You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
568 lines
13 KiB
568 lines
13 KiB
// Copyright 2018 Google Inc. All rights reserved.
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
package pathtools
|
|
|
|
import (
|
|
"os"
|
|
"path/filepath"
|
|
"reflect"
|
|
"syscall"
|
|
"testing"
|
|
)
|
|
|
|
const testdataDir = "testdata/dangling"
|
|
|
|
func symlinkMockFs() *mockFs {
|
|
files := []string{
|
|
"a/a/a",
|
|
"a/a/f -> ../../f",
|
|
"b -> a",
|
|
"c -> a/a",
|
|
"d -> c",
|
|
"e -> a/a/a",
|
|
"dangling -> missing",
|
|
"f",
|
|
}
|
|
|
|
mockFiles := make(map[string][]byte)
|
|
|
|
for _, f := range files {
|
|
mockFiles[f] = nil
|
|
mockFiles[filepath.Join(pwd, "testdata", f)] = nil
|
|
}
|
|
|
|
return MockFs(mockFiles).(*mockFs)
|
|
}
|
|
|
|
func TestMockFs_followSymlinks(t *testing.T) {
|
|
|
|
testCases := []struct {
|
|
from, to string
|
|
}{
|
|
{".", "."},
|
|
{"/", "/"},
|
|
|
|
{"a", "a"},
|
|
{"a/a", "a/a"},
|
|
{"a/a/a", "a/a/a"},
|
|
{"a/a/f", "f"},
|
|
|
|
{"b", "a"},
|
|
{"b/a", "a/a"},
|
|
{"b/a/a", "a/a/a"},
|
|
{"b/a/f", "f"},
|
|
|
|
{"c/a", "a/a/a"},
|
|
{"c/f", "f"},
|
|
|
|
{"d/a", "a/a/a"},
|
|
{"d/f", "f"},
|
|
|
|
{"e", "a/a/a"},
|
|
|
|
{"f", "f"},
|
|
|
|
{"dangling", "missing"},
|
|
|
|
{"a/missing", "a/missing"},
|
|
{"b/missing", "a/missing"},
|
|
{"c/missing", "a/a/missing"},
|
|
{"d/missing", "a/a/missing"},
|
|
{"e/missing", "a/a/a/missing"},
|
|
{"dangling/missing", "missing/missing"},
|
|
|
|
{"a/missing/missing", "a/missing/missing"},
|
|
{"b/missing/missing", "a/missing/missing"},
|
|
{"c/missing/missing", "a/a/missing/missing"},
|
|
{"d/missing/missing", "a/a/missing/missing"},
|
|
{"e/missing/missing", "a/a/a/missing/missing"},
|
|
{"dangling/missing/missing", "missing/missing/missing"},
|
|
}
|
|
|
|
mock := symlinkMockFs()
|
|
|
|
for _, test := range testCases {
|
|
t.Run(test.from, func(t *testing.T) {
|
|
got := mock.followSymlinks(test.from)
|
|
if got != test.to {
|
|
t.Errorf("want: %v, got %v", test.to, got)
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
func runTestFs(t *testing.T, f func(t *testing.T, fs FileSystem, dir string)) {
|
|
mock := symlinkMockFs()
|
|
wd, _ := os.Getwd()
|
|
absTestDataDir := filepath.Join(wd, testdataDir)
|
|
|
|
run := func(t *testing.T, fs FileSystem) {
|
|
t.Run("relpath", func(t *testing.T) {
|
|
f(t, fs, "")
|
|
})
|
|
t.Run("abspath", func(t *testing.T) {
|
|
f(t, fs, absTestDataDir)
|
|
})
|
|
}
|
|
|
|
t.Run("mock", func(t *testing.T) {
|
|
f(t, mock, "")
|
|
})
|
|
|
|
t.Run("os", func(t *testing.T) {
|
|
os.Chdir(absTestDataDir)
|
|
defer os.Chdir(wd)
|
|
run(t, OsFs)
|
|
})
|
|
|
|
t.Run("os relative srcDir", func(t *testing.T) {
|
|
