33cd39caf0
Adds TarResource and CopyTo functions to be used for creating archives for use with the new `docker cp` behavior. Adds multiple test cases for the CopyFrom and CopyTo functions in the pkg/archive package. Docker-DCO-1.1-Signed-off-by: Josh Hawn <josh.hawn@docker.com> (github: jlhawn)
637 lines
18 KiB
Go
637 lines
18 KiB
Go
package archive
|
|
|
|
import (
|
|
"bytes"
|
|
"crypto/sha256"
|
|
"encoding/hex"
|
|
"fmt"
|
|
"io"
|
|
"io/ioutil"
|
|
"os"
|
|
"path/filepath"
|
|
"strings"
|
|
"testing"
|
|
)
|
|
|
|
func removeAllPaths(paths ...string) {
|
|
for _, path := range paths {
|
|
os.RemoveAll(path)
|
|
}
|
|
}
|
|
|
|
func getTestTempDirs(t *testing.T) (tmpDirA, tmpDirB string) {
|
|
var err error
|
|
|
|
if tmpDirA, err = ioutil.TempDir("", "archive-copy-test"); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
if tmpDirB, err = ioutil.TempDir("", "archive-copy-test"); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
return
|
|
}
|
|
|
|
func isNotDir(err error) bool {
|
|
return strings.Contains(err.Error(), "not a directory")
|
|
}
|
|
|
|
func joinTrailingSep(pathElements ...string) string {
|
|
joined := filepath.Join(pathElements...)
|
|
|
|
return fmt.Sprintf("%s%c", joined, filepath.Separator)
|
|
}
|
|
|
|
func fileContentsEqual(t *testing.T, filenameA, filenameB string) (err error) {
|
|
t.Logf("checking for equal file contents: %q and %q\n", filenameA, filenameB)
|
|
|
|
fileA, err := os.Open(filenameA)
|
|
if err != nil {
|
|
return
|
|
}
|
|
defer fileA.Close()
|
|
|
|
fileB, err := os.Open(filenameB)
|
|
if err != nil {
|
|
return
|
|
}
|
|
defer fileB.Close()
|
|
|
|
hasher := sha256.New()
|
|
|
|
if _, err = io.Copy(hasher, fileA); err != nil {
|
|
return
|
|
}
|
|
|
|
hashA := hasher.Sum(nil)
|
|
hasher.Reset()
|
|
|
|
if _, err = io.Copy(hasher, fileB); err != nil {
|
|
return
|
|
}
|
|
|
|
hashB := hasher.Sum(nil)
|
|
|
|
if !bytes.Equal(hashA, hashB) {
|
|
err = fmt.Errorf("file content hashes not equal - expected %s, got %s", hex.EncodeToString(hashA), hex.EncodeToString(hashB))
|
|
}
|
|
|
|
return
|
|
}
|
|
|
|
func dirContentsEqual(t *testing.T, newDir, oldDir string) (err error) {
|
|
t.Logf("checking for equal directory contents: %q and %q\n", newDir, oldDir)
|
|
|
|
var changes []Change
|
|
|
|
if changes, err = ChangesDirs(newDir, oldDir); err != nil {
|
|
return
|
|
}
|
|
|
|
if len(changes) != 0 {
|
|
err = fmt.Errorf("expected no changes between directories, but got: %v", changes)
|
|
}
|
|
|
|
return
|
|
}
|
|
|
|
func logDirContents(t *testing.T, dirPath string) {
|
|
logWalkedPaths := filepath.WalkFunc(func(path string, info os.FileInfo, err error) error {
|
|
if err != nil {
|
|
t.Errorf("stat error for path %q: %s", path, err)
|
|
return nil
|
|
}
|
|
|
|
if info.IsDir() {
|
|
path = joinTrailingSep(path)
|
|
}
|
|
|
|
t.Logf("\t%s", path)
|
|
|
|
return nil
|
|
})
|
|
|
|
t.Logf("logging directory contents: %q", dirPath)
|
|
|
|
if err := filepath.Walk(dirPath, logWalkedPaths); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}
|
|
|
|
func testCopyHelper(t *testing.T, srcPath, dstPath string) (err error) {
|
|
t.Logf("copying from %q to %q", srcPath, dstPath)
|
|
|
|
return CopyResource(srcPath, dstPath)
|
|
}
|
|
|
|
// Basic assumptions about SRC and DST:
|
|
// 1. SRC must exist.
