batch_test.module

<?php

/**
 * @file
 * Helper module for the Batch API tests.
 */
use Drupal\Core\Batch\BatchBuilder;
use Drupal\Core\Form\FormState;

/**
 * Batch operation: Submits form_test_mock_form().
 */
function _batch_test_nested_drupal_form_submit_callback($value) {
  $form_state = (new FormState())
    ->setValue('test_value', $value);
  \Drupal::formBuilder()
    ->submitForm('Drupal\\batch_test\\Form\\BatchTestMockForm', $form_state);
}

/**
 * Batch 0: Does nothing.
 */
function _batch_test_batch_0() {
  $batch_builder = (new BatchBuilder())
    ->setFile(\Drupal::service('extension.list.module')
    ->getPath('batch_test') . '/batch_test.callbacks.inc')
    ->setFinishCallback('_batch_test_finished_0');
  return $batch_builder
    ->toArray() + [
    'batch_test_id' => 'batch_0',
  ];
}

/**
 * Batch 1: Repeats a simple operation.
 *
 * Operations: op 1 from 1 to 10.
 */
function _batch_test_batch_1() {

  // Ensure the batch takes at least two iterations.
  $total = 10;
  $sleep = 1000000 / $total * 2;
  $batch_builder = (new BatchBuilder())
    ->setFile(\Drupal::service('extension.list.module')
    ->getPath('batch_test') . '/batch_test.callbacks.inc')
    ->setFinishCallback('_batch_test_finished_1');
  for ($i = 1; $i <= $total; $i++) {
    $batch_builder
      ->addOperation('_batch_test_callback_1', [
      $i,
      $sleep,
    ]);
  }
  return $batch_builder
    ->toArray() + [
    'batch_test_id' => 'batch_1',
  ];
}

/**
 * Batch 2: Performs a single multistep operation.
 *
 * Operations: op 2 from 1 to 10.
 */
function _batch_test_batch_2() {

  // Ensure the batch takes at least two iterations.
  $total = 10;
  $sleep = 1000000 / $total * 2;
  $batch_builder = (new BatchBuilder())
    ->setFile(\Drupal::service('extension.list.module')
    ->getPath('batch_test') . '/batch_test.callbacks.inc')
    ->addOperation('_batch_test_callback_2', [
    1,
    $total,
    $sleep,
  ])
    ->setFinishCallback('_batch_test_finished_2');
  return $batch_builder
    ->toArray() + [
    'batch_test_id' => 'batch_2',
  ];
}

/**
 * Batch 3: Performs both single and multistep operations.
 *
 * Operations:
 * - op 1 from 1 to 5,
 * - op 2 from 1 to 5,
 * - op 1 from 6 to 10,
 * - op 2 from 6 to 10.
 */
function _batch_test_batch_3() {

  // Ensure the batch takes at least two iterations.
  $total = 10;
  $sleep = 1000000 / $total * 2;
  $batch_builder = (new BatchBuilder())
    ->setFile(\Drupal::service('extension.list.module')
    ->getPath('batch_test') . '/batch_test.callbacks.inc')
    ->setFinishCallback('_batch_test_finished_3');
  for ($i = 1; $i <= round($total / 2); $i++) {
    $batch_builder
      ->addOperation('_batch_test_callback_1', [
      $i,
      $sleep,
    ]);
  }
  $batch_builder
    ->addOperation('_batch_test_callback_2', [
    1,
    $total / 2,
    $sleep,
  ]);
  for ($i = round($total / 2) + 1; $i <= $total; $i++) {
    $batch_builder
      ->addOperation('_batch_test_callback_1', [
      $i,
      $sleep,
    ]);
  }
  $batch_builder
    ->addOperation('_batch_test_callback_2', [
    6,
    $total / 2,
    $sleep,
  ]);
  return $batch_builder
    ->toArray() + [
    'batch_test_id' => 'batch_3',
  ];
}

/**
 * Batch 4: Performs a batch within a batch.
 *
 * Operations:
 * - op 1 from 1 to 5,
 * - set batch 2 (op 2 from 1 to 10, should run at the end)
 * - op 1 from 6 to 10,
 */
function _batch_test_batch_4() {

  // Ensure the batch takes at least two iterations.
  $total = 10;
  $sleep = 1000000 / $total * 2;
  $batch_builder = (new BatchBuilder())
    ->setFile(\Drupal::service('extension.list.module')
    ->getPath('batch_test') . '/batch_test.callbacks.inc')
    ->setFinishCallback('_batch_test_finished_4');
  for ($i = 1; $i <= round($total / 2); $i++) {
    $batch_builder
      ->addOperation('_batch_test_callback_1', [
      $i,
      $sleep,
    ]);
  }
  $batch_builder
    ->addOperation('_batch_test_nested_batch_callback', [
    [
      2,
    ],
  ]);
  for ($i = round($total / 2) + 1; $i <= $total; $i++) {
    $batch_builder
      ->addOperation('_batch_test_callback_1', [
      $i,
      $sleep,
    ]);
  }
  return $batch_builder
    ->toArray() + [
    'batch_test_id' => 'batch_4',
  ];
}

