public function FormTest::testFieldFormSingle in Drupal 9

Same name and namespace in other branches

1. 8 core/modules/field/tests/src/Functional/FormTest.php \Drupal\Tests\field\Functional\FormTest::testFieldFormSingle()

File

core/modules/field/tests/src/Functional/FormTest.php, line 108

Class

FormTest

Tests field form handling.

Namespace

Drupal\Tests\field\Functional

Code

public function testFieldFormSingle() {
  $field_storage = $this->fieldStorageSingle;
  $field_name = $field_storage['field_name'];
  $this->field['field_name'] = $field_name;
  FieldStorageConfig::create($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');

  // Create token value expected for description.
  $token_description = Html::escape($this
    ->config('system.site')
    ->get('name')) . '_description';
  $this
    ->assertSession()
    ->pageTextContains($token_description);
  $this
    ->assertSession()
    ->fieldValueEquals("{$field_name}[0][value]", '');

  // Verify that no extraneous widget is displayed.
  $this
    ->assertSession()
    ->fieldNotExists("{$field_name}[1][value]");

  // Check that hook_field_widget_single_element_form_alter() does not believe
  // this is the default value form.
  $this
    ->assertSession()
    ->pageTextNotContains('From hook_field_widget_single_element_form_alter(): Default form is true.');

  // Check that hook_field_widget_single_element_form_alter() does not believe
  // this is the default value form.
  $this
    ->assertSession()
    ->pageTextNotContains('From hook_field_widget_complete_form_alter(): Default form is true.');

  // Submit with invalid value (field-level validation).
  $edit = [
    "{$field_name}[0][value]" => -1,
  ];
  $this
    ->submitForm($edit, 'Save');
  $this
    ->assertSession()
    ->pageTextContains("{$this->field['label']} does not accept the value -1.");

  // TODO : check that the correct field is flagged for error.
  // Create an entity
  $value = mt_rand(1, 127);
  $edit = [
    "{$field_name}[0][value]" => $value,
  ];
  $this
    ->submitForm($edit, 'Save');
  preg_match('|entity_test/manage/(\\d+)|', $this
    ->getUrl(), $match);
  $id = $match[1];
  $this
    ->assertSession()
    ->pageTextContains('entity_test ' . $id . ' has been created.');
  $entity = EntityTest::load($id);
  $this
    ->assertEquals($value, $entity->{$field_name}->value, 'Field value was saved');

  // Display edit form.
  $this
    ->drupalGet('entity_test/manage/' . $id . '/edit');

  // Check that the widget is displayed with the correct default value.
  $this
    ->assertSession()
    ->fieldValueEquals("{$field_name}[0][value]", $value);

  // Verify that no extraneous widget is displayed.
  $this
    ->assertSession()
    ->fieldNotExists("{$field_name}[1][value]");

  // Update the entity.
  $value = mt_rand(1, 127);
  $edit = [
    "{$field_name}[0][value]" => $value,
  ];
  $this
    ->submitForm($edit, 'Save');
  $this
    ->assertSession()
    ->pageTextContains('entity_test ' . $id . ' has been updated.');
  $this->container
    ->get('entity_type.manager')
    ->getStorage('entity_test')
    ->resetCache([
    $id,
  ]);
  $entity = EntityTest::load($id);
  $this
    ->assertEquals($value, $entity->{$field_name}->value, 'Field value was updated');

  // Empty the field.
  $value = '';
  $edit = [
    "{$field_name}[0][value]" => $value,
  ];
  $this
    ->drupalGet('entity_test/manage/' . $id . '/edit');
  $this
    ->submitForm($edit, 'Save');
  $this
    ->assertSession()
    ->pageTextContains('entity_test ' . $id . ' has been updated.');
  $this->container
    ->get('entity_type.manager')
    ->getStorage('entity_test')
    ->resetCache([
    $id,
  ]);
  $entity = EntityTest::load($id);
  $this
    ->assertTrue($entity->{$field_name}
    ->isEmpty(), 'Field was emptied');
}