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<?php
namespace Drupal\Tests\Core\Render;
use Drupal\Core\Access\AccessResult;
use Drupal\Tests\UnitTestCase;
use Drupal\Core\Render\Element;
/**
* @coversDefaultClass \Drupal\Core\Render\Element
* @group Render
*/
class ElementTest extends UnitTestCase {
/**
* Tests the property() method.
*/
public function testProperty() {
$this->assertTrue(Element::property('#property'));
$this->assertFalse(Element::property('property'));
$this->assertFalse(Element::property('property#'));
}
/**
* Tests the properties() method.
*/
public function testProperties() {
$element = [
'#property1' => 'property1',
'#property2' => 'property2',
'property3' => 'property3'
];
$properties = Element::properties($element);
$this->assertContains('#property1', $properties);
$this->assertContains('#property2', $properties);
$this->assertNotContains('property3', $properties);
}
/**
* Tests the child() method.
*/
public function testChild() {
$this->assertFalse(Element::child('#property'));
$this->assertTrue(Element::child('property'));
$this->assertTrue(Element::child('property#'));
}
/**
* Tests the children() method.
*/
public function testChildren() {
$element = [
'child2' => ['#weight' => 10],
'child1' => ['#weight' => 0],
'child3' => ['#weight' => 20],
'#property' => 'property',
];
$expected = ['child2', 'child1', 'child3'];
$element_copy = $element;
$this->assertSame($expected, Element::children($element_copy));
// If #sorted is already set, no sorting should happen.
$element_copy = $element;
$element_copy['#sorted'] = TRUE;
$expected = ['child2', 'child1', 'child3'];
$this->assertSame($expected, Element::children($element_copy, TRUE));
// Test with weight sorting, #sorted property should be added.
$expected = ['child1', 'child2', 'child3'];
$element_copy = $element;
$this->assertSame($expected, Element::children($element_copy, TRUE));
$this->assertArrayHasKey('#sorted', $element_copy);
$this->assertTrue($element_copy['#sorted']);
// The order should stay the same if no weights present.
$element_no_weight = [
'child2' => [],
'child1' => [],
'child3' => [],
'#property' => 'property',
];
$expected = ['child2', 'child1', 'child3'];
$this->assertSame($expected, Element::children($element_no_weight, TRUE));
// The order of children with same weight should be preserved.
$element_mixed_weight = [
'child5' => ['#weight' => 10],
'child3' => ['#weight' => -10],
'child1' => [],
'child4' => ['#weight' => 10],
'child2' => [],
];
$expected = ['child3', 'child1', 'child2', 'child5', 'child4'];
$this->assertSame($expected, Element::children($element_mixed_weight, TRUE));
}
/**
* Tests the children() method with an invalid key.
*/
public function testInvalidChildren() {
$element = [
'foo' => 'bar',
];
$this->setExpectedException(\PHPUnit_Framework_Error::class, '"foo" is an invalid render array key');
Element::children($element);
}
/**
* Tests the children() method with an ignored key/value pair.
*/
public function testIgnoredChildren() {
$element = [
'foo' => NULL,
];
$this->assertSame([], Element::children($element));
}
/**
* Tests the visibleChildren() method.
*
* @param array $element
* The test element array.
* @param array $expected_keys
* The expected keys to be returned from Element::getVisibleChildren().
*
* @dataProvider providerVisibleChildren
*/
public function testVisibleChildren(array $element, array $expected_keys) {
$this->assertSame($expected_keys, Element::getVisibleChildren($element));
}
/**
* Data provider for testVisibleChildren.
*
* @return array
*/
public function providerVisibleChildren() {
return [
[['#property1' => '', '#property2' => []], []],
[['#property1' => '', 'child1' => []], ['child1']],
[['#property1' => '', 'child1' => [], 'child2' => ['#access' => TRUE]], ['child1', 'child2']],
[['#property1' => '', 'child1' => [], 'child2' => ['#access' => FALSE]], ['child1']],
'access_result_object_allowed' => [['#property1' => '', 'child1' => [], 'child2' => ['#access' => AccessResult::allowed()]], ['child1', 'child2']],
'access_result_object_forbidden' => [['#property1' => '', 'child1' => [], 'child2' => ['#access' => AccessResult::forbidden()]], ['child1']],
[['#property1' => '', 'child1' => [], 'child2' => ['#type' => 'textfield']], ['child1', 'child2']],
[['#property1' => '', 'child1' => [], 'child2' => ['#type' => 'value']], ['child1']],
[['#property1' => '', 'child1' => [], 'child2' => ['#type' => 'hidden']], ['child1']],
];
}
/**
* Tests the setAttributes() method.
*
* @dataProvider providerTestSetAttributes
*/
public function testSetAttributes($element, $map, $expected_element) {
Element::setAttributes($element, $map);
$this->assertSame($expected_element, $element);
}
/**
* Data provider for testSetAttributes().
*/
public function providerTestSetAttributes() {
$base = ['#id' => 'id', '#class' => []];
return [
[$base, [], $base],
[$base, ['id', 'class'], $base + ['#attributes' => ['id' => 'id', 'class' => []]]],
[$base + ['#attributes' => ['id' => 'id-not-overwritten']], ['id', 'class'], $base + ['#attributes' => ['id' => 'id-not-overwritten', 'class' => []]]],
];
}
/**
* @covers ::isEmpty
*
* @dataProvider providerTestIsEmpty
*/
public function testIsEmpty(array $element, $expected) {
$this->assertSame(Element::isEmpty($element), $expected);
}
public function providerTestIsEmpty() {
return [
[[], TRUE],
[['#cache' => []], TRUE],
[['#cache' => ['tags' => ['foo']]], TRUE],
[['#cache' => ['contexts' => ['bar']]], TRUE],
[['#cache' => [], '#markup' => 'llamas are awesome'], FALSE],
[['#markup' => 'llamas are the most awesome ever'], FALSE],
[['#cache' => [], '#any_other_property' => TRUE], FALSE],
[['#any_other_property' => TRUE], FALSE],
];
}
}