mirror of
https://github.com/moby/moby.git
synced 2022-11-09 12:21:53 -05:00
66 lines
1.9 KiB
Go
66 lines
1.9 KiB
Go
package service
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import (
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"context"
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"io/ioutil"
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"os"
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"path/filepath"
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"testing"
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"github.com/docker/docker/pkg/idtools"
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"github.com/docker/docker/volume"
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volumedrivers "github.com/docker/docker/volume/drivers"
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"github.com/docker/docker/volume/local"
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"github.com/docker/docker/volume/service/opts"
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"github.com/docker/docker/volume/testutils"
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"gotest.tools/assert"
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is "gotest.tools/assert/cmp"
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)
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func TestLocalVolumeSize(t *testing.T) {
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t.Parallel()
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ds := volumedrivers.NewStore(nil)
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dir, err := ioutil.TempDir("", t.Name())
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assert.NilError(t, err)
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defer os.RemoveAll(dir)
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l, err := local.New(dir, idtools.Identity{UID: os.Getuid(), GID: os.Getegid()})
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assert.NilError(t, err)
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assert.Assert(t, ds.Register(l, volume.DefaultDriverName))
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assert.Assert(t, ds.Register(testutils.NewFakeDriver("fake"), "fake"))
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service, cleanup := newTestService(t, ds)
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defer cleanup()
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ctx := context.Background()
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v1, err := service.Create(ctx, "test1", volume.DefaultDriverName, opts.WithCreateReference("foo"))
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assert.NilError(t, err)
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v2, err := service.Create(ctx, "test2", volume.DefaultDriverName)
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assert.NilError(t, err)
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_, err = service.Create(ctx, "test3", "fake")
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assert.NilError(t, err)
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data := make([]byte, 1024)
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err = ioutil.WriteFile(filepath.Join(v1.Mountpoint, "data"), data, 0644)
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assert.NilError(t, err)
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err = ioutil.WriteFile(filepath.Join(v2.Mountpoint, "data"), data[:1], 0644)
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assert.NilError(t, err)
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ls, err := service.LocalVolumesSize(ctx)
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assert.NilError(t, err)
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assert.Assert(t, is.Len(ls, 2))
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for _, v := range ls {
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switch v.Name {
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case "test1":
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assert.Assert(t, is.Equal(v.UsageData.Size, int64(len(data))))
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assert.Assert(t, is.Equal(v.UsageData.RefCount, int64(1)))
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case "test2":
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assert.Assert(t, is.Equal(v.UsageData.Size, int64(len(data[:1]))))
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assert.Assert(t, is.Equal(v.UsageData.RefCount, int64(0)))
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default:
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t.Fatalf("got unexpected volume: %+v", v)
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}
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}
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}
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