github.com/ssdev-go/moby@v17.12.1-ce-rc2+incompatible/pkg/pidfile/pidfile_test.go (about)

     1  package pidfile
     2  
     3  import (
     4  	"io/ioutil"
     5  	"os"
     6  	"path/filepath"
     7  	"testing"
     8  )
     9  
    10  func TestNewAndRemove(t *testing.T) {
    11  	dir, err := ioutil.TempDir(os.TempDir(), "test-pidfile")
    12  	if err != nil {
    13  		t.Fatal("Could not create test directory")
    14  	}
    15  
    16  	path := filepath.Join(dir, "testfile")
    17  	file, err := New(path)
    18  	if err != nil {
    19  		t.Fatal("Could not create test file", err)
    20  	}
    21  
    22  	_, err = New(path)
    23  	if err == nil {
    24  		t.Fatal("Test file creation not blocked")
    25  	}
    26  
    27  	if err := file.Remove(); err != nil {
    28  		t.Fatal("Could not delete created test file")
    29  	}
    30  }
    31  
    32  func TestRemoveInvalidPath(t *testing.T) {
    33  	file := PIDFile{path: filepath.Join("foo", "bar")}
    34  
    35  	if err := file.Remove(); err == nil {
    36  		t.Fatal("Non-existing file doesn't give an error on delete")
    37  	}
    38  }