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<?php
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/**
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* @file
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* Tests for pager functionality.
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*/
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/**
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* Tests pager functionality.
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*/
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class PagerFunctionalWebTestCase extends DrupalWebTestCase {
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protected $profile = 'testing';
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public static function getInfo() {
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return array(
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'name' => 'Pager functionality',
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'description' => 'Tests pager functionality.',
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'group' => 'Pager',
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);
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}
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function setUp() {
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parent::setUp(array('dblog'));
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// Insert 300 log messages.
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for ($i = 0; $i < 300; $i++) {
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watchdog('pager_test', $this->randomString(), NULL, WATCHDOG_DEBUG);
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}
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$this->admin_user = $this->drupalCreateUser(array(
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'access site reports',
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));
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$this->drupalLogin($this->admin_user);
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}
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/**
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* Tests markup and CSS classes of pager links.
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*/
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function testActiveClass() {
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// Verify first page.
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$this->drupalGet('admin/reports/dblog');
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$current_page = 0;
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$this->assertPagerItems($current_page);
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// Verify any page but first/last.
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$current_page++;
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$this->drupalGet('admin/reports/dblog', array('query' => array('page' => $current_page)));
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$this->assertPagerItems($current_page);
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// Verify last page.
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$elements = $this->xpath('//li[contains(@class, :class)]/a', array(':class' => 'pager-last'));
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preg_match('@page=(\d+)@', $elements[0]['href'], $matches);
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$current_page = (int) $matches[1];
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$this->drupalGet($GLOBALS['base_root'] . $elements[0]['href'], array('external' => TRUE));
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$this->assertPagerItems($current_page);
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}
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/**
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* Asserts pager items and links.
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*
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* @param int $current_page
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* The current pager page the internal browser is on.
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*/
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protected function assertPagerItems($current_page) {
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$elements = $this->xpath('//ul[@class=:class]/li', array(':class' => 'pager'));
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$this->assertTrue(!empty($elements), 'Pager found.');
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// Make current page 1-based.
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$current_page++;
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// Extract first/previous and next/last items.
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// first/previous only exist, if the current page is not the first.
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if ($current_page > 1) {
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$first = array_shift($elements);
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$previous = array_shift($elements);
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}
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// next/last always exist, unless the current page is the last.
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if ($current_page != count($elements)) {
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$last = array_pop($elements);
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$next = array_pop($elements);
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}
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// Verify items and links to pages.
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foreach ($elements as $page => $element) {
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// Make item/page index 1-based.
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$page++;
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if ($current_page == $page) {
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$this->assertClass($element, 'pager-current', 'Item for current page has .pager-current class.');
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$this->assertFalse(isset($element->a), 'Item for current page has no link.');
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}
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else {
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$this->assertNoClass($element, 'pager-current', "Item for page $page has no .pager-current class.");
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$this->assertClass($element, 'pager-item', "Item for page $page has .pager-item class.");
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$this->assertTrue($element->a, "Link to page $page found.");
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$this->assertNoClass($element->a, 'active', "Link to page $page is not active.");
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}
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unset($elements[--$page]);
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}
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// Verify that no other items remain untested.
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$this->assertTrue(empty($elements), 'All expected items found.');
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// Verify first/previous and next/last items and links.
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if (isset($first)) {
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$this->assertClass($first, 'pager-first', 'Item for first page has .pager-first class.');
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$this->assertTrue($first->a, 'Link to first page found.');
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$this->assertNoClass($first->a, 'active', 'Link to first page is not active.');
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}
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if (isset($previous)) {
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$this->assertClass($previous, 'pager-previous', 'Item for first page has .pager-previous class.');
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$this->assertTrue($previous->a, 'Link to previous page found.');
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$this->assertNoClass($previous->a, 'active', 'Link to previous page is not active.');
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}
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if (isset($next)) {
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$this->assertClass($next, 'pager-next', 'Item for next page has .pager-next class.');
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$this->assertTrue($next->a, 'Link to next page found.');
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$this->assertNoClass($next->a, 'active', 'Link to next page is not active.');
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}
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if (isset($last)) {
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$this->assertClass($last, 'pager-last', 'Item for last page has .pager-last class.');
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$this->assertTrue($last->a, 'Link to last page found.');
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$this->assertNoClass($last->a, 'active', 'Link to last page is not active.');
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}
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}
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/**
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* Asserts that an element has a given class.
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*
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* @param SimpleXMLElement $element
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* The element to test.
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* @param string $class
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* The class to assert.
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* @param string $message
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* (optional) A verbose message to output.
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*/
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protected function assertClass(SimpleXMLElement $element, $class, $message = NULL) {
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if (!isset($message)) {
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$message = "Class .$class found.";
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}
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$this->assertTrue(strpos($element['class'], $class) !== FALSE, $message);
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}
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/**
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* Asserts that an element does not have a given class.
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*
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* @param SimpleXMLElement $element
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* The element to test.
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* @param string $class
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* The class to assert.
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* @param string $message
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* (optional) A verbose message to output.
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*/
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protected function assertNoClass(SimpleXMLElement $element, $class, $message = NULL) {
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if (!isset($message)) {
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$message = "Class .$class not found.";
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}
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$this->assertTrue(strpos($element['class'], $class) === FALSE, $message);
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}
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}
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