8000 [DI] Add ContainerInterface::IGNORE_ON_UNINITIALIZED_REFERENCE · symfony/symfony@5b34f42 · GitHub
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nicolas-grekasnicolas-grekas
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[DI] Add ContainerInterface::IGNORE_ON_UNINITIALIZED_REFERENCE
1 parent b9fc357 commit 5b34f42
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    • 21 files changed

    +270
    -21
    lines changed

    ‎src/Symfony/Component/DependencyInjection/Compiler/AnalyzeServiceReferencesPass.php

    Lines changed: 2 additions & 1 deletion
    Original file line numberDiff line numberDiff line change
    @@ -12,6 +12,7 @@
    1212
    namespace Symfony\Component\DependencyInjection\Compiler;
    1313

    1414
    use Symfony\Component\DependencyInjection\Argument\ArgumentInterface;
    15+
    use Symfony\Component\DependencyInjection\ContainerInterface;
    1516
    use Symfony\Component\DependencyInjection\Definition;
    1617
    use Symfony\Component\DependencyInjection\ExpressionLanguage;
    1718
    use Symfony\Component\DependencyInjection\Reference;
    @@ -87,7 +88,7 @@ protected function processValue($value, $isRoot = false)
    8788

    8889
    return $value;
    8990
    }
    90-
    if ($value instanceof Reference) {
    91+
    if ($value instanceof Reference && ContainerInterface::IGNORE_ON_UNINITIALIZED_REFERENCE !== $value->getInvalidBehavior()) {
    9192
    $targetDefinition = $this->getDefinition((string) $value);
    9293

    9394
    $this->graph->connect(

    ‎src/Symfony/Component/DependencyInjection/Compiler/CheckExceptionOnInvalidReferenceBehaviorPass.php

    Lines changed: 15 additions & 2 deletions
    Original file line numberDiff line numberDiff line change
    @@ -11,6 +11,7 @@
    1111

    1212
    namespace Symfony\Component\DependencyInjection\Compiler;
    1313

    14+
    use Symfony\Component\DependencyInjection\Exception\InvalidargumentException;
    1415
    use Symfony\Component\DependencyInjection\Exception\ServiceNotFoundException;
    1516
    use Symfony\Component\DependencyInjection\ContainerInterface;
    1617
    use Symfony\Component\DependencyInjection\Reference;
    @@ -24,14 +25,26 @@ class CheckExceptionOnInvalidReferenceBehaviorPass extends AbstractRecursivePass
    2425
    {
    2526
    protected function processValue($value, $isRoot = false)
    2627
    {
    27-
    if ($value instanceof Reference && ContainerInterface::EXCEPTION_ON_INVALID_REFERENCE === $value->getInvalidBehavior()) {
    28+
    if (!$value instanceof Reference) {
    29+
    return parent::processValue($value, $isRoot);
    30+
    }
    31+
    32+
    if (ContainerInterface::EXCEPTION_ON_INVALID_REFERENCE === $value->getInvalidBehavior()) {
    2833
    $destId = (string) $value;
    2934

    3035
    if (!$this->container->has($destId)) {
    3136
    throw new ServiceNotFoundException($destId, $this->currentId);
    3237
    }
    3338
    }
    3439

    35-
    return parent::processValue($value, $isRoot);
    40+
    if (ContainerInterface::IGNORE_ON_UNINITIALIZED_REFERENCE === $value->getInvalidBehavior()) {
    41+
    $destId = (string) $value;
    42+
    43+
    if ($this->container->has($destId) && !$this->container->getDefinition($destId)->isShared()) {
    44+
    throw new InvalidArgumentException(sprintf('Invalid ignore-on-uninitialized reference found in service "%s": target service "%s" is non-shared.', $this->currentId, $destId));
    45+
    }
    46+
    }
    47+
    48+
    return $value;
    3649
    }
    3750
    }

    ‎src/Symfony/Component/DependencyInjection/Compiler/InlineServiceDefinitionsPass.php

    Lines changed: 2 additions & 1 deletion
    Original file line numberDiff line numberDiff line change
    @@ -12,6 +12,7 @@
    1212
    namespace Symfony\Component\DependencyInjection\Compiler;
    1313

    1414
    use Symfony\Component\DependencyInjection\Argument\ArgumentInterface;
    15+
    use Symfony\Component\DependencyInjection\ContainerInterface;
    1516
    use Symfony\Component\DependencyInjection\Definition;
    1617
    use Symfony\Component\DependencyInjection\Reference;
    1718

