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moby--moby/volume/volume_linux_test.go

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// +build linux
package volume
import (
"strings"
"testing"
mounttypes "github.com/docker/docker/api/types/mount"
)
func TestConvertTmpfsOptions(t *testing.T) {
type testCase struct {
opt mounttypes.TmpfsOptions
readOnly bool
expectedSubstrings []string
unexpectedSubstrings []string
}
cases := []testCase{
{
opt: mounttypes.TmpfsOptions{SizeBytes: 1024 * 1024, Mode: 0700},
readOnly: false,
expectedSubstrings: []string{"size=1m", "mode=700"},
unexpectedSubstrings: []string{"ro"},
},
{
opt: mounttypes.TmpfsOptions{},
readOnly: true,
expectedSubstrings: []string{"ro"},
unexpectedSubstrings: []string{},
},
}
for _, c := range cases {
data, err := ConvertTmpfsOptions(&c.opt, c.readOnly)
if err != nil {
t.Fatalf("could not convert %+v (readOnly: %v) to string: %v",
c.opt, c.readOnly, err)
}
t.Logf("data=%q", data)
for _, s := range c.expectedSubstrings {
if !strings.Contains(data, s) {
t.Fatalf("expected substring: %s, got %v (case=%+v)", s, data, c)
}
}
for _, s := range c.unexpectedSubstrings {
if strings.Contains(data, s) {
t.Fatalf("unexpected substring: %s, got %v (case=%+v)", s, data, c)
}
}
}
}