system_test.go

system_test.go

package system_test

import (
        "io/ioutil"
        "os"
        "testing"

        "github.com/docker/libcontainer/system"
        "github.com/docker/libcontainer/selinux"
)

func TestAccessXattr(t *testing.T) () {
        cwd, err := os.Getwd()
        if err != nil {
                t.Fatalf("Failed to get pwd: %v", err)
        }

        f, err := ioutil.TempFile(cwd, "xattr_test")
        if err != nil {
                t.Fatalf("Failed to create test file: %v", err)
        }
        defer os.Remove(f.Name())

        xattrName := "user.test"
        xattrValue := "test"

        err = system.Lsetxattr(f.Name(), xattrName, []byte(xattrValue), 0)
        if err != nil {
                t.Fatalf("Failed to set xattr value: %v", err)
        }

        setValueBytes, err := system.Lgetxattr(f.Name(), xattrName)
        if err != nil {
                t.Fatalf("Failed to get xattr value: %v", err)
        }

        t.Log("setValueBytes %v %v", setValueBytes, len(setValueBytes))
        setValue := string(setValueBytes)
        t.Log("setValue %v %v", setValue, len(setValue))
        t.Log("xattrValue %v %v", xattrValue, len(xattrValue))

        if len(setValue) != len(xattrValue) {
                t.Fatalf("Length of attribute does not match set value")
        }

        if setValue != xattrValue {
                t.Fatalf("Did not get back expected value back. We set %v, but got back %v", xattrValue, setValue)
        }

        con, err := selinux.GetfileconBytes("/etc/myfile")
        if err != nil {
                t.Fatalf("Failed to get selinux context: %v", err)
        }
        t.Log(con)
        t.Log(len(con))
        t.Log("Success")
}

=== RUN TestAccessXattr
--- PASS: TestAccessXattr (0.00s)
        system_test.go:37: setValueBytes %v %v [116 101 115 116] 4
        system_test.go:39: setValue %v %v test 4
        system_test.go:40: xattrValue %v %v test 4
        system_test.go:54: [117 110 99 111 110 102 105 110 101 100 95 117 58 111 98 106 101 99 116 95 114 58 101 116 99 95 116 58 115 48 0]
        system_test.go:55: 31
        system_test.go:56: Success
PASS
ok      github.com/docker/libcontainer/system   0.002s