packer-cn/packer/rpc/command_test.go

62 lines
1.4 KiB
Go

package rpc
import (
"cgl.tideland.biz/asserts"
"github.com/mitchellh/packer/packer"
"net/rpc"
"testing"
)
type TestCommand struct {
runArgs []string
runCalled bool
runEnv packer.Environment
}
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) {
assert := asserts.NewTestingAsserts(t, true)
// 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)
assert.Nil(err, "should be no error")
clientComm := Command(client)
// Test run
runArgs := []string{"foo", "bar"}
testEnv := &testEnvironment{}
exitCode := clientComm.Run(testEnv, runArgs)
assert.Equal(command.runArgs, runArgs, "Correct args should be sent")
assert.Equal(exitCode, 0, "Exit code should be correct")
assert.NotNil(command.runEnv, "should have an env")
if command.runEnv != nil {
command.runEnv.Ui()
assert.True(testEnv.uiCalled, "UI should be called on env")
}
// Test Synopsis
synopsis := clientComm.Synopsis()
assert.Equal(synopsis, "foo", "Synopsis should be correct")
}