[Workflow] Fixed code and tests

UPGRADE-3.3.md

@@ -59,3 +59,9 @@ TwigBridge
 
  * The `TwigRendererEngine::setEnvironment()` method has been deprecated and will be removed
    in 4.0. Pass the Twig Environment as second argument of the constructor instead.
+
+Workflow
+--------
+
+ * Deprecated class name support in `WorkflowRegistry::add()` as second parameter.
+   Wrap the class name in an instance of ClassInstanceSupportStrategy instead.

UPGRADE-4.0.md

@@ -395,3 +395,8 @@ Ldap
 ----
 
  * The `RenameEntryInterface` has been deprecated, and merged with `EntryManagerInterface`
+
+Workflow
+--------
+
+ * Removed class name support in `WorkflowRegistry::add()` as second parameter.

src/Symfony/Bridge/Twig/Tests/Extension/WorkflowExtensionTest.php

@@ -15,6 +15,7 @@ use Symfony\Bridge\Twig\Extension\WorkflowExtension;
 use Symfony\Component\Workflow\Definition;
 use Symfony\Component\Workflow\Marking;
 use Symfony\Component\Workflow\Registry;
+use Symfony\Component\Workflow\SupportStrategy\ClassInstanceSupportStrategy;
 use Symfony\Component\Workflow\Transition;
 use Symfony\Component\Workflow\Workflow;
 
@@ -37,7 +38,7 @@ class WorkflowExtensionTest extends \PHPUnit_Framework_TestCase
         $workflow = new Workflow($definition);
 
         $registry = new Registry();
-        $registry->add($workflow, \stdClass::class);
+        $registry->add($workflow, new ClassInstanceSupportStrategy(\stdClass::class));
 
         $this->extension = new WorkflowExtension($registry);
     }

src/Symfony/Bundle/FrameworkBundle/DependencyInjection/Configuration.php

@@ -295,7 +295,9 @@ class Configuration implements ConfigurationInterface
                             ->scalarNode('support_strategy')
                                 ->cannotBeEmpty()
                             ->end()
-                            ->scalarNode('initial_place')->defaultNull()->end()
+                            ->scalarNode('initial_place')
+                                ->defaultNull()
+                            ->end()
                             ->arrayNode('places')
                                 ->isRequired()
                                 ->requiresAtLeastOneElement()
@@ -356,9 +358,17 @@ class Configuration implements ConfigurationInterface
                             ->end()
                         ->end()
                         ->validate()
-                            ->ifTrue(function ($v) { return isset($v['supports']) && isset($v['support_strategy']); })
+                            ->ifTrue(function ($v) {
+                                return $v['supports'] && isset($v['support_strategy']);
+                            })
                             ->thenInvalid('"supports" and "support_strategy" cannot be used together.')
                         ->end()
+                        ->validate()
+                            ->ifTrue(function ($v) {
+                                return !$v['supports'] && !isset($v['support_strategy']);
+                            })
+                            ->thenInvalid('"supports" or "support_strategy" should be configured.')
+                        ->end()
                     ->end()
                 ->end()
             ->end()

src/Symfony/Bundle/FrameworkBundle/DependencyInjection/FrameworkExtension.php

@@ -476,7 +476,7 @@ class FrameworkExtension extends Extension
             $container->setDefinition(sprintf('%s.definition', $workflowId), $definitionDefinition);
 
             // Add workflow to Registry
-            if (isset($workflow['supports'])) {
+            if ($workflow['supports']) {
                 foreach ($workflow['supports'] as $supportedClassName) {
                     $strategyDefinition = new Definition(ClassInstanceSupportStrategy::class, array($supportedClassName));
                     $strategyDefinition->setPublic(false);

src/Symfony/Bundle/FrameworkBundle/Resources/config/schema/symfony-1.0.xsd

@@ -232,13 +232,14 @@
     <xsd:complexType name="workflow">
         <xsd:sequence>
             <xsd:element name="marking-store" type="marking_store" />
-            <xsd:element name="support" type="xsd:string" minOccurs="1" maxOccurs="unbounded" />
+            <xsd:element name="support" type="xsd:string" minOccurs="0" maxOccurs="unbounded" />
             <xsd:element name="place" type="xsd:string" minOccurs="1" maxOccurs="unbounded" />
             <xsd:element name="transition" type="transition" minOccurs="1" maxOccurs="unbounded" />
         </xsd:sequence>
         <xsd:attribute name="name" type="xsd:string" use="required" />
         <xsd:attribute name="type" type="workflow_type" />
         <xsd:attribute name="initial-place" type="xsd:string" />
+        <xsd:attribute name="support-strategy" type="xsd:string" />
     </xsd:complexType>
 
     <xsd:complexType name="marking_store">

src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/Fixtures/php/workflow_with_support_and_support_strategy.php

