packer-cn/packer/rpc/command_test.go

85 lines
1.6 KiB
Go

package rpc
import (
"github.com/mitchellh/packer/packer"
"net/rpc"
"reflect"
"testing"
)
type TestCommand struct {
runArgs []string
runCalled bool
runEnv packer.Environment
}
func (tc *TestCommand) Help() string {
return "bar"
}
func (tc *TestCommand) Run(env packer.Environment, args []string) int {
tc.runCalled = true
tc.runArgs = args
tc.runEnv = env
return 0
}
func (tc *TestCommand) Synopsis() string {
return "foo"
}
func TestRPCCommand(t *testing.T) {
// Create the command
command := new(TestCommand)
// Start the server
server := rpc.NewServer()
RegisterCommand(server, command)
address := serveSingleConn(server)
// Create the command client over RPC and run some methods to verify
// we get the proper behavior.
client, err := rpc.Dial("tcp", address)
if err != nil {
t.Fatalf("err: %s", err)
}
clientComm := Command(client)
//Test Help
help := clientComm.Help()
if help != "bar" {
t.Fatalf("bad: %s", help)
}
// Test run
runArgs := []string{"foo", "bar"}
testEnv := &testEnvironment{}
exitCode := clientComm.Run(testEnv, runArgs)
if !reflect.DeepEqual(command.runArgs, runArgs) {
t.Fatalf("bad: %#v", command.runArgs)
}
if exitCode != 0 {
t.Fatalf("bad: %d", exitCode)
}
if command.runEnv == nil {
t.Fatal("runEnv should not be nil")
}
command.runEnv.Ui()
if !testEnv.uiCalled {
t.Fatal("ui should be called")
}
// Test Synopsis
synopsis := clientComm.Synopsis()
if synopsis != "foo" {
t.Fatalf("bad: %#v", synopsis)
}
}
func TestCommand_Implements(t *testing.T) {
var _ packer.Command = Command(nil)
}