packer-cn/packer/plugin/command_test.go

52 lines
909 B
Go

package plugin
import (
"github.com/mitchellh/packer/packer"
"os/exec"
"testing"
)
type helperCommand byte
func (helperCommand) Help() string {
return "2"
}
func (helperCommand) Run(packer.Environment, []string) int {
return 42
}
func (helperCommand) Synopsis() string {
return "1"
}
func TestCommand_NoExist(t *testing.T) {
c := NewClient(&ClientConfig{Cmd: exec.Command("i-should-not-exist")})
defer c.Kill()
_, err := c.Command()
if err == nil {
t.Fatal("should have error")
}
}
func TestCommand_Good(t *testing.T) {
c := NewClient(&ClientConfig{Cmd: helperProcess("command")})
defer c.Kill()
command, err := c.Command()
if err != nil {
t.Fatalf("should not have error: %s", err)
}
result := command.Synopsis()
if result != "1" {
t.Errorf("synopsis not correct: %s", result)
}
result = command.Help()
if result != "2" {
t.Errorf("help not correct: %s", result)
}
}