volume/volume_linux_test.go

   1 // +build linux
   2
   3 package volume
   4
   5 import (
   6         "strings"
   7         "testing"
   8
   9         mounttypes "github.com/docker/docker/api/types/mount"
  10 )
  11
  12 func TestConvertTmpfsOptions(t *testing.T) {
  13         type testCase struct {
  14                 opt                  mounttypes.TmpfsOptions
  15                 readOnly             bool
  16                 expectedSubstrings   []string
  17                 unexpectedSubstrings []string
  18         }
  19         cases := []testCase{
  20                 {
  21                         opt:                  mounttypes.TmpfsOptions{SizeBytes: 1024 * 1024, Mode: 0700},
  22                         readOnly:             false,
  23                         expectedSubstrings:   []string{"size=1m", "mode=700"},
  24                         unexpectedSubstrings: []string{"ro"},
  25                 },
  26                 {
  27                         opt:                  mounttypes.TmpfsOptions{},
  28                         readOnly:             true,
  29                         expectedSubstrings:   []string{"ro"},
  30                         unexpectedSubstrings: []string{},
  31                 },
  32         }
  33         for _, c := range cases {
  34                 data, err := ConvertTmpfsOptions(&c.opt, c.readOnly)
  35                 if err != nil {
  36                         t.Fatalf("could not convert %+v (readOnly: %v) to string: %v",
  37                                 c.opt, c.readOnly, err)
  38                 }
  39                 t.Logf("data=%q", data)
  40                 for _, s := range c.expectedSubstrings {
  41                         if !strings.Contains(data, s) {
  42                                 t.Fatalf("expected substring: %s, got %v (case=%+v)", s, data, c)
  43                         }
  44                 }
  45                 for _, s := range c.unexpectedSubstrings {
  46                         if strings.Contains(data, s) {
  47                                 t.Fatalf("unexpected substring: %s, got %v (case=%+v)", s, data, c)
  48                         }
  49                 }
  50         }
  51 }