    @@ -54,7 +55,7 @@ protected function processValue($value, $isRoot = false)
    5455
    // Reference found in ArgumentInterface::getValues() are not inlineable
    5556
    return $value;
    5657
    }
    57-
    if ($value instanceof Reference && $this->container->hasDefinition($id = (string) $value)) {
    58+
    if ($value instanceof Reference && ContainerInterface::IGNORE_ON_UNINITIALIZED_REFERENCE !== $value->getInvalidBehavior() && $this->container->hasDefinition($id = (string) $value)) {
    5859
    $definition = $this->container->getDefinition($id);
    5960

    6061
    if ($this->isInlineableDefinition($id, $definition, $this->container->getCompiler()->getServiceReferenceGraph())) {

    ‎src/Symfony/Component/DependencyInjection/Compiler/RegisterServiceSubscribersPass.php

    Lines changed: 3 additions & 0 deletions
    Original file line numberDiff line numberDiff line change
    @@ -74,6 +74,9 @@ protected function processValue($value, $isRoot = false)
    7474
    if ($optionalBehavior = '?' === $type[0]) {
    7575
    $type = substr($type, 1);
    7676
    $optionalBehavior = ContainerInterface::IGNORE_ON_INVALID_REFERENCE;
    77+
    } elseif ($optionalBehavior = '!' === $type[0]) {
    78+
    $type = substr($type, 1);
    79+
    $optionalBehavior = ContainerInterface::IGNORE_ON_UNINITIALIZED_REFERENCE;
    7780
    }
    7881
    if (is_int($key)) {
    7982
    $key = $type;

    ‎src/Symfony/Component/DependencyInjection/Container.php

    Lines changed: 4 additions & 3 deletions
    Original file line numberDiff line numberDiff line change
    @@ -43,6 +43,7 @@
    4343
    * * NULL_ON_INVALID_REFERENCE: Returns null
    4444
    * * IGNORE_ON_INVALID_REFERENCE: Ignores the wrapping command asking for the reference
    4545
    * (for instance, ignore a setter if the service does not exist)
    46+
    * * IGNORE_ON_UNINITIALIZED_REFERENCE: Ignores/returns null for uninitialized services
    4647
    *
    4748
    * @author Fabien Potencier <fabien@symfony.com>
    4849
    * @author Johannes M. Schmitt <schmittjoh@gmail.com>
    @@ -304,9 +305,9 @@ public function get($id, $invalidBehavior = self::EXCEPTION_ON_INVALID_REFERENCE
    304305

    305306
    try {
    306307
    if (isset($this->fileMap[$id])) {
    307-
    return $this->load($this->fileMap[$id]);
    308+
    return self::IGNORE_ON_UNINITIALIZED_REFERENCE === $invalidBehavior ? null : $this->load($this->fileMap[$id]);
    308309
    } elseif (isset($this->methodMap[$id])) {
    309-
    return $this->{$this->methodMap[$id]}();
    310+
    return self::IGNORE_ON_UNINITIALIZED_REFERENCE === $invalidBehavior ? null : $this->{$this->methodMap[$id]}();
    310311
    } elseif (--$i && $id !== $normalizedId = $this->normalizeId($id)) {
    311312
    $id = $normalizedId;
    312313
    continue;
    @@ -315,7 +316,7 @@ public function get($id, $invalidBehavior = self::EXCEPTION_ON_INVALID_REFERENCE
    315316
    // and only when the dumper has not generated the method map (otherwise the method map is considered to be fully populated by the dumper)
    316317
    @trigger_error('Generating a dumped container without populating the method map is deprecated since 3.2 and will be unsupported in 4.0. Update your dumper to generate the method map.', E_USER_DEPRECATED);
    317318

    318-
    return $this->{$method}();
    319+
    return self::IGNORE_ON_UNINITIALIZED_REFERENCE === $invalidBehavior ? null : $this->{$method}();
    319320
    }
    320321

    321322
    break;

    ‎src/Symfony/Component/DependencyInjection/ContainerBuilder.php

    Lines changed: 45 additions & 3 deletions
    Original file line numberDiff line numberDiff line change
    @@ -565,6 +565,9 @@ public function get($id, $invalidBehavior = ContainerInterface::EXCEPTION_ON_INV
    565565
    {
    566566
    $id = $this->normalizeId($id);
    567567