@@ -0,0 +1,31 @@
+<?php
+
+use Symfony\Bundle\FrameworkBundle\Tests\DependencyInjection\FrameworkExtensionTest;
+
+$container->loadFromExtension('framework', array(
+    'workflows' => array(
+        'my_workflow' => array(
+            'marking_store' => array(
+                'type' => 'multiple_state',
+            ),
+            'supports' => array(
+                FrameworkExtensionTest::class,
+            ),
+            'support_strategy' => 'foobar',
+            'places' => array(
+                'first',
+                'last',
+            ),
+            'transitions' => array(
+                'go' => array(
+                    'from' => array(
+                        'first',
+                    ),
+                    'to' => array(
+                        'last',
+                    ),
+                ),
+            ),
+        ),
+    ),
+));

src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/Fixtures/php/workflow_without_support_and_support_strategy.php

@@ -0,0 +1,27 @@
+<?php
+
+use Symfony\Bundle\FrameworkBundle\Tests\DependencyInjection\FrameworkExtensionTest;
+
+$container->loadFromExtension('framework', array(
+    'workflows' => array(
+        'my_workflow' => array(
+            'marking_store' => array(
+                'type' => 'multiple_state',
+            ),
+            'places' => array(
+                'first',
+                'last',
+            ),
+            'transitions' => array(
+                'go' => array(
+                    'from' => array(
+                        'first',
+                    ),
+                    'to' => array(
+                        'last',
+                    ),
+                ),
+            ),
+        ),
+    ),
+));

src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/Fixtures/xml/workflow_with_support_and_support_strategy.xml

@@ -0,0 +1,21 @@
+<?xml version="1.0" ?>
+
+<container xmlns="http://symfony.com/schema/dic/services"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xmlns:framework="http://symfony.com/schema/dic/symfony"
+    xsi:schemaLocation="http://symfony.com/schema/dic/services http://symfony.com/schema/dic/services/services-1.0.xsd
+                        http://symfony.com/schema/dic/symfony http://symfony.com/schema/dic/symfony/symfony-1.0.xsd">
+
+    <framework:config>
+        <framework:workflow name="my_workflow" support-strategy="foobar">
+            <framework:marking-store type="multiple_state"/>
+            <framework:support>Symfony\Bundle\FrameworkBundle\Tests\DependencyInjection\FrameworkExtensionTest</framework:support>
+            <framework:place>first</framework:place>
+            <framework:place>last</framework:place>
+            <framework:transition name="foobar">
+                <framework:from>a</framework:from>
+                <framework:to>a</framework:to>
+            </framework:transition>
+        </framework:workflow>
+    </framework:config>
+</container>

src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/Fixtures/xml/workflow_without_support_and_support_strategy.xml

@@ -0,0 +1,20 @@
+<?xml version="1.0" ?>
+
+<container xmlns="http://symfony.com/schema/dic/services"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xmlns:framework="http://symfony.com/schema/dic/symfony"
+    xsi:schemaLocation="http://symfony.com/schema/dic/services http://symfony.com/schema/dic/services/services-1.0.xsd
+                        http://symfony.com/schema/dic/symfony http://symfony.com/schema/dic/symfony/symfony-1.0.xsd">
+
+    <framework:config>
+        <framework:workflow name="my_workflow">
+            <framework:marking-store type="multiple_state"/>
+            <framework:place>first</framework:place>
+            <framework:place>last</framework:place>
+            <framework:transition name="foobar">
+                <framework:from>a</framework:from>
+                <framework:to>a</framework:to>
+            </framework:transition>
+        </framework:workflow>
+    </framework:config>
+</container>

src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/Fixtures/yml/workflow_with_support_and_support_strategy.yml

@@ -0,0 +1,17 @@
+framework:
+    workflows:
+        my_workflow:
+            marking_store:
+                type: multiple_state
+            supports:
+                - Symfony\Bundle\FrameworkBundle\Tests\DependencyInjection\FrameworkExtensionTest
+            support_strategy: foobar
+            places:
+                - first
+                - last
+            transitions:
+                go:
+                    from:
+                        - first
+                    to:
+                        - last

src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/Fixtures/yml/workflow_without_support_and_support_strategy.yml

@@ -0,0 +1,14 @@
+framework:
+    workflows:
+        my_workflow:
+            marking_store:
+                type: multiple_state
+            places:
+                - first
+                - last
+            transitions:
+                go:
+                    from:
+                        - first
+                    to:
+                        - last

src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/FrameworkExtensionTest.php

@@ -168,7 +168,6 @@ abstract class FrameworkExtensionTest extends TestCase
         $this->assertCount(9, $stateMachineDefinition->getArgument(1));
         $this->assertSame('start', $stateMachineDefinition->getArgument(2));
 
-
         $serviceMarkingStoreWorkflowDefinition = $container->getDefinition('workflow.service_marking_store_workflow');
         /** @var Reference $markingStoreRef */
         $markingStoreRef = $serviceMarkingStoreWorkflowDefinition->getArgument(1);
@@ -189,6 +188,24 @@ abstract class FrameworkExtensionTest extends TestCase
         $this->createContainerFromFile('workflow_with_type_and_service');
     }
 
