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Merge pull request #12204 from yestin/11601-supplement-tests-part-1

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Improve test accuracy for pkg/chrootarchive (part 1)
This commit is contained in:
Evan Hazlett 2015-04-13 16:14:18 -04:00
commit 86168f3594
1 changed files with 49 additions and 15 deletions
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64
chrootarchive/archive_test.go
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@ -96,15 +96,15 @@ func TestChrootUntarEmptyArchive(t *testing.T) {
}
}
func prepareSourceDirectory(numberOfFiles int, targetPath string, makeLinks bool) (int, error) {
func prepareSourceDirectory(numberOfFiles int, targetPath string, makeSymLinks bool) (int, error) {
fileData := []byte("fooo")
for n := 0; n < numberOfFiles; n++ {
fileName := fmt.Sprintf("file-%d", n)
if err := ioutil.WriteFile(path.Join(targetPath, fileName), fileData, 0700); err != nil {
return 0, err
}
if makeLinks {
if err := os.Link(path.Join(targetPath, fileName), path.Join(targetPath, fileName+"-link")); err != nil {
if makeSymLinks {
if err := os.Symlink(path.Join(targetPath, fileName), path.Join(targetPath, fileName+"-link")); err != nil {
return 0, err
}
}
@ -113,8 +113,19 @@ func prepareSourceDirectory(numberOfFiles int, targetPath string, makeLinks bool
return totalSize, nil
}
func TestChrootTarUntarWithSoftLink(t *testing.T) {
tmpdir, err := ioutil.TempDir("", "docker-TestChrootTarUntarWithSoftLink")
func compareDirectories(src string, dest string) error {
changes, err := archive.ChangesDirs(dest, src)
if err != nil {
return err
}
if len(changes) > 0 {
return fmt.Errorf("Unexpected differences after untar: %v", changes)
}
return nil
}
func TestChrootTarUntarWithSymlink(t *testing.T) {
tmpdir, err := ioutil.TempDir("", "docker-TestChrootTarUntarWithSymlink")
if err != nil {
t.Fatal(err)
}
@ -130,6 +141,9 @@ func TestChrootTarUntarWithSoftLink(t *testing.T) {
if err := TarUntar(src, dest); err != nil {
t.Fatal(err)
}
if err := compareDirectories(src, dest); err != nil {
t.Fatal(err)
}
}
func TestChrootCopyWithTar(t *testing.T) {
@ -145,19 +159,29 @@ func TestChrootCopyWithTar(t *testing.T) {
if _, err := prepareSourceDirectory(10, src, true); err != nil {
t.Fatal(err)
}
dest := filepath.Join(tmpdir, "dest")
// Copy directory
dest := filepath.Join(tmpdir, "dest")
if err := CopyWithTar(src, dest); err != nil {
t.Fatal(err)
}
// Copy file
srcfile := filepath.Join(src, "file-1")
if err := CopyWithTar(srcfile, dest); err != nil {
if err := compareDirectories(src, dest); err != nil {
t.Fatal(err)
}
// Copy file
srcfile := filepath.Join(src, "file-1")
dest = filepath.Join(tmpdir, "destFile")
destfile := filepath.Join(dest, "file-1")
if err := CopyWithTar(srcfile, destfile); err != nil {
t.Fatal(err)
}
// Copy symbolic link
linkfile := filepath.Join(src, "file-1-link")
if err := CopyWithTar(linkfile, dest); err != nil {
srcLinkfile := filepath.Join(src, "file-1-link")
dest = filepath.Join(tmpdir, "destSymlink")
destLinkfile := filepath.Join(dest, "file-1-link")
if err := CopyWithTar(srcLinkfile, destLinkfile); err != nil {
t.Fatal(err)
}
}
@ -175,19 +199,26 @@ func TestChrootCopyFileWithTar(t *testing.T) {
if _, err := prepareSourceDirectory(10, src, true); err != nil {
t.Fatal(err)
}
dest := filepath.Join(tmpdir, "dest")
// Copy directory
dest := filepath.Join(tmpdir, "dest")
if err := CopyFileWithTar(src, dest); err == nil {
t.Fatal("Expected error on copying directory")
}
// Copy file
srcfile := filepath.Join(src, "file-1")
if err := CopyFileWithTar(srcfile, dest); err != nil {
dest = filepath.Join(tmpdir, "destFile")
destfile := filepath.Join(dest, "file-1")
if err := CopyFileWithTar(srcfile, destfile); err != nil {
t.Fatal(err)
}
// Copy symbolic link
linkfile := filepath.Join(src, "file-1-link")
if err := CopyFileWithTar(linkfile, dest); err != nil {
srcLinkfile := filepath.Join(src, "file-1-link")
dest = filepath.Join(tmpdir, "destSymlink")
destLinkfile := filepath.Join(dest, "file-1-link")
if err := CopyFileWithTar(srcLinkfile, destLinkfile); err != nil {
t.Fatal(err)
}
}
@ -225,6 +256,9 @@ func TestChrootUntarPath(t *testing.T) {
if err := UntarPath(tarfile, dest); err != nil {
t.Fatal(err)
}
if err := compareDirectories(src, dest); err != nil {
t.Fatal(err)
}
}
type slowEmptyTarReader struct {