f7552f1de4
Formatting the code with https://github.com/mvdan/gofumpt Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
988 lines
28 KiB
Go
988 lines
28 KiB
Go
//go:build !windows
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// TODO Windows: Some of these tests may be salvageable and portable to Windows.
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package archive // import "github.com/docker/docker/pkg/archive"
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import (
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"bytes"
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"crypto/sha256"
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"encoding/hex"
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"fmt"
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"io"
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"os"
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"path/filepath"
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"strings"
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"testing"
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"gotest.tools/v3/assert"
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)
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func removeAllPaths(paths ...string) {
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for _, path := range paths {
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os.RemoveAll(path)
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}
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}
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func getTestTempDirs(t *testing.T) (tmpDirA, tmpDirB string) {
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var err error
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tmpDirA, err = os.MkdirTemp("", "archive-copy-test")
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assert.NilError(t, err)
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tmpDirB, err = os.MkdirTemp("", "archive-copy-test")
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assert.NilError(t, err)
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return
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}
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func isNotDir(err error) bool {
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return strings.Contains(err.Error(), "not a directory")
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}
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func joinTrailingSep(pathElements ...string) string {
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joined := filepath.Join(pathElements...)
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return fmt.Sprintf("%s%c", joined, filepath.Separator)
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}
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func fileContentsEqual(t *testing.T, filenameA, filenameB string) (err error) {
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t.Logf("checking for equal file contents: %q and %q\n", filenameA, filenameB)
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fileA, err := os.Open(filenameA)
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if err != nil {
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return
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}
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defer fileA.Close()
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fileB, err := os.Open(filenameB)
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if err != nil {
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return
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}
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defer fileB.Close()
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hasher := sha256.New()
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if _, err = io.Copy(hasher, fileA); err != nil {
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return
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}
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hashA := hasher.Sum(nil)
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hasher.Reset()
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if _, err = io.Copy(hasher, fileB); err != nil {
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return
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}
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hashB := hasher.Sum(nil)
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if !bytes.Equal(hashA, hashB) {
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err = fmt.Errorf("file content hashes not equal - expected %s, got %s", hex.EncodeToString(hashA), hex.EncodeToString(hashB))
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}
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return
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}
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func dirContentsEqual(t *testing.T, newDir, oldDir string) (err error) {
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t.Logf("checking for equal directory contents: %q and %q\n", newDir, oldDir)
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var changes []Change
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if changes, err = ChangesDirs(newDir, oldDir); err != nil {
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return
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}
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if len(changes) != 0 {
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err = fmt.Errorf("expected no changes between directories, but got: %v", changes)
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}
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return
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}
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func logDirContents(t *testing.T, dirPath string) {
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t.Logf("logging directory contents: %q", dirPath)
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err := filepath.WalkDir(dirPath, func(path string, info os.DirEntry, err error) error {
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if err != nil {
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t.Errorf("stat error for path %q: %s", path, err)
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return nil
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}
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if info.IsDir() {
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path = joinTrailingSep(path)
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}
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t.Logf("\t%s", path)
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return nil
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})
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assert.NilError(t, err)
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}
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func testCopyHelper(t *testing.T, srcPath, dstPath string) (err error) {
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t.Logf("copying from %q to %q (not follow symbol link)", srcPath, dstPath)
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return CopyResource(srcPath, dstPath, false)
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}
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func testCopyHelperFSym(t *testing.T, srcPath, dstPath string) (err error) {
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t.Logf("copying from %q to %q (follow symbol link)", srcPath, dstPath)
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return CopyResource(srcPath, dstPath, true)
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}
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// Basic assumptions about SRC and DST:
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// 1. SRC must exist.
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// 2. If SRC ends with a trailing separator, it must be a directory.
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// 3. DST parent directory must exist.
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// 4. If DST exists as a file, it must not end with a trailing separator.
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// First get these easy error cases out of the way.
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// Test for error when SRC does not exist.
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func TestCopyErrSrcNotExists(t *testing.T) {
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tmpDirA, tmpDirB := getTestTempDirs(t)
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defer removeAllPaths(tmpDirA, tmpDirB)
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if _, err := CopyInfoSourcePath(filepath.Join(tmpDirA, "file1"), false); !os.IsNotExist(err) {
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t.Fatalf("expected IsNotExist error, but got %T: %s", err, err)
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}
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}
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// Test for error when SRC ends in a trailing
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// path separator but it exists as a file.
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func TestCopyErrSrcNotDir(t *testing.T) {
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tmpDirA, tmpDirB := getTestTempDirs(t)
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defer removeAllPaths(tmpDirA, tmpDirB)
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// Load A with some sample files and directories.
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createSampleDir(t, tmpDirA)
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if _, err := CopyInfoSourcePath(joinTrailingSep(tmpDirA, "file1"), false); !isNotDir(err) {
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t.Fatalf("expected IsNotDir error, but got %T: %s", err, err)
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}
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}
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// Test for error when SRC is a valid file or directory,
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// but the DST parent directory does not exist.