+    /**
+     * @expectedException \Symfony\Component\Config\Definition\Exception\InvalidConfigurationException
+     * @expectedExceptionMessage "supports" and "support_strategy" cannot be used together.
+     */
+    public function testWorkflowCannotHaveBothSupportsAndSupportStrategy()
+    {
+        $this->createContainerFromFile('workflow_with_support_and_support_strategy');
+    }
+
+    /**
+     * @expectedException \Symfony\Component\Config\Definition\Exception\InvalidConfigurationException
+     * @expectedExceptionMessage "supports" or "support_strategy" should be configured.
+     */
+    public function testWorkflowShouldHaveOneOfSupportsAndSupportStrategy()
+    {
+        $this->createContainerFromFile('workflow_without_support_and_support_strategy');
+    }
+
     /**
      * @expectedException \Symfony\Component\Config\Definition\Exception\InvalidConfigurationException
      * @expectedExceptionMessage "arguments" and "service" cannot be used together.

src/Symfony/Component/Workflow/CHANGELOG.md

@@ -1,2 +1,8 @@
 CHANGELOG
 =========
+
+3.3.0
+-----
+
+ * Deprecated class name support in `WorkflowRegistry::add()` as second parameter.
+   Wrap the class name in an instance of ClassInstanceSupportStrategy instead.

src/Symfony/Component/Workflow/Registry.php

@@ -12,6 +12,7 @@
 namespace Symfony\Component\Workflow;
 
 use Symfony\Component\Workflow\Exception\InvalidArgumentException;
+use Symfony\Component\Workflow\SupportStrategy\ClassInstanceSupportStrategy;
 use Symfony\Component\Workflow\SupportStrategy\SupportStrategyInterface;
 
 /**
@@ -30,6 +31,8 @@ class Registry
     {
         if (!$supportStrategy instanceof SupportStrategyInterface) {
             @trigger_error('Support of class name string was deprecated after version 3.2 and won\'t work anymore in 4.0.', E_USER_DEPRECATED);
+
+            $supportStrategy = new ClassInstanceSupportStrategy($supportStrategy);
         }
 
         $this->workflows[] = array($workflow, $supportStrategy);
@@ -63,17 +66,10 @@ class Registry
 
     private function supports(Workflow $workflow, $supportStrategy, $subject, $workflowName)
     {
-        if (is_string($supportStrategy) && !$subject instanceof $supportStrategy) {
+        if (null !== $workflowName && $workflowName !== $workflow->getName()) {
-            return false;
-        }
-        if ($supportStrategy instanceof SupportStrategyInterface && !$supportStrategy->supports($workflow, $subject)) {
             return false;
         }
 
-        if (null === $workflowName) {
+        return $supportStrategy->supports($workflow, $subject);
-            return true;
-        }
-
-        return $workflowName === $workflow->getName();
     }
 }

src/Symfony/Component/Workflow/SupportStrategy/ClassInstanceSupportStrategy.php

@@ -4,10 +4,16 @@ namespace Symfony\Component\Workflow\SupportStrategy;
 
 use Symfony\Component\Workflow\Workflow;
 
-class ClassInstanceSupportStrategy implements SupportStrategyInterface
+/**
+ * @author Andreas Kleemann <akleemann@inviqa.com>
+ */
+final class ClassInstanceSupportStrategy implements SupportStrategyInterface
 {
     private $className;
 
+    /**
+     * @param string $className a FQCN
+     */
     public function __construct($className)
     {
         $this->className = $className;

src/Symfony/Component/Workflow/SupportStrategy/SupportStrategyInterface.php

@@ -13,6 +13,9 @@ namespace Symfony\Component\Workflow\SupportStrategy;
 
 use Symfony\Component\Workflow\Workflow;
 
+/**
+ * @author Andreas Kleemann <akleemann@inviqa.com>
+ */
 interface SupportStrategyInterface
 {
     /**

src/Symfony/Component/Workflow/Tests/SupportStrategy/ClassInstanceSupportStrategyTest.php

@@ -11,17 +11,17 @@ class ClassInstanceSupportStrategyTest extends \PHPUnit_Framework_TestCase
     {
         $strategy = new ClassInstanceSupportStrategy('Symfony\Component\Workflow\Tests\SupportStrategy\Subject1');
 
-        $this->assertTrue($strategy->supports($this->getWorkflow(), new Subject1()));
+        $this->assertTrue($strategy->supports($this->createWorkflow(), new Subject1()));
     }
 
     public function testSupportsIfNotClassInstance()
     {
         $strategy = new ClassInstanceSupportStrategy('Symfony\Component\Workflow\Tests\SupportStrategy\Subject2');
 
-        $this->assertFalse($strategy->supports($this->getWorkflow(), new Subject1()));
+        $this->assertFalse($strategy->supports($this->createWorkflow(), new Subject1()));
     }
 
-    private function getWorkflow()
+    private function createWorkflow()
     {
         return $this->getMockBuilder(Workflow::class)
             ->disableOriginalConstructor()