function FormTest::testFieldFormDefaultValue

Tests field widget default values on entity forms.

File

core/modules/field/tests/src/Functional/FormTest.php, line 186

Class

FormTest

Tests field form handling.

Namespace

Code

public function testFieldFormDefaultValue() {
    $field_storage = $this->fieldStorageSingle;
    $field_name = $field_storage['field_name'];
    $this->field['field_name'] = $field_name;
    $default = rand(1, 127);
    $this->field['default_value'] = [
        [
            'value' => $default,
        ],
    ];
    FieldStorageConfig::create($field_storage)->save();
    FieldConfig::create($this->field)
        ->save();
    \Drupal::service('entity_display.repository')->getFormDisplay($this->field['entity_type'], $this->field['bundle'])
        ->setComponent($field_name)
        ->save();
    // Display creation form.
    $this->drupalGet('entity_test/add');
    // Test that the default value is displayed correctly.
    $this->assertFieldByXpath("//input[@name='{$field_name}[0][value]' and @value='{$default}']");
    // Try to submit an empty value.
    $edit = [
        "{$field_name}[0][value]" => '',
    ];
    $this->drupalPostForm(NULL, $edit, t('Save'));
    preg_match('|entity_test/manage/(\\d+)|', $this->getUrl(), $match);
    $id = $match[1];
    $this->assertText(t('entity_test @id has been created.', [
        '@id' => $id,
    ]), 'Entity was created.');
    $entity = EntityTest::load($id);
    $this->assertTrue($entity->{$field_name}
        ->isEmpty(), 'Field is now empty.');
}