зеркало из https://github.com/microsoft/docker.git
119 строки
3.0 KiB
Go
119 строки
3.0 KiB
Go
package archive
|
|
|
|
import (
|
|
"bytes"
|
|
"fmt"
|
|
"io"
|
|
"io/ioutil"
|
|
"os"
|
|
"os/exec"
|
|
"path"
|
|
"testing"
|
|
"time"
|
|
)
|
|
|
|
func TestCmdStreamLargeStderr(t *testing.T) {
|
|
cmd := exec.Command("/bin/sh", "-c", "dd if=/dev/zero bs=1k count=1000 of=/dev/stderr; echo hello")
|
|
out, err := CmdStream(cmd, nil, nil)
|
|
if err != nil {
|
|
t.Fatalf("Failed to start command: %s", err)
|
|
}
|
|
errCh := make(chan error)
|
|
go func() {
|
|
_, err := io.Copy(ioutil.Discard, out)
|
|
errCh <- err
|
|
}()
|
|
select {
|
|
case err := <-errCh:
|
|
if err != nil {
|
|
t.Fatalf("Command should not have failed (err=%.100s...)", err)
|
|
}
|
|
case <-time.After(5 * time.Second):
|
|
t.Fatalf("Command did not complete in 5 seconds; probable deadlock")
|
|
}
|
|
}
|
|
|
|
func TestCmdStreamBad(t *testing.T) {
|
|
badCmd := exec.Command("/bin/sh", "-c", "echo hello; echo >&2 error couldn\\'t reverse the phase pulser; exit 1")
|
|
out, err := CmdStream(badCmd, nil, nil)
|
|
if err != nil {
|
|
t.Fatalf("Failed to start command: %s", err)
|
|
}
|
|
if output, err := ioutil.ReadAll(out); err == nil {
|
|
t.Fatalf("Command should have failed")
|
|
} else if err.Error() != "exit status 1: error couldn't reverse the phase pulser\n" {
|
|
t.Fatalf("Wrong error value (%s)", err)
|
|
} else if s := string(output); s != "hello\n" {
|
|
t.Fatalf("Command output should be '%s', not '%s'", "hello\\n", output)
|
|
}
|
|
}
|
|
|
|
func TestCmdStreamGood(t *testing.T) {
|
|
cmd := exec.Command("/bin/sh", "-c", "echo hello; exit 0")
|
|
out, err := CmdStream(cmd, nil, nil)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if output, err := ioutil.ReadAll(out); err != nil {
|
|
t.Fatalf("Command should not have failed (err=%s)", err)
|
|
} else if s := string(output); s != "hello\n" {
|
|
t.Fatalf("Command output should be '%s', not '%s'", "hello\\n", output)
|
|
}
|
|
}
|
|
|
|
func tarUntar(t *testing.T, origin string, compression Compression) error {
|
|
archive, err := Tar(origin, compression)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
buf := make([]byte, 10)
|
|
if _, err := archive.Read(buf); err != nil {
|
|
return err
|
|
}
|
|
archive = io.MultiReader(bytes.NewReader(buf), archive)
|
|
|
|
detectedCompression := DetectCompression(buf)
|
|
if detectedCompression.Extension() != compression.Extension() {
|
|
return fmt.Errorf("Wrong compression detected. Actual compression: %s, found %s", compression.Extension(), detectedCompression.Extension())
|
|
}
|
|
|
|
tmp, err := ioutil.TempDir("", "docker-test-untar")
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer os.RemoveAll(tmp)
|
|
if err := Untar(archive, tmp, nil); err != nil {
|
|
return err
|
|
}
|
|
if _, err := os.Stat(tmp); err != nil {
|
|
return err
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func TestTarUntar(t *testing.T) {
|
|
origin, err := ioutil.TempDir("", "docker-test-untar-origin")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer os.RemoveAll(origin)
|
|
if err := ioutil.WriteFile(path.Join(origin, "1"), []byte("hello world"), 0700); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if err := ioutil.WriteFile(path.Join(origin, "2"), []byte("welcome!"), 0700); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
for _, c := range []Compression{
|
|
Uncompressed,
|
|
Gzip,
|
|
Bzip2,
|
|
Xz,
|
|
} {
|
|
if err := tarUntar(t, origin, c); err != nil {
|
|
t.Fatalf("Error tar/untar for compression %s: %s", c.Extension(), err)
|
|
}
|
|
}
|
|
}
|