() != "aAa" {
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t.Errorf("want aAa, got %s", info2.Name())
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}
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assertDir(t, fs, "/", []string{"aAa"})
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}
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func testFakeFSFileName(t *testing.T, fs Filesystem) {
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var testCases = []struct {
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create string
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open string
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}{
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{"bar", "bar"},
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}
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for _, testCase := range testCases {
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if fd, err := fs.Create(testCase.create); err != nil {
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t.Fatal(err)
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} else {
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fd.Close()
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}
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fd, err := fs.Open(testCase.open)
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if err != nil {
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t.Fatal(err)
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}
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defer fd.Close()
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if got := fd.Name(); got != testCase.open {
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t.Errorf("want %s, got %s", testCase.open, got)
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}
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}
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}
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func testFakeFSFileNameInsens(t *testing.T, fs Filesystem) {
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var testCases = []struct {
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create string
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open string
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}{
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{"BaZ", "bAz"},
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}
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for _, testCase := range testCases {
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fd, err := fs.Create(testCase.create)
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if err != nil {
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t.Fatal(err)
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}
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fd.Close()
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fd, err = fs.Open(testCase.open)
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if err != nil {
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t.Fatal(err)
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}
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defer fd.Close()
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if got := fd.Name(); got != testCase.open {
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t.Errorf("want %s, got %s", testCase.open, got)
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}
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}
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}
|
|
|
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func testFakeFSRename(t *testing.T, fs Filesystem) {
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if err := fs.MkdirAll("/foo/bar/baz", 0755); err != nil {
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t.Fatal(err)
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}
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fd, err := fs.Create("/foo/bar/baz/qux")
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if err != nil {
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t.Fatal(err)
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}
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fd.Close()
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if err := fs.Rename("/foo/bar/baz/qux", "/foo/notthere/qux"); err == nil {
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t.Errorf("rename to non-existent dir gave no error")
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}
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if err := fs.MkdirAll("/baz/bar/foo", 0755); err != nil {
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t.Fatal(err)
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}
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if err := fs.Rename("/foo/bar/baz/qux", "/baz/bar/foo/qux"); err != nil {
|
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t.Fatal(err)
|
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}
|
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|
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var dirs = []struct {
|
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dir string
|
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files []string
|
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}{
|
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{dir: "/", files: []string{"foo", "baz"}},
|
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{dir: "/foo", files: []string{"bar"}},
|
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{dir: "/foo/bar/baz", files: []string{}},
|
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{dir: "/baz/bar/foo", files: []string{"qux"}},
