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- // Copyright 2020 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 fs
- import (
- "os"
- "testing"
- )
- func TestMockFs_LstatStatSymlinks(t *testing.T) {
- // setup filesystem
- filesystem := NewMockFs(nil)
- Create(t, "/tmp/realdir/hi.txt", filesystem)
- Create(t, "/tmp/realdir/ignoreme.txt", filesystem)
- Link(t, "/tmp/links/dir", "../realdir", filesystem)
- Link(t, "/tmp/links/file", "../realdir/hi.txt", filesystem)
- Link(t, "/tmp/links/broken", "nothingHere", filesystem)
- Link(t, "/tmp/links/recursive", "recursive", filesystem)
- assertStat := func(t *testing.T, stat os.FileInfo, err error, wantName string, wantMode os.FileMode) {
- t.Helper()
- if err != nil {
- t.Error(err)
- return
- }
- if g, w := stat.Name(), wantName; g != w {
- t.Errorf("want name %q, got %q", w, g)
- }
- if g, w := stat.Mode(), wantMode; g != w {
- t.Errorf("%s: want mode %q, got %q", wantName, w, g)
- }
- }
- assertErr := func(t *testing.T, err error, wantErr string) {
- if err == nil || err.Error() != wantErr {
- t.Errorf("want error %q, got %q", wantErr, err)
- }
- }
- stat, err := filesystem.Lstat("/tmp/links/dir")
- assertStat(t, stat, err, "dir", os.ModeSymlink)
- stat, err = filesystem.Stat("/tmp/links/dir")
- assertStat(t, stat, err, "realdir", os.ModeDir)
- stat, err = filesystem.Lstat("/tmp/links/file")
- assertStat(t, stat, err, "file", os.ModeSymlink)
- stat, err = filesystem.Stat("/tmp/links/file")
- assertStat(t, stat, err, "hi.txt", 0)
- stat, err = filesystem.Lstat("/tmp/links/broken")
- assertStat(t, stat, err, "broken", os.ModeSymlink)
- stat, err = filesystem.Stat("/tmp/links/broken")
- assertErr(t, err, "stat /tmp/links/nothingHere: file does not exist")
- stat, err = filesystem.Lstat("/tmp/links/recursive")
- assertStat(t, stat, err, "recursive", os.ModeSymlink)
- stat, err = filesystem.Stat("/tmp/links/recursive")
- assertErr(t, err, "read /tmp/links/recursive: too many levels of symbolic links")
- }
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