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Merge pull request #12360 from yestin/11601-supplement-tests-part-2

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Improve test accuracy for pkg/chrootarchive (part 2)
This commit is contained in:
Phil Estes 2015-04-14 21:00:12 -04:00
commit da697dbed6
1 changed files with 38 additions and 0 deletions
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38
pkg/chrootarchive/archive_test.go
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@ -3,6 +3,7 @@ package chrootarchive
import (
"bytes"
"fmt"
"hash/crc32"
"io"
"io/ioutil"
"os"
@ -113,6 +114,16 @@ func prepareSourceDirectory(numberOfFiles int, targetPath string, makeSymLinks b
return totalSize, nil
}
func getHash(filename string) (uint32, error) {
stream, err := ioutil.ReadFile(filename)
if err != nil {
return 0, err
}
hash := crc32.NewIEEE()
hash.Write(stream)
return hash.Sum32(), nil
}
func compareDirectories(src string, dest string) error {
changes, err := archive.ChangesDirs(dest, src)
if err != nil {
@ -124,6 +135,21 @@ func compareDirectories(src string, dest string) error {
return nil
}
func compareFiles(src string, dest string) error {
srcHash, err := getHash(src)
if err != nil {
return err
}
destHash, err := getHash(dest)
if err != nil {
return err
}
if srcHash != destHash {
return fmt.Errorf("%s is different from %s", src, dest)
}
return nil
}
func TestChrootTarUntarWithSymlink(t *testing.T) {
tmpdir, err := ioutil.TempDir("", "docker-TestChrootTarUntarWithSymlink")
if err != nil {
@ -176,6 +202,9 @@ func TestChrootCopyWithTar(t *testing.T) {
if err := CopyWithTar(srcfile, destfile); err != nil {
t.Fatal(err)
}
if err := compareFiles(srcfile, destfile); err != nil {
t.Fatal(err)
}
// Copy symbolic link
srcLinkfile := filepath.Join(src, "file-1-link")
@ -184,6 +213,9 @@ func TestChrootCopyWithTar(t *testing.T) {
if err := CopyWithTar(srcLinkfile, destLinkfile); err != nil {
t.Fatal(err)
}
if err := compareFiles(srcLinkfile, destLinkfile); err != nil {
t.Fatal(err)
}
}
func TestChrootCopyFileWithTar(t *testing.T) {
@ -213,6 +245,9 @@ func TestChrootCopyFileWithTar(t *testing.T) {
if err := CopyFileWithTar(srcfile, destfile); err != nil {
t.Fatal(err)
}
if err := compareFiles(srcfile, destfile); err != nil {
t.Fatal(err)
}
// Copy symbolic link
srcLinkfile := filepath.Join(src, "file-1-link")
@ -221,6 +256,9 @@ func TestChrootCopyFileWithTar(t *testing.T) {
if err := CopyFileWithTar(srcLinkfile, destLinkfile); err != nil {
t.Fatal(err)
}
if err := compareFiles(srcLinkfile, destLinkfile); err != nil {
t.Fatal(err)
}
}
func TestChrootUntarPath(t *testing.T) {