github.com/demonoid81/moby@v0.0.0-20200517203328-62dd8e17c460/daemon/graphdriver/driver_test.go (about)

     1  package graphdriver // import "github.com/demonoid81/moby/daemon/graphdriver"
     2  
     3  import (
     4  	"io/ioutil"
     5  	"os"
     6  	"path/filepath"
     7  	"testing"
     8  
     9  	"gotest.tools/v3/assert"
    10  )
    11  
    12  func TestIsEmptyDir(t *testing.T) {
    13  	tmp, err := ioutil.TempDir("", "test-is-empty-dir")
    14  	assert.NilError(t, err)
    15  	defer os.RemoveAll(tmp)
    16  
    17  	d := filepath.Join(tmp, "empty-dir")
    18  	err = os.Mkdir(d, 0755)
    19  	assert.NilError(t, err)
    20  	empty := isEmptyDir(d)
    21  	assert.Check(t, empty)
    22  
    23  	d = filepath.Join(tmp, "dir-with-subdir")
    24  	err = os.MkdirAll(filepath.Join(d, "subdir"), 0755)
    25  	assert.NilError(t, err)
    26  	empty = isEmptyDir(d)
    27  	assert.Check(t, !empty)
    28  
    29  	d = filepath.Join(tmp, "dir-with-empty-file")
    30  	err = os.Mkdir(d, 0755)
    31  	assert.NilError(t, err)
    32  	_, err = ioutil.TempFile(d, "file")
    33  	assert.NilError(t, err)
    34  	empty = isEmptyDir(d)
    35  	assert.Check(t, !empty)
    36  }