buildah/copier/xattrs_test.go

59 lines
1.4 KiB
Go

package copier
import (
"errors"
"fmt"
"os"
"syscall"
"testing"
"github.com/stretchr/testify/assert"
)
func init() {
// exercise the ERANGE-handling logic
initialXattrListSize = 1
initialXattrValueSize = 1
}
func TestXattrs(t *testing.T) {
t.Parallel()
if !xattrsSupported {
t.Skipf("xattrs are not supported on this platform, skipping")
}
testValues := map[string]string{
"user.a": "attribute value a",
"user.b": "attribute value b",
}
tmp := t.TempDir()
for attribute, value := range testValues {
t.Run(fmt.Sprintf("attribute=%s", attribute), func(t *testing.T) {
f, err := os.CreateTemp(tmp, "copier-xattr-test-")
if !assert.Nil(t, err, "error creating test file: %v", err) {
t.FailNow()
}
defer os.Remove(f.Name())
err = Lsetxattrs(f.Name(), map[string]string{attribute: value})
if errors.Is(err, syscall.ENOTSUP) {
t.Skipf("extended attributes not supported on %q, skipping", tmp)
}
if !assert.Nil(t, err, "error setting attribute on file: %v", err) {
t.FailNow()
}
xattrs, err := Lgetxattrs(f.Name())
if !assert.Nil(t, err, "error reading attributes of file: %v", err) {
t.FailNow()
}
xvalue, ok := xattrs[attribute]
if !assert.True(t, ok, "did not read back attribute %q for file", attribute) {
t.FailNow()
}
if !assert.Equal(t, value, xvalue, "read back different value for attribute %q", attribute) {
t.FailNow()
}
})
}
}