protected function PagerTest::assertPagerItems in Zircon Profile 8
Same name and namespace in other branches
- 8.0 core/modules/system/src/Tests/Pager/PagerTest.php \Drupal\system\Tests\Pager\PagerTest::assertPagerItems()
Asserts pager items and links.
Parameters
int $current_page: The current pager page the internal browser is on.
1 call to PagerTest::assertPagerItems()
- PagerTest::testActiveClass in core/
modules/ system/ src/ Tests/ Pager/ PagerTest.php - Tests markup and CSS classes of pager links.
File
- core/
modules/ system/ src/ Tests/ Pager/ PagerTest.php, line 127 - Contains \Drupal\system\Tests\Pager\PagerTest.
Class
- PagerTest
- Tests pager functionality.
Namespace
Drupal\system\Tests\PagerCode
protected function assertPagerItems($current_page) {
$elements = $this
->xpath('//ul[contains(@class, :class)]/li', array(
':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));
}
}