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func TestCopyErrDstParentNotExists(t *testing.T) {
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tmpDirA, tmpDirB := getTestTempDirs(t)
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defer removeAllPaths(tmpDirA, tmpDirB)
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// Load A with some sample files and directories.
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createSampleDir(t, tmpDirA)
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srcInfo := CopyInfo{Path: filepath.Join(tmpDirA, "file1"), Exists: true, IsDir: false}
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// Try with a file source.
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content, err := TarResource(srcInfo)
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if err != nil {
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t.Fatalf("unexpected error %T: %s", err, err)
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}
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defer content.Close()
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// Copy to a file whose parent does not exist.
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if err = CopyTo(content, srcInfo, filepath.Join(tmpDirB, "fakeParentDir", "file1")); err == nil {
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t.Fatal("expected IsNotExist error, but got nil instead")
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}
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if !os.IsNotExist(err) {
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t.Fatalf("expected IsNotExist error, but got %T: %s", err, err)
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}
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// Try with a directory source.
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srcInfo = CopyInfo{Path: filepath.Join(tmpDirA, "dir1"), Exists: true, IsDir: true}
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content, err = TarResource(srcInfo)
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if err != nil {
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t.Fatalf("unexpected error %T: %s", err, err)
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}
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defer content.Close()
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// Copy to a directory whose parent does not exist.
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if err = CopyTo(content, srcInfo, joinTrailingSep(tmpDirB, "fakeParentDir", "fakeDstDir")); err == nil {
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t.Fatal("expected IsNotExist error, but got nil instead")
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}
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if !os.IsNotExist(err) {
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t.Fatalf("expected IsNotExist error, but got %T: %s", err, err)
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}
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}
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// Test for error when DST ends in a trailing
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// path separator but exists as a file.
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func TestCopyErrDstNotDir(t *testing.T) {
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tmpDirA, tmpDirB := getTestTempDirs(t)
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defer removeAllPaths(tmpDirA, tmpDirB)
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// Load A and B with some sample files and directories.
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createSampleDir(t, tmpDirA)
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createSampleDir(t, tmpDirB)
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// Try with a file source.
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srcInfo := CopyInfo{Path: filepath.Join(tmpDirA, "file1"), Exists: true, IsDir: false}
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content, err := TarResource(srcInfo)
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if err != nil {
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t.Fatalf("unexpected error %T: %s", err, err)
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}
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defer content.Close()
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if err = CopyTo(content, srcInfo, joinTrailingSep(tmpDirB, "file1")); err == nil {
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t.Fatal("expected IsNotDir error, but got nil instead")
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}
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if !isNotDir(err) {
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t.Fatalf("expected IsNotDir error, but got %T: %s", err, err)
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}
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// Try with a directory source.
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srcInfo = CopyInfo{Path: filepath.Join(tmpDirA, "dir1"), Exists: true, IsDir: true}
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content, err = TarResource(srcInfo)
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if err != nil {
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t.Fatalf("unexpected error %T: %s", err, err)
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}
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defer content.Close()
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if err = CopyTo(content, srcInfo, joinTrailingSep(tmpDirB, "file1")); err == nil {
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t.Fatal("expected IsNotDir error, but got nil instead")
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}
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if !isNotDir(err) {
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t.Fatalf("expected IsNotDir error, but got %T: %s", err, err)
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}
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}
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// Test to check if CopyTo works with a long (>100 characters) destination file name.
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// This is a regression (see https://github.com/docker/for-linux/issues/484).
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func TestCopyLongDstFilename(t *testing.T) {
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const longName = "a_very_xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx_long_filename_that_is_101_characters"
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tmpDirA, tmpDirB := getTestTempDirs(t)
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defer removeAllPaths(tmpDirA, tmpDirB)
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// Load A with some sample files and directories.
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createSampleDir(t, tmpDirA)
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srcInfo := CopyInfo{Path: filepath.Join(tmpDirA, "file1"), Exists: true, IsDir: false}
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content, err := TarResource(srcInfo)
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if err != nil {
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t.Fatalf("unexpected error %T: %s", err, err)
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}
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defer content.Close()
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err = CopyTo(content, srcInfo, filepath.Join(tmpDirB, longName))
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if err != nil {
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t.Fatalf("unexpected error %T: %s", err, err)
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}
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}
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// Possibilities are reduced to the remaining 10 cases:
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//
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// case | srcIsDir | onlyDirContents | dstExists | dstIsDir | dstTrSep | action
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// ===================================================================================================
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// A | no | - | no | - | no | create file
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// B | no | - | no | - | yes | error
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// C | no | - | yes | no | - | overwrite file
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// D | no | - | yes | yes | - | create file in dst dir
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// E | yes | no | no | - | - | create dir, copy contents
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// F | yes | no | yes | no | - | error
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// G | yes | no | yes | yes | - | copy dir and contents
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// H | yes | yes | no | - | - | create dir, copy contents
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// I | yes | yes | yes | no | - | error
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// J | yes | yes | yes | yes | - | copy dir contents
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//
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// A. SRC specifies a file and DST (no trailing path separator) doesn't exist.