    568+
    if (ContainerInterface::IGNORE_ON_UNINITIALIZED_REFERENCE === $invalidBehavior) {
    569+
    return parent::get($id, $invalidBehavior);
    570+
    }
    568571
    if ($service = parent::get($id, ContainerInterface::NULL_ON_INVALID_REFERENCE)) {
    569572
    return $service;
    570573
    }
    @@ -1160,6 +1163,11 @@ public function resolveServices($value)
    11601163
    continue 2;
    11611164
    }
    11621165
    }
    1166+
    foreach (self::getInitializedConditionals($v) as $s) {
    1167+
    if (!$this->get($s, ContainerInterface::IGNORE_ON_UNINITIALIZED_REFERENCE)) {
    1168+
    continue 2;
    1169+
    }
    1170+
    }
    11631171

    11641172
    yield $k => $this->resolveServices($v);
    11651173
    }
    @@ -1171,6 +1179,11 @@ public function resolveServices($value)
    11711179
    continue 2;
    11721180
    }
    11731181
    }
    1182+
    foreach (self::getInitializedConditionals($v) as $s) {
    1183+
    if (!$this->get($s, ContainerInterface::IGNORE_ON_UNINITIALIZED_REFERENCE)) {
    1184+
    continue 2;
    1185+
    }
    1186+
    }
    11741187

    11751188
    ++$count;
    11761189
    }
    @@ -1397,6 +1410,8 @@ public function log(CompilerPassInterface $pass, $message)
    13971410
    * @param mixed $value An array of conditionals to return
    13981411
    *
    13991412
    * @return array An array of Service conditionals
    1413+
    *
    1414+
    * @internal since version 3.4
    14001415
    */
    14011416
    public static function getServiceConditionals($value)
    14021417
    {
    @@ -1413,6 +1428,30 @@ public static function getServiceConditionals($value)
    14131428
    return $services;
    14141429
    }
    14151430

    1431+
    /**
    1432+
    * Returns the initialized conditionals.
    1433+
    *
    1434+
    * @param mixed $value An array of conditionals to return
    1435+
    *
    1436+
    * @return array An array of uninitialized conditionals
    1437+
    *
    1438+
    * @internal
    1439+
    */
    1440+
    public static function getInitializedConditionals($value)
    1441+
    {
    1442+
    $services = array();
    1443+
    1444+
    if (is_array($value)) {
    1445+
    foreach ($value as $v) {
    1446+
    $services = array_unique(array_merge($services, self::getInitializedConditionals($v)));
    1447+
    }
    1448+
    } elseif ($value instanceof Reference && $value->getInvalidBehavior() === ContainerInterface::IGNORE_ON_UNINITIALIZED_REFERENCE) {
    1449+
    $services[] = (string) $value;
    1450+
    }
    1451+
    1452+
    return $services;
    1453+
    }
    1454+
    14161455
    /**
    14171456
    * Computes a reasonably unique hash of a value.
    14181457
    *
    @@ -1465,13 +1504,16 @@ private function getProxyInstantiator()
    14651504

    14661505
    private function callMethod($service, $call)
    14671506
    {
    1468-
    $services = self::getServiceConditionals($call[1]);
    1469-
    1470-
    foreach ($services as $s) {
    1507+
    foreach (self::getServiceConditionals($call[1]) as $s) {
    14711508
    if (!$this->has($s)) {
    14721509
    return;
    14731510
    }
    14741511
    }
    1512+
    foreach (self::getInitializedConditionals($call[1]) as $s) {
    1513+
    if (!$this->get($s, ContainerInterface::IGNORE_ON_UNINITIALIZED_REFERENCE)) {
    1514+
    return;
    1515+
    }
    1516+
    }
    14751517

    14761518
    call_user_func_array(array($service, $call[0]), $this->resolveServices($this->getParameterBag()->unescapeValue($this->getParameterBag()->resolveValue($call[1]))));
    14771519
    }

    ‎src/Symfony/Component/DependencyInjection/ContainerInterface.php

    Lines changed: 1 addition & 0 deletions
    Original file line numberDiff line numberDiff line change
    @@ -27,6 +27,7 @@ interface ContainerInterface extends PsrContainerInterface
    2727
    const EXCEPTION_ON_INVALID_REFERENCE = 1;
    2828
    const NULL_ON_INVALID_REFERENCE = 2;
    2929
    const IGNORE_ON_INVALID_REFERENCE = 3;
    30+
    const IGNORE_ON_UNINITIALIZED_REFERENCE = 4;
    3031

    3132
    /**
    3233
    * Sets a service.

