--- /dev/null
+<?php
+
+namespace Drupal\Tests\views\Unit\Plugin\field;
+
+use Drupal\Tests\UnitTestCase;
+use Drupal\views\Entity\View;
+use Drupal\views\Plugin\views\field\Counter;
+use Drupal\views\ResultRow;
+use Drupal\views\Tests\ViewTestData;
+
+/**
+ * @coversDefaultClass \Drupal\views\Plugin\views\field\Counter
+ * @group views
+ */
+class CounterTest extends UnitTestCase {
+
+ /**
+ * The pager plugin instance.
+ *
+ * @var \Drupal\views\Plugin\views\pager\PagerPluginBase
+ */
+ protected $pager;
+
+ /**
+ * The view executable.
+ *
+ * @var \Drupal\views\ViewExecutable
+ */
+ protected $view;
+
+ /**
+ * The display plugin instance.
+ *
+ * @var \Drupal\views\Plugin\views\display\DisplayPluginBase
+ */
+ protected $display;
+
+
+ /**
+ * Stores the test data.
+ *
+ * @var array
+ */
+ protected $testData = [];
+
+ /**
+ * The handler definition of the counter field.
+ *
+ * @return array
+ */
+ protected $definition;
+
+ /**
+ * {@inheritdoc}
+ */
+ protected function setUp() {
+ parent::setUp();
+
+ // Setup basic stuff like the view and the display.
+ $config = [];
+ $config['display']['default'] = [
+ 'id' => 'default',
+ 'display_plugin' => 'default',
+ 'display_title' => 'Default',
+ ];
+
+ $storage = new View($config, 'view');
+ $user = $this->getMock('Drupal\Core\Session\AccountInterface');
+ $views_data = $this->getMockBuilder('Drupal\views\ViewsData')
+ ->disableOriginalConstructor()
+ ->getMock();
+ $route_provider = $this->getMock('Drupal\Core\Routing\RouteProviderInterface');
+ $this->view = $this->getMock('Drupal\views\ViewExecutable', NULL, [$storage, $user, $views_data, $route_provider]);
+
+ $this->display = $this->getMockBuilder('Drupal\views\Plugin\views\display\DisplayPluginBase')
+ ->disableOriginalConstructor()
+ ->getMock();
+
+ $this->pager = $this->getMockBuilder('Drupal\views\Plugin\views\pager\Full')
+ ->disableOriginalConstructor()
+ ->setMethods(NULL)
+ ->getMock();
+
+ $this->view->display_handler = $this->display;
+ $this->view->pager = $this->pager;
+
+ foreach (ViewTestData::dataSet() as $index => $set) {
+ $this->testData[] = new ResultRow($set + ['index' => $index]);
+ }
+
+ $this->definition = ['title' => 'counter field', 'plugin_type' => 'field'];
+ }
+
+ /**
+ * Provides some row index to test.
+ *
+ * @return array
+ * Returns an array of row index to test.
+ */
+ public function providerRowIndexes() {
+ return [
+ [0],
+ [1],
+ [2],
+ ];
+ }
+
+ /**
+ * Tests a simple counter field.
+ *
+ * @dataProvider providerRowIndexes
+ */
+ public function testSimpleCounter($i) {
+ $counter_handler = new Counter([], 'counter', $this->definition);
+ $options = [];
+ $counter_handler->init($this->view, $this->display, $options);
+
+ $this->view->row_index = $i;
+ $expected = $i + 1;
+
+ $counter = $counter_handler->getValue($this->testData[$i]);
+ $this->assertEquals($expected, $counter, 'The expected number matches with the counter number');
+ $counter = $this->renderCounter($counter_handler, $this->testData[$i]);
+ $this->assertEquals($expected, $counter, 'The expected number matches with the rendered number');
+ }
+
+ /**
+ * Tests a counter with a random start.
+ *
+ * @param int $i
+ * The row index to test.
+ *
+ * @dataProvider providerRowIndexes
+ */
+ public function testCounterRandomStart($i) {
+ // Setup a counter field with a random start.
+ $rand_start = rand(5, 10);
+ $counter_handler = new Counter([], 'counter', $this->definition);
+ $options = [
+ 'counter_start' => $rand_start,
+ ];
+ $counter_handler->init($this->view, $this->display, $options);
+
+ $this->view->row_index = $i;
+ $expected = $rand_start + $i;
+
+ $counter = $counter_handler->getValue($this->testData[$i]);
+ $this->assertEquals($expected, $counter, 'The expected number matches with the counter number');
+ $counter = $this->renderCounter($counter_handler, $this->testData[$i]);
+ $this->assertEquals($expected, $counter, 'The expected number matches with the rendered number');
+ }
+
+ /**
+ * Tests a counter field with a random pager offset.
+ *
+ * @param int $i
+ * The row index to test.
+ *
+ * @dataProvider providerRowIndexes
+ */
+ public function testCounterRandomPagerOffset($i) {
+ // Setup a counter field with a pager with a random offset.
+ $offset = 3;
+ $this->pager->setOffset($offset);
+
+ $rand_start = rand(5, 10);
+ $counter_handler = new Counter([], 'counter', $this->definition);
+ $options = [
+ 'counter_start' => $rand_start,
+ ];
+ $counter_handler->init($this->view, $this->display, $options);
+
+ $this->view->row_index = $i;
+ $expected = $offset + $rand_start + $i;
+
+ $counter = $counter_handler->getValue($this->testData[$i]);
+ $this->assertEquals($expected, $counter, 'The expected number matches with the counter number');
+ $counter = $this->renderCounter($counter_handler, $this->testData[$i]);
+ $this->assertEquals($expected, $counter, 'The expected number matches with the rendered number');
+ }
+
+ /**
+ * Tests a counter field on the second page.
+ *
+ * @param int $i
+ * The row index to test.
+ *
+ * @dataProvider providerRowIndexes
+ */
+ public function testCounterSecondPage($i) {
+ $offset = 3;
+ // Setup a pager on the second page.
+ $this->pager->setOffset($offset);
+ $items_per_page = 5;
+ $this->pager->setItemsPerPage($items_per_page);
+ $current_page = 1;
+ $this->pager->setCurrentPage($current_page);
+
+ $rand_start = rand(5, 10);
+ $counter_handler = new Counter([], 'counter', $this->definition);
+ $options = [
+ 'counter_start' => $rand_start,
+ ];
+ $counter_handler->init($this->view, $this->display, $options);
+
+ $this->view->row_index = $i;
+ $expected = $items_per_page + $offset + $rand_start + $i;
+
+ $counter = $counter_handler->getValue($this->testData[$i]);
+ $this->assertEquals($expected, $counter, 'The expected number matches with the counter number');
+ $counter = $this->renderCounter($counter_handler, $this->testData[$i]);
+ $this->assertEquals($expected, $counter, 'The expected number matches with the rendered number');
+ }
+
+ /**
+ * Renders the counter field handler.
+ *
+ * @param \Drupal\views\Plugin\views\field\Counter $handler
+ * The counter handler.
+ * @param \Drupal\views\ResultRow $row
+ * A result row.
+ *
+ * @return string
+ * The counter rendered markup.
+ */
+ protected function renderCounter(Counter $handler, ResultRow $row) {
+ $markup = $handler->render($row);
+ $handler->postRender($row, $markup);
+ return $handler->last_render;
+ }
+
+}