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//
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// This should create a file with the name DST and copy the contents of the source
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// file into it.
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func TestCopyCaseA(t *testing.T) {
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tmpDirA, tmpDirB := getTestTempDirs(t)
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defer removeAllPaths(tmpDirA, tmpDirB)
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// Load A with some sample files and directories.
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createSampleDir(t, tmpDirA)
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srcPath := filepath.Join(tmpDirA, "file1")
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dstPath := filepath.Join(tmpDirB, "itWorks.txt")
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var err error
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if err = testCopyHelper(t, srcPath, dstPath); err != nil {
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t.Fatalf("unexpected error %T: %s", err, err)
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}
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err = fileContentsEqual(t, srcPath, dstPath)
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assert.NilError(t, err)
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os.Remove(dstPath)
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symlinkPath := filepath.Join(tmpDirA, "symlink3")
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symlinkPath1 := filepath.Join(tmpDirA, "symlink4")
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linkTarget := filepath.Join(tmpDirA, "file1")
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if err = testCopyHelperFSym(t, symlinkPath, dstPath); err != nil {
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t.Fatalf("unexpected error %T: %s", err, err)
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}
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err = fileContentsEqual(t, linkTarget, dstPath)
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assert.NilError(t, err)
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os.Remove(dstPath)
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if err = testCopyHelperFSym(t, symlinkPath1, dstPath); err != nil {
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t.Fatalf("unexpected error %T: %s", err, err)
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}
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err = fileContentsEqual(t, linkTarget, dstPath)
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assert.NilError(t, err)
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}
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// B. SRC specifies a file and DST (with trailing path separator) doesn't exist.
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//
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// This should cause an error because the copy operation cannot create a directory
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// when copying a single file.
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func TestCopyCaseB(t *testing.T) {
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tmpDirA, tmpDirB := getTestTempDirs(t)
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defer removeAllPaths(tmpDirA, tmpDirB)
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// Load A with some sample files and directories.
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createSampleDir(t, tmpDirA)
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srcPath := filepath.Join(tmpDirA, "file1")
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dstDir := joinTrailingSep(tmpDirB, "testDir")
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var err error
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if err = testCopyHelper(t, srcPath, dstDir); err == nil {
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t.Fatal("expected ErrDirNotExists error, but got nil instead")
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}
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if err != ErrDirNotExists {
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t.Fatalf("expected ErrDirNotExists error, but got %T: %s", err, err)
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}
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symlinkPath := filepath.Join(tmpDirA, "symlink3")
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if err = testCopyHelperFSym(t, symlinkPath, dstDir); err == nil {
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t.Fatal("expected ErrDirNotExists error, but got nil instead")
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}
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if err != ErrDirNotExists {
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t.Fatalf("expected ErrDirNotExists error, but got %T: %s", err, err)
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}
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}
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// C. SRC specifies a file and DST exists as a file.
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//
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// This should overwrite the file at DST with the contents of the source file.
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func TestCopyCaseC(t *testing.T) {
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tmpDirA, tmpDirB := getTestTempDirs(t)
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defer removeAllPaths(tmpDirA, tmpDirB)
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// Load A and B with some sample files and directories.
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createSampleDir(t, tmpDirA)
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createSampleDir(t, tmpDirB)
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srcPath := filepath.Join(tmpDirA, "file1")
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dstPath := filepath.Join(tmpDirB, "file2")
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var err error
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// Ensure they start out different.
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if err = fileContentsEqual(t, srcPath, dstPath); err == nil {
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t.Fatal("expected different file contents")
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}
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if err = testCopyHelper(t, srcPath, dstPath); err != nil {
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t.Fatalf("unexpected error %T: %s", err, err)
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}
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err = fileContentsEqual(t, srcPath, dstPath)
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assert.NilError(t, err)
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}
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// C. Symbol link following version: SRC specifies a file and DST exists as a file.
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//
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// This should overwrite the file at DST with the contents of the source file.
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func TestCopyCaseCFSym(t *testing.T) {
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tmpDirA, tmpDirB := getTestTempDirs(t)
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defer removeAllPaths(tmpDirA, tmpDirB)
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// Load A and B with some sample files and directories.
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createSampleDir(t, tmpDirA)
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createSampleDir(t, tmpDirB)
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symlinkPathBad := filepath.Join(tmpDirA, "symlink1")
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symlinkPath := filepath.Join(tmpDirA, "symlink3")
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linkTarget := filepath.Join(tmpDirA, "file1")
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dstPath := filepath.Join(tmpDirB, "file2")
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var err error
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// first to test broken link
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if err = testCopyHelperFSym(t, symlinkPathBad, dstPath); err == nil {
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t.Fatalf("unexpected error %T: %s", err, err)
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}
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// test symbol link -> symbol link -> target
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// Ensure they start out different.
