--- /dev/null
+<?php
+
+namespace Drupal\Tests\system\Kernel\Theme;
+
+use Drupal\Component\Serialization\Json;
+use Drupal\Component\Utility\Html;
+use Drupal\Component\Render\FormattableMarkup;
+use Drupal\Core\Session\UserSession;
+use Drupal\Core\Url;
+use Drupal\KernelTests\KernelTestBase;
+
+/**
+ * Tests for common theme functions.
+ *
+ * @group Theme
+ */
+class FunctionsTest extends KernelTestBase {
+
+ /**
+ * Modules to enable.
+ *
+ * @var array
+ */
+ public static $modules = ['router_test', 'system'];
+
+ /**
+ * {@inheritdoc}
+ */
+ protected function setUp() {
+ parent::setUp();
+
+ // Enable the Classy theme.
+ $this->container->get('theme_handler')->install(['classy']);
+ $this->config('system.theme')->set('default', 'classy')->save();
+ }
+
+ /**
+ * Tests item-list.html.twig.
+ */
+ public function testItemList() {
+ // Verify that empty items produce no output.
+ $variables = [];
+ $expected = '';
+ $this->assertThemeOutput('item_list', $variables, $expected, 'Empty %callback generates no output.');
+
+ // Verify that empty items with title produce no output.
+ $variables = [];
+ $variables['title'] = 'Some title';
+ $expected = '';
+ $this->assertThemeOutput('item_list', $variables, $expected, 'Empty %callback with title generates no output.');
+
+ // Verify that empty items produce the empty string.
+ $variables = [];
+ $variables['empty'] = 'No items found.';
+ $expected = '<div class="item-list">No items found.</div>';
+ $this->assertThemeOutput('item_list', $variables, $expected, 'Empty %callback generates empty string.');
+
+ // Verify that empty items produce the empty string with title.
+ $variables = [];
+ $variables['title'] = 'Some title';
+ $variables['empty'] = 'No items found.';
+ $expected = '<div class="item-list"><h3>Some title</h3>No items found.</div>';
+ $this->assertThemeOutput('item_list', $variables, $expected, 'Empty %callback generates empty string with title.');
+
+ // Verify that title set to 0 is output.
+ $variables = [];
+ $variables['title'] = 0;
+ $variables['empty'] = 'No items found.';
+ $expected = '<div class="item-list"><h3>0</h3>No items found.</div>';
+ $this->assertThemeOutput('item_list', $variables, $expected, '%callback with title set to 0 generates a title.');
+
+ // Verify that title set to a render array is output.
+ $variables = [];
+ $variables['title'] = [
+ '#markup' => '<span>Render array</span>',
+ ];
+ $variables['empty'] = 'No items found.';
+ $expected = '<div class="item-list"><h3><span>Render array</span></h3>No items found.</div>';
+ $this->assertThemeOutput('item_list', $variables, $expected, '%callback with title set to a render array generates a title.');
+
+ // Verify that empty text is not displayed when there are list items.
+ $variables = [];
+ $variables['title'] = 'Some title';
+ $variables['empty'] = 'No items found.';
+ $variables['items'] = ['Un', 'Deux', 'Trois'];
+ $expected = '<div class="item-list"><h3>Some title</h3><ul><li>Un</li><li>Deux</li><li>Trois</li></ul></div>';
+ $this->assertThemeOutput('item_list', $variables, $expected, '%callback does not print empty text when there are list items.');
+
+ // Verify nested item lists.
+ $variables = [];
+ $variables['title'] = 'Some title';
+ $variables['attributes'] = [
+ 'id' => 'parentlist',
+ ];
+ $variables['items'] = [
+ // A plain string value forms an own item.
+ 'a',
+ // Items can be fully-fledged render arrays with their own attributes.
+ [
+ '#wrapper_attributes' => [
+ 'id' => 'item-id-b',
+ ],
+ '#markup' => 'b',
+ 'childlist' => [
+ '#theme' => 'item_list',
+ '#attributes' => ['id' => 'blist'],
+ '#list_type' => 'ol',
+ '#items' => [
+ 'ba',
+ [
+ '#markup' => 'bb',
+ '#wrapper_attributes' => ['class' => ['item-class-bb']],
+ ],
+ ],
+ ],
+ ],
+ // However, items can also be child #items.
