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 = '
No items found.
';
$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 = '
Some title
No items found.
';
$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 = '
0
No items found.
';
$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' => 'Render array',
];
$variables['empty'] = 'No items found.';
$expected = '
Render array
No items found.
';
$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 = '
Some title
Un
Deux
Trois
';
$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 = '
';
$inner_b .= '
ba
';
$inner_b .= '
bb
';
$inner_b .= '
';
$inner_cb = '
';
$inner_cb .= '
cba
';
$inner_cb .= '
cbb
';
$inner_cb .= '
';
$inner_c = '
';
$inner_c .= '
ca
';
$inner_c .= '
cb' . $inner_cb . '
';
$inner_c .= '
cc
';
$inner_c .= '
';
$expected = '
';
$expected .= '
Some title
';
$expected .= '
';
$expected .= '
a
';
$expected .= '
b' . $inner_b . '
';
$expected .= '
c' . $inner_c . '
';
$expected .= '
d
';
$expected .= '';
$expected .= '
f
';
$expected .= '
';
$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 ',
'url' => Url::fromUri('base:a/link'),
],
'plain text' => [
'title' => 'Plain "text"',
],
'html text' => [
'title' => SafeMarkup::format('@text', ['@text' => 'potentially unsafe text that be escaped']),
],
'front page' => [
'title' => 'Front page',
'url' => Url::fromRoute(''),
],
'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 .= '
';
$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
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
'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 = '' . "\n";
$this->assertThemeOutput('image', $variables, $expected);
}
}
' . "\n";
$this->assertThemeOutput('image', $variables, $expected);
}
}