first commit

tests/ControllerTestBase.php

@@ -0,0 +1,96 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Tests;
+
+use PHPUnit\Framework\TestCase;
+use Psr\Http\Message\ResponseInterface;
+use Slim\Psr7\Factory\ServerRequestFactory;
+use Slim\Psr7\Response;
+use Slim\Views\Twig;
+
+abstract class ControllerTestBase extends TestCase
+{
+    /**
+     * @param array<string, mixed> $queryParams
+     * @param array<string, mixed> $serverParams
+     */
+    protected function makeGet(string $path, array $queryParams = [], array $serverParams = []): \Psr\Http\Message\ServerRequestInterface
+    {
+        $request = (new ServerRequestFactory())->createServerRequest('GET', $path, $serverParams);
+
+        if ($queryParams !== []) {
+            $request = $request->withQueryParams($queryParams);
+        }
+
+        return $request;
+    }
+
+    /**
+     * @param array<string, mixed> $parsedBody
+     * @param array<string, mixed> $serverParams
+     */
+    protected function makePost(string $path, array $parsedBody = [], array $serverParams = []): \Psr\Http\Message\ServerRequestInterface
+    {
+        $request = (new ServerRequestFactory())->createServerRequest('POST', $path, $serverParams);
+
+        if ($parsedBody !== []) {
+            $request = $request->withParsedBody($parsedBody);
+        }
+
+        return $request;
+    }
+
+    protected function makeResponse(): ResponseInterface
+    {
+        return new Response();
+    }
+
+    /**
+     * @return Twig&\PHPUnit\Framework\MockObject\MockObject
+     */
+    protected function makeTwigMock(): Twig
+    {
+        /** @var Twig&\PHPUnit\Framework\MockObject\MockObject $mock */
+        $mock = $this->getMockBuilder(Twig::class)
+            ->disableOriginalConstructor()
+            ->onlyMethods(['render'])
+            ->getMock();
+
+        return $mock;
+    }
+
+    protected function assertRedirectTo(ResponseInterface $response, string $path, int $status = 302): void
+    {
+        self::assertSame($status, $response->getStatusCode());
+        self::assertSame($path, $response->getHeaderLine('Location'));
+    }
+
+    protected function assertStatus(ResponseInterface $response, int $status): void
+    {
+        self::assertSame($status, $response->getStatusCode());
+    }
+
+    /**
+     * @param array<string, mixed> $expectedSubset
+     */
+    protected function assertJsonContains(ResponseInterface $response, array $expectedSubset): void
+    {
+        $body = (string) $response->getBody();
+        /** @var mixed $decoded */
+        $decoded = json_decode($body, true);
+
+        self::assertIsArray($decoded, 'Response body is not valid JSON.');
+
+        foreach ($expectedSubset as $key => $value) {
+            self::assertArrayHasKey($key, $decoded);
+            self::assertSame($value, $decoded[$key]);
+        }
+    }
+
+    protected function assertJsonContentType(ResponseInterface $response): void
+    {
+        self::assertStringContainsString('application/json', $response->getHeaderLine('Content-Type'));
+    }
+}