class UrlAlterFunctionalTest

class UrlAlterFunctionalTest extends BrowserTestBase {
    use PathAliasTestTrait;
    
    /**
     * Modules to enable.
     *
     * @var array
     */
    public static $modules = [
        'path',
        'forum',
        'url_alter_test',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    
    /**
     * Test that URL altering works and that it occurs in the correct order.
     */
    public function testUrlAlter() {
        // Ensure that the path_alias table exists after Drupal installation.
        $this->assertTrue(Database::getConnection()->schema()
            ->tableExists('path_alias'), 'The path_alias table exists after Drupal installation.');
        // User names can have quotes and plus signs so we should ensure that URL
        // altering works with this.
        $account = $this->drupalCreateUser([
            'administer url aliases',
        ], "a'foo+bar");
        $this->drupalLogin($account);
        $uid = $account->id();
        $name = $account->getAccountName();
        // Test a single altered path.
        $this->drupalGet("user/{$name}");
        $this->assertSession()
            ->statusCodeEquals(200);
        $this->assertUrlOutboundAlter("/user/{$uid}", "/user/{$name}");
        // Test that a path always uses its alias.
        $this->createPathAlias("/user/{$uid}/test1", '/alias/test1');
        $this->rebuildContainer();
        $this->assertUrlInboundAlter('/alias/test1', "/user/{$uid}/test1");
        $this->assertUrlOutboundAlter("/user/{$uid}/test1", '/alias/test1');
        // Test adding an alias via the UI.
        $edit = [
            'path[0][value]' => "/user/{$uid}/edit",
            'alias[0][value]' => '/alias/test2',
        ];
        $this->drupalPostForm('admin/config/search/path/add', $edit, t('Save'));
        $this->assertText(t('The alias has been saved.'));
        $this->drupalGet('alias/test2');
        $this->assertSession()
            ->statusCodeEquals(200);
        $this->assertUrlOutboundAlter("/user/{$uid}/edit", '/alias/test2');
        // Test a non-existent user is not altered.
        $uid++;
        $this->assertUrlOutboundAlter("/user/{$uid}", "/user/{$uid}");
        // Test that 'forum' is altered to 'community' correctly, both at the root
        // level and for a specific existing forum.
        $this->drupalGet('community');
        $this->assertText('General discussion', 'The community path gets resolved correctly');
        $this->assertUrlOutboundAlter('/forum', '/community');
        $forum_vid = $this->config('forum.settings')
            ->get('vocabulary');
        $term_name = $this->randomMachineName();
        $term = Term::create([
            'name' => $term_name,
            'vid' => $forum_vid,
        ]);
        $term->save();
        $this->drupalGet("community/" . $term->id());
        $this->assertText($term_name, 'The community/{tid} path gets resolved correctly');
        $this->assertUrlOutboundAlter("/forum/" . $term->id(), "/community/" . $term->id());
        // Test outbound query string altering.
        $url = Url::fromRoute('user.login');
        $this->assertIdentical(\Drupal::request()->getBaseUrl() . '/user/login?foo=bar', $url->toString());
    }
    
    /**
     * Assert that an outbound path is altered to an expected value.
     *
     * @param $original
     *   A string with the original path that is run through generateFrommPath().
     * @param $final
     *   A string with the expected result after generateFrommPath().
     *
     * @return
     *   TRUE if $original was correctly altered to $final, FALSE otherwise.
     */
    protected function assertUrlOutboundAlter($original, $final) {
        // Test outbound altering.
        $result = $this->container
            ->get('path_processor_manager')
            ->processOutbound($original);
        return $this->assertIdentical($result, $final, new FormattableMarkup('Altered outbound URL %original, expected %final, and got %result.', [
            '%original' => $original,
            '%final' => $final,
            '%result' => $result,
        ]));
    }
    
    /**
     * Assert that a inbound path is altered to an expected value.
     *
     * @param $original
     *   The original path before it has been altered by inbound URL processing.
     * @param $final
     *   A string with the expected result.
     *
     * @return
     *   TRUE if $original was correctly altered to $final, FALSE otherwise.
     */
    protected function assertUrlInboundAlter($original, $final) {
        // Test inbound altering.
        $result = $this->container
            ->get('path_alias.manager')
            ->getPathByAlias($original);
        return $this->assertIdentical($result, $final, new FormattableMarkup('Altered inbound URL %original, expected %final, and got %result.', [
            '%original' => $original,
            '%final' => $final,
            '%result' => $result,
        ]));
    }

}