Import the old INI configuration in the DI config

composer.lock

@@ -269,12 +269,12 @@
             "source": {
                 "type": "git",
                 "url": "https://github.com/mnapoli/PHP-DI.git",
-                "reference": "dad96f16334492ff387a4f8bc48c5f9f0e01e4a7"
+                "reference": "27341c05b930e3768f19f4c4b20eec14ce84bd06"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/mnapoli/PHP-DI/zipball/dad96f16334492ff387a4f8bc48c5f9f0e01e4a7",
-                "reference": "dad96f16334492ff387a4f8bc48c5f9f0e01e4a7",
+                "url": "https://api.github.com/repos/mnapoli/PHP-DI/zipball/27341c05b930e3768f19f4c4b20eec14ce84bd06",
+                "reference": "27341c05b930e3768f19f4c4b20eec14ce84bd06",
                 "shasum": ""
             },
             "require": {
@@ -319,7 +319,7 @@
                 "dependency injection",
                 "di"
             ],
-            "time": "2014-11-10 01:38:05"
+            "time": "2014-11-12 03:18:24"
         },
         {
             "name": "mnapoli/phpdocreader",

core/Container/IniConfigDefinitionSource.php

+<?php
+/**
+ * Piwik - free/libre analytics platform
+ *
+ * @link http://piwik.org
+ * @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
+ */
+
+namespace Piwik\Container;
+
+use DI\Definition\Exception\DefinitionException;
+use DI\Definition\MergeableDefinition;
+use DI\Definition\Source\ChainableDefinitionSource;
+use DI\Definition\Source\DefinitionSource;
+use DI\Definition\ValueDefinition;
+use Piwik\Config;
+
+/**
+ * Import the old INI config into PHP-DI.
+ */
+class IniConfigDefinitionSource implements DefinitionSource, ChainableDefinitionSource
+{
+    /**
+     * @var Config
+     */
+    private $config;
+
+    /**
+     * @var string
+     */
+    private $prefix;
+
+    /**
+     * @var DefinitionSource
+     */
+    private $chainedSource;
+
+    /**
+     * @param Config $config
+     * @param string $prefix Prefix for the container entries.
+     */
+    public function __construct(Config $config, $prefix = 'old_config.')
+    {
+        $this->config = $config;
+        $this->prefix = $prefix;
+    }
+
+    public function getDefinition($name, MergeableDefinition $parentDefinition = null)
+    {
+        // INI only contains values, so no definition merging here
+        if ($parentDefinition) {
+            return $this->notFound($name, $parentDefinition);
+        }
+
+        if (strpos($name, $this->prefix) !== 0) {
+            return $this->notFound($name, $parentDefinition);
+        }
+
+        list($sectionName, $configKey) = $this->parseEntryName($name);
+
+        $section = $this->getSection($sectionName);
+
+        if ($configKey === null) {
+            return new ValueDefinition($name, $section);
+        }
+
+        if (! array_key_exists($configKey, $section)) {
+            return $this->notFound($name, $parentDefinition);
+        }
+
+        return new ValueDefinition($name, $section[$configKey]);
+    }
+
+    public function chain(DefinitionSource $source)
+    {
+        $this->chainedSource = $source;
+    }
+
+    private function parseEntryName($name)
+    {
+        $parts = explode('.', $name, 3);
+
+        array_shift($parts);
+
+        if (! isset($parts[1])) {
+            $parts[1] = null;
+        }
+
+        return $parts;
+    }
+
+    private function getSection($sectionName)
+    {
+        $section = $this->config->$sectionName;
+
+        if (!is_array($section)) {
+            throw new DefinitionException(sprintf(
+                'Piwik\Config did not return an array for the config section %s',
+                $section
+            ));
+        }
+
+        return $section;
+    }
+
+    private function notFound($name, $parentDefinition)
+    {
+        if ($this->chainedSource) {
+            return $this->chainedSource->getDefinition($name, $parentDefinition);
+        }
+
+        return null;
+    }
+}

core/Container/StaticContainer.php

@@ -11,6 +11,7 @@ namespace Piwik\Container;
 use DI\Container;
 use DI\ContainerBuilder;
 use Doctrine\Common\Cache\ArrayCache;
+use Piwik\Config;
 
 /**
  * This class provides a static access to the container.
@@ -48,9 +49,11 @@ class StaticContainer
         }
         $builder = new ContainerBuilder();
 
