cms/drupal/modules/simpletest/tests/batch.test
changeset 541 e756a8c72c3d
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cms/drupal/modules/simpletest/tests/batch.test	Fri Sep 08 12:04:06 2017 +0200
@@ -0,0 +1,403 @@
+<?php
+
+/**
+ * @file
+ * Tests for the Batch API.
+ */
+
+/**
+ * Tests for the Batch API.
+ */
+class BatchProcessingTestCase extends DrupalWebTestCase {
+  public static function getInfo() {
+    return array(
+      'name' => 'Batch processing',
+      'description' => 'Test batch processing in form and non-form workflow.',
+      'group' => 'Batch API',
+    );
+  }
+
+  function setUp() {
+    parent::setUp('batch_test');
+  }
+
+  /**
+   * Test batches triggered outside of form submission.
+   */
+  function testBatchNoForm() {
+    // Displaying the page triggers batch 1.
+    $this->drupalGet('batch-test/no-form');
+    $this->assertBatchMessages($this->_resultMessages(1), t('Batch for step 2 performed successfully.'));
+    $this->assertEqual(batch_test_stack(), $this->_resultStack('batch_1'), t('Execution order was correct.'));
+    $this->assertText('Redirection successful.', t('Redirection after batch execution is correct.'));
+  }
+
+  /**
+   * Test batches defined in a form submit handler.
+   */
+  function testBatchForm() {
+    // Batch 0: no operation.
+    $edit = array('batch' => 'batch_0');
+    $this->drupalPost('batch-test/simple', $edit, 'Submit');
+    $this->assertBatchMessages($this->_resultMessages('batch_0'), t('Batch with no operation performed successfully.'));
+    $this->assertText('Redirection successful.', t('Redirection after batch execution is correct.'));
+
+    // Batch 1: several simple operations.
+    $edit = array('batch' => 'batch_1');
+    $this->drupalPost('batch-test/simple', $edit, 'Submit');
+    $this->assertBatchMessages($this->_resultMessages('batch_1'), t('Batch with simple operations performed successfully.'));
+    $this->assertEqual(batch_test_stack(), $this->_resultStack('batch_1'), t('Execution order was correct.'));
+    $this->assertText('Redirection successful.', t('Redirection after batch execution is correct.'));
+
+    // Batch 2: one multistep operation.
+    $edit = array('batch' => 'batch_2');
+    $this->drupalPost('batch-test/simple', $edit, 'Submit');
+    $this->assertBatchMessages($this->_resultMessages('batch_2'), t('Batch with multistep operation performed successfully.'));
+    $this->assertEqual(batch_test_stack(), $this->_resultStack('batch_2'), t('Execution order was correct.'));
+    $this->assertText('Redirection successful.', t('Redirection after batch execution is correct.'));
+
+    // Batch 3: simple + multistep combined.
+    $edit = array('batch' => 'batch_3');
+    $this->drupalPost('batch-test/simple', $edit, 'Submit');
+    $this->assertBatchMessages($this->_resultMessages('batch_3'), t('Batch with simple and multistep operations performed successfully.'));
+    $this->assertEqual(batch_test_stack(), $this->_resultStack('batch_3'), t('Execution order was correct.'));
+    $this->assertText('Redirection successful.', t('Redirection after batch execution is correct.'));
+
+    // Batch 4: nested batch.
+    $edit = array('batch' => 'batch_4');
+    $this->drupalPost('batch-test/simple', $edit, 'Submit');
+    $this->assertBatchMessages($this->_resultMessages('batch_4'), t('Nested batch performed successfully.'));
+    $this->assertEqual(batch_test_stack(), $this->_resultStack('batch_4'), t('Execution order was correct.'));
+    $this->assertText('Redirection successful.', t('Redirection after batch execution is correct.'));
+  }
+
+  /**
+   * Test batches defined in a multistep form.
+   */
+  function testBatchFormMultistep() {
+    $this->drupalGet('batch-test/multistep');
+    $this->assertText('step 1', t('Form is displayed in step 1.'));
+
+    // First step triggers batch 1.
+    $this->drupalPost(NULL, array(), 'Submit');
+    $this->assertBatchMessages($this->_resultMessages('batch_1'), t('Batch for step 1 performed successfully.'));
+    $this->assertEqual(batch_test_stack(), $this->_resultStack('batch_1'), t('Execution order was correct.'));
+    $this->assertText('step 2', t('Form is displayed in step 2.'));
+
+    // Second step triggers batch 2.
