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https://github.com/octoleo/syncthing.git
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a3c724f2c3
all: Add package runtimeos for runtime.GOOS comparisons I grew tired of hand written string comparisons. This adds generated constants for the GOOS values, and predefined Is$OS constants that can be iffed on. In a couple of places I rewrote trivial switch:es to if:s, and added Illumos where we checked for Solaris (because they are effectively the same, and if we're going to target one of them that would be Illumos...).
109 lines
2.7 KiB
Go
109 lines
2.7 KiB
Go
// Copyright (C) 2016 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 osutil_test
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import (
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"os"
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"path/filepath"
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"testing"
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"github.com/syncthing/syncthing/lib/build"
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"github.com/syncthing/syncthing/lib/fs"
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"github.com/syncthing/syncthing/lib/osutil"
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)
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func TestTraversesSymlink(t *testing.T) {
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tmpDir := t.TempDir()
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testFs := fs.NewFilesystem(fs.FilesystemTypeBasic, tmpDir)
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testFs.MkdirAll("a/b/c", 0755)
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if err := fs.DebugSymlinkForTestsOnly(testFs, testFs, filepath.Join("a", "b"), filepath.Join("a", "l")); err != nil {
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if build.IsWindows {
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t.Skip("Symlinks aren't working")
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}
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t.Fatal(err)
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}
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// a/l -> b, so a/l/c should resolve by normal stat
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info, err := testFs.Lstat("a/l/c")
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if err != nil {
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t.Fatal("unexpected error", err)
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}
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if !info.IsDir() {
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t.Fatal("error in setup, a/l/c should be a directory")
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}
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cases := []struct {
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name string
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traverses bool
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}{
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// Exist
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{".", false},
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{"a", false},
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{"a/b", false},
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{"a/b/c", false},
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// Don't exist
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{"x", false},
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{"a/x", false},
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{"a/b/x", false},
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{"a/x/c", false},
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// Symlink or behind symlink
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{"a/l", true},
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{"a/l/c", true},
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// Non-existing behind a symlink
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{"a/l/x", true},
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}
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for _, tc := range cases {
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if res := osutil.TraversesSymlink(testFs, tc.name); tc.traverses == (res == nil) {
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t.Errorf("TraversesSymlink(%q) = %v, should be %v", tc.name, res, tc.traverses)
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}
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}
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}
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func TestIssue4875(t *testing.T) {
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tmpDir := t.TempDir()
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testFs := fs.NewFilesystem(fs.FilesystemTypeBasic, tmpDir)
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testFs.MkdirAll(filepath.Join("a", "b", "c"), 0755)
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if err := fs.DebugSymlinkForTestsOnly(testFs, testFs, filepath.Join("a", "b"), filepath.Join("a", "l")); err != nil {
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if build.IsWindows {
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t.Skip("Symlinks aren't working")
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}
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t.Fatal(err)
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}
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// a/l -> b, so a/l/c should resolve by normal stat
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info, err := testFs.Lstat("a/l/c")
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if err != nil {
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t.Fatal("unexpected error", err)
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}
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if !info.IsDir() {
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t.Fatal("error in setup, a/l/c should be a directory")
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}
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testFs = fs.NewFilesystem(fs.FilesystemTypeBasic, filepath.Join(tmpDir, "a/l"))
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if err := osutil.TraversesSymlink(testFs, "."); err != nil {
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t.Error(`TraversesSymlink on filesystem with symlink at root returned error for ".":`, err)
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}
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}
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var traversesSymlinkResult error
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func BenchmarkTraversesSymlink(b *testing.B) {
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os.RemoveAll("testdata")
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defer os.RemoveAll("testdata")
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fs := fs.NewFilesystem(fs.FilesystemTypeBasic, "testdata")
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fs.MkdirAll("a/b/c", 0755)
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for i := 0; i < b.N; i++ {
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traversesSymlinkResult = osutil.TraversesSymlink(fs, "a/b/c")
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}
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b.ReportAllocs()
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}
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