1 files changed, 71 insertions, 0 deletions
diff --git a/tests/Unit/Middleware/SetLocaleTest.php b/tests/Unit/Middleware/SetLocaleTest.php
new file mode 100644
index 00000000..c4e9d2a4
--- /dev/null
+++ b/tests/Unit/Middleware/SetLocaleTest.php
@@ -0,0 +1,71 @@
+<?php
+
+namespace Engelsystem\Test\Unit\Middleware;
+
+use Engelsystem\Helpers\Translator;
+use Engelsystem\Middleware\SetLocale;
+use PHPUnit\Framework\TestCase;
+use PHPUnit_Framework_MockObject_MockObject as MockObject;
+use Psr\Http\Message\ResponseInterface;
+use Psr\Http\Message\ServerRequestInterface;
+use Psr\Http\Server\RequestHandlerInterface;
+use Symfony\Component\HttpFoundation\Session\Session;
+
+class SetLocaleTest extends TestCase
+{
+    /**
+     * @covers \Engelsystem\Middleware\SetLocale::__construct
+     * @covers \Engelsystem\Middleware\SetLocale::process
+     */
+    public function testRegister()
+    {
+        /** @var Translator|MockObject $translator */
+        $translator = $this->createMock(Translator::class);
+        /** @var Session|MockObject $session */
+        $session = $this->createMock(Session::class);
+        /** @var ServerRequestInterface|MockObject $request */
+        $request = $this->getMockForAbstractClass(ServerRequestInterface::class);
+        /** @var RequestHandlerInterface|MockObject $handler */
+        $handler = $this->getMockForAbstractClass(RequestHandlerInterface::class);
+        /** @var ResponseInterface|MockObject $response */
+        $response = $this->getMockForAbstractClass(ResponseInterface::class);
+
+        $locale = 'te_ST.UTF8';
+
+        $request->expects($this->exactly(3))
+            ->method('getQueryParams')
+            ->willReturnOnConsecutiveCalls(
+                [],
+                ['set-locale' => 'en_US.UTF8'],
+                ['set-locale' => $locale]
+            );
+
+        $translator->expects($this->exactly(2))
+            ->method('hasLocale')
+            ->withConsecutive(
+                ['en_US.UTF8'],
+                [$locale]
+            )
+            ->willReturnOnConsecutiveCalls(
+                false,
+                true
+            );
+        $translator->expects($this->once())
+            ->method('setLocale')
+            ->with($locale);
+
+        $session->expects($this->once())
+            ->method('set')
+            ->with('locale', $locale);
+
+        $handler->expects($this->exactly(3))
+            ->method('handle')
+            ->with($request)
+            ->willReturn($response);
+
+        $middleware = new SetLocale($translator, $session);
+        $middleware->process($request, $handler);
+        $middleware->process($request, $handler);
+        $middleware->process($request, $handler);
+    }
+}