diff core/tests/Drupal/FunctionalJavascriptTests/BrowserWithJavascriptTest.php @ 17:129ea1e6d783

Update, including to Drupal core 8.6.10

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/core/tests/Drupal/FunctionalJavascriptTests/BrowserWithJavascriptTest.php	Thu Feb 28 13:21:36 2019 +0000
@@ -0,0 +1,63 @@
+<?php
+
+namespace Drupal\FunctionalJavascriptTests;
+
+/**
+ * Tests if we can execute JavaScript in the browser.
+ *
+ * @group javascript
+ */
+class BrowserWithJavascriptTest extends WebDriverTestBase {
+
+  public function testJavascript() {
+    $this->drupalGet('<front>');
+    $session = $this->getSession();
+
+    $session->resizeWindow(400, 300);
+    $javascript = <<<JS
+    (function(){
+        var w = window,
+        d = document,
+        e = d.documentElement,
+        g = d.getElementsByTagName('body')[0],
+        x = w.innerWidth || e.clientWidth || g.clientWidth,
+        y = w.innerHeight || e.clientHeight|| g.clientHeight;
+        return x == 400 && y == 300;
+    }());
+JS;
+    $this->assertJsCondition($javascript);
+  }
+
+  public function testAssertJsCondition() {
+    $this->drupalGet('<front>');
+    $session = $this->getSession();
+
+    $session->resizeWindow(500, 300);
+    $javascript = <<<JS
+    (function(){
+        var w = window,
+        d = document,
+        e = d.documentElement,
+        g = d.getElementsByTagName('body')[0],
+        x = w.innerWidth || e.clientWidth || g.clientWidth,
+        y = w.innerHeight || e.clientHeight|| g.clientHeight;
+        return x == 400 && y == 300;
+    }());
+JS;
+
+    // We expected the following assertion to fail because the window has been
+    // re-sized to have a width of 500 not 400.
+    $this->setExpectedException(\PHPUnit_Framework_AssertionFailedError::class);
+    $this->assertJsCondition($javascript, 100);
+  }
+
+  /**
+   * Tests creating screenshots.
+   */
+  public function testCreateScreenshot() {
+    $this->drupalGet('<front>');
+    $this->createScreenshot('public://screenshot.jpg');
+    $this->assertFileExists('public://screenshot.jpg');
+  }
+
+}