--- /dev/null
+<?php
+
+namespace Drupal\Tests\ctools\Unit;
+
+use Drupal\Core\DependencyInjection\ContainerBuilder;
+use Drupal\Core\Entity\EntityRepositoryInterface;
+use Drupal\Core\Plugin\Context\Context;
+use Drupal\Core\Plugin\Context\ContextDefinition;
+use Drupal\Core\TypedData\DataDefinition;
+use Drupal\Core\TypedData\Plugin\DataType\IntegerData;
+use Drupal\Core\TypedData\TypedDataManager;
+use Drupal\ctools\Context\EntityLazyLoadContext;
+use Drupal\ctools\ContextMapper;
+use Drupal\Tests\UnitTestCase;
+
+/**
+ * @coversDefaultClass \Drupal\ctools\ContextMapper
+ *
+ * @group CTools
+ */
+class ContextMapperTest extends UnitTestCase {
+
+ /**
+ * The typed data manager.
+ *
+ * @var \Drupal\Core\TypedData\TypedDataManager|\Prophecy\Prophecy\ProphecyInterface
+ */
+ protected $typedDataManager;
+
+ /**
+ * @var \Drupal\Core\Entity\EntityRepositoryInterface|\Prophecy\Prophecy\ProphecyInterface
+ */
+ protected $entityRepository;
+
+ /**
+ * @var \Drupal\page_manager\ContextMapper
+ */
+ protected $staticContext;
+
+ /**
+ * {@inheritdoc}
+ */
+ protected function setUp() {
+ parent::setUp();
+
+ $this->typedDataManager = $this->prophesize(TypedDataManager::class);
+ $this->entityRepository = $this->prophesize(EntityRepositoryInterface::class);
+ $this->staticContext = new ContextMapper($this->entityRepository->reveal());
+
+ $container = new ContainerBuilder();
+ $container->set('typed_data_manager', $this->typedDataManager->reveal());
+ \Drupal::setContainer($container);
+ }
+
+ /**
+ * @covers ::getContextValues
+ */
+ public function testGetContextValues() {
+ $input = [];
+ $actual = $this->staticContext->getContextValues($input);
+ $this->assertEquals([], $actual);
+ }
+
+ /**
+ * @covers ::getContextValues
+ */
+ public function testGetContextValuesContext() {
+ $data_definition = DataDefinition::createFromDataType('integer');
+ $typed_data = IntegerData::createInstance($data_definition);
+ $this->typedDataManager->createDataDefinition('integer')->willReturn($data_definition);
+ $this->typedDataManager->getDefaultConstraints($data_definition)->willReturn([]);
+ $this->typedDataManager->create($data_definition, 5)->willReturn($typed_data);
+
+ $input = [
+ 'foo' => [
+ 'label' => 'Foo',
+ 'description' => NULL,
+ 'type' => 'integer',
+ 'value' => 5,
+ ],
+ ];
+ $expected = new Context(new ContextDefinition('integer', 'Foo'), 5);
+ $actual = $this->staticContext->getContextValues($input)['foo'];
+ $this->assertEquals($expected, $actual);
+ }
+
+ /**
+ * @covers ::getContextValues
+ */
+ public function testGetContextValuesEntityContext() {
+ $input = [
+ 'foo' => [
+ 'label' => 'Foo',
+ 'description' => NULL,
+ 'type' => 'entity:node',
+ 'value' => 'the_node_uuid',
+ ],
+ ];
+ $expected = new EntityLazyLoadContext(new ContextDefinition('entity:node', 'Foo'), $this->entityRepository->reveal(), 'the_node_uuid');
+ $actual = $this->staticContext->getContextValues($input)['foo'];
+ $this->assertEquals($expected, $actual);
+ }
+
+}