Created RedirectActionTest

module/Core/test/Action/RedirectActionTest.php

@@ -0,0 +1,104 @@
+<?php
+namespace ShlinkioTest\Shlink\Core\Action;
+
+use PHPUnit_Framework_TestCase as TestCase;
+use Prophecy\Argument;
+use Prophecy\Prophecy\ObjectProphecy;
+use Psr\Http\Message\ResponseInterface;
+use Psr\Http\Message\ServerRequestInterface;
+use Shlinkio\Shlink\Core\Action\RedirectAction;
+use Shlinkio\Shlink\Core\Service\UrlShortener;
+use Shlinkio\Shlink\Core\Service\VisitsTracker;
+use Zend\Diactoros\Response;
+use Zend\Diactoros\ServerRequestFactory;
+
+class RedirectActionTest extends TestCase
+{
+    /**
+     * @var RedirectAction
+     */
+    protected $action;
+    /**
+     * @var ObjectProphecy
+     */
+    protected $urlShortener;
+
+    public function setUp()
+    {
+        $this->urlShortener = $this->prophesize(UrlShortener::class);
+        $visitTracker = $this->prophesize(VisitsTracker::class);
+        $visitTracker->track(Argument::any());
+        $this->action = new RedirectAction($this->urlShortener->reveal(), $visitTracker->reveal());
+    }
+
+    /**
+     * @test
+     */
+    public function redirectionIsPerformedToLongUrl()
+    {
+        $shortCode = 'abc123';
+        $expectedUrl = 'http://domain.com/foo/bar';
+        $this->urlShortener->shortCodeToUrl($shortCode)->willReturn($expectedUrl)
+                                                       ->shouldBeCalledTimes(1);
+
+        $request = ServerRequestFactory::fromGlobals()->withAttribute('shortCode', $shortCode);
+        $response = $this->action->__invoke($request, new Response());
+
+        $this->assertInstanceOf(Response\RedirectResponse::class, $response);
+        $this->assertEquals(302, $response->getStatusCode());
+        $this->assertTrue($response->hasHeader('Location'));
+        $this->assertEquals($expectedUrl, $response->getHeaderLine('Location'));
+    }
+
+    /**
+     * @test
+     */
+    public function nextErrorMiddlewareIsInvokedIfLongUrlIsNotFound()
+    {
+        $shortCode = 'abc123';
+        $this->urlShortener->shortCodeToUrl($shortCode)->willReturn(null)
+                           ->shouldBeCalledTimes(1);
+
+        $request = ServerRequestFactory::fromGlobals()->withAttribute('shortCode', $shortCode);
+        $originalResponse = new Response();
+        $test = $this;
+        $this->action->__invoke($request, $originalResponse, function (
+            ServerRequestInterface $req,
+            ResponseInterface $resp,
+            $error
+        ) use (
+            $test,
+            $request
+        ) {
+            $test->assertSame($request, $req);
+            $test->assertEquals(404, $resp->getStatusCode());
+            $test->assertEquals('Not Found', $error);
+        });
+    }
+
+    /**
+     * @test
+     */
+    public function nextErrorMiddlewareIsInvokedIfAnExceptionIsThrown()
+    {
+        $shortCode = 'abc123';
+        $this->urlShortener->shortCodeToUrl($shortCode)->willThrow(\Exception::class)
+                                                       ->shouldBeCalledTimes(1);
+
+        $request = ServerRequestFactory::fromGlobals()->withAttribute('shortCode', $shortCode);
+        $originalResponse = new Response();
+        $test = $this;
+        $this->action->__invoke($request, $originalResponse, function (
+            ServerRequestInterface $req,
+            ResponseInterface $resp,
+            $error
+        ) use (
+            $test,
+            $request
+        ) {
+            $test->assertSame($request, $req);
+            $test->assertEquals(404, $resp->getStatusCode());
+            $test->assertEquals('Not Found', $error);
+        });
+    }
+}