Mercurial > hg > isophonics-drupal-site
view core/modules/system/src/Tests/Pager/PagerTest.php @ 5:c69a71b4f40f
Add slideshow module
author | Chris Cannam |
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date | Thu, 07 Dec 2017 14:46:23 +0000 |
parents | 4c8ae668cc8c |
children |
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<?php namespace Drupal\system\Tests\Pager; use Drupal\simpletest\WebTestBase; /** * Tests pager functionality. * * @group Pager */ class PagerTest extends WebTestBase { /** * Modules to enable. * * @var array */ public static $modules = ['dblog', 'pager_test']; /** * A user with permission to access site reports. * * @var \Drupal\user\UserInterface */ protected $adminUser; protected $profile = 'testing'; protected function setUp() { parent::setUp(); // Insert 300 log messages. $logger = $this->container->get('logger.factory')->get('pager_test'); for ($i = 0; $i < 300; $i++) { $logger->debug($this->randomString()); } $this->adminUser = $this->drupalCreateUser([ 'access site reports', ]); $this->drupalLogin($this->adminUser); } /** * Tests markup and CSS classes of pager links. */ public function testActiveClass() { // Verify first page. $this->drupalGet('admin/reports/dblog'); $current_page = 0; $this->assertPagerItems($current_page); // Verify any page but first/last. $current_page++; $this->drupalGet('admin/reports/dblog', ['query' => ['page' => $current_page]]); $this->assertPagerItems($current_page); // Verify last page. $elements = $this->xpath('//li[contains(@class, :class)]/a', [':class' => 'pager__item--last']); preg_match('@page=(\d+)@', $elements[0]['href'], $matches); $current_page = (int) $matches[1]; $this->drupalGet($GLOBALS['base_root'] . parse_url($this->getUrl())['path'] . $elements[0]['href'], ['external' => TRUE]); $this->assertPagerItems($current_page); } /** * Test proper functioning of the query parameters and the pager cache context. */ public function testPagerQueryParametersAndCacheContext() { // First page. $this->drupalGet('pager-test/query-parameters'); $this->assertText(t('Pager calls: 0'), 'Initial call to pager shows 0 calls.'); $this->assertText('[url.query_args.pagers:0]=0.0'); $this->assertCacheContext('url.query_args'); // Go to last page, the count of pager calls need to go to 1. $elements = $this->xpath('//li[contains(@class, :class)]/a', [':class' => 'pager__item--last']); $this->drupalGet($this->getAbsoluteUrl($elements[0]['href'])); $this->assertText(t('Pager calls: 1'), 'First link call to pager shows 1 calls.'); $this->assertText('[url.query_args.pagers:0]=0.60'); $this->assertCacheContext('url.query_args'); // Go back to first page, the count of pager calls need to go to 2. $elements = $this->xpath('//li[contains(@class, :class)]/a', [':class' => 'pager__item--first']); $this->drupalGet($this->getAbsoluteUrl($elements[0]['href'])); $this->drupalGet($GLOBALS['base_root'] . parse_url($this->getUrl())['path'] . $elements[0]['href'], ['external' => TRUE]); $this->assertText(t('Pager calls: 2'), 'Second link call to pager shows 2 calls.'); $this->assertText('[url.query_args.pagers:0]=0.0'); $this->assertCacheContext('url.query_args'); } /** * Test proper functioning of multiple pagers. */ public function testMultiplePagers() { // First page. $this->drupalGet('pager-test/multiple-pagers'); // Test data. // Expected URL query string param is 0-indexed. // Expected page per pager is 1-indexed. $test_data = [ // With no query, all pagers set to first page. [ 'input_query' => NULL, 'expected_page' => [0 => '1', 1 => '1', 4 => '1'], 'expected_query' => '?page=0,0,,,0', ], // Blanks around page numbers should not be relevant. [ 'input_query' => '?page=2 , 10,,, 5 ,,', 'expected_page' => [0 => '3', 1 => '11', 4 => '6'], 'expected_query' => '?page=2,10,,,5', ], // Blanks within page numbers should lead to only the first integer // to be considered. [ 'input_query' => '?page=2 , 3 0,,, 4 13 ,,', 'expected_page' => [0 => '3', 1 => '4', 4 => '5'], 'expected_query' => '?page=2,3,,,4', ], // If floats are passed as page numbers, only the integer part is // returned. [ 'input_query' => '?page=2.1,6.999,,,5.', 'expected_page' => [0 => '3', 1 => '7', 4 => '6'], 'expected_query' => '?page=2,6,,,5', ], // Partial page fragment, undefined pagers set to first page. [ 'input_query' => '?page=5,2', 'expected_page' => [0 => '6', 1 => '3', 4 => '1'], 'expected_query' => '?page=5,2,,,0', ], // Partial page fragment, undefined pagers set to first page. [ 'input_query' => '?page=,2', 'expected_page' => [0 => '1', 1 => '3', 4 => '1'], 'expected_query' => '?page=0,2,,,0', ], // Partial page fragment, undefined pagers set to first page. [ 'input_query' => '?page=,', 'expected_page' => [0 => '1', 1 => '1', 4 => '1'], 'expected_query' => '?page=0,0,,,0', ], // With overflow pages, all pagers set to max page. [ 'input_query' => '?page=99,99,,,99', 'expected_page' => [0 => '16', 1 => '16', 4 => '16'], 'expected_query' => '?page=15,15,,,15', ], // Wrong value for the page resets pager to first page. [ 'input_query' => '?page=bar,5,foo,qux,bet', 'expected_page' => [0 => '1', 1 => '6', 4 => '1'], 'expected_query' => '?page=0,5,,,0', ], ]; // We loop through the page with the test data query parameters, and check // that the active page for each pager element has the expected page // (1-indexed) and resulting query parameter foreach ($test_data as $data) { $input_query = str_replace(' ', '%20', $data['input_query']); $this->drupalGet($GLOBALS['base_root'] . parse_url($this->getUrl())['path'] . $input_query, ['external' => TRUE]); foreach ([0, 1, 4] as $pager_element) { $active_page = $this->cssSelect("div.test-pager-{$pager_element} ul.pager__items