+ [
+ '#markup' => 'c',
+ 'childlist' => [
+ '#attributes' => ['id' => 'clist'],
+ 'ca',
+ [
+ '#markup' => 'cb',
+ '#wrapper_attributes' => ['class' => ['item-class-cb']],
+ 'children' => [
+ 'cba',
+ 'cbb',
+ ],
+ ],
+ 'cc',
+ ],
+ ],
+ // Use #markup to be able to specify #wrapper_attributes.
+ [
+ '#markup' => 'd',
+ '#wrapper_attributes' => ['id' => 'item-id-d'],
+ ],
+ // An empty item with attributes.
+ [
+ '#wrapper_attributes' => ['id' => 'item-id-e'],
+ ],
+ // Lastly, another plain string item.
+ 'f',
+ ];
+
+ $inner_b = '<div class="item-list"><ol id="blist">';
+ $inner_b .= '<li>ba</li>';
+ $inner_b .= '<li class="item-class-bb">bb</li>';
+ $inner_b .= '</ol></div>';
+
+ $inner_cb = '<div class="item-list"><ul>';
+ $inner_cb .= '<li>cba</li>';
+ $inner_cb .= '<li>cbb</li>';
+ $inner_cb .= '</ul></div>';
+
+ $inner_c = '<div class="item-list"><ul id="clist">';
+ $inner_c .= '<li>ca</li>';
+ $inner_c .= '<li class="item-class-cb">cb' . $inner_cb . '</li>';
+ $inner_c .= '<li>cc</li>';
+ $inner_c .= '</ul></div>';
+
+ $expected = '<div class="item-list">';
+ $expected .= '<h3>Some title</h3>';
+ $expected .= '<ul id="parentlist">';
+ $expected .= '<li>a</li>';
+ $expected .= '<li id="item-id-b">b' . $inner_b . '</li>';
+ $expected .= '<li>c' . $inner_c . '</li>';
+ $expected .= '<li id="item-id-d">d</li>';
+ $expected .= '<li id="item-id-e"></li>';
+ $expected .= '<li>f</li>';
+ $expected .= '</ul></div>';
+
+ $this->assertThemeOutput('item_list', $variables, $expected);
+ }
+
+ /**
+ * Tests links.html.twig.
+ */
+ public function testLinks() {
+ // Turn off the query for the
+ // \Drupal\Core\Utility\LinkGeneratorInterface::generate() method to compare
+ // the active link correctly.
+ $original_query = \Drupal::request()->query->all();
+ \Drupal::request()->query->replace([]);
+ // Verify that empty variables produce no output.
+ $variables = [];
+ $expected = '';
+ $this->assertThemeOutput('links', $variables, $expected, 'Empty %callback generates no output.');
+
+ $variables = [];
+ $variables['heading'] = 'Some title';
+ $expected = '';
+ $this->assertThemeOutput('links', $variables, $expected, 'Empty %callback with heading generates no output.');
+
+ // Verify that a list of links is properly rendered.
+ $variables = [];
+ $variables['attributes'] = ['id' => 'somelinks'];
+ $variables['links'] = [
+ 'a link' => [
+ 'title' => 'A <link>',
+ 'url' => Url::fromUri('base:a/link'),
+ ],
+ 'plain text' => [
+ 'title' => 'Plain "text"',
+ ],
+ 'html text' => [
+ 'title' => new FormattableMarkup('<span class="unescaped">@text</span>', ['@text' => 'potentially unsafe text that <should> be escaped']),
+ ],
+ 'front page' => [
+ 'title' => 'Front page',
+ 'url' => Url::fromRoute('<front>'),
+ ],
+ 'router-test' => [
+ 'title' => 'Test route',
+ 'url' => Url::fromRoute('router_test.1'),
+ ],
+ 'query-test' => [
+ 'title' => 'Query test route',
+ 'url' => Url::fromRoute('router_test.1'),
+ 'query' => [
+ 'key' => 'value',
+ ],
+ ],
+ ];
+
+ $expected_links = '';
+ $expected_links .= '<ul id="somelinks">';
+ $expected_links .= '<li class="a-link"><a href="' . Url::fromUri('base:a/link')->toString() . '">' . Html::escape('A <link>') . '</a></li>';
+ $expected_links .= '<li class="plain-text">' . Html::escape('Plain "text"') . '</li>';
+ $expected_links .= '<li class="html-text"><span class="unescaped">' . Html::escape('potentially unsafe text that <should> be escaped') . '</span></li>';
+ $expected_links .= '<li class="front-page"><a href="' . Url::fromRoute('<front>')->toString() . '">' . Html::escape('Front page') . '</a></li>';
+ $expected_links .= '<li class="router-test"><a href="' . \Drupal::urlGenerator()->generate('router_test.1') . '">' . Html::escape('Test route') . '</a></li>';
+ $query = ['key' => 'value'];
+ $expected_links .= '<li class="query-test"><a href="' . \Drupal::urlGenerator()->generate('router_test.1', $query) . '">' . Html::escape('Query test route') . '</a></li>';
+ $expected_links .= '</ul>';
+
+ // Verify that passing a string as heading works.
