func Test_exec(t *testing.T) {
  engine.Initialize()
  ctx := &engine.Context{
    Output: os.Stdout,
  }
  err := engine.RequestStartup(ctx)
  if err != nil {
    fmt.Println(err)
  }
  defer engine.RequestShutdown(ctx)
  err = ctx.Exec("/tmp/index.php")
  if err != nil {
    fmt.Println(err)
  }
}

<?php
echo("hello\n");

func Test_eval(t *testing.T) {
  engine.Initialize()
  ctx := &engine.Context{}
  err := engine.RequestStartup(ctx)
  if err != nil {
    fmt.Println(err)
  }
  defer engine.RequestShutdown(ctx)
  val, err := ctx.Eval("return 'hello';")
  if err != nil {
    fmt.Println(err)
  }
  defer engine.DestroyValue(val)
  if engine.ToString(val) != "hello" {
    t.FailNow()
  }
}

func Test_argument(t *testing.T) {
  engine.Initialize()
  ctx := &engine.Context{}
  err := engine.RequestStartup(ctx)
  if err != nil {
    fmt.Println(err)
  }
  defer engine.RequestShutdown(ctx)
  err = ctx.Bind("greeting", "hello")
  if err != nil {
    fmt.Println(err)
  }
  val, err := ctx.Eval("return $greeting;")
  if err != nil {
    fmt.Println(err)
  }
  defer engine.DestroyValue(val)
  if engine.ToString(val) != "hello" {
    t.FailNow()
  }
}

type greetingProvider struct {
  greeting string
}

func (provider *greetingProvider) GetGreeting() string {
  return provider.greeting
}

func newGreetingProvider(args []interface{}) interface{} {
  return &greetingProvider{
    greeting: args[0].(string),
  }
}

func Test_callback(t *testing.T) {
  engine.Initialize()
  ctx := &engine.Context{}
  err := engine.RequestStartup(ctx)
  if err != nil {
    fmt.Println(err)
  }
  defer engine.RequestShutdown(ctx)
  err = engine.Define("GreetingProvider", newGreetingProvider)
  if err != nil {
    fmt.Println(err)
  }
  val, err := ctx.Eval(`
  $greetingProvider = new GreetingProvider('hello');
  return $greetingProvider->GetGreeting();`)
  if err != nil {
    fmt.Println(err)
  }
  defer engine.DestroyValue(val)
  if engine.ToString(val) != "hello" {
    t.FailNow()
  }
}

func Test_log(t *testing.T) {
  engine.PHP_INI_PATH_OVERRIDE = "/tmp/php.ini"
  engine.Initialize()
  ctx := &engine.Context{
    Log: os.Stderr,
  }
  err := engine.RequestStartup(ctx)
  if err != nil {
    fmt.Println(err)
  }
  defer engine.RequestShutdown(ctx)
  _, err = ctx.Eval("error_log('hello', 4); trigger_error('sent from golang', E_USER_ERROR);")
  if err != nil {
    fmt.Println(err)
  }
}

error_reporting = E_ALL
error_log = "/tmp/php-error.log"

func Test_http(t *testing.T) {
  engine.Initialize()
  recorder := httptest.NewRecorder()
  ctx := &engine.Context{
    Request: httptest.NewRequest("GET", "/hello", nil),
    ResponseWriter: recorder,
  }
  err := engine.RequestStartup(ctx)
  if err != nil {
    fmt.Println(err)
  }
  defer engine.RequestShutdown(ctx)
  _, err = ctx.Eval("echo($_SERVER['REQUEST_URI']);")
  if err != nil {
    fmt.Println(err)
  }
  body, err := ioutil.ReadAll(recorder.Result().Body)
  if err != nil {
    fmt.Println(err)
  }
  if string(body) != "/hello" {
    t.FailNow()
  }
}

$_SERVER
$_GET
$_POST
$_FILE
$_COOKIE
$_ENV

func Test_fastcgi_finish_reqeust(t *testing.T) {
  engine.Initialize()
  buffer := &bytes.Buffer{}
  ctx := &engine.Context{
    Output: buffer,
  }
  err := engine.RequestStartup(ctx)
  if err != nil {
    fmt.Println(err)
  }
  defer engine.RequestShutdown(ctx)
  ctx.Eval("ob_start(); echo ('hello');")
  if buffer.String() != "" {
    t.FailNow()
  }
  ctx.Eval("fastcgi_finish_request();")
  if buffer.String() != "hello" {
    t.FailNow()
  }
}