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drupalcampbristol/core/tests/Drupal/Tests/UnitTestCase.php

262 lines
8.5 KiB
PHP

<?php
/**
* @file
* Contains \Drupal\Tests\UnitTestCase.
*/
namespace Drupal\Tests;
use Drupal\Component\FileCache\FileCacheFactory;
use Drupal\Component\Utility\Random;
use Drupal\Component\Utility\SafeMarkup;
use Drupal\Core\Cache\CacheTagsInvalidatorInterface;
use Drupal\Core\DependencyInjection\ContainerBuilder;
/**
* Provides a base class and helpers for Drupal unit tests.
*
* @ingroup testing
*/
abstract class UnitTestCase extends \PHPUnit_Framework_TestCase {
/**
* The random generator.
*
* @var \Drupal\Component\Utility\Random
*/
protected $randomGenerator;
/**
* The app root.
*
* @var string
*/
protected $root;
/**
* {@inheritdoc}
*/
protected function setUp() {
parent::setUp();
// Ensure that an instantiated container in the global state of \Drupal from
// a previous test does not leak into this test.
\Drupal::unsetContainer();
// Ensure that the NullFileCache implementation is used for the FileCache as
// unit tests should not be relying on caches implicitly.
FileCacheFactory::setConfiguration(['default' => ['class' => '\Drupal\Component\FileCache\NullFileCache']]);
$this->root = dirname(dirname(substr(__DIR__, 0, -strlen(__NAMESPACE__))));
}
/**
* Generates a unique random string containing letters and numbers.
*
* @param int $length
* Length of random string to generate.
*
* @return string
* Randomly generated unique string.
*
* @see \Drupal\Component\Utility\Random::name()
*/
public function randomMachineName($length = 8) {
return $this->getRandomGenerator()->name($length, TRUE);
}
/**
* Gets the random generator for the utility methods.
*
* @return \Drupal\Component\Utility\Random
* The random generator
*/
protected function getRandomGenerator() {
if (!is_object($this->randomGenerator)) {
$this->randomGenerator = new Random();
}
return $this->randomGenerator;
}
/**
* Asserts if two arrays are equal by sorting them first.
*
* @param array $expected
* @param array $actual
* @param string $message
*/
protected function assertArrayEquals(array $expected, array $actual, $message = NULL) {
ksort($expected);
ksort($actual);
$this->assertEquals($expected, $actual, $message);
}
/**
* Returns a stub config factory that behaves according to the passed in array.
*
* Use this to generate a config factory that will return the desired values
* for the given config names.
*
* @param array $configs
* An associative array of configuration settings whose keys are configuration
* object names and whose values are key => value arrays for the configuration
* object in question. Defaults to an empty array.
*
* @return \PHPUnit_Framework_MockObject_MockBuilder
* A MockBuilder object for the ConfigFactory with the desired return values.
*/
public function getConfigFactoryStub(array $configs = array()) {
$config_get_map = array();
$config_editable_map = array();
// Construct the desired configuration object stubs, each with its own
// desired return map.
foreach ($configs as $config_name => $config_values) {
$map = array();
foreach ($config_values as $key => $value) {
$map[] = array($key, $value);
}
// Also allow to pass in no argument.
$map[] = array('', $config_values);
$immutable_config_object = $this->getMockBuilder('Drupal\Core\Config\ImmutableConfig')
->disableOriginalConstructor()
->getMock();
$immutable_config_object->expects($this->any())
->method('get')
->will($this->returnValueMap($map));
$config_get_map[] = array($config_name, $immutable_config_object);
$mutable_config_object = $this->getMockBuilder('Drupal\Core\Config\Config')
->disableOriginalConstructor()
->getMock();
$mutable_config_object->expects($this->any())
->method('get')
->will($this->returnValueMap($map));
$config_editable_map[] = array($config_name, $mutable_config_object);
}
// Construct a config factory with the array of configuration object stubs
// as its return map.