+ $variables['heading'] = 'Links heading';
+ $expected_heading = '<h2>Links heading</h2>';
+ $expected = $expected_heading . $expected_links;
+ $this->assertThemeOutput('links', $variables, $expected);
+
+ // Restore the original request's query.
+ \Drupal::request()->query->replace($original_query);
+
+ // Verify that passing an array as heading works (core support).
+ $variables['heading'] = [
+ 'text' => 'Links heading',
+ 'level' => 'h3',
+ 'attributes' => ['class' => ['heading']],
+ ];
+ $expected_heading = '<h3 class="heading">Links heading</h3>';
+ $expected = $expected_heading . $expected_links;
+ $this->assertThemeOutput('links', $variables, $expected);
+
+ // Verify that passing attributes for the heading works.
+ $variables['heading'] = ['text' => 'Links heading', 'level' => 'h3', 'attributes' => ['id' => 'heading']];
+ $expected_heading = '<h3 id="heading">Links heading</h3>';
+ $expected = $expected_heading . $expected_links;
+ $this->assertThemeOutput('links', $variables, $expected);
+
+ // Verify that passing attributes for the links work.
+ $variables['links']['plain text']['attributes'] = [
+ 'class' => ['a/class'],
+ ];
+ $expected_links = '';
+ $expected_links .= '<ul id="somelinks">';
+ $expected_links .= '<li class="a-link"><a href="' . Url::fromUri('base:a/link')->toString() . '">' . Html::escape('A <link>') . '</a></li>';
+ $expected_links .= '<li class="plain-text"><span class="a/class">' . Html::escape('Plain "text"') . '</span></li>';
+ $expected_links .= '<li class="html-text"><span class="unescaped">' . Html::escape('potentially unsafe text that <should> be escaped') . '</span></li>';
+ $expected_links .= '<li class="front-page"><a href="' . Url::fromRoute('<front>')->toString() . '">' . Html::escape('Front page') . '</a></li>';
+ $expected_links .= '<li class="router-test"><a href="' . \Drupal::urlGenerator()->generate('router_test.1') . '">' . Html::escape('Test route') . '</a></li>';
+ $query = ['key' => 'value'];
+ $expected_links .= '<li class="query-test"><a href="' . \Drupal::urlGenerator()->generate('router_test.1', $query) . '">' . Html::escape('Query test route') . '</a></li>';
+ $expected_links .= '</ul>';
+ $expected = $expected_heading . $expected_links;
+ $this->assertThemeOutput('links', $variables, $expected);
+
+ // Verify the data- attributes for setting the "active" class on links.
+ \Drupal::currentUser()->setAccount(new UserSession(['uid' => 1]));
+ $variables['set_active_class'] = TRUE;
+ $expected_links = '';
+ $expected_links .= '<ul id="somelinks">';
+ $expected_links .= '<li class="a-link"><a href="' . Url::fromUri('base:a/link')->toString() . '">' . Html::escape('A <link>') . '</a></li>';
+ $expected_links .= '<li class="plain-text"><span class="a/class">' . Html::escape('Plain "text"') . '</span></li>';
+ $expected_links .= '<li class="html-text"><span class="unescaped">' . Html::escape('potentially unsafe text that <should> be escaped') . '</span></li>';
+ $expected_links .= '<li data-drupal-link-system-path="<front>" class="front-page"><a href="' . Url::fromRoute('<front>')->toString() . '" data-drupal-link-system-path="<front>">' . Html::escape('Front page') . '</a></li>';
+ $expected_links .= '<li data-drupal-link-system-path="router_test/test1" class="router-test"><a href="' . \Drupal::urlGenerator()->generate('router_test.1') . '" data-drupal-link-system-path="router_test/test1">' . Html::escape('Test route') . '</a></li>';
+ $query = ['key' => 'value'];
+ $encoded_query = Html::escape(Json::encode($query));
+ $expected_links .= '<li data-drupal-link-query="' . $encoded_query . '" data-drupal-link-system-path="router_test/test1" class="query-test"><a href="' . \Drupal::urlGenerator()->generate('router_test.1', $query) . '" data-drupal-link-query="' . $encoded_query . '" data-drupal-link-system-path="router_test/test1">' . Html::escape('Query test route') . '</a></li>';
+ $expected_links .= '</ul>';
+ $expected = $expected_heading . $expected_links;
+ $this->assertThemeOutput('links', $variables, $expected);
+ }
+
+ /**
+ * Tests links.html.twig using links with indexed keys.
