packer-cn/packer/rpc/ui_test.go

55 lines
1.1 KiB
Go

package rpc
import (
"cgl.tideland.biz/asserts"
"net/rpc"
"testing"
)
type testUi struct {
errorCalled bool
errorFormat string
errorVars []interface{}
sayCalled bool
sayFormat string
sayVars []interface{}
}
func (u *testUi) Error(format string, a ...interface{}) {
u.errorCalled = true
u.errorFormat = format
u.errorVars = a
}
func (u *testUi) Say(format string, a ...interface{}) {
u.sayCalled = true
u.sayFormat = format
u.sayVars = a
}
func TestUiRPC(t *testing.T) {
assert := asserts.NewTestingAsserts(t, true)
// Create the UI to test
ui := new(testUi)
// Start the RPC server
server := rpc.NewServer()
RegisterUi(server, ui)
address := serveSingleConn(server)
// Create the client over RPC and run some methods to verify it works
client, err := rpc.Dial("tcp", address)
if err != nil {
panic(err)
}
uiClient := &Ui{client}
uiClient.Error("format", "arg0", 42)
assert.Equal(ui.errorFormat, "format", "format should be correct")
uiClient.Say("format", "arg0", 42)
assert.Equal(ui.sayFormat, "format", "format should be correct")
}