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}
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|
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for _, dir := range dirs {
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assertDir(t, fs, dir.dir, dir.files)
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}
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|
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if err := fs.Rename("/baz/bar/foo", "/baz/bar/FOO"); err != nil {
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t.Fatal(err)
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}
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|
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assertDir(t, fs, "/baz/bar", []string{"FOO"})
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assertDir(t, fs, "/baz/bar/FOO", []string{"qux"})
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}
|
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|
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func testFakeFSRenameInsensitive(t *testing.T, fs Filesystem) {
|
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if err := fs.MkdirAll("/baz/bar/foo", 0755); err != nil {
|
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t.Fatal(err)
|
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}
|
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|
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if err := fs.MkdirAll("/foO/baR/baZ", 0755); err != nil {
|
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t.Fatal(err)
|
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}
|
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|
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fd, err := fs.Create("/BAZ/BAR/FOO/QUX")
|
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if err != nil {
|
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t.Fatal(err)
|
|
}
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|
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fd.Close()
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|
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if err := fs.Rename("/Baz/bAr/foO/QuX", "/Foo/Bar/Baz/qUUx"); err != nil {
|
|
t.Fatal(err)
|
|
}
|
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|
|
var dirs = []struct {
|
|
dir string
|
|
files []string
|
|
}{
|
|
{dir: "/", files: []string{"foO", "baz"}},
|
|
{dir: "/foo", files: []string{"baR"}},
|
|
{dir: "/foo/bar/baz", files: []string{"qUUx"}},
|
|
{dir: "/baz/bar/foo", files: []string{}},
|
|
}
|
|
|
|
for _, dir := range dirs {
|
|
assertDir(t, fs, dir.dir, dir.files)
|
|
}
|
|
|
|
// not checking on darwin due to https://github.com/golang/go/issues/35222
|
|
if runtime.GOOS != "darwin" {
|
|
if err := fs.Rename("/foo/bar/BAZ", "/FOO/BAR/bAz"); err != nil {
|
|
t.Errorf("Could not perform in-place case-only directory rename: %s", err)
|
|
}
|
|
|
|
assertDir(t, fs, "/foo/bar", []string{"bAz"})
|
|
assertDir(t, fs, "/fOO/bAr/baz", []string{"qUUx"})
|
|
}
|
|
|
|
if err := fs.Rename("foo/bar/baz/quux", "foo/bar/BaZ/Quux"); err != nil {
|
|
t.Errorf("File rename failed: %s", err)
|
|
}
|
|
|
|
assertDir(t, fs, "/FOO/BAR/BAZ", []string{"Quux"})
|
|
}
|
|
|
|
func testFakeFSMkdir(t *testing.T, fs Filesystem) {
|
|
if err := fs.Mkdir("/foo", 0755); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
if _, err := fs.Stat("/foo"); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
if err := fs.Mkdir("/foo", 0755); err == nil {
|
|
t.Errorf("got no error while creating existing directory")
|
|
}
|
|
}
|
|
|
|
func testFakeFSMkdirInsens(t *testing.T, fs Filesystem) {
|
|
if err := fs.Mkdir("/foo", 0755); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
if _, err := fs.Stat("/Foo"); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
if err := fs.Mkdir("/FOO", 0755); err == nil {
|
|
t.Errorf("got no error while creating existing directory")
|
|
}
|
|
}
|
|
|
|
func testFakeFSOpenFile(t *testing.T, fs Filesystem) {
|
|
fd, err := fs.OpenFile("foobar", os.O_RDONLY, 0664)
|
|
if err == nil {
|
|
fd.Close()
|
|
t.Fatalf("got no error opening a non-existing file")
|
|
}
|
|
|
|
fd, err = fs.OpenFile("foobar", os.O_RDWR|os.O_CREATE, 0664)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
fd.Close()
|
|
|
|
fd, err = fs.OpenFile("foobar", os.O_RDWR|os.O_CREATE|os.O_EXCL, 0664)
|
|
if err == nil {
|
|
fd.Close()
|
|
t.Fatalf("created an existing file while told not to")
|
|
}
|
|
|
|
fd, err = fs.OpenFile("foobar", os.O_RDWR|os.O_CREATE, 0664)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
fd.Close()
|
|
|
|
fd, err = fs.OpenFile("foobar", os.O_RDWR, 0664)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
fd.Close()
|
|
}
|
|
|
|
func testFakeFSOpenFileInsens(t *testing.T, fs Filesystem) {
|
|
fd, err := fs.OpenFile("FooBar", os.O_RDONLY, 0664)
|
|
if err == nil {
|
|
fd.Close()
|
|
t.Fatalf("got no error opening a non-existing file")
|
|
}
|
|
|
|
fd, err = fs.OpenFile("fOObar", os.O_RDWR|os.O_CREATE, 0664)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
fd.Close()
|
|
|
|
fd, err = fs.OpenFile("fOoBaR", os.O_RDWR|os.O_CREATE|os.O_EXCL, 0664)
|
|
if err == nil {
|
|
fd.Close()
|
|
t.Fatalf("created an existing file while told not to")
|
|
}
|
|
|
|
fd, err = fs.OpenFile("FoObAr", os.O_RDWR|os.O_CREATE, 0664)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
fd.Close()
|
|
|
|
fd, err = fs.OpenFile("FOOBAR", os.O_RDWR, 0664)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
fd.Close()
|
|
}
|
|
|
|
func testFakeFSRemoveAll(t *testing.T, fs Filesystem) {
|
|
if err := fs.Mkdir("/foo", 0755); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
filenames := []string{"bar", "baz", "qux"}
|
|
for _, filename := range filenames {
