class LocalePathTest

class LocalePathTest extends BrowserTestBase {
    use PathAliasTestTrait;
    
    /**
     * {@inheritdoc}
     */
    protected static $modules = [
        'node',
        'locale',
        'path',
        'views',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        parent::setUp();
        $this->drupalCreateContentType([
            'type' => 'page',
            'name' => 'Basic page',
        ]);
        $this->config('system.site')
            ->set('page.front', '/node')
            ->save();
    }
    
    /**
     * Tests if a language can be associated with a path alias.
     */
    public function testPathLanguageConfiguration() : void {
        // User to add and remove language.
        $admin_user = $this->drupalCreateUser([
            'administer languages',
            'create page content',
            'administer url aliases',
            'create url aliases',
            'access administration pages',
            'access content overview',
        ]);
        // Add custom language.
        $this->drupalLogin($admin_user);
        // Code for the language.
        $langcode = 'xx';
        // The English name for the language.
        $name = $this->randomMachineName(16);
        // The domain prefix.
        $prefix = $langcode;
        $edit = [
            'predefined_langcode' => 'custom',
            'langcode' => $langcode,
            'label' => $name,
            'direction' => LanguageInterface::DIRECTION_LTR,
        ];
        $this->drupalGet('admin/config/regional/language/add');
        $this->submitForm($edit, 'Add custom language');
        // Set path prefix.
        $edit = [
            "prefix[{$langcode}]" => $prefix,
        ];
        $this->drupalGet('admin/config/regional/language/detection/url');
        $this->submitForm($edit, 'Save configuration');
        // Check that the "xx" front page is readily available because path prefix
        // negotiation is pre-configured.
        $this->drupalGet($prefix);
        $this->assertSession()
            ->pageTextContains('Welcome!');
        // Create a node.
        $node = $this->drupalCreateNode([
            'type' => 'page',
        ]);
        // Create a path alias in default language (English).
        $path = 'admin/config/search/path/add';
        $english_path = $this->randomMachineName(8);
        $edit = [
            'path[0][value]' => '/node/' . $node->id(),
            'alias[0][value]' => '/' . $english_path,
            'langcode[0][value]' => 'en',
        ];
        $this->drupalGet($path);
        $this->submitForm($edit, 'Save');
        // Create a path alias in new custom language.
        $custom_language_path = $this->randomMachineName(8);
        $edit = [
            'path[0][value]' => '/node/' . $node->id(),
            'alias[0][value]' => '/' . $custom_language_path,
            'langcode[0][value]' => $langcode,
        ];
        $this->drupalGet($path);
        $this->submitForm($edit, 'Save');
        // Confirm English language path alias works.
        $this->drupalGet($english_path);
        $this->assertSession()
            ->pageTextContains($node->label());
        // Confirm custom language path alias works.
        $this->drupalGet($prefix . '/' . $custom_language_path);
        $this->assertSession()
            ->pageTextContains($node->label());
        // Create a custom path.
        $custom_path = $this->randomMachineName(8);
        // Check priority of language for alias by source path.
        $path_alias = $this->createPathAlias('/node/' . $node->id(), '/' . $custom_path, LanguageInterface::LANGCODE_NOT_SPECIFIED);
        $lookup_path = $this->container
            ->get('path_alias.manager')
            ->getAliasByPath('/node/' . $node->id(), 'en');
        $this->assertEquals('/' . $english_path, $lookup_path, 'English language alias has priority.');
        // Same check for language 'xx'.
        $lookup_path = $this->container
            ->get('path_alias.manager')
            ->getAliasByPath('/node/' . $node->id(), $prefix);
        $this->assertEquals('/' . $custom_language_path, $lookup_path, 'Custom language alias has priority.');
        $path_alias->delete();
        // Create language nodes to check priority of aliases.
        $first_node = $this->drupalCreateNode([
            'type' => 'page',
            'promote' => 1,
            'langcode' => 'en',
        ]);
        $second_node = $this->drupalCreateNode([
            'type' => 'page',
            'promote' => 1,
            'langcode' => LanguageInterface::LANGCODE_NOT_SPECIFIED,
        ]);
        // Assign a custom path alias to the first node with the English language.
        $this->createPathAlias('/node/' . $first_node->id(), '/' . $custom_path, $first_node->language()
            ->getId());
        // Assign a custom path alias to second node with
        // LanguageInterface::LANGCODE_NOT_SPECIFIED.
        $this->createPathAlias('/node/' . $second_node->id(), '/' . $custom_path, $second_node->language()
            ->getId());
        // Test that both node titles link to our path alias.
        $this->drupalGet('admin/content');
        $custom_path_url = Url::fromUserInput('/' . $custom_path)->toString();
        $this->assertSession()
            ->elementExists('xpath', $this->assertSession()
            ->buildXPathQuery('//a[@href=:href and normalize-space(text())=:title]', [
            ':href' => $custom_path_url,
            ':title' => $first_node->label(),
        ]));
        $this->assertSession()
            ->elementExists('xpath', $this->assertSession()
            ->buildXPathQuery('//a[@href=:href and normalize-space(text())=:title]', [
            ':href' => $custom_path_url,
            ':title' => $second_node->label(),
        ]));
        // Confirm that the custom path leads to the first node.
        $this->drupalGet($custom_path);
        $this->assertSession()
            ->pageTextContains($first_node->label());
        // Confirm that the custom path with prefix leads to the second node.
        $this->drupalGet($prefix . '/' . $custom_path);
        $this->assertSession()
            ->pageTextContains($second_node->label());
    }

}