/**
 * Batch 5: Repeats a simple operation.
 *
 * Operations: op 1 from 1 to 10.
 */
function _batch_test_batch_5() {

  // Ensure the batch takes at least two iterations.
  $total = 10;
  $sleep = 1000000 / $total * 2;
  $batch_builder = (new BatchBuilder())
    ->setFile(\Drupal::service('extension.list.module')
    ->getPath('batch_test') . '/batch_test.callbacks.inc')
    ->setFinishCallback('_batch_test_finished_5');
  for ($i = 1; $i <= $total; $i++) {
    $batch_builder
      ->addOperation('_batch_test_callback_5', [
      $i,
      $sleep,
    ]);
  }
  return $batch_builder
    ->toArray() + [
    'batch_test_id' => 'batch_5',
  ];
}

/**
 * Batch 6: Repeats a simple operation.
 *
 * Operations: op 6 from 1 to 10.
 */
function _batch_test_batch_6() {

  // Ensure the batch takes at least two iterations.
  $total = 10;
  $sleep = 1000000 / $total * 2;
  $batch_builder = (new BatchBuilder())
    ->setFile(\Drupal::service('extension.list.module')
    ->getPath('batch_test') . '/batch_test.callbacks.inc')
    ->setFinishCallback('_batch_test_finished_6');
  for ($i = 1; $i <= $total; $i++) {
    $batch_builder
      ->addOperation('_batch_test_callback_6', [
      $i,
      $sleep,
    ]);
  }
  return $batch_builder
    ->toArray() + [
    'batch_test_id' => 'batch_6',
  ];
}

/**
 * Batch 7: Performs two batches within a batch.
 *
 * Operations:
 * - op 7 from 1 to 5,
 * - set batch 5 (op 5 from 1 to 10, should run at the end before batch 2)
 * - set batch 6 (op 6 from 1 to 10, should run at the end after batch 1)
 * - op 7 from 6 to 10,
 */
function _batch_test_batch_7() {

  // Ensure the batch takes at least two iterations.
  $total = 10;
  $sleep = 1000000 / $total * 2;
  $batch_builder = (new BatchBuilder())
    ->setFile(\Drupal::service('extension.list.module')
    ->getPath('batch_test') . '/batch_test.callbacks.inc')
    ->setFinishCallback('_batch_test_finished_7');
  for ($i = 1; $i <= $total / 2; $i++) {
    $batch_builder
      ->addOperation('_batch_test_callback_7', [
      $i,
      $sleep,
    ]);
  }
  $batch_builder
    ->addOperation('_batch_test_nested_batch_callback', [
    [
      6,
      5,
    ],
  ]);
  for ($i = $total / 2 + 1; $i <= $total; $i++) {
    $batch_builder
      ->addOperation('_batch_test_callback_7', [
      $i,
      $sleep,
    ]);
  }
  return $batch_builder
    ->toArray() + [
    'batch_test_id' => 'batch_7',
  ];
}

/**
 * Batch 8: Throws an exception.
 */
function _batch_test_batch_8() : array {
  $batch_builder = (new BatchBuilder())
    ->setFile(\Drupal::service('extension.list.module')
    ->getPath('batch_test') . '/batch_test.callbacks.inc')
    ->addOperation('_batch_test_callback_8', [
    FALSE,
  ])
    ->addOperation('_batch_test_callback_8', [
    TRUE,
  ]);
  return $batch_builder
    ->toArray() + [
    'batch_test_id' => 'batch_8',
  ];
}

/**
 * Implements callback_batch_operation().
 *
 * Tests the progress page theme.
 */
function _batch_test_theme_callback() {

  // Because drupalGet() steps through the full progressive batch before
  // returning control to the test function, we cannot test that the correct
  // theme is being used on the batch processing page by viewing that page
  // directly. Instead, we save the theme being used in a variable here, so
  // that it can be loaded and inspected in the thread running the test.
  $theme = \Drupal::theme()
    ->getActiveTheme()
    ->getName();
  batch_test_stack($theme);
}

/**
 * Tests the title on the progress page by performing a batch callback.
 */
function _batch_test_title_callback() {

  // Because drupalGet() steps through the full progressive batch before
  // returning control to the test function, we cannot test that the correct
  // title is being used on the batch processing page by viewing that page
  // directly. Instead, we save the title being used in a variable here, so
  // that it can be loaded and inspected in the thread running the test.
  $request = \Drupal::request();
  $route_match = \Drupal::routeMatch();
  $title = \Drupal::service('title_resolver')
    ->getTitle($request, $route_match
    ->getRouteObject());
  batch_test_stack($title);
}

/**
 * Helper function: Stores or retrieves traced execution data.
 */
function batch_test_stack($data = NULL, $reset = FALSE) {
  $state = \Drupal::state();
  if ($reset) {
    $state
      ->delete('batch_test.stack');
  }
  if (!isset($data)) {
    return $state
      ->get('batch_test.stack');
  }
  $stack = $state
    ->get('batch_test.stack');
  $stack[] = $data;
  $state
    ->set('batch_test.stack', $stack);
}