+    $this->drupalPost(NULL, array(), 'Submit');
+    $this->assertBatchMessages($this->_resultMessages('batch_2'), t('Batch for step 2 performed successfully.'));
+    $this->assertEqual(batch_test_stack(), $this->_resultStack('batch_2'), t('Execution order was correct.'));
+    $this->assertText('Redirection successful.', t('Redirection after batch execution is correct.'));
+  }
+
+  /**
+   * Test batches defined in different submit handlers on the same form.
+   */
+  function testBatchFormMultipleBatches() {
+    // Batches 1, 2 and 3 are triggered in sequence by different submit
+    // handlers. Each submit handler modify the submitted 'value'.
+    $value = rand(0, 255);
+    $edit = array('value' => $value);
+    $this->drupalPost('batch-test/chained', $edit, 'Submit');
+    // Check that result messages are present and in the correct order.
+    $this->assertBatchMessages($this->_resultMessages('chained'), t('Batches defined in separate submit handlers performed successfully.'));
+    // The stack contains execution order of batch callbacks and submit
+    // hanlders and logging of corresponding $form_state[{values'].
+    $this->assertEqual(batch_test_stack(), $this->_resultStack('chained', $value), t('Execution order was correct, and $form_state is correctly persisted.'));
+    $this->assertText('Redirection successful.', t('Redirection after batch execution is correct.'));
+  }
+
+  /**
+   * Test batches defined in a programmatically submitted form.
+   *
+   * Same as above, but the form is submitted through drupal_form_execute().
+   */
+  function testBatchFormProgrammatic() {
+    // Batches 1, 2 and 3 are triggered in sequence by different submit
+    // handlers. Each submit handler modify the submitted 'value'.
+    $value = rand(0, 255);
+    $this->drupalGet('batch-test/programmatic/' . $value);
+    // Check that result messages are present and in the correct order.
+    $this->assertBatchMessages($this->_resultMessages('chained'), t('Batches defined in separate submit handlers performed successfully.'));
+    // The stack contains execution order of batch callbacks and submit
+    // hanlders and logging of corresponding $form_state[{values'].
+    $this->assertEqual(batch_test_stack(), $this->_resultStack('chained', $value), t('Execution order was correct, and $form_state is correctly persisted.'));
+    $this->assertText('Got out of a programmatic batched form.', t('Page execution continues normally.'));
+  }
+
+  /**
+   * Test that drupal_form_submit() can run within a batch operation.
+   */
+  function testDrupalFormSubmitInBatch() {
+    // Displaying the page triggers a batch that programmatically submits a
+    // form.
+    $value = rand(0, 255);
+    $this->drupalGet('batch-test/nested-programmatic/' . $value);
+    $this->assertEqual(batch_test_stack(), array('mock form submitted with value = ' . $value), t('drupal_form_submit() ran successfully within a batch operation.'));
+  }
+
+  /**
+   * Test batches that return $context['finished'] > 1 do in fact complete.
+   * See http://drupal.org/node/600836
+   */
+  function testBatchLargePercentage() {
+    // Displaying the page triggers batch 5.
+    $this->drupalGet('batch-test/large-percentage');
+    $this->assertBatchMessages($this->_resultMessages(1), t('Batch for step 2 performed successfully.'));
+    $this->assertEqual(batch_test_stack(), $this->_resultStack('batch_5'), t('Execution order was correct.'));
+    $this->assertText('Redirection successful.', t('Redirection after batch execution is correct.'));
+  }
+
+
+  /**
+   * Will trigger a pass if the texts were found in order in the raw content.
+   *
+   * @param $texts
+   *   Array of raw strings to look for .
+   * @param $message
+   *   Message to display.
+   * @return
+   *   TRUE on pass, FALSE on fail.
+   */
+  function assertBatchMessages($texts, $message) {
+    $pattern = '|' . implode('.*', $texts) .'|s';
+    return $this->assertPattern($pattern, $message);
+  }
+
+  /**
+   * Helper function: return expected execution stacks for the test batches.
