class MachineNameTest

class MachineNameTest extends WebDriverTestBase {
    
    /**
     * Required modules.
     *
     * Node is required because the machine name callback checks for
     * access_content.
     *
     * @var array
     */
    protected static $modules = [
        'node',
        'form_test',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        parent::setUp();
        $account = $this->drupalCreateUser([
            'access content',
        ]);
        $this->drupalLogin($account);
    }
    
    /**
     * Tests that machine name field functions.
     *
     * Makes sure that the machine name field automatically provides a valid
     * machine name and that the manual editing mode functions.
     */
    public function testMachineName() {
        // Visit the machine name test page which contains two machine name fields.
        $this->drupalGet('form-test/machine-name');
        // Test values for conversion.
        $test_values = [
            [
                'input' => 'Test value !0-9@',
                'message' => 'A title that should be transliterated must be equal to the php generated machine name',
                'expected' => 'test_value_0_9_',
            ],
            [
                'input' => 'Test value',
                'message' => 'A title that should not be transliterated must be equal to the php generated machine name',
                'expected' => 'test_value',
            ],
        ];
        // Get page and session.
        $page = $this->getSession()
            ->getPage();
        // Get elements from the page.
        $title_1 = $page->findField('machine_name_1_label');
        $machine_name_1_field = $page->findField('machine_name_1');
        $machine_name_2_field = $page->findField('machine_name_2');
        $machine_name_1_wrapper = $machine_name_1_field->getParent();
        $machine_name_2_wrapper = $machine_name_2_field->getParent();
        $machine_name_1_value = $page->find('css', '#edit-machine-name-1-label-machine-name-suffix .machine-name-value');
        $machine_name_2_value = $page->find('css', '#edit-machine-name-2-label-machine-name-suffix .machine-name-value');
        $machine_name_3_value = $page->find('css', '#edit-machine-name-3-label-machine-name-suffix .machine-name-value');
        $button_1 = $page->find('css', '#edit-machine-name-1-label-machine-name-suffix button.link');
        // Assert all fields are initialized correctly.
        $this->assertNotEmpty($machine_name_1_value, 'Machine name field 1 must be initialized');
        $this->assertNotEmpty($machine_name_2_value, 'Machine name field 2 must be initialized');
        $this->assertNotEmpty($machine_name_3_value, 'Machine name field 3 must be initialized');
        // Assert that a machine name based on a default value is initialized.
        $this->assertJsCondition('jQuery("#edit-machine-name-3-label-machine-name-suffix .machine-name-value").html() == "yet_another_machine_name"');
        // Field must be present for the rest of the test to work.
        if (empty($machine_name_1_value)) {
            $this->fail('Cannot finish test, missing machine name field');
        }
        // Test each value for conversion to a machine name.
        foreach ($test_values as $test_info) {
            // Set the value for the field, triggering the machine name update.
            $title_1->setValue($test_info['input']);
            // Wait the set timeout for fetching the machine name.
            $this->assertJsCondition('jQuery("#edit-machine-name-1-label-machine-name-suffix .machine-name-value").html() == "' . $test_info['expected'] . '"');
            // Validate the generated machine name.
            $this->assertEquals($test_info['expected'], $machine_name_1_value->getHtml(), $test_info['message']);
            // Validate the second machine name field is empty.
            $this->assertEmpty($machine_name_2_value->getHtml(), 'The second machine name field should still be empty');
        }
        // Validate the machine name field is hidden. Elements are visually hidden
        // using positioning, isVisible() will therefore not work.
        $this->assertEquals(TRUE, $machine_name_1_wrapper->hasClass('visually-hidden'), 'The ID field must not be visible');
        $this->assertEquals(TRUE, $machine_name_2_wrapper->hasClass('visually-hidden'), 'The ID field must not be visible');
        // Test switching back to the manual editing mode by clicking the edit link.
        $button_1->click();
        // Validate the visibility of the machine name field.
        $this->assertEquals(FALSE, $machine_name_1_wrapper->hasClass('visually-hidden'), 'The ID field must now be visible');
        // Validate the visibility of the second machine name field.
        $this->assertEquals(TRUE, $machine_name_2_wrapper->hasClass('visually-hidden'), 'The ID field must not be visible');
        // Validate if the element contains the correct value.
        $this->assertEquals($test_values[1]['expected'], $machine_name_1_field->getValue(), 'The ID field value must be equal to the php generated machine name');
        $assert = $this->assertSession();
        $this->drupalGet('/form-test/form-test-machine-name-validation');
        // Test errors after with no AJAX.
        $assert->buttonExists('Save')
            ->press();
        $assert->pageTextContains('Machine-readable name field is required.');
        // Ensure only the first machine name field has an error.
        $this->assertTrue($assert->fieldExists('id')
            ->hasClass('error'));
        $this->assertFalse($assert->fieldExists('id2')
            ->hasClass('error'));
        // Test a successful submit after using AJAX.
        $assert->fieldExists('Name')
            ->setValue('test 1');
        $assert->fieldExists('id')
            ->setValue('test_1');
        $assert->selectExists('snack')
            ->selectOption('apple');
        $assert->assertWaitOnAjaxRequest();
        $assert->buttonExists('Save')
            ->press();
        $assert->pageTextContains('The form_test_machine_name_validation_form form has been submitted successfully.');
        // Test errors after using AJAX.
        $assert->fieldExists('Name')
            ->setValue('duplicate');
        $this->assertJsCondition('document.forms[0].id.value === "duplicate"');
        $assert->fieldExists('id2')
            ->setValue('duplicate2');
        $assert->selectExists('snack')
            ->selectOption('potato');
        $assert->assertWaitOnAjaxRequest();
        $assert->buttonExists('Save')
            ->press();
        $assert->pageTextContains('The machine-readable name is already in use. It must be unique.');
        // Ensure both machine name fields both have errors.
        $this->assertTrue($assert->fieldExists('id')
            ->hasClass('error'));
        $this->assertTrue($assert->fieldExists('id2')
            ->hasClass('error'));
    }

}