    ‎src/Symfony/Component/DependencyInjection/Dumper/PhpDumper.php

    Lines changed: 11 additions & 9 deletions
    Original file line numberDiff line numberDiff line change
    @@ -277,7 +277,7 @@ private function addServiceLocalTempVariables($cId, Definition $definition, arra
    277277
    if (ContainerInterface::EXCEPTION_ON_INVALID_REFERENCE === $behavior[$id]) {
    278278
    $code .= sprintf($template, $name, $this->getServiceCall($id));
    279279
    } else {
    280-
    $code .= sprintf($template, $name, $this->getServiceCall($id, new Reference($id, ContainerInterface::NULL_ON_INVALID_REFERENCE)));
    280+
    $code .= sprintf($template, $name, $this->getServiceCall($id, new Reference($id, $behavior[$id])));
    281281
    }
    282282
    }
    283283
    }
    @@ -1295,12 +1295,11 @@ private function wrapServiceConditionals($value, $code)
    12951295
    */
    12961296
    private function getServiceConditionals($value)
    12971297
    {
    1298-
    if (!$services = ContainerBuilder::getServiceConditionals($value)) {
    1299-
    return null;
    1300-
    }
    1301-
    13021298
    $conditions = array();
    1303-
    foreach ($services as $service) {
    1299+
    foreach (ContainerBuilder::getInitializedConditionals($value) as $service) {
    1300+
    $conditions[] = sprintf("isset(\$this->services['%s'])", $service);
    1301+
    }
    1302+
    foreach (ContainerBuilder::getServiceConditionals($value) as $service) {
    13041303
    if ($this->container->hasDefinition($service) && !$this->container->getDefinition($service)->isPublic()) {
    13051304
    continue;
    13061305
    }
    @@ -1335,8 +1334,8 @@ private function getServiceCallsFromArguments(array $arguments, array &$calls, a
    13351334
    }
    13361335
    if (!isset($behavior[$id])) {
    13371336
    $behavior[$id] = $argument->getInvalidBehavior();
    1338-
    } elseif (ContainerInterface::EXCEPTION_ON_INVALID_REFERENCE !== $behavior[$id]) {
    1339-
    $behavior[$id] = $argument->getInvalidBehavior();
    1337+
    } else {
    1338+
    $behavior[$id] = min($behavior[$id], $argument->getInvalidBehavior());
    13401339
    }
    13411340

    13421341
    ++$calls[$id];
    @@ -1665,6 +1664,10 @@ private function getServiceCall($id, Reference $reference = null)
    16651664
    return '$this';
    16661665
    }
    16671666

    1667+
    if (null !== $reference && ContainerInterface::IGNORE_ON_UNINITIALIZED_REFERENCE === $reference->getInvalidBehavior()) {
    1668+
    // The following is PHP 5.5 syntax for what could be written as "(\$this->services['$id'] ?? null)" on PHP>=7.0
    1669+
    return "\${(\$_ = isset(\$this->services['$id']) ? \$this->services['$id'] : null) && false ?: '_'}";
    1670+
    }
    16681671
    if ($this->asFiles && $this->container->hasDefinition($id)) {
    16691672
    if ($this->container->getDefinition($id)->isShared()) {
    16701673
    $code = sprintf("\$this->load(__DIR__.'/%s.php')", $this->generateMethodName($id));
    @@ -1681,7 +1684,6 @@ private function getServiceCall($id, Reference $reference = null)
    16811684

    16821685
    if ($this->container->hasDefinition($id) && $this->container->getDefinition($id)->isShared()) {
    16831686
    // The following is PHP 5.5 syntax for what could be written as "(\$this->services['$id'] ?? $code)" on PHP>=7.0
    1684-
    16851687
    $code = "\${(\$_ = isset(\$this->services['$id']) ? \$this->services['$id'] : $code) && false ?: '_'}";
    16861688
    }
    16871689

