function MenuTreeParametersTest::testAddExpanded

Tests addExpandedParents().

@covers ::addExpandedParents

File

core/tests/Drupal/Tests/Core/Menu/MenuTreeParametersTest.php, line 58

Class

MenuTreeParametersTest

Tests the menu link tree parameters value object.

Namespace

Code

public function testAddExpanded() {
  $parameters = new MenuTreeParameters();
  // Verify default value.
  $this->assertEquals([], $parameters->expandedParents);
  // Add actual menu link plugin IDs to be expanded.
  $parameters->addExpandedParents([
    'foo',
    'bar',
    'baz',
  ]);
  $this->assertEquals([
    'foo',
    'bar',
    'baz',
  ], $parameters->expandedParents);
  // Add additional menu link plugin IDs; they should be merged, not replacing
  // the old ones.
  $parameters->addExpandedParents([
    'qux',
    'quux',
  ]);
  $this->assertEquals([
    'foo',
    'bar',
    'baz',
    'qux',
    'quux',
  ], $parameters->expandedParents);
  // Add pre-existing menu link plugin IDs; they should not be added again;
  // this is a set.
  $parameters->addExpandedParents([
    'bar',
    'quux',
  ]);
  $this->assertEquals([
    'foo',
    'bar',
    'baz',
    'qux',
    'quux',
  ], $parameters->expandedParents);
}