function PagerTest::testPagerApi

Tests the api functions on the view object.

File

core/modules/views/tests/src/Functional/Plugin/PagerTest.php, line 437

Class

PagerTest

Tests the pluggable pager system.

Namespace

Code

public function testPagerApi() : void {
    $view = Views::getView('test_pager_full');
    $view->setDisplay();
    // On the first round don't initialize the pager.
    $this->assertNull($view->getItemsPerPage(), 'If the pager is not initialized and no manual override there is no items per page.');
    $rand_number = rand(1, 5);
    $view->setItemsPerPage($rand_number);
    $this->assertEquals($rand_number, $view->getItemsPerPage(), 'Make sure getItemsPerPage uses the settings of setItemsPerPage.');
    $this->assertNull($view->getOffset(), 'If the pager is not initialized and no manual override there is no offset.');
    $rand_number = rand(1, 5);
    $view->setOffset($rand_number);
    $this->assertEquals($rand_number, $view->getOffset(), 'Make sure getOffset uses the settings of setOffset.');
    $this->assertNull($view->getCurrentPage(), 'If the pager is not initialized and no manual override there is no current page.');
    $rand_number = rand(1, 5);
    $view->setCurrentPage($rand_number);
    $this->assertEquals($rand_number, $view->getCurrentPage(), 'Make sure getCurrentPage uses the settings of set_current_page.');
    $view->destroy();
    // On this round enable the pager.
    $view->initDisplay();
    $view->initQuery();
    $view->initPager();
    $this->assertEquals(5, $view->getItemsPerPage(), 'Per default the view has 5 items per page.');
    $rand_number = rand(1, 5);
    $view->setItemsPerPage($rand_number);
    $rand_number = rand(6, 11);
    $view->pager
        ->setItemsPerPage($rand_number);
    $this->assertEquals($rand_number, $view->getItemsPerPage(), 'Make sure getItemsPerPage uses the settings of setItemsPerPage.');
    $this->assertEquals(0, $view->getOffset(), 'Per default a view has a 0 offset.');
    $rand_number = rand(1, 5);
    $view->setOffset($rand_number);
    $rand_number = rand(6, 11);
    $view->pager
        ->setOffset($rand_number);
    $this->assertEquals($rand_number, $view->getOffset(), 'Make sure getOffset uses the settings of setOffset.');
    $this->assertEquals(0, $view->getCurrentPage(), 'Per default the current page is 0.');
    $rand_number = rand(1, 5);
    $view->setCurrentPage($rand_number);
    $rand_number = rand(6, 11);
    $view->pager
        ->setCurrentPage($rand_number);
    $this->assertEquals($rand_number, $view->getCurrentPage(), 'Make sure getCurrentPage uses the settings of set_current_page.');
    // Set an invalid page and make sure the method takes care about it.
    $view->setCurrentPage(-1);
    $this->assertEquals(0, $view->getCurrentPage(), 'Make sure setCurrentPage always sets a valid page number.');
}