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if err = fileContentsEqual(t, linkTarget, dstPath); err == nil {
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t.Fatal("expected different file contents")
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}
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if err = testCopyHelperFSym(t, symlinkPath, dstPath); err != nil {
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t.Fatalf("unexpected error %T: %s", err, err)
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}
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err = fileContentsEqual(t, linkTarget, dstPath)
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assert.NilError(t, err)
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}
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// D. SRC specifies a file and DST exists as a directory.
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//
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// This should place a copy of the source file inside it using the basename from
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// SRC. Ensure this works whether DST has a trailing path separator or not.
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func TestCopyCaseD(t *testing.T) {
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tmpDirA, tmpDirB := getTestTempDirs(t)
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defer removeAllPaths(tmpDirA, tmpDirB)
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// Load A and B with some sample files and directories.
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createSampleDir(t, tmpDirA)
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createSampleDir(t, tmpDirB)
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srcPath := filepath.Join(tmpDirA, "file1")
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dstDir := filepath.Join(tmpDirB, "dir1")
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dstPath := filepath.Join(dstDir, "file1")
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var err error
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// Ensure that dstPath doesn't exist.
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if _, err = os.Stat(dstPath); !os.IsNotExist(err) {
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t.Fatalf("did not expect dstPath %q to exist", dstPath)
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}
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if err = testCopyHelper(t, srcPath, dstDir); err != nil {
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t.Fatalf("unexpected error %T: %s", err, err)
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}
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err = fileContentsEqual(t, srcPath, dstPath)
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assert.NilError(t, err)
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// Now try again but using a trailing path separator for dstDir.
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if err = os.RemoveAll(dstDir); err != nil {
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t.Fatalf("unable to remove dstDir: %s", err)
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}
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if err = os.MkdirAll(dstDir, os.FileMode(0o755)); err != nil {
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t.Fatalf("unable to make dstDir: %s", err)
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}
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dstDir = joinTrailingSep(tmpDirB, "dir1")
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if err = testCopyHelper(t, srcPath, dstDir); err != nil {
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t.Fatalf("unexpected error %T: %s", err, err)
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}
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err = fileContentsEqual(t, srcPath, dstPath)
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assert.NilError(t, err)
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}
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// D. Symbol link following version: SRC specifies a file and DST exists as a directory.
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//
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// This should place a copy of the source file inside it using the basename from
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// SRC. Ensure this works whether DST has a trailing path separator or not.
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func TestCopyCaseDFSym(t *testing.T) {
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tmpDirA, tmpDirB := getTestTempDirs(t)
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defer removeAllPaths(tmpDirA, tmpDirB)
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// Load A and B with some sample files and directories.
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createSampleDir(t, tmpDirA)
|
|
createSampleDir(t, tmpDirB)
|
|
|
|
srcPath := filepath.Join(tmpDirA, "symlink4")
|
|
linkTarget := filepath.Join(tmpDirA, "file1")
|
|
dstDir := filepath.Join(tmpDirB, "dir1")
|
|
dstPath := filepath.Join(dstDir, "symlink4")
|
|
|
|
var err error
|
|
|
|
// Ensure that dstPath doesn't exist.
|
|
if _, err = os.Stat(dstPath); !os.IsNotExist(err) {
|
|
t.Fatalf("did not expect dstPath %q to exist", dstPath)
|
|
}
|
|
|
|
if err = testCopyHelperFSym(t, srcPath, dstDir); err != nil {
|
|
t.Fatalf("unexpected error %T: %s", err, err)
|
|
}
|
|
|
|
err = fileContentsEqual(t, linkTarget, dstPath)
|
|
assert.NilError(t, err)
|
|
|
|
// Now try again but using a trailing path separator for dstDir.
|
|
|
|
if err = os.RemoveAll(dstDir); err != nil {
|
|
t.Fatalf("unable to remove dstDir: %s", err)
|
|
}
|
|
|
|
if err = os.MkdirAll(dstDir, os.FileMode(0o755)); err != nil {
|
|
t.Fatalf("unable to make dstDir: %s", err)
|
|
}
|
|
|
|
dstDir = joinTrailingSep(tmpDirB, "dir1")
|
|
|
|
if err = testCopyHelperFSym(t, srcPath, dstDir); err != nil {
|
|
t.Fatalf("unexpected error %T: %s", err, err)
|
|
}
|
|
|
|
err = fileContentsEqual(t, linkTarget, dstPath)
|
|
assert.NilError(t, err)
|
|
}
|
|
|
|
// E. SRC specifies a directory and DST does not exist.
|
|
//
|
|
// This should create a directory at DST and copy the contents of the SRC directory
|
|
// into the DST directory. Ensure this works whether DST has a trailing path
|
|
// separator or not.
