package docker //nolint:testpackage // tests unexported buildMounts

import (
	"testing"

	"github.com/docker/docker/api/types/mount"
	"github.com/stretchr/testify/assert"
)

// TestBuildMountsCreatesMissingHostPath checks that every mount asks Docker
// to create its host path if it is missing, and keeps the rest of the volume
// as configured.
func TestBuildMountsCreatesMissingHostPath(t *testing.T) {
	t.Parallel()

	volumes := []VolumeMount{
		{HostPath: "/srv/app/data", ContainerPath: "/data", ReadOnly: false},
		{HostPath: "/srv/app/config", ContainerPath: "/etc/app", ReadOnly: true},
	}

	want := []mount.Mount{
		{
			Type:        mount.TypeBind,
			Source:      "/srv/app/data",
			Target:      "/data",
			ReadOnly:    false,
			BindOptions: &mount.BindOptions{CreateMountpoint: true},
		},
		{
			Type:        mount.TypeBind,
			Source:      "/srv/app/config",
			Target:      "/etc/app",
			ReadOnly:    true,
			BindOptions: &mount.BindOptions{CreateMountpoint: true},
		},
	}

	assert.Equal(t, want, buildMounts(volumes))
}