package common

import (
	"testing"

	"github.com/hashicorp/packer/helper/communicator"
)

func testConfig() *RunConfig {
	return &RunConfig{
		SourceImageId: "ucloud_image",
		InstanceType:  "n-basic-2",
		Zone:          "cn-bj2-02",
		Comm: communicator.Config{
			SSH: communicator.SSH{
				SSHUsername: "ucloud",
			},
		},
	}
}

func TestRunConfigPrepare(t *testing.T) {
	c := testConfig()
	err := c.Prepare(nil)
	if len(err) > 0 {
		t.Fatalf("err: %s", err)
	}
}

func TestRunConfigPrepare_InstanceType(t *testing.T) {
	c := testConfig()
	c.InstanceType = ""
	if err := c.Prepare(nil); len(err) != 1 {
		t.Fatalf("err: %s", err)
	}
}

func TestRunConfigPrepare_SourceImage(t *testing.T) {
	c := testConfig()
	c.SourceImageId = ""
	if err := c.Prepare(nil); len(err) != 1 {
		t.Fatalf("err: %s", err)
	}
}

func TestRunConfigPrepare_SSHPort(t *testing.T) {
	c := testConfig()
	c.Comm.SSHPort = 0
	if err := c.Prepare(nil); len(err) != 0 {
		t.Fatalf("err: %s", err)
	}

	if c.Comm.SSHPort != 22 {
		t.Fatalf("invalid value: %d", c.Comm.SSHPort)
	}

	c.Comm.SSHPort = 44
	if err := c.Prepare(nil); len(err) != 0 {
		t.Fatalf("err: %s", err)
	}

	if c.Comm.SSHPort != 44 {
		t.Fatalf("invalid value: %d", c.Comm.SSHPort)
	}
}