+ */
+ public function testIndexedKeyedLinks() {
+ // Turn off the query for the
+ // \Drupal\Core\Utility\LinkGeneratorInterface::generate() method to compare
+ // the active link correctly.
+ $original_query = \Drupal::request()->query->all();
+ \Drupal::request()->query->replace([]);
+ // Verify that empty variables produce no output.
+ $variables = [];
+ $expected = '';
+ $this->assertThemeOutput('links', $variables, $expected, 'Empty %callback generates no output.');
+
+ $variables = [];
+ $variables['heading'] = 'Some title';
+ $expected = '';
+ $this->assertThemeOutput('links', $variables, $expected, 'Empty %callback with heading generates no output.');
+
+ // Verify that a list of links is properly rendered.
+ $variables = [];
+ $variables['attributes'] = ['id' => 'somelinks'];
+ $variables['links'] = [
+ [
+ 'title' => 'A <link>',
+ 'url' => Url::fromUri('base:a/link'),
+ ],
+ [
+ 'title' => 'Plain "text"',
+ ],
+ [
+ 'title' => new FormattableMarkup('<span class="unescaped">@text</span>', ['@text' => 'potentially unsafe text that <should> be escaped']),
+ ],
+ [
+ 'title' => 'Front page',
+ 'url' => Url::fromRoute('<front>'),
+ ],
+ [
+ 'title' => 'Test route',
+ 'url' => Url::fromRoute('router_test.1'),
+ ],
+ [
+ 'title' => 'Query test route',
+ 'url' => Url::fromRoute('router_test.1'),
+ 'query' => [
+ 'key' => 'value',
+ ],
+ ],
+ ];
+
+ $expected_links = '';
+ $expected_links .= '<ul id="somelinks">';
+ $expected_links .= '<li><a href="' . Url::fromUri('base:a/link')->toString() . '">' . Html::escape('A <link>') . '</a></li>';
+ $expected_links .= '<li>' . Html::escape('Plain "text"') . '</li>';
+ $expected_links .= '<li><span class="unescaped">' . Html::escape('potentially unsafe text that <should> be escaped') . '</span></li>';
+ $expected_links .= '<li><a href="' . Url::fromRoute('<front>')->toString() . '">' . Html::escape('Front page') . '</a></li>';
+ $expected_links .= '<li><a href="' . \Drupal::urlGenerator()->generate('router_test.1') . '">' . Html::escape('Test route') . '</a></li>';
+ $query = ['key' => 'value'];
+ $expected_links .= '<li><a href="' . \Drupal::urlGenerator()->generate('router_test.1', $query) . '">' . Html::escape('Query test route') . '</a></li>';
+ $expected_links .= '</ul>';
+
+ // Verify that passing a string as heading works.
+ $variables['heading'] = 'Links heading';
+ $expected_heading = '<h2>Links heading</h2>';
+ $expected = $expected_heading . $expected_links;
+ $this->assertThemeOutput('links', $variables, $expected);
+
+ // Restore the original request's query.
+ \Drupal::request()->query->replace($original_query);
+
+ // Verify that passing an array as heading works (core support).
+ $variables['heading'] = [
+ 'text' => 'Links heading',
+ 'level' => 'h3',
+ 'attributes' => ['class' => ['heading']],
+ ];
+ $expected_heading = '<h3 class="heading">Links heading</h3>';
+ $expected = $expected_heading . $expected_links;
+ $this->assertThemeOutput('links', $variables, $expected);
+
+ // Verify that passing attributes for the heading works.
+ $variables['heading'] = ['text' => 'Links heading', 'level' => 'h3', 'attributes' => ['id' => 'heading']];
+ $expected_heading = '<h3 id="heading">Links heading</h3>';
+ $expected = $expected_heading . $expected_links;
+ $this->assertThemeOutput('links', $variables, $expected);
+
+ // Verify that passing attributes for the links work.
