class PathLanguageUiTest

class PathLanguageUiTest extends PathTestBase {
    
    /**
     * Modules to enable.
     *
     * @var array
     */
    protected static $modules = [
        'path',
        'locale',
        'locale_test',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        parent::setUp();
        // Create and log in user.
        $web_user = $this->drupalCreateUser([
            'edit any page content',
            'create page content',
            'administer url aliases',
            'create url aliases',
            'administer languages',
            'access administration pages',
        ]);
        $this->drupalLogin($web_user);
        // Enable French language.
        $edit = [];
        $edit['predefined_langcode'] = 'fr';
        $this->drupalGet('admin/config/regional/language/add');
        $this->submitForm($edit, 'Add language');
        // Enable URL language detection and selection.
        $edit = [
            'language_interface[enabled][language-url]' => 1,
        ];
        $this->drupalGet('admin/config/regional/language/detection');
        $this->submitForm($edit, 'Save settings');
    }
    
    /**
     * Tests that a language-neutral URL alias works.
     */
    public function testLanguageNeutralUrl() {
        $name = $this->randomMachineName(8);
        $edit = [];
        $edit['path[0][value]'] = '/admin/config/search/path';
        $edit['alias[0][value]'] = '/' . $name;
        $this->drupalGet('admin/config/search/path/add');
        $this->submitForm($edit, 'Save');
        $this->drupalGet($name);
        $this->assertSession()
            ->pageTextContains('Filter aliases');
    }
    
    /**
     * Tests that a default language URL alias works.
     */
    public function testDefaultLanguageUrl() {
        $name = $this->randomMachineName(8);
        $edit = [];
        $edit['path[0][value]'] = '/admin/config/search/path';
        $edit['alias[0][value]'] = '/' . $name;
        $edit['langcode[0][value]'] = 'en';
        $this->drupalGet('admin/config/search/path/add');
        $this->submitForm($edit, 'Save');
        $this->drupalGet($name);
        $this->assertSession()
            ->pageTextContains('Filter aliases');
    }
    
    /**
     * Tests that a non-default language URL alias works.
     */
    public function testNonDefaultUrl() {
        $name = $this->randomMachineName(8);
        $edit = [];
        $edit['path[0][value]'] = '/admin/config/search/path';
        $edit['alias[0][value]'] = '/' . $name;
        $edit['langcode[0][value]'] = 'fr';
        $this->drupalGet('admin/config/search/path/add');
        $this->submitForm($edit, 'Save');
        $this->drupalGet('fr/' . $name);
        $this->assertSession()
            ->pageTextContains('Filter aliases');
    }
    
    /**
     * Tests language unspecific aliases are shown and saved in the node form.
     */
    public function testNotSpecifiedNode() {
        // Create test node.
        $node = $this->drupalCreateNode();
        // Create a language-unspecific alias in the admin UI, ensure that is
        // displayed and the langcode is not changed when saving.
        $edit = [
            'path[0][value]' => '/node/' . $node->id(),
            'alias[0][value]' => '/' . $this->getRandomGenerator()
                ->word(8),
            'langcode[0][value]' => LanguageInterface::LANGCODE_NOT_SPECIFIED,
        ];
        $this->drupalGet('admin/config/search/path/add');
        $this->submitForm($edit, 'Save');
        $this->drupalGet($node->toUrl('edit-form'));
        $this->assertSession()
            ->fieldValueEquals('path[0][alias]', $edit['alias[0][value]']);
        $this->submitForm([], 'Save');
        $this->drupalGet('admin/config/search/path');
        $this->assertSession()
            ->pageTextContains('None');
        $this->assertSession()
            ->pageTextNotContains('English');
        // Create another node, with no alias, to ensure non-language specific
        // aliases are loaded correctly.
        $node = $this->drupalCreateNode();
        $this->drupalget($node->toUrl('edit-form'));
        $this->submitForm([], 'Save');
        $this->assertSession()
            ->pageTextNotContains('The alias is already in use.');
    }

}