OptionsFieldUITest.php

<?php

/**
 * @file
 * Definition of Drupal\options\Tests\OptionsFieldUITest.
 */
namespace Drupal\options\Tests;

use Drupal\field\Tests\FieldTestBase;

/**
 * Options module UI tests.
 */
class OptionsFieldUITest extends FieldTestBase {

  /**
   * Modules to enable.
   *
   * @var array
   */
  public static $modules = array(
    'options',
    'field_test',
    'taxonomy',
    'field_ui',
  );
  public static function getInfo() {
    return array(
      'name' => 'Options field UI',
      'description' => 'Test the Options field UI functionality.',
      'group' => 'Field types',
    );
  }
  function setUp() {
    parent::setUp();

    // Create test user.
    $admin_user = $this
      ->drupalCreateUser(array(
      'access content',
      'administer content types',
      'administer taxonomy',
    ));
    $this
      ->drupalLogin($admin_user);

    // Create content type, with underscores.
    $type_name = 'test_' . strtolower($this
      ->randomName());
    $type = $this
      ->drupalCreateContentType(array(
      'name' => $type_name,
      'type' => $type_name,
    ));
    $this->type = $type->type;
  }

  /**
   * Options (integer) : test 'allowed values' input.
   */
  function testOptionsAllowedValuesInteger() {
    $this->field_name = 'field_options_integer';
    $this
      ->createOptionsField('list_integer');

    // Flat list of textual values.
    $string = "Zero\nOne";
    $array = array(
      '0' => 'Zero',
      '1' => 'One',
    );
    $this
      ->assertAllowedValuesInput($string, $array, 'Unkeyed lists are accepted.');

    // Explicit integer keys.
    $string = "0|Zero\n2|Two";
    $array = array(
      '0' => 'Zero',
      '2' => 'Two',
    );
    $this
      ->assertAllowedValuesInput($string, $array, 'Integer keys are accepted.');

    // Check that values can be added and removed.
    $string = "0|Zero\n1|One";
    $array = array(
      '0' => 'Zero',
      '1' => 'One',
    );
    $this
      ->assertAllowedValuesInput($string, $array, 'Values can be added and removed.');

    // Non-integer keys.
    $this
      ->assertAllowedValuesInput("1.1|One", 'keys must be integers', 'Non integer keys are rejected.');
    $this
      ->assertAllowedValuesInput("abc|abc", 'keys must be integers', 'Non integer keys are rejected.');

    // Mixed list of keyed and unkeyed values.
    $this
      ->assertAllowedValuesInput("Zero\n1|One", 'invalid input', 'Mixed lists are rejected.');

    // Create a node with actual data for the field.
    $settings = array(
      'type' => $this->type,
      $this->field_name => array(
        LANGUAGE_NOT_SPECIFIED => array(
          array(
            'value' => 1,
          ),
        ),
      ),
    );
    $node = $this
      ->drupalCreateNode($settings);

    // Check that a flat list of values is rejected once the field has data.
    $this
      ->assertAllowedValuesInput("Zero\nOne", 'invalid input', 'Unkeyed lists are rejected once the field has data.');

    // Check that values can be added but values in use cannot be removed.
    $string = "0|Zero\n1|One\n2|Two";
    $array = array(
      '0' => 'Zero',
      '1' => 'One',
      '2' => 'Two',
    );
    $this
      ->assertAllowedValuesInput($string, $array, 'Values can be added.');
    $string = "0|Zero\n1|One";
    $array = array(
      '0' => 'Zero',
      '1' => 'One',
    );
    $this
      ->assertAllowedValuesInput($string, $array, 'Values not in use can be removed.');
    $this
      ->assertAllowedValuesInput("0|Zero", 'some values are being removed while currently in use', 'Values in use cannot be removed.');

    // Delete the node, remove the value.
    node_delete($node->nid);
    $string = "0|Zero";
    $array = array(
      '0' => 'Zero',
    );
    $this
      ->assertAllowedValuesInput($string, $array, 'Values not in use can be removed.');
  }

  /**
   * Options (float) : test 'allowed values' input.
   */
  function testOptionsAllowedValuesFloat() {
    $this->field_name = 'field_options_float';
    $this
      ->createOptionsField('list_float');

