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