|
|
func TestCopyCaseE(t *testing.T) {
|
|
tmpDirA, tmpDirB := getTestTempDirs(t)
|
|
defer removeAllPaths(tmpDirA, tmpDirB)
|
|
|
|
// Load A with some sample files and directories.
|
|
createSampleDir(t, tmpDirA)
|
|
|
|
srcDir := filepath.Join(tmpDirA, "dir1")
|
|
dstDir := filepath.Join(tmpDirB, "testDir")
|
|
|
|
var err error
|
|
|
|
if err = testCopyHelper(t, srcDir, dstDir); err != nil {
|
|
t.Fatalf("unexpected error %T: %s", err, err)
|
|
}
|
|
|
|
if err = dirContentsEqual(t, dstDir, srcDir); err != nil {
|
|
t.Log("dir contents not equal")
|
|
logDirContents(t, tmpDirA)
|
|
logDirContents(t, tmpDirB)
|
|
t.Fatal(err)
|
|
}
|
|
|
|
// Now try again but using a trailing path separator for dstDir.
|
|
|
|
if err = os.RemoveAll(dstDir); err != nil {
|
|
t.Fatalf("unable to remove dstDir: %s", err)
|
|
}
|
|
|
|
dstDir = joinTrailingSep(tmpDirB, "testDir")
|
|
|
|
if err = testCopyHelper(t, srcDir, dstDir); err != nil {
|
|
t.Fatalf("unexpected error %T: %s", err, err)
|
|
}
|
|
|
|
err = dirContentsEqual(t, dstDir, srcDir)
|
|
assert.NilError(t, err)
|
|
}
|
|
|
|
// E. Symbol link following version: SRC specifies a directory and DST does not exist.
|
|
//
|
|
// This should create a directory at DST and copy the contents of the SRC directory
|
|
// into the DST directory. Ensure this works whether DST has a trailing path
|
|
// separator or not.
|
|
func TestCopyCaseEFSym(t *testing.T) {
|
|
tmpDirA, tmpDirB := getTestTempDirs(t)
|
|
defer removeAllPaths(tmpDirA, tmpDirB)
|
|
|
|
// Load A with some sample files and directories.
|
|
createSampleDir(t, tmpDirA)
|
|
|
|
srcDir := filepath.Join(tmpDirA, "dirSymlink")
|
|
linkTarget := filepath.Join(tmpDirA, "dir1")
|
|
dstDir := filepath.Join(tmpDirB, "testDir")
|
|
|
|
var err error
|
|
|
|
if err = testCopyHelperFSym(t, srcDir, dstDir); err != nil {
|
|
t.Fatalf("unexpected error %T: %s", err, err)
|
|
}
|
|
|
|
if err = dirContentsEqual(t, dstDir, linkTarget); err != nil {
|
|
t.Log("dir contents not equal")
|
|
logDirContents(t, tmpDirA)
|
|
logDirContents(t, tmpDirB)
|
|
t.Fatal(err)
|
|
}
|
|
|
|
// Now try again but using a trailing path separator for dstDir.
|
|
|
|
if err = os.RemoveAll(dstDir); err != nil {
|
|
t.Fatalf("unable to remove dstDir: %s", err)
|
|
}
|
|
|
|
dstDir = joinTrailingSep(tmpDirB, "testDir")
|
|
|
|
if err = testCopyHelperFSym(t, srcDir, dstDir); err != nil {
|
|
t.Fatalf("unexpected error %T: %s", err, err)
|
|
}
|
|
|
|
err = dirContentsEqual(t, dstDir, linkTarget)
|
|
assert.NilError(t, err)
|
|
}
|
|
|
|
// F. SRC specifies a directory and DST exists as a file.
|
|
//
|
|
// This should cause an error as it is not possible to overwrite a file with a
|
|
// directory.
|
|
func TestCopyCaseF(t *testing.T) {
|
|
tmpDirA, tmpDirB := getTestTempDirs(t)
|
|
defer removeAllPaths(tmpDirA, tmpDirB)
|
|
|
|
// Load A and B with some sample files and directories.
|
|
createSampleDir(t, tmpDirA)
|
|
createSampleDir(t, tmpDirB)
|
|
|
|
srcDir := filepath.Join(tmpDirA, "dir1")
|
|
symSrcDir := filepath.Join(tmpDirA, "dirSymlink")
|
|
dstFile := filepath.Join(tmpDirB, "file1")
|
|
|
|
var err error
|
|
|
|
if err = testCopyHelper(t, srcDir, dstFile); err == nil {
|
|
t.Fatal("expected ErrCannotCopyDir error, but got nil instead")
|
|
}
|
|
|
|
if err != ErrCannotCopyDir {
|
|
t.Fatalf("expected ErrCannotCopyDir error, but got %T: %s", err, err)
|
|
}
|
|
|
|
// now test with symbol link
|
|
if err = testCopyHelperFSym(t, symSrcDir, dstFile); err == nil {
|
|
t.Fatal("expected ErrCannotCopyDir error, but got nil instead")
|
|
}
|
|
|
|
if err != ErrCannotCopyDir {
|
|
t.Fatalf("expected ErrCannotCopyDir error, but got %T: %s", err, err)
|
|
}
|
|
}
|
|
|
|
// G. SRC specifies a directory and DST exists as a directory.
