add initial tests.

src/Sylius/Bundle/FlowBundle/DependencyInjection/Configuration.php

@@ -36,7 +36,7 @@ class Configuration implements ConfigurationInterface
         $rootNode
             ->addDefaultsIfNotSet()
             ->children()
-                ->scalarNode('storage')->defaultValue('sylius_flow.storage.session')->end()
+                ->scalarNode('storage')->defaultValue('sylius_flow.storage.session')->cannotBeEmpty()->end()
             ->end()
         ;
 

src/Sylius/Bundle/FlowBundle/Process/Process.php

@@ -174,6 +174,10 @@ class Process implements ProcessInterface
             throw new \InvalidArgumentException(sprintf('Step with name "%s" already exists', $name));
         }
 
+        if (null === $step->getName()) {
+            $step->setName($name);
+        }
+
         $this->steps[$name] = $this->orderedSteps[] = $step;
     }
 

src/Sylius/Bundle/FlowBundle/Tests/DependencyInjection/SyliusFlowExtensionTest.php

@@ -0,0 +1,55 @@
+<?php
+
+/*
+ * This file is part of the Sylius package.
+ *
+ * (c) Paweł Jędrzejewski
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Sylius\Bundle\FlowBundle\Tests\DependencyInjection;
+
+use Sylius\Bundle\FlowBundle\DependencyInjection\SyliusFlowExtension;
+use Symfony\Component\DependencyInjection\ContainerBuilder;
+use Symfony\Component\Yaml\Parser;
+
+/**
+ * Dependency injection extension test.
+ *
+ * @author Paweł Jędrzejewski <pjedrzejewski@diweb.pl>
+ */
+class SyliusFlowExtensionTest extends \PHPUnit_Framework_TestCase
+{
+    /**
+     * @test
+     * @expectedException \Symfony\Component\Config\Definition\Exception\InvalidConfigurationException
+     */
+    public function shouldThrowExceptionUnlessStorageConfigured()
+    {
+        $extension = new SyliusFlowExtension();
+
+        $config = $this->getEmptyConfig();
+        $config['storage'] = '';
+
+        $extension->load(array($config), new ContainerBuilder());
+    }
+
+    /**
+     * Get empty config for testing.
+     *
+     * @return array
+     */
+    protected function getEmptyConfig()
+    {
+        $yaml =
+<<<EOF
+storage: sylius_flow.storage.session
+EOF;
+
+        $parser = new Parser();
+
+        return $parser->parse($yaml);
+    }
+}

src/Sylius/Bundle/FlowBundle/Tests/Process/ProcessTest.php

@@ -0,0 +1,54 @@
+<?php
+
+/*
+ * This file is part of the Sylius package.
+ *
+ * (c) Paweł Jędrzejewski
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Sylius\Bundle\FlowBundle\Tests\Process;
+
+use Sylius\Bundle\FlowBundle\Process\Context\ProcessContextInterface;
+use Sylius\Bundle\FlowBundle\Process\Process;
+use Sylius\Bundle\FlowBundle\Process\Step\Step;
+
+/**
+ * Process test.
+ *
+ * @author Paweł Jędrzejewski <pjedrzejewski@diweb.pl>
+ */
+class ProcessTest extends \PHPUnit_Framework_TestCase
+{
+    /**
+     * @test
+     */
+    public function shouldKeepStepsInOrderWhileAddingSteps()
+    {
+        $process = new Process();
+
+        $process->addStep('foo', new TestStep());
+        $process->addStep('bar', new TestStep());
+        $process->addStep('foobar', new TestStep());
+
+        $correctOrder = array('foo', 'bar', 'foobar');
+
+        foreach ($process->getOrderedSteps() as $i => $step) {
+            $this->assertSame($correctOrder[$i], $step->getName());
+        }
+
+        foreach ($correctOrder as $i => $name) {
+            $this->assertSame($name, $process->getStepByIndex($i)->getName());
+        }
+    }
+}
+
+class TestStep extends Step
+{
+    public function displayAction(ProcessContextInterface $context)
+    {
+        // pufff.
+    }
+}

src/Sylius/Bundle/FlowBundle/Tests/autoload.php.dist

@@ -9,7 +9,7 @@
  * file that was distributed with this source code.
  */
 
-if (!file_exists($file = __DIR__.'/../vendor/.composer/autoload.php')) {
+if (!file_exists($file = __DIR__.'/../vendor/autoload.php')) {
     die("Please install dependencies using Composer to run the test suite. \n");
 } else {
     require_once $file;