+ $variables['links'][1]['attributes'] = [
+ 'class' => ['a/class'],
+ ];
+ $expected_links = '';
+ $expected_links .= '<ul id="somelinks">';
+ $expected_links .= '<li><a href="' . Url::fromUri('base:a/link')->toString() . '">' . Html::escape('A <link>') . '</a></li>';
+ $expected_links .= '<li><span class="a/class">' . Html::escape('Plain "text"') . '</span></li>';
+ $expected_links .= '<li><span class="unescaped">' . Html::escape('potentially unsafe text that <should> be escaped') . '</span></li>';
+ $expected_links .= '<li><a href="' . Url::fromRoute('<front>')->toString() . '">' . Html::escape('Front page') . '</a></li>';
+ $expected_links .= '<li><a href="' . \Drupal::urlGenerator()->generate('router_test.1') . '">' . Html::escape('Test route') . '</a></li>';
+ $query = ['key' => 'value'];
+ $expected_links .= '<li><a href="' . \Drupal::urlGenerator()->generate('router_test.1', $query) . '">' . Html::escape('Query test route') . '</a></li>';
+ $expected_links .= '</ul>';
+ $expected = $expected_heading . $expected_links;
+ $this->assertThemeOutput('links', $variables, $expected);
+
+ // Verify the data- attributes for setting the "active" class on links.
+ \Drupal::currentUser()->setAccount(new UserSession(['uid' => 1]));
+ $variables['set_active_class'] = TRUE;
+ $expected_links = '';
+ $expected_links .= '<ul id="somelinks">';
+ $expected_links .= '<li><a href="' . Url::fromUri('base:a/link')->toString() . '">' . Html::escape('A <link>') . '</a></li>';
+ $expected_links .= '<li><span class="a/class">' . Html::escape('Plain "text"') . '</span></li>';
+ $expected_links .= '<li><span class="unescaped">' . Html::escape('potentially unsafe text that <should> be escaped') . '</span></li>';
+ $expected_links .= '<li data-drupal-link-system-path="<front>"><a href="' . Url::fromRoute('<front>')->toString() . '" data-drupal-link-system-path="<front>">' . Html::escape('Front page') . '</a></li>';
+ $expected_links .= '<li data-drupal-link-system-path="router_test/test1"><a href="' . \Drupal::urlGenerator()->generate('router_test.1') . '" data-drupal-link-system-path="router_test/test1">' . Html::escape('Test route') . '</a></li>';
+ $query = ['key' => 'value'];
+ $encoded_query = Html::escape(Json::encode($query));
+ $expected_links .= '<li data-drupal-link-query="' . $encoded_query . '" data-drupal-link-system-path="router_test/test1"><a href="' . \Drupal::urlGenerator()->generate('router_test.1', $query) . '" data-drupal-link-query="' . $encoded_query . '" data-drupal-link-system-path="router_test/test1">' . Html::escape('Query test route') . '</a></li>';
+ $expected_links .= '</ul>';
+ $expected = $expected_heading . $expected_links;
+ $this->assertThemeOutput('links', $variables, $expected);
+ }
+
+ /**
+ * Test the use of drupal_pre_render_links() on a nested array of links.
+ */
+ public function testDrupalPreRenderLinks() {
+ // Define the base array to be rendered, containing a variety of different
+ // kinds of links.
+ $base_array = [
+ '#theme' => 'links',
+ '#pre_render' => ['drupal_pre_render_links'],
+ '#links' => [
+ 'parent_link' => [
+ 'title' => 'Parent link original',
+ 'url' => Url::fromRoute('router_test.1'),
+ ],
+ ],
+ 'first_child' => [
+ '#theme' => 'links',
+ '#links' => [
+ // This should be rendered if 'first_child' is rendered separately,
+ // but ignored if the parent is being rendered (since it duplicates
+ // one of the parent's links).
+ 'parent_link' => [
+ 'title' => 'Parent link copy',
+ 'url' => Url::fromRoute('router_test.6'),
+ ],
+ // This should always be rendered.
+ 'first_child_link' => [
+ 'title' => 'First child link',
+ 'url' => Url::fromRoute('router_test.7'),
+ ],
+ ],
+ ],
+ // This should always be rendered as part of the parent.