+   */
+  function _resultStack($id, $value = 0) {
+    $stack = array();
+    switch ($id) {
+      case 'batch_1':
+        for ($i = 1; $i <= 10; $i++) {
+          $stack[] = "op 1 id $i";
+        }
+        break;
+
+      case 'batch_2':
+        for ($i = 1; $i <= 10; $i++) {
+          $stack[] = "op 2 id $i";
+        }
+        break;
+
+      case 'batch_3':
+        for ($i = 1; $i <= 5; $i++) {
+          $stack[] = "op 1 id $i";
+        }
+        for ($i = 1; $i <= 5; $i++) {
+          $stack[] = "op 2 id $i";
+        }
+        for ($i = 6; $i <= 10; $i++) {
+          $stack[] = "op 1 id $i";
+        }
+        for ($i = 6; $i <= 10; $i++) {
+          $stack[] = "op 2 id $i";
+        }
+        break;
+
+      case 'batch_4':
+        for ($i = 1; $i <= 5; $i++) {
+          $stack[] = "op 1 id $i";
+        }
+        $stack[] = 'setting up batch 2';
+        for ($i = 6; $i <= 10; $i++) {
+          $stack[] = "op 1 id $i";
+        }
+        $stack = array_merge($stack, $this->_resultStack('batch_2'));
+        break;
+
+      case 'batch_5':
+        for ($i = 1; $i <= 10; $i++) {
+          $stack[] = "op 5 id $i";
+        }
+        break;
+
+      case 'chained':
+        $stack[] = 'submit handler 1';
+        $stack[] = 'value = ' . $value;
+        $stack = array_merge($stack, $this->_resultStack('batch_1'));
+        $stack[] = 'submit handler 2';
+        $stack[] = 'value = ' . ($value + 1);
+        $stack = array_merge($stack, $this->_resultStack('batch_2'));
+        $stack[] = 'submit handler 3';
+        $stack[] = 'value = ' . ($value + 2);
+        $stack[] = 'submit handler 4';
+        $stack[] = 'value = ' . ($value + 3);
+        $stack = array_merge($stack, $this->_resultStack('batch_3'));
+        break;
+    }
+    return $stack;
+  }
+
+  /**
+   * Helper function: return expected result messages for the test batches.
+   */
+  function _resultMessages($id) {
+    $messages = array();
+
+    switch ($id) {
+      case 'batch_0':
+        $messages[] = 'results for batch 0<br />none';
+        break;
+
+      case 'batch_1':
+        $messages[] = 'results for batch 1<br />op 1: processed 10 elements';
+        break;
+
+      case 'batch_2':
+        $messages[] = 'results for batch 2<br />op 2: processed 10 elements';
+        break;
+
+      case 'batch_3':
+        $messages[] = 'results for batch 3<br />op 1: processed 10 elements<br />op 2: processed 10 elements';
+        break;
+
+      case 'batch_4':
+        $messages[] = 'results for batch 4<br />op 1: processed 10 elements';
+        $messages = array_merge($messages, $this->_resultMessages('batch_2'));
+        break;
+
+      case 'batch_5':
+        $messages[] = 'results for batch 5<br />op 1: processed 10 elements. $context[\'finished\'] > 1 returned from batch process, with success.';
+        break;
+
+      case 'chained':
+        $messages = array_merge($messages, $this->_resultMessages('batch_1'));
+        $messages = array_merge($messages, $this->_resultMessages('batch_2'));
+        $messages = array_merge($messages, $this->_resultMessages('batch_3'));
+        break;
+    }
+    return $messages;
+  }
+}
+
+/**
+ * Tests for the Batch API Progress page.
+ */
+class BatchPageTestCase extends DrupalWebTestCase {
+  public static function getInfo() {
+    return array(
+      'name' => 'Batch progress page',
+      'description' => 'Test the content of the progress page.',
+      'group' => 'Batch API',
+    );
+  }
+
+  function setUp() {
+    parent::setUp('batch_test');
+  }
+
+  /**
+   * Tests that the batch API progress page uses the correct theme.
+   */
+  function testBatchProgressPageTheme() {
+    // Make sure that the page which starts the batch (an administrative page)
+    // is using a different theme than would normally be used by the batch API.
+    variable_set('theme_default', 'bartik');
+    variable_set('admin_theme', 'seven');
+    // Log in as an administrator who can see the administrative theme.
+    $admin_user = $this->drupalCreateUser(array('view the administration theme'));
+    $this->drupalLogin($admin_user);
+    // Visit an administrative page that runs a test batch, and check that the
+    // theme that was used during batch execution (which the batch callback
+    // function saved as a variable) matches the theme used on the
+    // administrative page.
+    $this->drupalGet('admin/batch-test/test-theme');
+    // The stack should contain the name of the theme used on the progress
+    // page.