|
|
// 2. If SRC ends with a trailing separator, it must be a directory.
|
|
// 3. DST parent directory must exist.
|
|
// 4. If DST exists as a file, it must not end with a trailing separator.
|
|
|
|
// First get these easy error cases out of the way.
|
|
|
|
// Test for error when SRC does not exist.
|
|
func TestCopyErrSrcNotExists(t *testing.T) {
|
|
tmpDirA, tmpDirB := getTestTempDirs(t)
|
|
defer removeAllPaths(tmpDirA, tmpDirB)
|
|
|
|
content, err := TarResource(filepath.Join(tmpDirA, "file1"))
|
|
if err == nil {
|
|
content.Close()
|
|
t.Fatal("expected IsNotExist error, but got nil instead")
|
|
}
|
|
|
|
if !os.IsNotExist(err) {
|
|
t.Fatalf("expected IsNotExist error, but got %T: %s", err, err)
|
|
}
|
|
}
|
|
|
|
// Test for error when SRC ends in a trailing
|
|
// path separator but it exists as a file.
|
|
func TestCopyErrSrcNotDir(t *testing.T) {
|
|
tmpDirA, tmpDirB := getTestTempDirs(t)
|
|
defer removeAllPaths(tmpDirA, tmpDirB)
|
|
|
|
// Load A with some sample files and directories.
|
|
createSampleDir(t, tmpDirA)
|
|
|
|
content, err := TarResource(joinTrailingSep(tmpDirA, "file1"))
|
|
if err == nil {
|
|
content.Close()
|
|
t.Fatal("expected IsNotDir error, but got nil instead")
|
|
}
|
|
|
|
if !isNotDir(err) {
|
|
t.Fatalf("expected IsNotDir error, but got %T: %s", err, err)
|
|
}
|
|
}
|
|
|
|
// Test for error when SRC is a valid file or directory,
|
|
// but the DST parent directory does not exist.
|
|
func TestCopyErrDstParentNotExists(t *testing.T) {
|
|
tmpDirA, tmpDirB := getTestTempDirs(t)
|
|
defer removeAllPaths(tmpDirA, tmpDirB)
|
|
|
|
// Load A with some sample files and directories.
|
|
createSampleDir(t, tmpDirA)
|
|
|
|
srcInfo := CopyInfo{Path: filepath.Join(tmpDirA, "file1"), Exists: true, IsDir: false}
|
|
|
|
// Try with a file source.
|
|
content, err := TarResource(srcInfo.Path)
|
|
if err != nil {
|
|
t.Fatalf("unexpected error %T: %s", err, err)
|
|
}
|
|
defer content.Close()
|
|
|
|
// Copy to a file whose parent does not exist.
|
|
if err = CopyTo(content, srcInfo, filepath.Join(tmpDirB, "fakeParentDir", "file1")); err == nil {
|
|
t.Fatal("expected IsNotExist error, but got nil instead")
|
|
}
|
|
|
|
if !os.IsNotExist(err) {
|
|
t.Fatalf("expected IsNotExist error, but got %T: %s", err, err)
|
|
}
|
|
|
|
// Try with a directory source.
|
|
srcInfo = CopyInfo{Path: filepath.Join(tmpDirA, "dir1"), Exists: true, IsDir: true}
|
|
|
|
content, err = TarResource(srcInfo.Path)
|
|
if err != nil {
|
|
t.Fatalf("unexpected error %T: %s", err, err)
|
|
}
|
|
defer content.Close()
|
|
|
|
// Copy to a directory whose parent does not exist.
