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+<?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)));
+ }
+ }
+ }
+}