    // Flat list of textual values.
    $string = "Zero\nOne";
    $array = array(
      '0' => 'Zero',
      '1' => 'One',
    );
    $this
      ->assertAllowedValuesInput($string, $array, 'Unkeyed lists are accepted.');

    // Explicit numeric keys.
    $string = "0|Zero\n.5|Point five";
    $array = array(
      '0' => 'Zero',
      '0.5' => 'Point five',
    );
    $this
      ->assertAllowedValuesInput($string, $array, 'Integer keys are accepted.');

    // Check that values can be added and removed.
    $string = "0|Zero\n.5|Point five\n1.0|One";
    $array = array(
      '0' => 'Zero',
      '0.5' => 'Point five',
      '1' => 'One',
    );
    $this
      ->assertAllowedValuesInput($string, $array, 'Values can be added and removed.');

    // Non-numeric keys.
    $this
      ->assertAllowedValuesInput("abc|abc\n", 'each key must be a valid integer or decimal', 'Non numeric keys are rejected.');

    // Mixed list of keyed and unkeyed values.
    $this
      ->assertAllowedValuesInput("Zero\n1|One\n", 'invalid input', 'Mixed lists are rejected.');

    // Create a node with actual data for the field.
    $settings = array(
      'type' => $this->type,
      $this->field_name => array(
        LANGUAGE_NOT_SPECIFIED => array(
          array(
            'value' => 0.5,
          ),
        ),
      ),
    );
    $node = $this
      ->drupalCreateNode($settings);

    // Check that a flat list of values is rejected once the field has data.
    $this
      ->assertAllowedValuesInput("Zero\nOne", 'invalid input', 'Unkeyed lists are rejected once the field has data.');

    // Check that values can be added but values in use cannot be removed.
    $string = "0|Zero\n.5|Point five\n2|Two";
    $array = array(
      '0' => 'Zero',
      '0.5' => 'Point five',
      '2' => 'Two',
    );
    $this
      ->assertAllowedValuesInput($string, $array, 'Values can be added.');
    $string = "0|Zero\n.5|Point five";
    $array = array(
      '0' => 'Zero',
      '0.5' => 'Point five',
    );
    $this
      ->assertAllowedValuesInput($string, $array, 'Values not in use can be removed.');
    $this
      ->assertAllowedValuesInput("0|Zero", 'some values are being removed while currently in use', 'Values in use cannot be removed.');

    // Delete the node, remove the value.
    node_delete($node->nid);
    $string = "0|Zero";
    $array = array(
      '0' => 'Zero',
    );
    $this
      ->assertAllowedValuesInput($string, $array, 'Values not in use can be removed.');
  }

  /**
   * Options (text) : test 'allowed values' input.
   */
  function testOptionsAllowedValuesText() {
    $this->field_name = 'field_options_text';
    $this
      ->createOptionsField('list_text');

    // Flat list of textual values.
    $string = "Zero\nOne";
    $array = array(
      'Zero' => 'Zero',
      'One' => 'One',
    );
    $this
      ->assertAllowedValuesInput($string, $array, 'Unkeyed lists are accepted.');

    // Explicit keys.
    $string = "zero|Zero\none|One";
    $array = array(
      'zero' => 'Zero',
      'one' => 'One',
    );
    $this
      ->assertAllowedValuesInput($string, $array, 'Explicit keys are accepted.');

    // Check that values can be added and removed.
    $string = "zero|Zero\ntwo|Two";
    $array = array(
      'zero' => 'Zero',
      'two' => 'Two',
    );
    $this
      ->assertAllowedValuesInput($string, $array, 'Values can be added and removed.');

    // Mixed list of keyed and unkeyed values.
    $string = "zero|Zero\nOne\n";
    $array = array(
      'zero' => 'Zero',
      'One' => 'One',
    );
    $this
      ->assertAllowedValuesInput($string, $array, 'Mixed lists are accepted.');

    // Overly long keys.
    $this
      ->assertAllowedValuesInput("zero|Zero\n" . $this
      ->randomName(256) . "|One", 'each key must be a string at most 255 characters long', 'Overly long keys are rejected.');

