Starting to add test cases for the new bindingKey option

tests/Fixture/AuthUsersFixture.php

@@ -44,10 +44,9 @@ class AuthUsersFixture extends TestFixture
      */
     public $records = [
         ['username' => 'mariano', 'password' => '$2a$10$u05j8FjsvLBNdfhBhc21LOuVMpzpabVXQ9OpC2wO3pSO0q6t7HHMO', 'created' => '2007-03-17 01:16:23', 'updated' => '2007-03-17 01:18:31'],
-        ['username' => 'nate', 'password' => '$2a$10$u05j8FjsvLBNdfhBhc21LOuVMpzpabVXQ9OpC2wO3pSO0q6t7HHMO', 'created' => '2007-03-17 01:18:23', 'updated' => '2007-03-17 01:20:31'],
         ['username' => 'larry', 'password' => '$2a$10$u05j8FjsvLBNdfhBhc21LOuVMpzpabVXQ9OpC2wO3pSO0q6t7HHMO', 'created' => '2007-03-17 01:20:23', 'updated' => '2007-03-17 01:22:31'],
-        ['username' => 'garrett', 'password' => '$2a$10$u05j8FjsvLBNdfhBhc21LOuVMpzpabVXQ9OpC2wO3pSO0q6t7HHMO', 'created' => '2007-03-17 01:22:23', 'updated' => '2007-03-17 01:24:31'],
         ['username' => 'chartjes', 'password' => '$2a$10$u05j8FjsvLBNdfhBhc21LOuVMpzpabVXQ9OpC2wO3pSO0q6t7HHMO', 'created' => '2007-03-17 01:22:23', 'updated' => '2007-03-17 01:24:31'],
-
+        ['username' => 'garrett', 'password' => '$2a$10$u05j8FjsvLBNdfhBhc21LOuVMpzpabVXQ9OpC2wO3pSO0q6t7HHMO', 'created' => '2007-03-17 01:22:23', 'updated' => '2007-03-17 01:24:31'],
+        ['username' => 'nate', 'password' => '$2a$10$u05j8FjsvLBNdfhBhc21LOuVMpzpabVXQ9OpC2wO3pSO0q6t7HHMO', 'created' => '2007-03-17 01:18:23', 'updated' => '2007-03-17 01:20:31'],
     ];
 }

tests/TestCase/ORM/BindingKeyTest.php

@@ -0,0 +1,50 @@
+<?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         3.0.0
+ * @license       http://www.opensource.org/licenses/mit-license.php MIT License
+ */
+namespace Cake\Test\TestCase\ORM;
+
+use Cake\ORM\TableRegistry;
+use Cake\TestSuite\TestCase;
+
+/**
+ * Integration tetss for table operations involving composite keys
+ */
+class BindingKeyTest extends TestCase
+{
+
+    /**
+     * Fixture to be used
+     *
+     * @var array
+     */
+    public $fixtures = [
+        'core.users',
+        'core.auth_users'
+    ];
+
+    public function testBelongsto()
+    {
+        $users = TableRegistry::get('Users');
+        $users->belongsTo('AuthUsers', [
+            'bindingKey' => 'username',
+            'foreignKey' => 'username'
+        ]);
+
+        $result = $users->find()
+            ->contain(['AuthUsers']);
+        debug($result);
+        debug($result->toArray());
+    }
+
+}