    ‎src/Symfony/Component/DependencyInjection/Dumper/XmlDumper.php

    Lines changed: 2 additions & 0 deletions
    Original file line numberDiff line numberDiff line change
    @@ -309,6 +309,8 @@ private function convertParameters(array $parameters, $type, \DOMElement $parent
    309309
    $element->setAttribute('on-invalid', 'null');
    310310
    } elseif ($behaviour == ContainerInterface::IGNORE_ON_INVALID_REFERENCE) {
    311311
    $element->setAttribute('on-invalid', 'ignore');
    312+
    } elseif ($behaviour == ContainerInterface::IGNORE_ON_UNINITIALIZED_REFERENCE) {
    313+
    $element->setAttribute('on-invalid', 'ignore_uninitialized');
    312314
    }
    313315
    } elseif ($value instanceof Definition) {
    314316
    $element->setAttribute('type', 'service');

    ‎src/Symfony/Component/DependencyInjection/Dumper/YamlDumper.php

    Lines changed: 6 additions & 2 deletions
    Original file line numberDiff line numberDiff line change
    @@ -304,8 +304,12 @@ private function dumpValue($value)
    304304
    */
    305305
    private function getServiceCall($id, Reference $reference = null)
    306306
    {
    307-
    if (null !== $reference && ContainerInterface::EXCEPTION_ON_INVALID_REFERENCE !== $reference->getInvalidBehavior()) {
    308-
    return sprintf('@?%s', $id);
    307+
    if (null !== $reference) {
    308+
    switch ($reference->getInvalidBehavior()) {
    309+
    case ContainerInterface::EXCEPTION_ON_INVALID_REFERENCE: break;
    310+
    case ContainerInterface::IGNORE_ON_UNINITIALIZED_REFERENCE: return sprintf('@!%s', $id);
    311+
    default: return sprintf('@?%s', $id);
    312+
    }
    309313
    }
    310314

    311315
    return sprintf('@%s', $id);

    ‎src/Symfony/Component/DependencyInjection/Loader/XmlFileLoader.php

    Lines changed: 2 additions & 0 deletions
    Original file line numberDiff line numberDiff line change
    @@ -492,6 +492,8 @@ private function getArgumentsAsPhp(\DOMElement $node, $name, $file, $lowercase =
    492492
    $invalidBehavior = ContainerInterface::EXCEPTION_ON_INVALID_REFERENCE;
    493493
    if ('ignore' == $onInvalid) {
    494494
    $invalidBehavior = ContainerInterface::IGNORE_ON_INVALID_REFERENCE;
    495+
    } elseif ('ignore_uninitialized' == $onInvalid) {
    496+
    $invalidBehavior = ContainerInterface::IGNORE_ON_UNINITIALIZED_REFERENCE;
    495497
    } elseif ('null' == $onInvalid) {
    496498
    $invalidBehavior = ContainerInterface::NULL_ON_INVALID_REFERENCE;
    497499
    }

    ‎src/Symfony/Component/DependencyInjection/Loader/YamlFileLoader.php

    Lines changed: 3 additions & 0 deletions
    Original file line numberDiff line numberDiff line change
    @@ -758,6 +758,9 @@ private function resolveServices($value, $file, $isParameter = false)
    758758
    if (0 === strpos($value, '@@')) {
    759759
    $value = substr($value, 1);
    760760
    $invalidBehavior = null;
    761+
    } elseif (0 === strpos($value, '@!')) {
    762+
    $value = substr($value, 2);
    763+
    $invalidBehavior = ContainerInterface::IGNORE_ON_UNINITIALIZED_REFERENCE;
    761764
    } elseif (0 === strpos($value, '@?')) {
    762765
    $value = substr($value, 2);
    763766
    $invalidBehavior = ContainerInterface::IGNORE_ON_INVALID_REFERENCE;

    ‎src/Symfony/Component/DependencyInjection/Loader/schema/dic/services/services-1.0.xsd

    Lines changed: 1 addition & 0 deletions
    Original file line numberDiff line numberDiff line change
    @@ -266,6 +266,7 @@
    266266
    <xsd:enumeration value="null" />
    267267
    <xsd:enumeration value="ignore" />
    268268
    <xsd:enumeration value="exception" />
    269+
    <xsd:enumeration value="ignore_uninitialized" />
    269270
    </xsd:restriction>
    270271
    </xsd:simpleType>
    271272

    ‎src/Symfony/Component/DependencyInjection/Tests/ContainerBuilderTest.php

    Lines changed: 24 additions & 0 deletions
    Original file line numberDiff line numberDiff line change
    @@ -1098,6 +1098,30 @@ public function testServiceLocator()
    10981098
    $this->assertSame($container->get('bar_service'), $foo->get('bar'));
    10991099
    }
    11001100