$config_factory = $this->getMock('Drupal\Core\Config\ConfigFactoryInterface');
$config_factory->expects($this->any())
->method('get')
->will($this->returnValueMap($config_get_map));
$config_factory->expects($this->any())
->method('getEditable')
->will($this->returnValueMap($config_editable_map));
return $config_factory;
}
/**
* Returns a stub config storage that returns the supplied configuration.
*
* @param array $configs
* An associative array of configuration settings whose keys are
* configuration object names and whose values are key => value arrays
* for the configuration object in question.
*
* @return \Drupal\Core\Config\StorageInterface
* A mocked config storage.
*/
public function getConfigStorageStub(array $configs) {
$config_storage = $this->getMock('Drupal\Core\Config\NullStorage');
$config_storage->expects($this->any())
->method('listAll')
->will($this->returnValue(array_keys($configs)));
foreach ($configs as $name => $config) {
$config_storage->expects($this->any())
->method('read')
->with($this->equalTo($name))
->will($this->returnValue($config));
}
return $config_storage;
}
/**
* Mocks a block with a block plugin.
*
* @param string $machine_name
* The machine name of the block plugin.
*
* @return \Drupal\block\BlockInterface|\PHPUnit_Framework_MockObject_MockObject
* The mocked block.
*/
protected function getBlockMockWithMachineName($machine_name) {
$plugin = $this->getMockBuilder('Drupal\Core\Block\BlockBase')
->disableOriginalConstructor()
->getMock();
$plugin->expects($this->any())
->method('getMachineNameSuggestion')
->will($this->returnValue($machine_name));
$block = $this->getMockBuilder('Drupal\block\Entity\Block')
->disableOriginalConstructor()
->getMock();
$block->expects($this->any())
->method('getPlugin')
->will($this->returnValue($plugin));
return $block;
}
/**
* Returns a stub translation manager that just returns the passed string.
*
* @return \PHPUnit_Framework_MockObject_MockBuilder
* A MockBuilder of \Drupal\Core\StringTranslation\TranslationInterface
*/
public function getStringTranslationStub() {
$translation = $this->getMock('Drupal\Core\StringTranslation\TranslationInterface');
$translation->expects($this->any())
->method('translate')
->will($this->returnCallback('Drupal\Component\Utility\SafeMarkup::format'));
$translation->expects($this->any())
->method('formatPlural')
->willReturnCallback(function ($count, $singular, $plural, array $args = [], array $options = []) {
return $count === 1 ? SafeMarkup::format($singular, $args) : SafeMarkup::format($plural, $args + ['@count' => $count]);
});
return $translation;
}
/**
* Sets up a container with a cache tags invalidator.
*
* @param \Drupal\Core\Cache\CacheTagsInvalidatorInterface $cache_tags_validator
* The cache tags invalidator.
*
* @return \Symfony\Component\DependencyInjection\ContainerInterface|\PHPUnit_Framework_MockObject_MockObject
* The container with the cache tags invalidator service.
*/
protected function getContainerWithCacheTagsInvalidator(CacheTagsInvalidatorInterface $cache_tags_validator) {
$container = $this->getMock('Symfony\Component\DependencyInjection\ContainerInterface');
$container->expects($this->any())
->method('get')
->with('cache_tags.invalidator')
->will($this->returnValue($cache_tags_validator));
\Drupal::setContainer($container);
return $container;
}
/**
* Returns a stub class resolver.
*
* @return \Drupal\Core\DependencyInjection\ClassResolverInterface|\PHPUnit_Framework_MockObject_MockObject
* The class resolver stub.
*/
protected function getClassResolverStub() {
$class_resolver = $this->getMock('Drupal\Core\DependencyInjection\ClassResolverInterface');
$class_resolver->expects($this->any())
->method('getInstanceFromDefinition')
->will($this->returnCallback(function ($class) {
if (is_subclass_of($class, 'Drupal\Core\DependencyInjection\ContainerInjectionInterface')) {
return $class::create(new ContainerBuilder());
}
else {
return new $class();
}
}));
return $class_resolver;
}
}