package container

import (

"io"

"testing"

"github.com/docker/cli/internal/test"

"github.com/moby/moby/client"

"gotest.tools/v3/assert"

"gotest.tools/v3/fs"

)

func TestContainerExportOutputToFile(t *testing.T) {

dir := fs.NewDir(t, "export-test")

defer dir.Remove()

cli := test.NewFakeCli(&fakeClient{

containerExportFunc: func(container string) (client.ContainerExportResult, error) {

// FIXME(thaJeztah): how to mock this?

return mockContainerExportResult("bar"), nil

},

})

cmd := newExportCommand(cli)

cmd.SetOut(io.Discard)

cmd.SetArgs([]string{"-o", dir.Join("foo"), "container"})

assert.NilError(t, cmd.Execute())

expected := fs.Expected(t,

fs.WithFile("foo", "bar", fs.MatchAnyFileMode),

)

assert.Assert(t, fs.Equal(dir.Path(), expected))

}

func TestContainerExportOutputToIrregularFile(t *testing.T) {

cli := test.NewFakeCli(&fakeClient{

containerExportFunc: func(container string) (client.ContainerExportResult, error) {

// FIXME(thaJeztah): how to mock this?

return mockContainerExportResult("foo"), nil

},

})

cmd := newExportCommand(cli)

cmd.SetOut(io.Discard)

cmd.SetErr(io.Discard)

cmd.SetArgs([]string{"-o", "/dev/random", "container"})

const expected = `failed to export container: cannot write to a character device file`

assert.Error(t, cmd.Execute(), expected)

}