    1101+
    public function testUninitializedReference()
    1102+
    {
    1103+
    $container = include __DIR__.'/Fixtures/containers/container_uninitialized_ref.php';
    1104+
    $container->compile();
    1105+
    1106+
    $bar = $container->get('bar');
    1107+
    1108+
    $this->assertNull($bar->ref);
    1109+
    $this->assertNull(call_user_func($bar->lambda));
    1110+
    $this->assertSame(array(), iterator_to_array($bar->iter));
    1111+
    1112+
    $container = include __DIR__.'/Fixtures/containers/container_uninitialized_ref.php';
    1113+
    $container->compile();
    1114+
    1115+
    $foo = new \stdClass();
    1116+
    $container->set('foo', $foo);
    1117+
    1118+
    $bar = $container->get('bar');
    1119+
    1120+
    $this->assertSame($foo, $bar->ref);
    1121+
    $this->assertSame($foo, call_user_func($bar->lambda));
    1122+
    $this->assertSame(array('foo' => $foo), iterator_to_array($bar->iter));
    1123+
    }
    1124+
    11011125
    public function testRegisterForAutoconfiguration()
    11021126
    {
    11031127
    $container = new ContainerBuilder();

    ‎src/Symfony/Component/DependencyInjection/Tests/Dumper/PhpDumperTest.php

    Lines changed: 9 additions & 0 deletions
    Original file line numberDiff line numberDiff line change
    @@ -631,6 +631,15 @@ public function testExpressionReferencingPrivateService()
    631631
    $this->assertStringEqualsFile(self::$fixturesPath.'/php/services_private_in_expression.php', $dumper->dump());
    632632
    }
    633633

    634+
    public function testUninitializedReference()
    635+
    {
    636+
    $container = include self::$fixturesPath.'/containers/container_uninitialized_ref.php';
    637+
    $container->compile();
    638+
    $dumper = new PhpDumper($container);
    639+
    640+
    $this->assertStringEqualsFile(self::$fixturesPath.'/php/container_uninitialized_ref.php', $dumper->dump());
    641+
    }
    642+
    634643
    public function testDumpHandlesLiteralClassWithRootNamespace()
    635644
    {
    636645
    $container = new ContainerBuilder();

    ‎src/Symfony/Component/DependencyInjection/Tests/Dumper/XmlDumperTest.php

    Lines changed: 16 additions & 0 deletions
    Original file line numberDiff line numberDiff line change
    @@ -12,8 +12,12 @@
    1212
    namespace Symfony\Component\DependencyInjection\Tests\Dumper;
    1313

    1414
    use PHPUnit\Framework\TestCase;
    15+
    use Symfony\Component\Config\FileLocator;
    1516
    use Symfony\Component\DependencyInjection\ContainerBuilder;
    17+
    use Symfony\Component\DependencyInjection\ContainerInterface;
    1618
    use Symfony\Component\DependencyInjection\Dumper\XmlDumper;
    19+
    use Symfony\Component\DependencyInjection\Loader\XmlFileLoader;
    20+
    use Symfony\Component\DependencyInjection\Reference;
    1721

    1822
    class XmlDumperTest extends TestCase
    1923
    {
    @@ -184,6 +188,18 @@ public function testDumpAutowireData()
    184188
    $this->assertEquals(file_get_contents(self::$fixturesPath.'/xml/services24.xml'), $dumper->dump());
    185189
    }
    186190

    191+
    public function testDumpLoad()
    192+
    {
    193+
    $container = new ContainerBuilder();
    194+
    $loader = new XmlFileLoader($container, new FileLocator(self::$fixturesPath.'/xml'));
    195+
    $loader->load('services_dump_load.xml');
    196+
    197+
    $this->assertEquals(array(new Reference('bar', ContainerInterface::IGNORE_ON_UNINITIALIZED_REFERENCE)), $container->getDefinition('foo')->getArguments());
    198+
    199+
    $dumper = new XmlDumper($container);
    200+
    $this->assertStringEqualsFile(self::$fixturesPath.'/xml/services_dump_load.xml', $dumper->dump());
    201+
    }
    202+
    187203
    public function testDumpAbstractServices()
    188204
    {
    189205
    $container = include self::$fixturesPath.'/containers/container_abstract.php';

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