|
|
//
|
|
// This should copy the SRC directory and all its contents to the DST directory.
|
|
// Ensure this works whether DST has a trailing path separator or not.
|
|
func TestCopyCaseG(t *testing.T) {
|
|
tmpDirA, tmpDirB := getTestTempDirs(t)
|
|
defer removeAllPaths(tmpDirA, tmpDirB)
|
|
|
|
// Load A and B with some sample files and directories.
|
|
createSampleDir(t, tmpDirA)
|
|
createSampleDir(t, tmpDirB)
|
|
|
|
srcDir := filepath.Join(tmpDirA, "dir1")
|
|
dstDir := filepath.Join(tmpDirB, "dir2")
|
|
resultDir := filepath.Join(dstDir, "dir1")
|
|
|
|
var err error
|
|
|
|
if err = testCopyHelper(t, srcDir, dstDir); err != nil {
|
|
t.Fatalf("unexpected error %T: %s", err, err)
|
|
}
|
|
|
|
err = dirContentsEqual(t, resultDir, srcDir)
|
|
assert.NilError(t, err)
|
|
|
|
// Now try again but using a trailing path separator for dstDir.
|
|
|
|
if err = os.RemoveAll(dstDir); err != nil {
|
|
t.Fatalf("unable to remove dstDir: %s", err)
|
|
}
|
|
|
|
if err = os.MkdirAll(dstDir, os.FileMode(0o755)); err != nil {
|
|
t.Fatalf("unable to make dstDir: %s", err)
|
|
}
|
|
|
|
dstDir = joinTrailingSep(tmpDirB, "dir2")
|
|
|
|
if err = testCopyHelper(t, srcDir, dstDir); err != nil {
|
|
t.Fatalf("unexpected error %T: %s", err, err)
|
|
}
|
|
|
|
err = dirContentsEqual(t, resultDir, srcDir)
|
|
assert.NilError(t, err)
|
|
}
|
|
|
|
// G. Symbol link version: SRC specifies a directory and DST exists as a directory.
|
|
//
|
|
// This should copy the SRC directory and all its contents to the DST directory.
|
|
// Ensure this works whether DST has a trailing path separator or not.
|
|
func TestCopyCaseGFSym(t *testing.T) {
|
|
tmpDirA, tmpDirB := getTestTempDirs(t)
|
|
defer removeAllPaths(tmpDirA, tmpDirB)
|
|
|
|
// Load A and B with some sample files and directories.
|
|
createSampleDir(t, tmpDirA)
|
|
createSampleDir(t, tmpDirB)
|
|
|
|
srcDir := filepath.Join(tmpDirA, "dirSymlink")
|
|
linkTarget := filepath.Join(tmpDirA, "dir1")
|
|
dstDir := filepath.Join(tmpDirB, "dir2")
|
|
resultDir := filepath.Join(dstDir, "dirSymlink")
|
|
|
|
var err error
|
|
|
|
if err = testCopyHelperFSym(t, srcDir, dstDir); err != nil {
|
|
t.Fatalf("unexpected error %T: %s", err, err)
|
|
}
|
|
|
|
err = dirContentsEqual(t, resultDir, linkTarget)
|
|
assert.NilError(t, err)
|
|
|
|
// Now try again but using a trailing path separator for dstDir.
|
|
|
|
if err = os.RemoveAll(dstDir); err != nil {
|
|
t.Fatalf("unable to remove dstDir: %s", err)
|
|
}
|
|
|
|
if err = os.MkdirAll(dstDir, os.FileMode(0o755)); err != nil {
|
|
t.Fatalf("unable to make dstDir: %s", err)
|
|
}
|
|
|
|
dstDir = joinTrailingSep(tmpDirB, "dir2")
|
|
|
|
if err = testCopyHelperFSym(t, srcDir, dstDir); err != nil {
|
|
t.Fatalf("unexpected error %T: %s", err, err)
|
|
}
|
|
|
|
err = dirContentsEqual(t, resultDir, linkTarget)
|
|
assert.NilError(t, err)
|
|
}
|
|
|
|
// H. SRC specifies a directory's contents only and DST does not exist.
|
|
//
|
|
// This should create a directory at DST and copy the contents of the SRC
|
|
// directory (but not the directory itself) into the DST directory. Ensure
|
|
// this works whether DST has a trailing path separator or not.
|
|
func TestCopyCaseH(t *testing.T) {
|
|
tmpDirA, tmpDirB := getTestTempDirs(t)
|
|
defer removeAllPaths(tmpDirA, tmpDirB)
|
|
|
|
// Load A with some sample files and directories.
