alltube/tests/LocaleMiddlewareTest.php

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<?php
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/**
* LocaleMiddlewareTest class.
*/
namespace Alltube\Test;
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use Alltube\LocaleManager;
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use Alltube\LocaleMiddleware;
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use Slim\Container;
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use Slim\Http\Environment;
use Slim\Http\Request;
use Slim\Http\Response;
/**
* Unit tests for the FrontController class.
*/
class LocaleMiddlewareTest extends BaseTest
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{
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/**
* LocaleMiddleware instance.
*
* @var LocaleMiddleware
*/
private $middleware;
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/**
* Slim dependency container.
*
* @var Container
*/
private $container;
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/**
* Prepare tests.
*/
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protected function setUp(): void
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{
$this->container = new Container();
$this->container['locale'] = new LocaleManager();
$this->middleware = new LocaleMiddleware($this->container);
}
/**
* Unset locale cookie after each test.
*
* @return void
*/
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protected function tearDown(): void
{
$this->container['locale']->unsetLocale();
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}
/**
* Test the testLocale() function.
*
* @return void
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* @requires OS Linux
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*/
public function testTestLocale()
{
$locale = [
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'language' => 'en',
'region' => 'US',
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];
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$this->assertEquals('en_US', $this->middleware->testLocale($locale));
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}
/**
* Test the testLocale() function with an unsupported locale.
*
* @return void
*/
public function testLocaleWithWrongLocale()
{
$locale = [
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'language' => 'foo',
'region' => 'BAR',
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];
$this->assertNull($this->middleware->testLocale($locale));
$this->assertNull($this->middleware->testLocale([]));
}
/**
* Check that the request contains an Accept-Language header.
*
* @param Request $request PSR-7 request
*
* @return void
*/
public function assertHeader(Request $request)
{
$header = $request->getHeader('Accept-Language');
$this->assertEquals('foo-BAR', $header[0]);
}
/**
* Check that the request contains no Accept-Language header.
*
* @param Request $request PSR-7 request
*
* @return void
*/
public function assertNoHeader(Request $request)
{
$header = $request->getHeader('Accept-Language');
$this->assertEmpty($header);
}
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/**
* Test the __invoke() function.
*
* @return void
*/
public function testInvoke()
{
$request = Request::createFromEnvironment(Environment::mock());
$this->middleware->__invoke(
$request->withHeader('Accept-Language', 'foo-BAR'),
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new Response(),
[$this, 'assertHeader']
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);
}
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/**
* Test the __invoke() function without the Accept-Language header.
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*
* @return void
*/
public function testInvokeWithoutHeader()
{
$request = Request::createFromEnvironment(Environment::mock());
$this->middleware->__invoke(
$request->withoutHeader('Accept-Language'),
new Response(),
[$this, 'assertNoHeader']
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);
}
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}