packer-cn/packer/rpc/builder_test.go

150 lines
2.9 KiB
Go

package rpc
import (
"github.com/mitchellh/packer/packer"
"net/rpc"
"reflect"
"testing"
)
var testBuilderArtifact = &testArtifact{}
func builderRPCClient(t *testing.T) (*packer.MockBuilder, packer.Builder) {
b := new(packer.MockBuilder)
// Start the server
server := rpc.NewServer()
RegisterBuilder(server, b)
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 {
t.Fatalf("err: %s", err)
}
return b, Builder(client)
}
func TestBuilderPrepare(t *testing.T) {
b, bClient := builderRPCClient(t)
// Test Prepare
config := 42
warnings, err := bClient.Prepare(config)
if err != nil {
t.Fatalf("bad: %s", err)
}
if len(warnings) > 0 {
t.Fatalf("bad: %#v", warnings)
}
if !b.PrepareCalled {
t.Fatal("should be called")
}
if !reflect.DeepEqual(b.PrepareConfig, []interface{}{42}) {
t.Fatalf("bad: %#v", b.PrepareConfig)
}
}
func TestBuilderPrepare_Warnings(t *testing.T) {
b, bClient := builderRPCClient(t)
expected := []string{"foo"}
b.PrepareWarnings = expected
// Test Prepare
warnings, err := bClient.Prepare(nil)
if err != nil {
t.Fatalf("bad: %s", err)
}
if !reflect.DeepEqual(warnings, expected) {
t.Fatalf("bad: %#v", warnings)
}
}
func TestBuilderRun(t *testing.T) {
b, bClient := builderRPCClient(t)
// Test Run
cache := new(testCache)
hook := &packer.MockHook{}
ui := &testUi{}
artifact, err := bClient.Run(ui, hook, cache)
if err != nil {
t.Fatalf("err: %s", err)
}
if !b.RunCalled {
t.Fatal("run should be called")
}
b.RunCache.Lock("foo")
if !cache.lockCalled {
t.Fatal("should be called")
}
b.RunHook.Run("foo", nil, nil, nil)
if !hook.RunCalled {
t.Fatal("should be called")
}
b.RunUi.Say("format")
if !ui.sayCalled {
t.Fatal("say should be called")
}
if ui.sayMessage != "format" {
t.Fatalf("bad: %s", ui.sayMessage)
}
if artifact.Id() != testBuilderArtifact.Id() {
t.Fatalf("bad: %s", artifact.Id())
}
}
func TestBuilderRun_nilResult(t *testing.T) {
b, bClient := builderRPCClient(t)
b.RunNilResult = true
cache := new(testCache)
hook := &packer.MockHook{}
ui := &testUi{}
artifact, err := bClient.Run(ui, hook, cache)
if artifact != nil {
t.Fatalf("bad: %#v", artifact)
}
if err != nil {
t.Fatalf("bad: %#v", err)
}
}
func TestBuilderRun_ErrResult(t *testing.T) {
b, bClient := builderRPCClient(t)
b.RunErrResult = true
cache := new(testCache)
hook := &packer.MockHook{}
ui := &testUi{}
artifact, err := bClient.Run(ui, hook, cache)
if artifact != nil {
t.Fatalf("bad: %#v", artifact)
}
if err == nil {
t.Fatal("should have error")
}
}
func TestBuilderCancel(t *testing.T) {
b, bClient := builderRPCClient(t)
bClient.Cancel()
if !b.CancelCalled {
t.Fatal("cancel should be called")
}
}
func TestBuilder_ImplementsBuilder(t *testing.T) {
var _ packer.Builder = Builder(nil)
}