|
|
createSampleDir(t, tmpDirA)
|
|
|
|
srcDir := joinTrailingSep(tmpDirA, "dir1") + "."
|
|
dstDir := filepath.Join(tmpDirB, "testDir")
|
|
|
|
var err error
|
|
|
|
if err = testCopyHelper(t, srcDir, dstDir); err != nil {
|
|
t.Fatalf("unexpected error %T: %s", err, err)
|
|
}
|
|
|
|
if err = dirContentsEqual(t, dstDir, srcDir); err != nil {
|
|
t.Log("dir contents not equal")
|
|
logDirContents(t, tmpDirA)
|
|
logDirContents(t, tmpDirB)
|
|
t.Fatal(err)
|
|
}
|
|
|
|
// Now try again but using a trailing path separator for dstDir.
|
|
|
|
if err = os.RemoveAll(dstDir); err != nil {
|
|
t.Fatalf("unable to remove dstDir: %s", err)
|
|
}
|
|
|
|
dstDir = joinTrailingSep(tmpDirB, "testDir")
|
|
|
|
if err = testCopyHelper(t, srcDir, dstDir); err != nil {
|
|
t.Fatalf("unexpected error %T: %s", err, err)
|
|
}
|
|
|
|
if err = dirContentsEqual(t, dstDir, srcDir); err != nil {
|
|
t.Log("dir contents not equal")
|
|
logDirContents(t, tmpDirA)
|
|
logDirContents(t, tmpDirB)
|
|
t.Fatal(err)
|
|
}
|
|
}
|
|
|
|
// H. Symbol link following version: SRC specifies a directory's contents only and DST does not exist.
|
|
//
|
|
// This should create a directory at DST and copy the contents of the SRC
|
|
// directory (but not the directory itself) into the DST directory. Ensure
|
|
// this works whether DST has a trailing path separator or not.
|
|
func TestCopyCaseHFSym(t *testing.T) {
|
|
tmpDirA, tmpDirB := getTestTempDirs(t)
|
|
defer removeAllPaths(tmpDirA, tmpDirB)
|
|
|
|
// Load A with some sample files and directories.
|
|
createSampleDir(t, tmpDirA)
|
|
|
|
srcDir := joinTrailingSep(tmpDirA, "dirSymlink") + "."
|
|
linkTarget := filepath.Join(tmpDirA, "dir1")
|
|
dstDir := filepath.Join(tmpDirB, "testDir")
|
|
|
|
var err error
|
|
|
|
if err = testCopyHelperFSym(t, srcDir, dstDir); err != nil {
|
|
t.Fatalf("unexpected error %T: %s", err, err)
|
|
}
|
|
|
|
if err = dirContentsEqual(t, dstDir, linkTarget); err != nil {
|
|
t.Log("dir contents not equal")
|
|
logDirContents(t, tmpDirA)
|
|
logDirContents(t, tmpDirB)
|
|
t.Fatal(err)
|
|
}
|
|
|
|
// Now try again but using a trailing path separator for dstDir.
|
|
|
|
if err = os.RemoveAll(dstDir); err != nil {
|
|
t.Fatalf("unable to remove dstDir: %s", err)
|
|
}
|
|
|
|
dstDir = joinTrailingSep(tmpDirB, "testDir")
|
|
|
|
if err = testCopyHelperFSym(t, srcDir, dstDir); err != nil {
|
|
t.Fatalf("unexpected error %T: %s", err, err)
|
|
}
|
|
|
|
if err = dirContentsEqual(t, dstDir, linkTarget); err != nil {
|
|
t.Log("dir contents not equal")
|
|
logDirContents(t, tmpDirA)
|
|
logDirContents(t, tmpDirB)
|
|
t.Fatal(err)
|
|
}
|
|
}
|
|
|
|
// I. SRC specifies a directory's contents only and DST exists as a file.
|
|
//
|
|
// This should cause an error as it is not possible to overwrite a file with a
|
|
// directory.
|
|
func TestCopyCaseI(t *testing.T) {
|
|
tmpDirA, tmpDirB := getTestTempDirs(t)
|
|
defer removeAllPaths(tmpDirA, tmpDirB)
|
|
|
|
// Load A and B with some sample files and directories.
|
|
createSampleDir(t, tmpDirA)
|
|
createSampleDir(t, tmpDirB)
|
|
|
|
srcDir := joinTrailingSep(tmpDirA, "dir1") + "."
|
|
symSrcDir := filepath.Join(tmpDirB, "dirSymlink")
|
|
dstFile := filepath.Join(tmpDirB, "file1")
|
|
|
|
var err error
|
|
|
|
if err = testCopyHelper(t, srcDir, dstFile); err == nil {
|
|
t.Fatal("expected ErrCannotCopyDir error, but got nil instead")
|
|
}
|
|
|
|
if err != ErrCannotCopyDir {
|
|
t.Fatalf("expected ErrCannotCopyDir error, but got %T: %s", err, err)
|
|
}
|
|
|
|
// now try with symbol link of dir
|
|
if err = testCopyHelperFSym(t, symSrcDir, dstFile); err == nil {
|
|
t.Fatal("expected ErrCannotCopyDir error, but got nil instead")
|
|
}
|
|
|
|
if err != ErrCannotCopyDir {
|
|
t.Fatalf("expected ErrCannotCopyDir error, but got %T: %s", err, err)
|
|
}
|
|
}
|
|
|
|
// J. SRC specifies a directory's contents only and DST exists as a directory.
