--- /dev/null
+<?php
+
+namespace Drupal\Tests\history\Functional;
+
+use Drupal\Component\Serialization\Json;
+use Drupal\Core\Url;
+use Drupal\system\Tests\Cache\AssertPageCacheContextsAndTagsTrait;
+use Drupal\Tests\BrowserTestBase;
+use GuzzleHttp\Cookie\CookieJar;
+
+/**
+ * Tests the History endpoints.
+ *
+ * @group history
+ */
+class HistoryTest extends BrowserTestBase {
+
+ use AssertPageCacheContextsAndTagsTrait;
+
+ /**
+ * Modules to enable.
+ *
+ * @var array
+ */
+ public static $modules = ['node', 'history'];
+
+ /**
+ * The main user for testing.
+ *
+ * @var object
+ */
+ protected $user;
+
+ /**
+ * A page node for which to check content statistics.
+ *
+ * @var object
+ */
+ protected $testNode;
+
+ /**
+ * The cookie jar holding the testing session cookies for Guzzle requests.
+ *
+ * @var \GuzzleHttp\Client;
+ */
+ protected $client;
+
+ /**
+ * The Guzzle HTTP client.
+ *
+ * @var \GuzzleHttp\Cookie\CookieJar;
+ */
+ protected $cookies;
+
+ protected function setUp() {
+ parent::setUp();
+
+ $this->drupalCreateContentType(['type' => 'page', 'name' => 'Basic page']);
+
+ $this->user = $this->drupalCreateUser(['create page content', 'access content']);
+ $this->drupalLogin($this->user);
+ $this->testNode = $this->drupalCreateNode(['type' => 'page', 'uid' => $this->user->id()]);
+
+ $this->client = $this->getHttpClient();
+ }
+
+ /**
+ * Get node read timestamps from the server for the current user.
+ *
+ * @param array $node_ids
+ * An array of node IDs.
+ *
+ * @return \Psr\Http\Message\ResponseInterface
+ * The response object.
+ */
+ protected function getNodeReadTimestamps(array $node_ids) {
+ // Perform HTTP request.
+ $url = Url::fromRoute('history.get_last_node_view')
+ ->setAbsolute()
+ ->toString();
+ return $this->client->post($url, [
+ 'body' => http_build_query(['node_ids' => $node_ids]),
+ 'cookies' => $this->cookies,
+ 'headers' => [
+ 'Accept' => 'application/json',
+ 'Content-Type' => 'application/x-www-form-urlencoded',
+ ],
+ 'http_errors' => FALSE,
+ ]);
+ }
+
+ /**
+ * Mark a node as read for the current user.
+ *
+ * @param int $node_id
+ * A node ID.
+ *
+ * @return \Psr\Http\Message\ResponseInterface
+ * The response body.
+ */
+ protected function markNodeAsRead($node_id) {
+ $url = Url::fromRoute('history.read_node', ['node' => $node_id], ['absolute' => TRUE])->toString();
+ return $this->client->post($url, [
+ 'cookies' => $this->cookies,
+ 'headers' => [
+ 'Accept' => 'application/json',
+ ],
+ 'http_errors' => FALSE,
+ ]);
+ }
+
+ /**
+ * Verifies that the history endpoints work.
+ */
+ public function testHistory() {
+ $nid = $this->testNode->id();
+
+ // Retrieve "last read" timestamp for test node, for the current user.
+ $response = $this->getNodeReadTimestamps([$nid]);
+ $this->assertEquals(200, $response->getStatusCode());
+ $json = Json::decode($response->getBody());
+ $this->assertIdentical([1 => 0], $json, 'The node has not yet been read.');
+
+ // View the node.
+ $this->drupalGet('node/' . $nid);
+ $this->assertCacheContext('user.roles:authenticated');
+ // JavaScript present to record the node read.
+ $settings = $this->getDrupalSettings();
+ $libraries = explode(',', $settings['ajaxPageState']['libraries']);
+ $this->assertTrue(in_array('history/mark-as-read', $libraries), 'history/mark-as-read library is present.');
+ $this->assertEqual([$nid => TRUE], $settings['history']['nodesToMarkAsRead'], 'drupalSettings to mark node as read are present.');
+
+ // Simulate JavaScript: perform HTTP request to mark node as read.
+ $response = $this->markNodeAsRead($nid);
+ $this->assertEquals(200, $response->getStatusCode());
+ $timestamp = Json::decode($response->getBody());
+ $this->assertTrue(is_numeric($timestamp), 'Node has been marked as read. Timestamp received.');
+
+ // Retrieve "last read" timestamp for test node, for the current user.
+ $response = $this->getNodeReadTimestamps([$nid]);
+ $this->assertEquals(200, $response->getStatusCode());
+ $json = Json::decode($response->getBody());
+ $this->assertIdentical([1 => $timestamp], $json, 'The node has been read.');
+
+ // Failing to specify node IDs for the first endpoint should return a 404.
+ $response = $this->getNodeReadTimestamps([]);
+ $this->assertEquals(404, $response->getStatusCode());
+
+ // Accessing either endpoint as the anonymous user should return a 403.
+ $this->drupalLogout();
+ $response = $this->getNodeReadTimestamps([$nid]);
+ $this->assertEquals(403, $response->getStatusCode());
+ $response = $this->getNodeReadTimestamps([]);
+ $this->assertEquals(403, $response->getStatusCode());
+ $response = $this->markNodeAsRead($nid);
+ $this->assertEquals(403, $response->getStatusCode());
+ }
+
+ /**
+ * Obtain the HTTP client and set the cookies.
+ *
+ * @return \GuzzleHttp\Client
+ * The client with BrowserTestBase configuration.
+ */
+ protected function getHttpClient() {
+ // Similar code is also employed to test CSRF tokens.
+ // @see \Drupal\Tests\system\Functional\CsrfRequestHeaderTest::testRouteAccess()
+ $domain = parse_url($this->getUrl(), PHP_URL_HOST);
+ $session_id = $this->getSession()->getCookie($this->getSessionName());
+ $this->cookies = CookieJar::fromArray([$this->getSessionName() => $session_id], $domain);
+ return $this->getSession()->getDriver()->getClient()->getClient();
+ }
+
+}