-        // TODO add cache
+        // TODO set a better cache
         $builder->setDefinitionCache(new ArrayCache());
-        // $builder->writeProxiesToFile(true, PIWIK_USER_PATH . '/tmp/proxies');
+
+        // Old global INI config
+        $builder->addDefinitions(new IniConfigDefinitionSource(Config::getInstance()));
 
         // Global config
         $builder->addDefinitions(PIWIK_USER_PATH . '/config/global.php');

tests/PHPUnit/Unit/Container/IniConfigDefinitionSourceTest.php

+<?php
+/**
+ * Piwik - free/libre analytics platform
+ *
+ * @link http://piwik.org
+ * @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
+ */
+
+namespace Piwik\Tests\Unit\Container;
+
+use DI\Definition\ValueDefinition;
+use Piwik\Config;
+use Piwik\Container\IniConfigDefinitionSource;
+
+class IniConfigDefinitionSourceTest extends \PHPUnit_Framework_TestCase
+{
+    /**
+     * @test
+     */
+    public function getDefinition_withMergeableDefinition_shouldReturnNull()
+    {
+        $definition = $this->getMockForAbstractClass('DI\Definition\MergeableDefinition');
+
+        $definitionSource = new IniConfigDefinitionSource($this->createConfig());
+
+        $this->assertNull($definitionSource->getDefinition('foo', $definition));
+    }
+
+    /**
+     * @test
+     */
+    public function getDefinition_whenNotMatchingPrefix_shouldReturnNull()
+    {
+        $definitionSource = new IniConfigDefinitionSource($this->createConfig(), 'prefix.');
+
+        $this->assertNull($definitionSource->getDefinition('foo'));
+    }
+
+    /**
+     * @test
+     */
+    public function getDefinition_withUnknownConfigSection_shouldReturnEmptyArray()
+    {
+        $definitionSource = new IniConfigDefinitionSource(Config::getInstance());
+
+        /** @var ValueDefinition $definition */
+        $definition = $definitionSource->getDefinition('old_config.foo');
+
+        $this->assertTrue($definition instanceof ValueDefinition);
+        $this->assertEquals('old_config.foo', $definition->getName());
+        $this->assertSame(array(), $definition->getValue());
+    }
+
+    /**
+     * @test
+     */
+    public function getDefinition_withUnknownConfigSectionAndKey_shouldReturnNull()
+    {
+        $definitionSource = new IniConfigDefinitionSource(Config::getInstance());
+
+        $this->assertNull($definitionSource->getDefinition('old_config.foo.bar'));
+    }
+
+    /**
+     * @test
+     */
+    public function getDefinition_withUnknownConfigKey_shouldReturnNull()
+    {
+        $definitionSource = new IniConfigDefinitionSource(Config::getInstance());
+
+        $this->assertNull($definitionSource->getDefinition('old_config.General.foo'));
+    }
+
+    /**
+     * @test
+     */
+    public function getDefinition_withExistingConfigSection_shouldReturnValueDefinition()
+    {
+        $config = $this->createConfig();
+        $config->expects($this->once())
+            ->method('__get')
+            ->with('General')
+            ->willReturn(array('foo' => 'bar'));
+
+        $definitionSource = new IniConfigDefinitionSource($config);
+
+        /** @var ValueDefinition $definition */
+        $definition = $definitionSource->getDefinition('old_config.General');
+
+        $this->assertTrue($definition instanceof ValueDefinition);
+        $this->assertEquals('old_config.General', $definition->getName());
+        $this->assertInternalType('array', $definition->getValue());
+        $this->assertEquals(array('foo' => 'bar'), $definition->getValue());
+    }
+
+    /**
+     * @test
+     */
+    public function getDefinition_withExistingConfigKey_shouldReturnValueDefinition()
+    {
+        $config = $this->createConfig();
+        $config->expects($this->once())
+            ->method('__get')
+            ->with('General')
+            ->willReturn(array('foo' => 'bar'));
+
+        $definitionSource = new IniConfigDefinitionSource($config);
+
+        /** @var ValueDefinition $definition */
+        $definition = $definitionSource->getDefinition('old_config.General.foo');
+
+        $this->assertTrue($definition instanceof ValueDefinition);
+        $this->assertEquals('old_config.General.foo', $definition->getName());
+        $this->assertEquals('bar', $definition->getValue());
+    }
+
+    /**
+     * @return \PHPUnit_Framework_MockObject_MockObject|Config
+     */
+    private function createConfig()
+    {
+        return $this->getMock('Piwik\Config', array(), array(), '', false);
+    }
+}