<?php

/**
 * @file
 * Webform module conditional tests.
 */

include_once(dirname(__FILE__) . '/webform.test');

class WebformConditionalsTestCase extends WebformTestCase {
  /**
   * Implements getInfo().
   */
  public static function getInfo() {
    return array(
      'name' => t('Webform conditionals'),
      'description' => t('Generates webforms to test conditional showing and hiding of fields.'),
      'group' => t('Webform'),
    );
  }

  /**
   * Implements setUp().
   */
  function setUp($added_modules = array()) {
    parent::setUp($added_modules);
  }

  /**
   * Implements tearDown().
   */
  function tearDown() {
    parent::tearDown();
  }

  /**
   * Test that required fields with no default value can't be submitted as-is.
   */
  function testWebformConditionals() {
    $this->drupalLogin($this->webform_users['admin']);
    $this->webformReset();

    $test_components = $this->testWebformComponents();
    $test_specs = array(
      'match conditional values' => TRUE,
      'mismatch conditional values' => FALSE,
    );
    // Test each component, processing all 'match conditional values' for TRUE
    // and all 'mismatch conditional values for FALSE.
    foreach ($test_components as $key => $component_info) {
      foreach ($test_specs as $values_key => $result) {
        if (isset($component_info[$values_key])) {
          foreach ($component_info[$values_key] as $operator => $match_value) {
            $this->webformTestConditionalComponent($component_info['component'], $component_info['sample values'], $operator, $match_value, $result);
          }
        }
      }
    }

    $this->drupalLogout();
  }

  /**
   * Assembles a test node for checking if conditional properties are respected.
   *
   * @param $component
   *   The sample component that should be tested as the source of a conditional
   *   operator.
   * @param $operator
   *   The operator that will be used to check the source component, such as
   *   "equal" or "starts_with". See _webform_conditional_operator_info().
   * @param $conditional_values
   *   The string match value that will be entered into the source component's
   *   conditional configuration. If passed in as an array, multiple rules
   *   will be added to the conditional.
   * @param $should_match
   *   Boolean value indicating if the source values will cause the conditional
   *   operation to trigger or not. If TRUE, the submission should succeed.
   *   If FALSE, validation errors are expected to be triggered. The input
   *   $value will be compared against the "sample values" input provided by
   *   testWebformComponents().
   * @return
   *   None. This function executes its own assert statements to show results.
   */
  private function webformTestConditionalComponent($component, $input_values, $operator, $conditional_values, $should_match) {
    // Create the Webform test node and add a same-page conditional followed
    // by a second-page conditional. Insert page breaks between all components.
    $input_string = (is_array($input_values) ? print_r($input_values, 1) : $input_values);
    $match_string = (is_array($conditional_values) ? print_r($conditional_values, 1) : $conditional_values);
    $conditional_string = $should_match ? 'should' : 'should not';
    $settings = array(
      'title' => 'Test conditional webform: ' . $component['type'] . ' "' . $input_string . '"' . $conditional_string . ' be ' . $operator . ' "' . $match_string . '"',
      'type' => 'webform',
      'webform' => webform_node_defaults(),
    );

    $components = array();
    $components[] = $component;

    $test_components = $this->testWebformComponents();
    $textfield = $test_components['textfield']['component'];

    // Add a test textfield on the first page.
    $textfield['weight'] = '199';
    $textfield['form_key'] = $this->randomName();
    $textfield['required'] = '1';
    $components[] = $textfield;

    // Then add a page break and another textfield on the second page.
    $components[] = array(
      'type' => 'pagebreak',
      'form_key' => 'pagebreak_' . $this->randomName(),
      'pid' => 0,
      'name' => 'Page break',
      'weight' => '200',
    );
    $textfield['form_key'] = $this->randomName();
    $textfield['weight'] = '201';
    $components[] = $textfield;

    $settings['webform']['components'] = $components;
    $node = $this->drupalCreateNode($settings);
    $node = node_load($node->nid); // Needed to get a complete object.

    // We now have a new test node. First try checking same-page conditionals.
    $rules = array();
    $conditional_values = is_array($conditional_values) ? $conditional_values : array($conditional_values);
    foreach ($conditional_values as $conditional_value) {
      $rules[] = array(
        'source_type' => 'component',
        'source' => 1, // The first component in the form is always the source.
        'operator' => $operator,
        'value' => $conditional_value,
      );
    }
    $conditional = array(
      'rgid' => 0,
      'rules' => $rules,
      'andor' => 'and',
      'actions' => array(
        0 => array(
          'action' => 'show',
          'target' => NULL, // Target set individually.
          'target_type' => 'component',
          'invert' => '1',
          'argument' => NULL,
        ),
      ),
      'weight' => 0,
    );

    $conditional['actions'][0]['target'] = 2; // The same-page textfield test.
    $node->webform['conditionals'] = array($conditional);
    node_save($node);

    // Submit our test data.
    $edit = $this->testWebformPost(array($component['form_key'] => $input_values));
    $this->drupalPost('node/' . $node->nid, $edit, 'Next Page >', array(), array(), 'webform-client-form-' . $node->nid);

    // Ensure we reached the second page for matched conditionals.
    $message = t('Conditional same-page skipping of validation passed for "%form_key": %input_values @conditional_string be @operator %match_string', array('%form_key' => $component['form_key'], '%input_values' => $input_string, '@conditional_string' => $conditional_string, '@operator' => $operator, '%match_string' => $match_string));
    if ($should_match) {
      $this->assertRaw('&lt; Previous Page', $message, t('Webform'));
    }
    // Or that we did not reach the second page for mismatched conditionals.
    else {
      $this->assertNoRaw('&lt; Previous Page', $message, t('Webform'));
    }

    // Adjust the conditionals to make them separate-page conditionals.
    $conditional['actions'][0]['target'] = 3; // The separate-page textfield test.
    $node->webform['conditionals'] = array($conditional);
    $node->webform['components'][2]['required'] = '0';
    node_save($node);

    // Re-submit the form again, this time checking for the field on the
    // second page.
    $this->drupalPost('node/' . $node->nid, $edit, 'Next Page >', array(), array(), 'webform-client-form-' . $node->nid);
    $string_match = 'name="submitted[' . $textfield['form_key'] . ']"';

    // Ensure that the field is properly hidden based on a match.
    $message = t('Conditional separate-page skipping of validation passed for "%form_key": %input_values @conditional_string be @operator %match_string', array('%form_key' => $component['form_key'], '%input_values' => $input_string, '@conditional_string' => $conditional_string, '@operator' => $operator, '%match_string' => $match_string));
    if ($should_match) {
      $this->assertNoRaw($string_match, $message, t('Webform'));
    }
    // Or that the field is still present on a mismatch.
    else {
      $this->assertRaw($string_match, $message, t('Webform'));
    }
  }
}