run(t, NewOsFs(testdataDir))
|
|
})
|
|
|
|
t.Run("os absolute srcDir", func(t *testing.T) {
|
|
os.Chdir("/")
|
|
defer os.Chdir(wd)
|
|
run(t, NewOsFs(filepath.Join(wd, testdataDir)))
|
|
})
|
|
|
|
}
|
|
|
|
func TestFs_IsDir(t *testing.T) {
|
|
testCases := []struct {
|
|
name string
|
|
isDir bool
|
|
err error
|
|
}{
|
|
{"a", true, nil},
|
|
{"a/a", true, nil},
|
|
{"a/a/a", false, nil},
|
|
{"a/a/f", false, nil},
|
|
|
|
{"b", true, nil},
|
|
{"b/a", true, nil},
|
|
{"b/a/a", false, nil},
|
|
{"b/a/f", false, nil},
|
|
|
|
{"c", true, nil},
|
|
{"c/a", false, nil},
|
|
{"c/f", false, nil},
|
|
|
|
{"d", true, nil},
|
|
{"d/a", false, nil},
|
|
{"d/f", false, nil},
|
|
|
|
{"e", false, nil},
|
|
|
|
{"f", false, nil},
|
|
|
|
{"dangling", false, os.ErrNotExist},
|
|
|
|
{"a/missing", false, os.ErrNotExist},
|
|
{"b/missing", false, os.ErrNotExist},
|
|
{"c/missing", false, os.ErrNotExist},
|
|
{"d/missing", false, os.ErrNotExist},
|
|
{"e/missing", false, syscall.ENOTDIR},
|
|
{"dangling/missing", false, os.ErrNotExist},
|
|
|
|
{"a/missing/missing", false, os.ErrNotExist},
|
|
{"b/missing/missing", false, os.ErrNotExist},
|
|
{"c/missing/missing", false, os.ErrNotExist},
|
|
{"d/missing/missing", false, os.ErrNotExist},
|
|
{"e/missing/missing", false, syscall.ENOTDIR},
|
|
{"dangling/missing/missing", false, os.ErrNotExist},
|
|
|
|
{"c/f/missing", false, syscall.ENOTDIR},
|
|
}
|
|
|
|
runTestFs(t, func(t *testing.T, fs FileSystem, dir string) {
|
|
for _, test := range testCases {
|
|
t.Run(test.name, func(t *testing.T) {
|
|
got, err := fs.IsDir(filepath.Join(dir, test.name))
|
|
checkErr(t, test.err, err)
|
|
if got != test.isDir {
|
|
t.Errorf("want: %v, got %v", test.isDir, got)
|
|
}
|
|
})
|
|
}
|
|
})
|
|
}
|
|
|
|
func TestFs_ListDirsRecursiveFollowSymlinks(t *testing.T) {
|
|
testCases := []struct {
|
|
name string
|
|
dirs []string
|
|
err error
|
|
}{
|
|
{".", []string{".", "a", "a/a", "b", "b/a", "c", "d"}, nil},
|
|
|
|
{"a", []string{"a", "a/a"}, nil},
|
|
{"a/a", []string{"a/a"}, nil},
|
|
{"a/a/a", nil, nil},
|
|
|
|
{"b", []string{"b", "b/a"}, nil},
|
|
{"b/a", []string{"b/a"}, nil},
|
|
{"b/a/a", nil, nil},
|
|
|
|
{"c", []string{"c"}, nil},
|
|
{"c/a", nil, nil},
|
|
|
|
{"d", []string{"d"}, nil},
|
|
{"d/a", nil, nil},
|
|
|
|
{"e", nil, nil},
|
|
|
|
{"dangling", nil, os.ErrNotExist},
|
|
|
|
{"missing", nil, os.ErrNotExist},
|
|
}
|
|
|
|
runTestFs(t, func(t *testing.T, fs FileSystem, dir string) {
|
|
for _, test := range testCases {
|
|
t.Run(test.name, func(t *testing.T) {
|
|
got, err := fs.ListDirsRecursive(filepath.Join(dir, test.name), FollowSymlinks)
|
|
checkErr(t, test.err, err)
|
|
want := append([]string(nil), test.dirs...)
