Version 1

[yaffs-website] / web / core / modules / system / tests / src / Functional / Theme / TwigExtensionTest.php

diff --git a/web/core/modules/system/tests/src/Functional/Theme/TwigExtensionTest.php b/web/core/modules/system/tests/src/Functional/Theme/TwigExtensionTest.php
new file mode 100644 (file)
index 0000000..5e3bc72
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+++ b/web/core/modules/system/tests/src/Functional/Theme/TwigExtensionTest.php
@@ -0,0 +1,89 @@
+<?php
+
+namespace Drupal\Tests\system\Functional\Theme;
+
+use Drupal\Tests\BrowserTestBase;
+
+/**
+ * Tests Twig extensions.
+ *
+ * @group Theme
+ */
+class TwigExtensionTest extends BrowserTestBase {
+
+  /**
+   * Modules to enable.
+   *
+   * @var array
+   */
+  public static $modules = ['theme_test', 'twig_extension_test'];
+
+  protected function setUp() {
+    parent::setUp();
+    \Drupal::service('theme_handler')->install(['test_theme']);
+  }
+
+  /**
+   * Tests that the provided Twig extension loads the service appropriately.
+   */
+  public function testTwigExtensionLoaded() {
+    $twigService = \Drupal::service('twig');
+    $ext = $twigService->getExtension('twig_extension_test.test_extension');
+    $this->assertEqual(get_class($ext), 'Drupal\twig_extension_test\TwigExtension\TestExtension', 'TestExtension loaded successfully.');
+  }
+
+  /**
+   * Tests that the Twig extension's filter produces expected output.
+   */
+  public function testTwigExtensionFilter() {
+    $this->config('system.theme')
+      ->set('default', 'test_theme')
+      ->save();
+
+    $this->drupalGet('twig-extension-test/filter');
+    $this->assertText('Every plant is not a mineral.', 'Success: String filtered.');
+    // Test safe_join filter.
+    $this->assertRaw('&lt;em&gt;will be escaped&lt;/em&gt;<br/><em>will be markup</em><br/><strong>will be rendered</strong>');
+  }
+
+  /**
+   * Tests that the Twig extension's function produces expected output.
+   */
+  public function testTwigExtensionFunction() {
+    $this->config('system.theme')
+      ->set('default', 'test_theme')
+      ->save();
+
+    $this->drupalGet('twig-extension-test/function');
+    $this->assertText('THE QUICK BROWN BOX JUMPS OVER THE LAZY DOG 123.', 'Success: Text converted to uppercase.');
+    $this->assertText('the quick brown box jumps over the lazy dog 123.', 'Success: Text converted to lowercase.');
+    $this->assertNoText('The Quick Brown Fox Jumps Over The Lazy Dog 123.', 'Success: No text left behind.');
+  }
+
+  /**
+   * Tests output of integer and double 0 values of TwigExtension::escapeFilter().
+   *
+   * @see https://www.drupal.org/node/2417733
+   */
+  public function testsRenderEscapedZeroValue() {
+    /** @var \Drupal\Core\Template\TwigExtension $extension */
+    $extension = \Drupal::service('twig.extension');
+    /** @var \Drupal\Core\Template\TwigEnvironment $twig */
+    $twig = \Drupal::service('twig');
+    $this->assertIdentical($extension->escapeFilter($twig, 0), 0, 'TwigExtension::escapeFilter() returns zero correctly when provided as an integer.');
+    $this->assertIdentical($extension->escapeFilter($twig, 0.0), 0, 'TwigExtension::escapeFilter() returns zero correctly when provided as a double.');
+  }
+
+  /**
+   * Tests output of integer and double 0 values of TwigExtension->renderVar().
+   *
+   * @see https://www.drupal.org/node/2417733
+   */
+  public function testsRenderZeroValue() {
+    /** @var \Drupal\Core\Template\TwigExtension $extension */
+    $extension = \Drupal::service('twig.extension');
+    $this->assertIdentical($extension->renderVar(0), 0, 'TwigExtension::renderVar() renders zero correctly when provided as an integer.');
+    $this->assertIdentical($extension->renderVar(0.0), 0, 'TwigExtension::renderVar() renders zero correctly when provided as a double.');
+  }
+
+}