|
|
if err = CopyTo(content, srcInfo, joinTrailingSep(tmpDirB, "fakeParentDir", "fakeDstDir")); err == nil {
|
|
t.Fatal("expected IsNotExist error, but got nil instead")
|
|
}
|
|
|
|
if !os.IsNotExist(err) {
|
|
t.Fatalf("expected IsNotExist error, but got %T: %s", err, err)
|
|
}
|
|
}
|
|
|
|
// Test for error when DST ends in a trailing
|
|
// path separator but exists as a file.
|
|
func TestCopyErrDstNotDir(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)
|
|
|
|
// Try with a file source.
|
|
srcInfo := CopyInfo{Path: filepath.Join(tmpDirA, "file1"), Exists: true, IsDir: false}
|
|
|
|
content, err := TarResource(srcInfo.Path)
|
|
if err != nil {
|
|
t.Fatalf("unexpected error %T: %s", err, err)
|
|
}
|
|
defer content.Close()
|
|
|
|
if err = CopyTo(content, srcInfo, joinTrailingSep(tmpDirB, "file1")); err == nil {
|
|
t.Fatal("expected IsNotDir error, but got nil instead")
|
|
}
|
|
|
|
if !isNotDir(err) {
|
|
t.Fatalf("expected IsNotDir error, but got %T: %s", err, err)
|
|
}
|
|
|
|
// Try with a directory source.
|
|
srcInfo = CopyInfo{Path: filepath.Join(tmpDirA, "dir1"), Exists: true, IsDir: true}
|
|
|
|
content, err = TarResource(srcInfo.Path)
|
|
if err != nil {
|
|
t.Fatalf("unexpected error %T: %s", err, err)
|
|
}
|
|
defer content.Close()
|
|
|
|
if err = CopyTo(content, srcInfo, joinTrailingSep(tmpDirB, "file1")); err == nil {
|
|
t.Fatal("expected IsNotDir error, but got nil instead")
|
|
}
|
|
|
|
if !isNotDir(err) {
|
|
t.Fatalf("expected IsNotDir error, but got %T: %s", err, err)
|
|
}
|
|
}
|
|
|
|
// Possibilities are reduced to the remaining 10 cases:
|
|
//
|
|
// case | srcIsDir | onlyDirContents | dstExists | dstIsDir | dstTrSep | action
|
|
// ===================================================================================================
|
|
// A | no | - | no | - | no | create file
|
|
// B | no | - | no | - | yes | error
|
|
// C | no | - | yes | no | - | overwrite file
|
|
// D | no | - | yes | yes | - | create file in dst dir
|
|
// E | yes | no | no | - | - | create dir, copy contents
|
|
// F | yes | no | yes | no | - | error
|
|
// G | yes | no | yes | yes | - | copy dir and contents
|
|
// H | yes | yes | no | - | - | create dir, copy contents
|
|
// I | yes | yes | yes | no | - | error
|
|
// J | yes | yes | yes | yes | - | copy dir contents
|
|
//
|
|
|
|
// A. SRC specifies a file and DST (no trailing path separator) doesn't
|
|
// exist. This should create a file with the name DST and copy the
|
|
// contents of the source file into it.
|
|
func TestCopyCaseA(t *testing.T) {
|
|
tmpDirA, tmpDirB := getTestTempDirs(t)
|
|
defer removeAllPaths(tmpDirA, tmpDirB)
|
|
|
|
// Load A with some sample files and directories.
|
|
createSampleDir(t, tmpDirA)
|
|
|
|
srcPath := filepath.Join(tmpDirA, "file1")
|
|
dstPath := filepath.Join(tmpDirB, "itWorks.txt")
|
|
|
|
var err error
|
|
|
|
if err = testCopyHelper(t, srcPath, dstPath); err != nil {
|
|
t.Fatalf("unexpected error %T: %s", err, err)
|
|
}
|
|
|
|
if err = fileContentsEqual(t, srcPath, dstPath); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}
|
|
|
|
// B. SRC specifies a file and DST (with trailing path separator) doesn't
|
|
// exist. This should cause an error because the copy operation cannot
|
|
// create a directory when copying a single file.
