allow null values for root nodes in YAML configs
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34b6bdc8d0
commit
52dd825bf1
@ -271,12 +271,16 @@ class ContainerBuilder extends Container implements TaggedContainerInterface
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* @throws BadMethodCallException When this ContainerBuilder is frozen
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* @throws \LogicException if the container is frozen
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*/
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public function loadFromExtension($extension, array $values = array())
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public function loadFromExtension($extension, array $values = null)
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{
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if ($this->isFrozen()) {
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throw new BadMethodCallException('Cannot load from an extension on a frozen container.');
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}
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if (func_num_args() < 2) {
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$values = array();
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}
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$namespace = $this->getExtension($extension)->getAlias();
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$this->extensionConfigs[$namespace][] = $values;
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@ -425,7 +425,7 @@ class YamlFileLoader extends FileLoader
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continue;
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}
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if (!is_array($values)) {
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if (!is_array($values) && null !== $values) {
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$values = array();
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}
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@ -8,7 +8,14 @@ class ProjectExtension implements ExtensionInterface
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{
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public function load(array $configs, ContainerBuilder $configuration)
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{
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$config = call_user_func_array('array_merge', $configs);
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$configuration->setParameter('project.configs', $configs);
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$configs = array_filter($configs);
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if ($configs) {
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$config = call_user_func_array('array_merge', $configs);
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} else {
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$config = array();
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}
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$configuration->setDefinition('project.service.bar', new Definition('FooClass'));
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$configuration->setParameter('project.parameter.bar', isset($config['foo']) ? $config['foo'] : 'foobar');
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@ -0,0 +1 @@
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project: ~
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@ -207,6 +207,17 @@ class YamlFileLoaderTest extends TestCase
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}
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}
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public function testExtensionWithNullConfig()
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{
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$container = new ContainerBuilder();
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$container->registerExtension(new \ProjectExtension());
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$loader = new YamlFileLoader($container, new FileLocator(self::$fixturesPath.'/yaml'));
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$loader->load('null_config.yml');
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$container->compile();
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$this->assertSame(array(null), $container->getParameter('project.configs'));
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}
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public function testSupports()
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{
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$loader = new YamlFileLoader(new ContainerBuilder(), new FileLocator());
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