|
|
fd, err := fs.Create("/foo/" + filename)
|
|
if err != nil {
|
|
t.Fatalf("Could not create %s: %s", filename, err)
|
|
} else {
|
|
fd.Close()
|
|
}
|
|
}
|
|
|
|
if err := fs.RemoveAll("/foo"); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
if _, err := fs.Stat("/foo"); err == nil {
|
|
t.Errorf("this should be an error, as file doesn not exist anymore")
|
|
}
|
|
|
|
if err := fs.RemoveAll("/foo/bar"); err != nil {
|
|
t.Errorf("real systems don't return error here")
|
|
}
|
|
}
|
|
|
|
func testFakeFSRemoveAllInsens(t *testing.T, fs Filesystem) {
|
|
if err := fs.Mkdir("/Foo", 0755); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
filenames := []string{"bar", "baz", "qux"}
|
|
for _, filename := range filenames {
|
|
fd, err := fs.Create("/FOO/" + filename)
|
|
if err != nil {
|
|
t.Fatalf("Could not create %s: %s", filename, err)
|
|
}
|
|
fd.Close()
|
|
}
|
|
|
|
if err := fs.RemoveAll("/fOo"); err != nil {
|
|
t.Errorf("Could not remove dir: %s", err)
|
|
}
|
|
|
|
if _, err := fs.Stat("/foo"); err == nil {
|
|
t.Errorf("this should be an error, as file doesn not exist anymore")
|
|
}
|
|
|
|
if err := fs.RemoveAll("/foO/bAr"); err != nil {
|
|
t.Errorf("real systems don't return error here")
|
|
}
|
|
}
|
|
|
|
func testFakeFSRemove(t *testing.T, fs Filesystem) {
|
|
if err := fs.Mkdir("/Foo", 0755); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
fd, err := fs.Create("/Foo/Bar")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
} else {
|
|
fd.Close()
|
|
}
|
|
|
|
if err := fs.Remove("/Foo"); err == nil {
|
|
t.Errorf("not empty, should give error")
|
|
}
|
|
|
|
if err := fs.Remove("/Foo/Bar"); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
if err := fs.Remove("/Foo"); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}
|
|
|
|
func testFakeFSRemoveInsens(t *testing.T, fs Filesystem) {
|
|
if err := fs.Mkdir("/Foo", 0755); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
fd, err := fs.Create("/Foo/Bar")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
fd.Close()
|
|
|
|
if err := fs.Remove("/FOO"); err == nil {
|
|
t.Errorf("not empty, should give error")
|
|
}
|
|
|
|
if err := fs.Remove("/Foo/BaR"); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
if err := fs.Remove("/FoO"); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}
|
|
|
|
func testFakeFSSameFile(t *testing.T, fs Filesystem) {
|
|
if err := fs.Mkdir("/Foo", 0755); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
filenames := []string{"Bar", "Baz", "/Foo/Bar"}
|
|
for _, filename := range filenames {
|
|
if fd, err := fs.Create(filename); err != nil {
|
|
t.Fatalf("Could not create %s: %s", filename, err)
|
|
} else {
|
|
fd.Close()
|
|
if runtime.GOOS == "windows" {
|
|
time.Sleep(1 * time.Millisecond)
|
|
}
|
|
}
|
|
}
|
|
|
|
testCases := []struct {
|
|
f1 string
|
|
f2 string
|
|
want bool
|
|
}{
|
|
{"Bar", "Baz", false},
|
|
{"Bar", "/Foo/Bar", false},
|
|
{"Bar", "Bar", true},
|
|
}
|
|
|
|
for _, test := range testCases {
|
|
assertSameFile(t, fs, test.f1, test.f2, test.want)
|
|
}
|
|
}
|
|
|
|
func testFakeFSSameFileInsens(t *testing.T, fs Filesystem) {
|
|
if err := fs.Mkdir("/Foo", 0755); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
filenames := []string{"Bar", "Baz"}
|
|
for _, filename := range filenames {
|
|
fd, err := fs.Create(filename)
|
|
if err != nil {
|
|
t.Errorf("Could not create %s: %s", filename, err)
|
|
}
|
|
fd.Close()
|
|
}
|
|
|
|
testCases := []struct {
|
|
f1 string
|
|
f2 string
|
|
want bool
|
|
}{
|
|
{"bAr", "baZ", false},
|
|
{"baz", "BAZ", true},
|
|
}
|
|
|
|
for _, test := range testCases {
|
|
assertSameFile(t, fs, test.f1, test.f2, test.want)
|
|
}
|
|
}
|
|
|
|
func assertSameFile(t *testing.T, fs Filesystem, f1, f2 string, want bool) {
|
|
t.Helper()
|
|
|
|
fi1, err := fs.Stat(f1)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
fi2, err := fs.Stat(f2)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
got := fs.SameFile(fi1, fi2)
|
|
if got != want {
|
|
t.Errorf("for \"%s\" and \"%s\" want SameFile %v, got %v", f1, f2, want, got)
|
|
}
|
|
}
|
|
|
|
func testFakeFSCreateInsens(t *testing.T, fs Filesystem) {
|
|
fd1, err := fs.Create("FOO")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
defer fd1.Close()
|
|
|
|
fd2, err := fs.Create("fOo")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
defer fd2.Close()
|
|
|
|
if fd1.Name() != "FOO" {
|
|
t.Errorf("name of the file created as \"FOO\" is %s", fd1.Name())
|
|
}
|
|
|
|
if fd2.Name() != "fOo" {
|
|
t.Errorf("name of created file \"fOo\" is %s", fd2.Name())
|
|
}
|
|
|
|
// one would expect DirNames to show the last wrapperType, but in fact it shows
|
|
// the original one
|
|
assertDir(t, fs, "/", []string{"FOO"})
|
|
}
|
|
|
|
func TestReadWriteContent(t *testing.T) {
|
|
fs := newFakeFilesystem("foo?content=true")
|
|
fd, err := fs.Create("file")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
if _, err := fd.Write([]byte("foo")); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if _, err := fd.WriteAt([]byte("bar"), 5); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
expected := []byte("foo\x00\x00bar")
|
|
|
|
buf := make([]byte, len(expected)-1)
|
|
n, err := fd.ReadAt(buf, 1) // note offset one byte
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if n != len(expected)-1 {
|
|
t.Fatal("wrong number of bytes read")
|
|
}
|
|
if !bytes.Equal(buf[:n], expected[1:]) {
|
|
fmt.Printf("%d %q\n", n, buf[:n])
|
|
t.Error("wrong data in file")
|
|
}
|
|
}
|
|
|
|
func cleanup(fs Filesystem) error {
|
|
filenames, _ := fs.DirNames("/")
|
|
for _, filename := range filenames {
|
|
if filename != ".stfolder" {
|
|
if err := fs.RemoveAll(filename); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
}
|
|
|
|
return nil
|
|
}
|