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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)));
}
}
}
}
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