Start skeleton of BehaviorRegistry and its test case.

BehaviorRegistry will be the replacement for BehaviorCollection in 3.0,
and follow the same pattern as HelperRegistry and ComponentRegistry.

Cake/ORM/BehaviorRegistry.php

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+<?php
+/**
+ * CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
+ * Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
+ *
+ * Licensed under The MIT License
+ * For full copyright and license information, please see the LICENSE.txt
+ * Redistributions of files must retain the above copyright notice.
+ *
+ * @copyright     Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
+ * @link          http://cakephp.org CakePHP(tm) Project
+ * @since         CakePHP(tm) v 3.0.0
+ * @license       MIT License (http://www.opensource.org/licenses/mit-license.php)
+ */
+namespace Cake\ORM;
+
+use Cake\Core\App;
+use Cake\Error;
+use Cake\ORM\Table;
+use Cake\Utility\ObjectRegistry;
+
+/**
+ * BehaviorRegistry is used as a registry for loaded behaviors and handles loading
+ * and constructing behavior objects.
+ *
+ * This class also provides method for checking and dispatching behavior methods.
+ */
+class BehaviorRegistry extends ObjectRegistry {
+
+/**
+ * The table using this registry.
+ *
+ * @var Cake\ORM\Table
+ */
+	protected $_table;
+
+/**
+ * EventManager instance.
+ *
+ * Behaviors constructed by this object will be subscribed to this manager.
+ *
+ * @var Cake\Event\EventManager
+ */
+	protected $_eventManager;
+
+/**
+ * Constructor
+ *
+ * @param Cake\ORM\Table $table
+ */
+	public function __construct(Table $table) {
+		$this->_table = $table;
+		$this->_eventManager = $table->getEventManager();
+	}
+
+/**
+ * Resolve a behavior classname.
+ *
+ * Part of the template method for Cake\Utility\ObjectRegistry::load()
+ *
+ * @param string $class Partial classname to resolve.
+ * @return string|false Either the correct classname or false.
+ */
+	protected function _resolveClassName($class) {
+		return App::classname($class, 'Model/Behavior', 'Behavior');
+	}
+
+/**
+ * Throws an exception when a behavior is missing.
+ *
+ * Part of the template method for Cake\Utility\ObjectRegistry::load()
+ *
+ * @param string $class The classname that is missing.
+ * @param string $plugin The plugin the behavior is missing in.
+ * @throws Cake\Error\MissingBehaviorException
+ */
+	protected function _throwMissingClassError($class, $plugin) {
+		throw new Error\MissingBehaviorException([
+			'class' => $class,
+			'plugin' => $plugin
+		]);
+	}
+
+/**
+ * Create the behavior instance.
+ *
+ * Part of the template method for Cake\Utility\ObjectRegistry::load()
+ * Enabled behaviors will be registered with the event manager.
+ *
+ * @param string $class The classname that is missing.
+ * @param array $settings An array of settings to use for the behavior.
+ * @return Component The constructed behavior class.
+ */
+	protected function _create($class, $settings) {
+		$instance = new $class($this->_table, $settings);
+		$enable = isset($settings['enabled']) ? $settings['enabled'] : true;
+		if ($enable) {
+			$this->_eventManager->attach($instance);
+		}
+		return $instance;
+	}
+
+}

Cake/Test/TestCase/ORM/BehaviorRegistryTest.php

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+<?php
+/**
+ * CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
+ * Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
+ *
+ * Licensed under The MIT License
+ * For full copyright and license information, please see the LICENSE.txt
+ * Redistributions of files must retain the above copyright notice.
+ *
+ * @copyright     Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
+ * @link          http://cakephp.org CakePHP(tm) Project
+ * @since         CakePHP(tm) v 3.0.0
+ * @license       MIT License (http://www.opensource.org/licenses/mit-license.php)
+ */
+namespace Cake\Test\TestCase\ORM;
+
+use Cake\Core\Plugin;
+use Cake\ORM\Table;
+use Cake\ORM\BehaviorRegistry;
+use Cake\TestSuite\TestCase;
+
+/**
+ * Test case for BehaviorRegistry.
+ */
+class BehaviorRegistryTest extends TestCase {
+
+/**
+ * setup method.
+ *
+ * @return void
+ */
+	public function setUp() {
+		parent::setUp();
+		$this->Table = new Table(['table' => 'articles']);
+		$this->EventManager = $this->Table->getEventManager();
+		$this->Behaviors = new BehaviorRegistry($this->Table);
+	}
+
+/**
+ * tearDown
+ *
+ * @return void
+ */
+	public function tearDown() {
+		Plugin::unload();
+		unset($this->Table, $this->EventManager, $this->Behaviors);
+		parent::tearDown();
+	}
+
+/**
+ * Test loading app & core behaviors.
+ *
+ * @return void
+ */
+	public function testLoad() {
+		$this->markTestIncomplete('not done');
+	}
+
+/**
+ * Test load() binding listeners.
+ *
+ * @return void
+ */
+	public function testLoadBindEvents() {
+		$this->markTestIncomplete('not done');
+	}
+
+/**
+ * Test load() with enabled = false
+ *
+ * @return void
+ */
+	public function testLoadEnabledFalse() {
+		$this->markTestIncomplete('not done');
+	}
+
+/**
+ * Test loading plugin behaviors
+ *
+ * @return void
+ */
+	public function testLoadPlugin() {
+		$this->markTestIncomplete('not done');
+	}
+
+/**
+ * Test load() on undefined class
+ *
+ * @expectedException Cake\Error\MissingBehaviorException
+ * @return void
+ */
+	public function testLoadMissingClass() {
+		$this->markTestIncomplete('not done');
+	}
+
+/**
+ * Test load() duplicate method error
+ *
+ * @expectedException Cake\Error\Exception
+ * @expectedExceptionMessage TestApp\Model\Behavior\DuplicateBehavior contains duplicate method "dupe"
+ * @return void
+ */
+	public function testLoadDuplicateMethodError() {
+		$this->markTestIncomplete('not done');
+	}
+
+/**
+ * test hasMethod()
+ *
+ * @return void
+ */
+	public function testHasMethod() {
+		$this->markTestIncomplete('not done');
+	}
+
+}