|
|
func TestCopyCaseB(t *testing.T) {
|
|
tmpDirA, tmpDirB := getTestTempDirs(t)
|
|
defer removeAllPaths(tmpDirA, tmpDirB)
|
|
|
|
// Load A with some sample files and directories.
|
|
createSampleDir(t, tmpDirA)
|
|
|
|
srcPath := filepath.Join(tmpDirA, "file1")
|
|
dstDir := joinTrailingSep(tmpDirB, "testDir")
|
|
|
|
var err error
|
|
|
|
if err = testCopyHelper(t, srcPath, dstDir); err == nil {
|
|
t.Fatal("expected ErrDirNotExists error, but got nil instead")
|
|
}
|
|
|
|
if err != ErrDirNotExists {
|
|
t.Fatalf("expected ErrDirNotExists error, but got %T: %s", err, err)
|
|
}
|
|
}
|
|
|
|
// C. SRC specifies a file and DST exists as a file. This should overwrite
|
|
// the file at DST with the contents of the source file.
|
|
func TestCopyCaseC(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)
|
|
|
|
srcPath := filepath.Join(tmpDirA, "file1")
|
|
dstPath := filepath.Join(tmpDirB, "file2")
|
|
|
|
var err error
|
|
|
|
// Ensure they start out different.
|
|
if err = fileContentsEqual(t, srcPath, dstPath); err == nil {
|
|
t.Fatal("expected different file contents")
|
|
}
|
|
|
|
if err = testCopyHelper(t, srcPath, dstPath); err != nil {
|
|
t.Fatalf("unexpected error %T: %s", err, err)
|
|
}
|
|
|
|
if err = fileContentsEqual(t, srcPath, dstPath); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}
|
|
|
|
// D. SRC specifies a file and DST exists as a directory. This should place
|
|
// a copy of the source file inside it using the basename from SRC. Ensure
|
|
// this works whether DST has a trailing path separator or not.
|
|
func TestCopyCaseD(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)
|
|
|
|
srcPath := filepath.Join(tmpDirA, "file1")
|
|
dstDir := filepath.Join(tmpDirB, "dir1")
|
|
dstPath := filepath.Join(dstDir, "file1")
|
|
|
|
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 = testCopyHelper(t, srcPath, dstDir); err != nil {
|
|
t.Fatalf("unexpected error %T: %s", err, err)
|
|
}
|
|
|
|
if err = fileContentsEqual(t, srcPath, dstPath); err != nil {
|
|
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)
|
|
}
|
|
|
|
if err = os.MkdirAll(dstDir, os.FileMode(0755)); err != nil {
|
|
t.Fatalf("unable to make dstDir: %s", err)
|
|
}
|
|
|
|
dstDir = joinTrailingSep(tmpDirB, "dir1")
|
|
|
|
if err = testCopyHelper(t, srcPath, dstDir); err != nil {
|
|
t.Fatalf("unexpected error %T: %s", err, err)
|
|
}
|
|
|
|
if err = fileContentsEqual(t, srcPath, dstPath); err != nil {
|
|
t.Fatal(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)
|
|
}
|
|
|
|
if err = dirContentsEqual(t, dstDir, srcDir); err != nil {
|
|
t.Fatal(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")
|
|
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)
|
|
}
|
|
}
|
|
|
|
// 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)
|
|
}
|
|
|
|
if err = dirContentsEqual(t, resultDir, srcDir); err != nil {
|
|
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)
|
|
}
|
|
|
|
if err = os.MkdirAll(dstDir, os.FileMode(0755)); 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)
|
|
}
|
|
|
|
if err = dirContentsEqual(t, resultDir, srcDir); err != nil {
|
|
t.Fatal(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)
|
|
}
|
|
}
|
|
|
|
// I. SRC specifies a direcotry'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") + "."
|
|
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)
|
|
}
|
|
}
|
|
|
|
// 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
|
|
|
|
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.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)
|
|
}
|
|
|
|
if err = os.MkdirAll(dstDir, os.FileMode(0755)); 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)
|
|
}
|
|
|
|
if err = dirContentsEqual(t, dstDir, srcDir); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}
|