    // Create a node with actual data for the field.
    $settings = array(
      'type' => $this->type,
      $this->field_name => array(
        LANGUAGE_NOT_SPECIFIED => array(
          array(
            'value' => 'One',
          ),
        ),
      ),
    );
    $node = $this
      ->drupalCreateNode($settings);

    // Check that flat lists of values are still accepted once the field has
    // data.
    $string = "Zero\nOne";
    $array = array(
      'Zero' => 'Zero',
      'One' => 'One',
    );
    $this
      ->assertAllowedValuesInput($string, $array, 'Unkeyed lists are still accepted once the field has data.');

    // Check that values can be added but values in use cannot be removed.
    $string = "Zero\nOne\nTwo";
    $array = array(
      'Zero' => 'Zero',
      'One' => 'One',
      'Two' => 'Two',
    );
    $this
      ->assertAllowedValuesInput($string, $array, 'Values can be added.');
    $string = "Zero\nOne";
    $array = array(
      'Zero' => 'Zero',
      'One' => 'One',
    );
    $this
      ->assertAllowedValuesInput($string, $array, 'Values not in use can be removed.');
    $this
      ->assertAllowedValuesInput("Zero", 'some values are being removed while currently in use', 'Values in use cannot be removed.');

    // Delete the node, remove the value.
    node_delete($node->nid);
    $string = "Zero";
    $array = array(
      'Zero' => 'Zero',
    );
    $this
      ->assertAllowedValuesInput($string, $array, 'Values not in use can be removed.');
  }

  /**
   * Options (boolen) : test 'On/Off' values input.
   */
  function testOptionsAllowedValuesBoolean() {
    $this->field_name = 'field_options_boolean';
    $this
      ->createOptionsField('list_boolean');

    // Check that the separate 'On' and 'Off' form fields work.
    $on = $this
      ->randomName();
    $off = $this
      ->randomName();
    $allowed_values = array(
      1 => $on,
      0 => $off,
    );
    $edit = array(
      'on' => $on,
      'off' => $off,
    );
    $this
      ->drupalPost($this->admin_path, $edit, t('Save settings'));
    $this
      ->assertText("Saved field_options_boolean configuration.", t("The 'On' and 'Off' form fields work for boolean fields."));

    // Test the allowed_values on the field settings form.
    $this
      ->drupalGet($this->admin_path);
    $this
      ->assertFieldByName('on', $on, t("The 'On' value is stored correctly."));
    $this
      ->assertFieldByName('off', $off, t("The 'Off' value is stored correctly."));
    $field = field_info_field($this->field_name);
    $this
      ->assertEqual($field['settings']['allowed_values'], $allowed_values, 'The allowed value is correct');
    $this
      ->assertFalse(isset($field['settings']['on']), 'The on value is not saved into settings');
    $this
      ->assertFalse(isset($field['settings']['off']), 'The off value is not saved into settings');
  }

  /**
   * Helper function to create list field of a given type.
   *
   * @param string $type
   *   'list_integer', 'list_float', 'list_text' or 'list_boolean'
   */
  protected function createOptionsField($type) {

    // Create a test field and instance.
    $field = array(
      'field_name' => $this->field_name,
      'type' => $type,
    );
    field_create_field($field);
    $instance = array(
      'field_name' => $this->field_name,
      'entity_type' => 'node',
      'bundle' => $this->type,
    );
    field_create_instance($instance);
    $this->admin_path = 'admin/structure/types/manage/' . $this->type . '/fields/' . $this->field_name;
  }

  /**
   * Tests a string input for the 'allowed values' form element.
   *
   * @param $input_string
   *   The input string, in the pipe-linefeed format expected by the form
   *   element.
   * @param $result
   *   Either an expected resulting array in
   *   $field['settings']['allowed_values'], or an expected error message.
   * @param $message
   *   Message to display.
   */
  function assertAllowedValuesInput($input_string, $result, $message) {
    $edit = array(
      'field[settings][allowed_values]' => $input_string,
    );
    $this
      ->drupalPost($this->admin_path, $edit, t('Save settings'));
    if (is_string($result)) {
      $this
        ->assertText($result, $message);
    }
    else {
      field_info_cache_clear();
      $field = field_info_field($this->field_name);
      $this
        ->assertIdentical($field['settings']['allowed_values'], $result, $message);
    }
  }

}