xref: /webtrees/tests/TestCase.php (revision 12b5bef18374d0f646b8a7dd78cab23b03bc953e) 
1<?php
2
3/**
4 * webtrees: online genealogy
5 * Copyright (C) 2021 webtrees development team
6 * This program is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation, either version 3 of the License, or
9 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program. If not, see <https://www.gnu.org/licenses/>.
16 */
17
18declare(strict_types=1);
19
20namespace Fisharebest\Webtrees;
21
22use Aura\Router\Route;
23use Aura\Router\RouterContainer;
24use Fig\Http\Message\RequestMethodInterface;
25use Fig\Http\Message\StatusCodeInterface;
26use Fisharebest\Webtrees\Http\RequestHandlers\GedcomLoad;
27use Fisharebest\Webtrees\Http\Routes\WebRoutes;
28use Fisharebest\Webtrees\Module\ModuleThemeInterface;
29use Fisharebest\Webtrees\Module\WebtreesTheme;
30use Fisharebest\Webtrees\Services\MigrationService;
31use Fisharebest\Webtrees\Services\ModuleService;
32use Fisharebest\Webtrees\Services\TimeoutService;
33use Fisharebest\Webtrees\Services\TreeService;
34use Illuminate\Database\Capsule\Manager as DB;
35use Nyholm\Psr7\Factory\Psr17Factory;
36use Psr\Http\Message\ResponseFactoryInterface;
37use Psr\Http\Message\ResponseInterface;
38use Psr\Http\Message\ServerRequestFactoryInterface;
39use Psr\Http\Message\ServerRequestInterface;
40use Psr\Http\Message\StreamFactoryInterface;
41use Psr\Http\Message\UploadedFileFactoryInterface;
42use Psr\Http\Message\UploadedFileInterface;
43use Psr\Http\Message\UriFactoryInterface;
44
45use function app;
46use function basename;
47use function filesize;
48use function http_build_query;
49use function implode;
50use function preg_match;
51use function str_starts_with;
52use function strcspn;
53use function strlen;
54use function strpos;
55use function substr;
56
57use const UPLOAD_ERR_OK;
58
59/**
60 * Base class for unit tests
61 */
62class TestCase extends \PHPUnit\Framework\TestCase
63{
64    /** @var object */
65    public static $mock_functions;
66    /** @var bool */
67    protected static $uses_database = false;
68
69    /**
70     * Things to run once, before all the tests.
71     */
72    public static function setUpBeforeClass(): void
73    {
74        parent::setUpBeforeClass();
75
76        $webtrees = new Webtrees();
77        $webtrees->bootstrap();
78
79        // PSR7 messages and PSR17 message-factories
80        Webtrees::set(ResponseFactoryInterface::class, Psr17Factory::class);
81        Webtrees::set(ServerRequestFactoryInterface::class, Psr17Factory::class);
82        Webtrees::set(StreamFactoryInterface::class, Psr17Factory::class);
83        Webtrees::set(UploadedFileFactoryInterface::class, Psr17Factory::class);
84        Webtrees::set(UriFactoryInterface::class, Psr17Factory::class);
85
86        // This is normally set in middleware.
87        Webtrees::set(ModuleThemeInterface::class, WebtreesTheme::class);
88
89        // Need the routing table, to generate URLs.
90        $router_container = new RouterContainer('/');
91        (new WebRoutes())->load($router_container->getMap());
92        Webtrees::set(RouterContainer::class, $router_container);
93
94        I18N::init('en-US', true);
95
96        if (static::$uses_database) {
97            static::createTestDatabase();
98
99            // Boot modules
100            (new ModuleService())->bootModules(new WebtreesTheme());
101        }
102    }
103
104    /**
105     * Things to run once, AFTER all the tests.
106     */
107    public static function tearDownAfterClass(): void
108    {
109        if (static::$uses_database) {
110            $pdo = DB::connection()->getPdo();
111            unset($pdo);
112        }
113
114        parent::tearDownAfterClass();
115    }
116
117    /**
118     * Create an SQLite in-memory database for testing
119     */
120    protected static function createTestDatabase(): void
121    {
122        $capsule = new DB();
123        $capsule->addConnection([
124            'driver'   => 'sqlite',
125            'database' => ':memory:',
126        ]);
127        $capsule->setAsGlobal();
128
129        // Migrations create logs, which requires an IP address, which requires a request
130        self::createRequest();
131
132        // Create tables
133        $migration_service = new MigrationService();
134        $migration_service->updateSchema('\Fisharebest\Webtrees\Schema', 'WT_SCHEMA_VERSION', Webtrees::SCHEMA_VERSION);
135
136        // Create config data
137        $migration_service->seedDatabase();
138    }
139
140    /**
141     * Create a request and bind it into the container.
142     *
143     * @param string                  $method
144     * @param string[]                $query
145     * @param string[]                $params
146     * @param UploadedFileInterface[] $files
147     * @param string[]                $attributes
148     *
149     * @return ServerRequestInterface
150     */
151    protected static function createRequest(
152        string $method = RequestMethodInterface::METHOD_GET,
153        array $query = [],
154        array $params = [],
155        array $files = [],
156        array $attributes = []
157    ): ServerRequestInterface {
158        /** @var ServerRequestFactoryInterface */
159        $server_request_factory = app(ServerRequestFactoryInterface::class);
160
161        $uri = 'https://webtrees.test/index.php?' . http_build_query($query);
162
163        /** @var ServerRequestInterface $request */
164        $request = $server_request_factory
165            ->createServerRequest($method, $uri)
166            ->withQueryParams($query)
167            ->withParsedBody($params)
168            ->withUploadedFiles($files)
169            ->withAttribute('base_url', 'https://webtrees.test')
170            ->withAttribute('client-ip', '127.0.0.1')
171            ->withAttribute('user', new GuestUser())
172            ->withAttribute('route', new Route());
173
174        foreach ($attributes as $key => $value) {
175            $request = $request->withAttribute($key, $value);
176
177            if ($key === 'tree') {
178                app()->instance(Tree::class, $value);
179            }
180        }
181
182        app()->instance(ServerRequestInterface::class, $request);
183
184        return $request;
185    }
186
187    /**
188     * Things to run before every test.