|
|
for i := range want {
|
|
want[i] = filepath.Join(dir, want[i])
|
|
}
|
|
if !reflect.DeepEqual(got, want) {
|
|
t.Errorf("want: %v, got %v", want, got)
|
|
}
|
|
})
|
|
}
|
|
})
|
|
}
|
|
|
|
func TestFs_ListDirsRecursiveDontFollowSymlinks(t *testing.T) {
|
|
testCases := []struct {
|
|
name string
|
|
dirs []string
|
|
err error
|
|
}{
|
|
{".", []string{".", "a", "a/a"}, nil},
|
|
|
|
{"a", []string{"a", "a/a"}, nil},
|
|
{"a/a", []string{"a/a"}, nil},
|
|
{"a/a/a", nil, nil},
|
|
|
|
{"b", []string{"b", "b/a"}, nil},
|
|
{"b/a", []string{"b/a"}, nil},
|
|
{"b/a/a", nil, nil},
|
|
|
|
{"c", []string{"c"}, nil},
|
|
{"c/a", nil, nil},
|
|
|
|
{"d", []string{"d"}, nil},
|
|
{"d/a", nil, nil},
|
|
|
|
{"e", nil, nil},
|
|
|
|
{"dangling", nil, os.ErrNotExist},
|
|
|
|
{"missing", nil, os.ErrNotExist},
|
|
}
|
|
|
|
runTestFs(t, func(t *testing.T, fs FileSystem, dir string) {
|
|
for _, test := range testCases {
|
|
t.Run(test.name, func(t *testing.T) {
|
|
got, err := fs.ListDirsRecursive(filepath.Join(dir, test.name), DontFollowSymlinks)
|
|
checkErr(t, test.err, err)
|
|
want := append([]string(nil), test.dirs...)
|
|
for i := range want {
|
|
want[i] = filepath.Join(dir, want[i])
|
|
}
|
|
if !reflect.DeepEqual(got, want) {
|
|
t.Errorf("want: %v, got %v", want, got)
|
|
}
|
|
})
|
|
}
|
|
})
|
|
}
|
|
|
|
func TestFs_Readlink(t *testing.T) {
|
|
testCases := []struct {
|
|
from, to string
|
|
err error
|
|
}{
|
|
{".", "", syscall.EINVAL},
|
|
{"/", "", syscall.EINVAL},
|
|
|
|
{"a", "", syscall.EINVAL},
|
|
{"a/a", "", syscall.EINVAL},
|
|
{"a/a/a", "", syscall.EINVAL},
|
|
{"a/a/f", "../../f", nil},
|
|
|
|
{"b", "a", nil},
|
|
{"b/a", "", syscall.EINVAL},
|
|
{"b/a/a", "", syscall.EINVAL},
|
|
{"b/a/f", "../../f", nil},
|
|
|
|
{"c", "a/a", nil},
|
|
{"c/a", "", syscall.EINVAL},
|
|
{"c/f", "../../f", nil},
|
|
|
|
{"d/a", "", syscall.EINVAL},
|
|
{"d/f", "../../f", nil},
|
|
|
|
{"e", "a/a/a", nil},
|
|
|
|
{"f", "", syscall.EINVAL},
|
|
|
|
{"dangling", "missing", nil},
|
|
|
|
{"a/missing", "", os.ErrNotExist},
|
|
{"b/missing", "", os.ErrNotExist},
|
|
{"c/missing", "", os.ErrNotExist},
|
|
{"d/missing", "", os.ErrNotExist},
|
|
{"e/missing", "", os.ErrNotExist},
|
|
{"dangling/missing", "", os.ErrNotExist},
|
|
|
|
{"a/missing/missing", "", os.ErrNotExist},
|
|
{"b/missing/missing", "", os.ErrNotExist},
|
|
{"c/missing/missing", "", os.ErrNotExist},
|
|
{"d/missing/missing", "", os.ErrNotExist},
|
|
{"e/missing/missing", "", os.ErrNotExist},
|
|
{"dangling/missing/missing", "", os.ErrNotExist},
|
|
}
|
|
|
|
runTestFs(t, func(t *testing.T, fs FileSystem, dir string) {
|
|
for _, test := range testCases {
|
|
t.Run(test.from, func(t *testing.T) {
|
|
got, err := fs.Readlink(test.from)
|
|
checkErr(t, test.err, err)
|
|
if got != test.to {
|
|
t.Errorf("fs.Readlink(%q) want: %q, got %q", test.from, test.to, got)
|
|