li.is-active:contains('{$data['expected_page'][$pager_element]}')"); $destination = str_replace('%2C', ',', $active_page[0]->a['href'][0]->__toString()); $this->assertEqual($destination, $data['expected_query']); } } } /** * Test proper functioning of the ellipsis. */ public function testPagerEllipsis() { // Insert 100 extra log messages to get 9 pages. $logger = $this->container->get('logger.factory')->get('pager_test'); for ($i = 0; $i < 100; $i++) { $logger->debug($this->randomString()); } $this->drupalGet('admin/reports/dblog'); $elements = $this->cssSelect(".pager__item--ellipsis:contains('…')"); $this->assertEqual(count($elements), 0, 'No ellipsis has been set.'); // Insert an extra 50 log messages to get 10 pages. $logger = $this->container->get('logger.factory')->get('pager_test'); for ($i = 0; $i < 50; $i++) { $logger->debug($this->randomString()); } $this->drupalGet('admin/reports/dblog'); $elements = $this->cssSelect(".pager__item--ellipsis:contains('…')"); $this->assertEqual(count($elements), 1, 'Found the ellipsis.'); } /** * Asserts pager items and links. * * @param int $current_page * The current pager page the internal browser is on. */ protected function assertPagerItems($current_page) { $elements = $this->xpath('//ul[contains(@class, :class)]/li', [':class' => 'pager__items']); $this->assertTrue(!empty($elements), 'Pager found.'); // Make current page 1-based. $current_page++; // Extract first/previous and next/last items. // first/previous only exist, if the current page is not the first. if ($current_page > 1) { $first = array_shift($elements); $previous = array_shift($elements); } // next/last always exist, unless the current page is the last. if ($current_page != count($elements)) { $last = array_pop($elements); $next = array_pop($elements); } // We remove elements from the $elements array in the following code, so // we store the total number of pages for verifying the "last" link. $total_pages = count($elements); // Verify items and links to pages. foreach ($elements as $page => $element) { // Make item/page index 1-based. $page++; if ($current_page == $page) { $this->assertClass($element, 'is-active', 'Element for current page has .is-active class.'); $this->assertTrue($element->a, 'Element for current page has link.'); $destination = $element->a['href'][0]->__toString(); // URL query string param is 0-indexed. $this->assertEqual($destination, '?page=' . ($page - 1)); } else { $this->assertNoClass($element, 'is-active', "Element for page $page has no .is-active class."); $this->assertClass($element, 'pager__item', "Element for page $page has .pager__item class."); $this->assertTrue($element->a, "Link to page $page found."); $destination = $element->a['href'][0]->__toString(); $this->assertEqual($destination, '?page=' . ($page - 1)); } unset($elements[--$page]); } // Verify that no other items remain untested. $this->assertTrue(empty($elements), 'All expected items found.'); // Verify first/previous and next/last items and links. if (isset($first)) { $this->assertClass($first, 'pager__item--first', 'Element for first page has .pager__item--first class.'); $this->assertTrue($first->a, 'Link to first page found.'); $this->assertNoClass($first->a, 'is-active', 'Link to first page is not active.'); $destination = $first->a['href'][0]->__toString(); $this->assertEqual($destination, '?page=0'); } if (isset($previous)) { $this->assertClass($previous, 'pager__item--previous', 'Element for first page has .pager__item--previous class.'); $this->assertTrue($previous->a, 'Link to previous page found.'); $this->assertNoClass($previous->a, 'is-active', 'Link to previous page is not active.'); $destination = $previous->a['href'][0]->__toString(); // URL query string param is 0-indexed, $current_page is 1-indexed. $this->assertEqual($destination, '?page=' . ($current_page - 2)); } if (isset($next)) { $this->assertClass($next, 'pager__item--next', 'Element for next page has .pager__item--next class.'); $this->assertTrue($next->a, 'Link to next page found.'); $this->assertNoClass($next->a, 'is-active', 'Link to next page is not active.'); $destination = $next->a['href'][0]->__toString(); // URL query string param is 0-indexed, $current_page is 1-indexed. $this->assertEqual($destination, '?page=' . $current_page); } if (isset($last)) { $this->assertClass($last, 'pager__item--last', 'Element for last page has .pager__item--last class.'); $this->assertTrue($last->a, 'Link to last page found.'); $this->assertNoClass($last->a, 'is-active', 'Link to last page is not active.'); $destination = $last->a['href'][0]->__toString(); // URL query string param is 0-indexed. $this->assertEqual($destination, '?page=' . ($total_pages - 1)); } } /** * Asserts that an element has a given class. * * @param \SimpleXMLElement $element * The element to test. * @param string $class * The class to assert. * @param string $message * (optional) A verbose message to output. */ protected function assertClass(\SimpleXMLElement $element, $class, $message = NULL) { if (!isset($message)) { $message = "Class .$class found."; } $this->assertTrue(strpos($element['class'], $class) !== FALSE, $message); } /** * Asserts that an element does not have a given class. * * @param \SimpleXMLElement $element * The element to test. * @param string $class * The class to assert. * @param string $message * (optional) A verbose message to output. */ protected function assertNoClass(\SimpleXMLElement $element, $class, $message = NULL) { if (!isset($message)) { $message = "Class .$class not found."; } $this->assertTrue(strpos($element['class'], $class) === FALSE, $message); } }