189     */
190    protected function setUp(): void
191    {
192        parent::setUp();
193
194        if (static::$uses_database) {
195            DB::connection()->beginTransaction();
196        }
197    }
198
199    /**
200     * Things to run after every test
201     */
202    protected function tearDown(): void
203    {
204        if (static::$uses_database) {
205            DB::connection()->rollBack();
206        }
207
208        Site::$preferences = [];
209
210        Auth::logout();
211    }
212
213    /**
214     * Import a GEDCOM file into the test database.
215     *
216     * @param string $gedcom_file
217     *
218     * @return Tree
219     */
220    protected function importTree(string $gedcom_file): Tree
221    {
222        $tree_service = new TreeService();
223        $tree         = $tree_service->create(basename($gedcom_file), basename($gedcom_file));
224        $stream       = app(StreamFactoryInterface::class)->createStreamFromFile(__DIR__ . '/data/' . $gedcom_file);
225
226        $tree_service->importGedcomFile($tree, $stream, $gedcom_file);
227
228        $timeout_service = new TimeoutService();
229        $controller      = new GedcomLoad($timeout_service, $tree_service);
230        $request         = self::createRequest()->withAttribute('tree', $tree);
231
232        do {
233            $controller->handle($request);
234
235            $imported = $tree->getPreference('imported');
236        } while (!$imported);
237
238        return $tree;
239    }
240
241    /**
242     * Create an uploaded file for a request.
243     *
244     * @param string $filename
245     * @param string $mime_type
246     *
247     * @return UploadedFileInterface
248     */
249    protected function createUploadedFile(string $filename, string $mime_type): UploadedFileInterface
250    {
251        /** @var StreamFactoryInterface */
252        $stream_factory = app(StreamFactoryInterface::class);
253
254        /** @var UploadedFileFactoryInterface */
255        $uploaded_file_factory = app(UploadedFileFactoryInterface::class);
256
257        $stream      = $stream_factory->createStreamFromFile($filename);
258        $size        = filesize($filename);
259        $status      = UPLOAD_ERR_OK;
260        $client_name = basename($filename);
261
262        return $uploaded_file_factory->createUploadedFile($stream, $size, $status, $client_name, $mime_type);
263    }
264
265    /**
266     * Assert that a response contains valid HTML - either a full page or a fragment.
267     *
268     * @param ResponseInterface $response
269     */
270    protected function validateHtmlResponse(ResponseInterface $response): void
271    {
272        self::assertSame(StatusCodeInterface::STATUS_OK, $response->getStatusCode());
273
274        self::assertEquals('text/html; charset=UTF-8', $response->getHeaderLine('content-type'));
275
276        $html = $response->getBody()->getContents();
277
278        self::assertStringStartsWith('<DOCTYPE html>', $html);
279
280        $this->validateHtml(substr($html, strlen('<DOCTYPE html>')));
281    }
282
283    /**
284     * Assert that a response contains valid HTML - either a full page or a fragment.
285     *
286     * @param string $html
287     */
288    protected function validateHtml(string $html): void
289    {
290        $stack = [];
291
292        do {
293            $html = substr($html, strcspn($html, '<>'));
294
295            if (str_starts_with($html, '>')) {
296                $this->fail('Unescaped > found in HTML');
297            }
298
299            if (str_starts_with($html, '<')) {
300                if (preg_match('~^</([a-z]+)>~', $html, $match)) {
301                    if ($match[1] !== array_pop($stack)) {
302                        $this->fail('Closing tag matches nothing: ' . $match[0] . ' at ' . implode(':', $stack));
303                    }
304                    $html = substr($html, strlen($match[0]));
305                } elseif (preg_match('~^<([a-z]+)(?:\s+[a-z_\-]+="[^">]*")*\s*(/?)>~', $html, $match)) {
306                    $tag = $match[1];
307                    $self_closing = $match[2] === '/';
308
309                    $message = 'Tag ' . $tag . ' is not allowed at ' . implode(':', $stack) . '.';
310
311                    switch ($tag) {
312                        case 'html':
313                            $this->assertSame([], $stack);
314                            break;
315                        case 'head':
316                        case 'body':
317                            $this->assertSame(['head'], $stack);
318                            break;
319                        case 'div':
320                            $this->assertNotContains('span', $stack, $message);
321                            break;
322                    }
323
324                    if (!$self_closing) {
325                        $stack[] = $tag;
326                    }
327
328                    if ($tag === 'script' && !$self_closing) {
329                        $html = substr($html, strpos($html, '</script>'));
330                    } else {
331                        $html = substr($html, strlen($match[0]));
332                    }
333                } else {
334                    $this->fail('Unrecognised tag: ' . substr($html, 0, 40));
335                }
336            }
337        } while ($html !== '');
338
339        $this->assertSame([], $stack);
340    }
341}
342