}
|
|
})
|
|
}
|
|
})
|
|
}
|
|
|
|
func TestFs_Lstat(t *testing.T) {
|
|
testCases := []struct {
|
|
name string
|
|
mode os.FileMode
|
|
size int64
|
|
err error
|
|
}{
|
|
{".", os.ModeDir, 0, nil},
|
|
{"/", os.ModeDir, 0, nil},
|
|
|
|
{"a", os.ModeDir, 0, nil},
|
|
{"a/a", os.ModeDir, 0, nil},
|
|
{"a/a/a", 0, 0, nil},
|
|
{"a/a/f", os.ModeSymlink, 7, nil},
|
|
|
|
{"b", os.ModeSymlink, 1, nil},
|
|
{"b/a", os.ModeDir, 0, nil},
|
|
{"b/a/a", 0, 0, nil},
|
|
{"b/a/f", os.ModeSymlink, 7, nil},
|
|
|
|
{"c", os.ModeSymlink, 3, nil},
|
|
{"c/a", 0, 0, nil},
|
|
{"c/f", os.ModeSymlink, 7, nil},
|
|
|
|
{"d/a", 0, 0, nil},
|
|
{"d/f", os.ModeSymlink, 7, nil},
|
|
|
|
{"e", os.ModeSymlink, 5, nil},
|
|
|
|
{"f", 0, 0, nil},
|
|
|
|
{"dangling", os.ModeSymlink, 7, nil},
|
|
|
|
{"a/missing", 0, 0, os.ErrNotExist},
|
|
{"b/missing", 0, 0, os.ErrNotExist},
|
|
{"c/missing", 0, 0, os.ErrNotExist},
|
|
{"d/missing", 0, 0, os.ErrNotExist},
|
|
{"e/missing", 0, 0, os.ErrNotExist},
|
|
{"dangling/missing", 0, 0, os.ErrNotExist},
|
|
|
|
{"a/missing/missing", 0, 0, os.ErrNotExist},
|
|
{"b/missing/missing", 0, 0, os.ErrNotExist},
|
|
{"c/missing/missing", 0, 0, os.ErrNotExist},
|
|
{"d/missing/missing", 0, 0, os.ErrNotExist},
|
|
{"e/missing/missing", 0, 0, os.ErrNotExist},
|
|
{"dangling/missing/missing", 0, 0, os.ErrNotExist},
|
|
}
|
|
|
|
runTestFs(t, func(t *testing.T, fs FileSystem, dir string) {
|
|
for _, test := range testCases {
|
|
t.Run(test.name, func(t *testing.T) {
|
|
got, err := fs.Lstat(filepath.Join(dir, test.name))
|
|
checkErr(t, test.err, err)
|
|
if err != nil {
|
|
return
|
|
}
|
|
if got.Mode()&os.ModeType != test.mode {
|
|
t.Errorf("fs.Lstat(%q).Mode()&os.ModeType want: %x, got %x",
|
|
test.name, test.mode, got.Mode()&os.ModeType)
|
|
}
|
|
if test.mode == 0 && got.Size() != test.size {
|
|
t.Errorf("fs.Lstat(%q).Size() want: %d, got %d", test.name, test.size, got.Size())
|
|
}
|
|
})
|
|
}
|
|
})
|
|
}
|
|
|
|
func TestFs_Stat(t *testing.T) {
|
|
testCases := []struct {
|
|
name string
|
|
mode os.FileMode
|
|
size int64
|
|
err error
|
|
}{
|
|
{".", os.ModeDir, 0, nil},
|
|
{"/", os.ModeDir, 0, nil},
|
|
|
|
{"a", os.ModeDir, 0, nil},
|
|
{"a/a", os.ModeDir, 0, nil},
|
|
{"a/a/a", 0, 0, nil},
|
|
{"a/a/f", 0, 0, nil},
|
|
|
|
{"b", os.ModeDir, 0, nil},
|
|
{"b/a", os.ModeDir, 0, nil},
|
|
{"b/a/a", 0, 0, nil},
|
|
{"b/a/f", 0, 0, nil},
|
|
|
|
{"c", os.ModeDir, 0, nil},
|
|
{"c/a", 0, 0, nil},
|
|
{"c/f", 0, 0, nil},
|
|
|
|
{"d/a", 0, 0, nil},
|
|
{"d/f", 0, 0, nil},
|
|
|
|
{"e", 0, 0, nil},
|
|
|
|
{"f", 0, 0, nil},
|
|
|
|
{"dangling", 0, 0, os.ErrNotExist},
|
|
|
|
{"a/missing", 0, 0, os.ErrNotExist},
|
|
{"b/missing", 0, 0, os.ErrNotExist},
|
|
{"c/missing", 0, 0, os.ErrNotExist},
|
|
{"d/missing", 0, 0, os.ErrNotExist},
|
|
{"e/missing", 0, 0, os.ErrNotExist},
|
|
{"dangling/missing", 0, 0, os.ErrNotExist},