+ 'second_child' => [
+ '#theme' => 'links',
+ '#links' => [
+ 'second_child_link' => [
+ 'title' => 'Second child link',
+ 'url' => Url::fromRoute('router_test.8'),
+ ],
+ ],
+ ],
+ // This should never be rendered, since the user does not have access to
+ // it.
+ 'third_child' => [
+ '#theme' => 'links',
+ '#links' => [
+ 'third_child_link' => [
+ 'title' => 'Third child link',
+ 'url' => Url::fromRoute('router_test.9'),
+ ],
+ ],
+ '#access' => FALSE,
+ ],
+ ];
+
+ // Start with a fresh copy of the base array, and try rendering the entire
+ // thing. We expect a single <ul> with appropriate links contained within
+ // it.
+ $render_array = $base_array;
+ $html = \Drupal::service('renderer')->renderRoot($render_array);
+ $dom = new \DOMDocument();
+ $dom->loadHTML($html);
+ $this->assertEqual($dom->getElementsByTagName('ul')->length, 1, 'One "ul" tag found in the rendered HTML.');
+ $list_elements = $dom->getElementsByTagName('li');
+ $this->assertEqual($list_elements->length, 3, 'Three "li" tags found in the rendered HTML.');
+ $this->assertEqual($list_elements->item(0)->nodeValue, 'Parent link original', 'First expected link found.');
+ $this->assertEqual($list_elements->item(1)->nodeValue, 'First child link', 'Second expected link found.');
+ $this->assertEqual($list_elements->item(2)->nodeValue, 'Second child link', 'Third expected link found.');
+ $this->assertIdentical(strpos($html, 'Parent link copy'), FALSE, '"Parent link copy" link not found.');
+ $this->assertIdentical(strpos($html, 'Third child link'), FALSE, '"Third child link" link not found.');
+
+ // Now render 'first_child', followed by the rest of the links, and make
+ // sure we get two separate <ul>'s with the appropriate links contained
+ // within each.
+ $render_array = $base_array;
+ $child_html = \Drupal::service('renderer')->renderRoot($render_array['first_child']);
+ $parent_html = \Drupal::service('renderer')->renderRoot($render_array);
+ // First check the child HTML.
+ $dom = new \DOMDocument();
+ $dom->loadHTML($child_html);
+ $this->assertEqual($dom->getElementsByTagName('ul')->length, 1, 'One "ul" tag found in the rendered child HTML.');
+ $list_elements = $dom->getElementsByTagName('li');
+ $this->assertEqual($list_elements->length, 2, 'Two "li" tags found in the rendered child HTML.');
+ $this->assertEqual($list_elements->item(0)->nodeValue, 'Parent link copy', 'First expected link found.');
+ $this->assertEqual($list_elements->item(1)->nodeValue, 'First child link', 'Second expected link found.');
+ // Then check the parent HTML.
+ $dom = new \DOMDocument();
+ $dom->loadHTML($parent_html);
+ $this->assertEqual($dom->getElementsByTagName('ul')->length, 1, 'One "ul" tag found in the rendered parent HTML.');
+ $list_elements = $dom->getElementsByTagName('li');
+ $this->assertEqual($list_elements->length, 2, 'Two "li" tags found in the rendered parent HTML.');
+ $this->assertEqual($list_elements->item(0)->nodeValue, 'Parent link original', 'First expected link found.');
+ $this->assertEqual($list_elements->item(1)->nodeValue, 'Second child link', 'Second expected link found.');
+ $this->assertIdentical(strpos($parent_html, 'First child link'), FALSE, '"First child link" link not found.');
+ $this->assertIdentical(strpos($parent_html, 'Third child link'), FALSE, '"Third child link" link not found.');
+ }
+
+ /**
+ * Tests theme_image().
+ */
+ public function testImage() {
+ // Test that data URIs work with theme_image().
+ $variables = [];
+ $variables['uri'] = 'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAUAAAAFCAYAAACNbyblAAAAHElEQVQI12P4//8/w38GIAXDIBKE0DHxgljNBAAO9TXL0Y4OHwAAAABJRU5ErkJggg==';
+ $variables['alt'] = 'Data URI image of a red dot';
+ $expected = '<img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAUAAAAFCAYAAACNbyblAAAAHElEQVQI12P4//8/w38GIAXDIBKE0DHxgljNBAAO9TXL0Y4OHwAAAABJRU5ErkJggg==" alt="Data URI image of a red dot" />' . "\n";
+ $this->assertThemeOutput('image', $variables, $expected);
+ }
+
+}