|
|
//
|
|
// This should copy the contents of the SRC directory (but not the directory
|
|
// itself) into the DST directory. Ensure this works whether DST has a
|
|
// trailing path separator or not.
|
|
func TestCopyCaseJ(t *testing.T) {
|
|
tmpDirA, tmpDirB := getTestTempDirs(t)
|
|
defer removeAllPaths(tmpDirA, tmpDirB)
|
|
|
|
// Load A and B with some sample files and directories.
|
|
createSampleDir(t, tmpDirA)
|
|
createSampleDir(t, tmpDirB)
|
|
|
|
srcDir := joinTrailingSep(tmpDirA, "dir1") + "."
|
|
dstDir := filepath.Join(tmpDirB, "dir5")
|
|
|
|
var err error
|
|
|
|
// first to create an empty dir
|
|
if err = os.MkdirAll(dstDir, os.FileMode(0o755)); err != nil {
|
|
t.Fatalf("unable to make dstDir: %s", err)
|
|
}
|
|
|
|
if err = testCopyHelper(t, srcDir, dstDir); err != nil {
|
|
t.Fatalf("unexpected error %T: %s", err, err)
|
|
}
|
|
|
|
err = dirContentsEqual(t, dstDir, srcDir)
|
|
assert.NilError(t, err)
|
|
|
|
// Now try again but using a trailing path separator for dstDir.
|
|
|
|
if err = os.RemoveAll(dstDir); err != nil {
|
|
t.Fatalf("unable to remove dstDir: %s", err)
|
|
}
|
|
|
|
if err = os.MkdirAll(dstDir, os.FileMode(0o755)); err != nil {
|
|
t.Fatalf("unable to make dstDir: %s", err)
|
|
}
|
|
|
|
dstDir = joinTrailingSep(tmpDirB, "dir5")
|
|
|
|
if err = testCopyHelper(t, srcDir, dstDir); err != nil {
|
|
t.Fatalf("unexpected error %T: %s", err, err)
|
|
}
|
|
|
|
err = dirContentsEqual(t, dstDir, srcDir)
|
|
assert.NilError(t, err)
|
|
}
|
|
|
|
// J. Symbol link following version: SRC specifies a directory's contents only and DST exists as a directory.
|
|
//
|
|
// This should copy the contents of the SRC directory (but not the directory
|
|
// itself) into the DST directory. Ensure this works whether DST has a
|
|
// trailing path separator or not.
|
|
func TestCopyCaseJFSym(t *testing.T) {
|
|
tmpDirA, tmpDirB := getTestTempDirs(t)
|
|
defer removeAllPaths(tmpDirA, tmpDirB)
|
|
|
|
// Load A and B with some sample files and directories.
|
|
createSampleDir(t, tmpDirA)
|
|
createSampleDir(t, tmpDirB)
|
|
|
|
srcDir := joinTrailingSep(tmpDirA, "dirSymlink") + "."
|
|
linkTarget := filepath.Join(tmpDirA, "dir1")
|
|
dstDir := filepath.Join(tmpDirB, "dir5")
|
|
|
|
var err error
|
|
|
|
// first to create an empty dir
|
|
if err = os.MkdirAll(dstDir, os.FileMode(0o755)); err != nil {
|
|
t.Fatalf("unable to make dstDir: %s", err)
|
|
}
|
|
|
|
if err = testCopyHelperFSym(t, srcDir, dstDir); err != nil {
|
|
t.Fatalf("unexpected error %T: %s", err, err)
|
|
}
|
|
|
|
err = dirContentsEqual(t, dstDir, linkTarget)
|
|
assert.NilError(t, err)
|
|
|
|
// Now try again but using a trailing path separator for dstDir.
|
|
|
|
if err = os.RemoveAll(dstDir); err != nil {
|
|
t.Fatalf("unable to remove dstDir: %s", err)
|
|
}
|
|
|
|
if err = os.MkdirAll(dstDir, os.FileMode(0o755)); err != nil {
|
|
t.Fatalf("unable to make dstDir: %s", err)
|
|
}
|
|
|
|
dstDir = joinTrailingSep(tmpDirB, "dir5")
|
|
|
|
if err = testCopyHelperFSym(t, srcDir, dstDir); err != nil {
|
|
t.Fatalf("unexpected error %T: %s", err, err)
|
|
}
|
|
|
|
err = dirContentsEqual(t, dstDir, linkTarget)
|
|
assert.NilError(t, err)
|
|
}
|