|
|
|
|
{"a/missing/missing", 0, 0, os.ErrNotExist},
|
|
{"b/missing/missing", 0, 0, os.ErrNotExist},
|
|
{"c/missing/missing", 0, 0, os.ErrNotExist},
|
|
{"d/missing/missing", 0, 0, os.ErrNotExist},
|
|
{"e/missing/missing", 0, 0, os.ErrNotExist},
|
|
{"dangling/missing/missing", 0, 0, os.ErrNotExist},
|
|
}
|
|
|
|
runTestFs(t, func(t *testing.T, fs FileSystem, dir string) {
|
|
for _, test := range testCases {
|
|
t.Run(test.name, func(t *testing.T) {
|
|
got, err := fs.Stat(filepath.Join(dir, test.name))
|
|
checkErr(t, test.err, err)
|
|
if err != nil {
|
|
return
|
|
}
|
|
if got.Mode()&os.ModeType != test.mode {
|
|
t.Errorf("fs.Stat(%q).Mode()&os.ModeType want: %x, got %x",
|
|
test.name, test.mode, got.Mode()&os.ModeType)
|
|
}
|
|
if test.mode == 0 && got.Size() != test.size {
|
|
t.Errorf("fs.Stat(%q).Size() want: %d, got %d", test.name, test.size, got.Size())
|
|
}
|
|
})
|
|
}
|
|
})
|
|
}
|
|
|
|
func TestMockFs_glob(t *testing.T) {
|
|
testCases := []struct {
|
|
pattern string
|
|
files []string
|
|
}{
|
|
{"*", []string{"a", "b", "c", "d", "dangling", "e", "f"}},
|
|
{"./*", []string{"a", "b", "c", "d", "dangling", "e", "f"}},
|
|
{"a", []string{"a"}},
|
|
{"a/a", []string{"a/a"}},
|
|
{"a/*", []string{"a/a"}},
|
|
{"a/a/a", []string{"a/a/a"}},
|
|
{"a/a/f", []string{"a/a/f"}},
|
|
{"a/a/*", []string{"a/a/a", "a/a/f"}},
|
|
|
|
{"b", []string{"b"}},
|
|
{"b/a", []string{"b/a"}},
|
|
{"b/*", []string{"b/a"}},
|
|
{"b/a/a", []string{"b/a/a"}},
|
|
{"b/a/f", []string{"b/a/f"}},
|
|
{"b/a/*", []string{"b/a/a", "b/a/f"}},
|
|
|
|
{"c", []string{"c"}},
|
|
{"c/a", []string{"c/a"}},
|
|
{"c/f", []string{"c/f"}},
|
|
{"c/*", []string{"c/a", "c/f"}},
|
|
|
|
{"d", []string{"d"}},
|
|
{"d/a", []string{"d/a"}},
|
|
{"d/f", []string{"d/f"}},
|
|
{"d/*", []string{"d/a", "d/f"}},
|
|
|
|
{"e", []string{"e"}},
|
|
|
|
{"dangling", []string{"dangling"}},
|
|
|
|
{"missing", nil},
|
|
}
|
|
|
|
runTestFs(t, func(t *testing.T, fs FileSystem, dir string) {
|
|
for _, test := range testCases {
|
|
t.Run(test.pattern, func(t *testing.T) {
|
|
got, err := fs.glob(test.pattern)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if !reflect.DeepEqual(got, test.files) {
|
|
t.Errorf("want: %v, got %v", test.files, got)
|
|
}
|
|
})
|
|
}
|
|
})
|
|
}
|
|
|
|
func syscallError(err error) error {
|
|
if serr, ok := err.(*os.SyscallError); ok {
|
|
return serr.Err.(syscall.Errno)
|
|
} else if serr, ok := err.(syscall.Errno); ok {
|
|
return serr
|
|
} else {
|
|
return nil
|
|
}
|
|
}
|
|
|
|
func checkErr(t *testing.T, want, got error) {
|
|
t.Helper()
|
|
if (got != nil) != (want != nil) {
|
|
t.Fatalf("want: %v, got %v", want, got)
|
|
}
|
|
|
|
if os.IsNotExist(got) == os.IsNotExist(want) {
|
|
return
|
|
}
|
|
|
|
if syscallError(got) == syscallError(want) {
|
|
return
|
|
}
|
|
|
|
t.Fatalf("want: %v, got %v", want, got)
|
|
}
|