/**
* Test Slim::halt outside route callback
*
* Pre-conditions:
* Slim::halt is invoked outside of a route callback
*
* Post-conditions:
* The new response should be returned with the expected
* status code and body, regardless of the current route
* callback's expected output.
*/
public function testSlimHaltOutsideCallback() {
$this->setExpectedException('Slim_Exception_Stop');
Slim::init();
Slim::halt(500, 'External error');
Slim::get('/', function () {
echo "foo";
});
Slim::run();
$this->assertEquals(Slim::response()->status(), 500);
$this->assertEquals(Slim::response()->body(), 'External error');
}
require 'Slim/Slim.php';
//With custom settings
$app = new Slim();
//Mailchimp help route
$app->get('/mailchimp', function () use($app) {
$app->render('mailchimp.php');
});
//Mailchimp webhook
$app->post('/mailchimp', function () use($app) {
require_once 'MCAPI.class.php';
$emailField = $app->request()->get('email');
$listId = $app->request()->get('listid');
$apiKey = $app->request()->get('apikey');
//Make sure we have required data.
if (empty($emailField) || empty($listId) || empty($apiKey)) {
$app->halt(500, 'Your hook is missing required GET parameters.');
}
$email = $app->request()->post($emailField);
$forename = $app->request()->post($app->request()->get('forename'));
$surname = $app->request()->post($app->request()->get('surname'));
$rid = $app->request()->post('id');
//Make sure we have required data.
if (empty($email)) {
$app->halt(500, 'Your hook is missing email address.');
}
//If double opt in parameter is present, subscribe with double opt-in.
$doubleOptIn = false;
if (!is_null($app->request()->get('doubleoptin'))) {
$doubleOptIn = true;
}
$api = new MCAPI($apiKey);
/**
* Test halt does not leave output buffers open
*/
public function testHaltDoesNotLeaveOutputBuffersOpen()
{
$level_start = ob_get_level();
$s = new Slim();
$s->get('/bar', function () use($s) {
$s->halt(500, '');
});
$s->run();
$this->assertEquals($level_start, ob_get_level());
}
/**
* Test halt
*/
public function testHalt()
{
$s = new Slim();
$s->get('/bar', function () use($s) {
echo "Foo!";
//<-- Should not be in response body!
$s->halt(500, 'Something broke');
});
$s->call();
list($status, $header, $body) = $s->response()->finalize();
$this->assertEquals(500, $status);
$this->assertEquals('Something broke', $body);
}
/**
* Test Slim Halt outside route callback
*
* Pre-conditions:
* Slim app instantiated;
* Slim::halt is invoked outside of a route callback;
*
* Post-conditions:
* The new response should be returned with the expected
* status code and body, regardless of the current route
* callback's expected output.
*/
public function testSlimHaltOutsideCallback()
{
$this->setExpectedException('Slim_Exception_Stop');
$app = new Slim();
$app->halt(500, 'External error');
$app->get('/', function () {
echo "foo";
});
$app->run();
$this->assertEquals(500, $app->response()->status());
$this->assertEquals('External error', $app->response()->body());
}
/**
* Set ETag HTTP Response Header
*
* Set the etag header and stop if the conditional GET request matches.
* The `value` argument is a unique identifier for the current resource.
* The `type` argument indicates whether the etag should be used as a strong or
* weak cache validator.
*
* When the current request includes an 'If-None-Match' header with
* a matching etag, execution is immediately stopped. If the request
* method is GET or HEAD, a '304 Not Modified' response is sent.
*
* @param string $value The etag value
* @param string $type The type of etag to create; either "strong" or "weak"
* @throws InvalidArgumentException If provided type is invalid
* @return void
*/
public static function etag($value, $type = 'strong')
{
//Ensure type is correct
if (!in_array($type, array('strong', 'weak'))) {
throw new InvalidArgumentException('Invalid Slim::etag type. Expected "strong" or "weak".');
}
//Set etag value
$value = '"' . $value . '"';
if ($type === 'weak') {
$value = 'W/' . $value;
}
Slim::response()->header('ETag', $value);
//Check conditional GET
if ($etagsHeader = Slim::request()->header('IF_NONE_MATCH')) {
$etags = preg_split('@\\s*,\\s*@', $etagsHeader);
if (in_array($value, $etags) || in_array('*', $etags)) {
Slim::halt(304);
}
}
}