+    $this->assertEqual(batch_test_stack(), array('seven'), t('A progressive batch correctly uses the theme of the page that started the batch.'));
+  }
+}
+
+/**
+ * Tests the function _batch_api_percentage() to make sure that the rounding
+ * works properly in all cases.
+ */
+class BatchPercentagesUnitTestCase extends DrupalUnitTestCase {
+  protected $testCases = array();
+
+  public static function getInfo() {
+    return array(
+      'name' => 'Batch percentages',
+      'description' => 'Unit tests of progress percentage rounding.',
+      'group' => 'Batch API',
+    );
+  }
+
+  function setUp() {
+    // Set up an array of test cases, where the expected values are the keys,
+    // and the values are arrays with the keys 'total' and 'current',
+    // corresponding with the function parameters of _batch_api_percentage().
+    $this->testCases = array(
+      // 1/2 is 50%.
+      '50' => array('total' => 2, 'current' => 1),
+      // Though we should never encounter a case where the current set is set
+      // 0, if we did, we should get 0%.
+      '0' => array('total' => 3, 'current' => 0),
+      // 1/3 is closer to 33% than to 34%.
+      '33' => array('total' => 3, 'current' => 1),
+      // 2/3 is closer to 67% than to 66%.
+      '67' => array('total' => 3, 'current' => 2),
+      // 1/199 should round up to 1%.
+      '1' => array('total' => 199, 'current' => 1),
+      // 198/199 should round down to 99%.
+      '99' => array('total' => 199, 'current' => 198),
+      // 199/200 would have rounded up to 100%, which would give the false
+      // impression of being finished, so we add another digit and should get
+      // 99.5%.
+      '99.5' => array('total' => 200, 'current' => 199),
+      // The same logic holds for 1/200: we should get 0.5%.
+      '0.5' => array('total' => 200, 'current' => 1),
+      // Numbers that come out evenly, such as 50/200, should be forced to have
+      // extra digits for consistancy.
+      '25.0' => array('total' => 200, 'current' => 50),
+      // Regardless of number of digits we're using, 100% should always just be
+      // 100%.
+      '100' => array('total' => 200, 'current' => 200),
+      // 1998/1999 should similarly round down to 99.9%.
+      '99.9' => array('total' => 1999, 'current' => 1998),
+      // 1999/2000 should add another digit and go to 99.95%.
+      '99.95' => array('total' => 2000, 'current' => 1999),
+      // 19999/20000 should add yet another digit and go to 99.995%.
+      '99.995' => array('total' => 20000, 'current' => 19999),
+      // The next five test cases simulate a batch with a single operation
+      // ('total' equals 1) that takes several steps to complete. Within the
+      // operation, we imagine that there are 501 items to process, and 100 are
+      // completed during each step. The percentages we get back should be
+      // rounded the usual way for the first few passes (i.e., 20%, 40%, etc.),
+      // but for the last pass through, when 500 out of 501 items have been
+      // processed, we do not want to round up to 100%, since that would
+      // erroneously indicate that the processing is complete.
+      '20' => array('total' => 1, 'current' => 100/501),
+      '40' => array('total' => 1, 'current' => 200/501),
+      '60' => array('total' => 1, 'current' => 300/501),
+      '80' => array('total' => 1, 'current' => 400/501),
+      '99.8' => array('total' => 1, 'current' => 500/501),
+    );
+    require_once DRUPAL_ROOT . '/includes/batch.inc';
+    parent::setUp();
+  }
+
+  /**
+   * Test the _batch_api_percentage() function.
+   */
+  function testBatchPercentages() {
+    foreach ($this->testCases as $expected_result => $arguments) {
+      // PHP sometimes casts numeric strings that are array keys to integers,
+      // cast them back here.
+      $expected_result = (string) $expected_result;
+      $total = $arguments['total'];
+      $current = $arguments['current'];
+      $actual_result = _batch_api_percentage($total, $current);
+      if ($actual_result === $expected_result) {
+        $this->pass(t('Expected the batch api percentage at the state @numerator/@denominator to be @expected%, and got @actual%.', array('@numerator' => $current, '@denominator' => $total, '@expected' => $expected_result, '@actual' => $actual_result)));
+      }
+      else {
+        $this->fail(t('Expected the batch api percentage at the state @numerator/@denominator to be @expected%, but got @actual%.', array('@numerator' => $current, '@denominator' => $total, '@expected' => $expected_result, '@actual' => $actual_result)));
+      }
+    }
+  }
+}