Added the missing test case

tests/QueryReferenceModelTestCase.php

+<?php
+class Doctrine_Query_ReferenceModel_TestCase extends Doctrine_UnitTestCase {
+    public function prepareTables() {
+        $this->tables = array();
+        $this->tables[] = "Forum_Category";
+        $this->tables[] = "Forum_Entry";
+        $this->tables[] = "Forum_Board";
+        $this->tables[] = "Forum_Thread";
+
+        parent::prepareTables();
+        $this->connection->clear();
+    }
+    public function testInitializeData() {
+        $query = new Doctrine_Query($this->connection);
+
+        $category = new Forum_Category();
+
+        $category->name = "Root";
+        $category->Subcategory[0]->name = "Sub 1";
+        $category->Subcategory[1]->name = "Sub 2";
+        $category->Subcategory[0]->Subcategory[0]->name = "Sub 1 Sub 1";
+        $category->Subcategory[0]->Subcategory[1]->name = "Sub 1 Sub 2";
+        $category->Subcategory[1]->Subcategory[0]->name = "Sub 2 Sub 1";
+        $category->Subcategory[1]->Subcategory[1]->name = "Sub 2 Sub 2";
+
+        $this->connection->flush();
+        $this->connection->clear();
+
+        $category = $category->getTable()->find($category->id);
+
+        $this->assertEqual($category->name, "Root");
+        $this->assertEqual($category->Subcategory[0]->name, "Sub 1");
+        $this->assertEqual($category->Subcategory[1]->name, "Sub 2");
+        $this->assertEqual($category->Subcategory[0]->Subcategory[0]->name, "Sub 1 Sub 1");
+        $this->assertEqual($category->Subcategory[0]->Subcategory[1]->name, "Sub 1 Sub 2");
+        $this->assertEqual($category->Subcategory[1]->Subcategory[0]->name, "Sub 2 Sub 1");
+        $this->assertEqual($category->Subcategory[1]->Subcategory[1]->name, "Sub 2 Sub 2");
+
+        $this->connection->clear();
+    }
+    public function testSelfReferencingWithNestedOrderBy() {
+        $query = new Doctrine_Query();
+        
+        $query->from("Forum_Category.Subcategory.Subcategory");
+        $query->orderby("Forum_Category.id ASC, Forum_Category.Subcategory.name DESC");
+
+
+        $coll = $query->execute();
+        
+        $category = $coll[0];
+
+        $this->assertEqual($category->name, "Root");
+        $this->assertEqual($category->Subcategory[0]->name, "Sub 2");
+        $this->assertEqual($category->Subcategory[1]->name, "Sub 1");
+        $this->assertEqual($category->Subcategory[1]->Subcategory[0]->name, "Sub 1 Sub 1");
+        $this->assertEqual($category->Subcategory[1]->Subcategory[1]->name, "Sub 1 Sub 2");
+        $this->assertEqual($category->Subcategory[0]->Subcategory[0]->name, "Sub 2 Sub 1");
+        $this->assertEqual($category->Subcategory[0]->Subcategory[1]->name, "Sub 2 Sub 2");
+
+        $this->connection->clear();
+    }
+
+    public function testSelfReferencingWithDoubleNesting() {
+        $query = new Doctrine_Query();
+        $category = new Forum_Category();
+
+        $query->from("Forum_Category.Subcategory.Subcategory");
+        $coll = $query->execute();
+        $category = $coll[0];
+
+        $count = count($this->dbh);
+
+        $this->assertEqual($category->name, "Root");
+        
+        $this->assertEqual($count, count($this->dbh));
+        $this->assertEqual($category->Subcategory[0]->name, "Sub 1");
+        $this->assertEqual($category->Subcategory[1]->name, "Sub 2");
+
+        $this->assertEqual($count, count($this->dbh));
+        $this->assertEqual($category->Subcategory[0]->Subcategory[0]->name, "Sub 1 Sub 1");
+        $this->assertEqual($category->Subcategory[0]->Subcategory[1]->name, "Sub 1 Sub 2");
+        $this->assertEqual($category->Subcategory[1]->Subcategory[0]->name, "Sub 2 Sub 1");
+        $this->assertEqual($category->Subcategory[1]->Subcategory[1]->name, "Sub 2 Sub 2");
+        $this->assertEqual($count, count($this->dbh));
+        
+        $this->connection->clear();
+    }
+    public function testSelfReferencingWithNestingAndConditions() {
+        $query = new Doctrine_Query();
+        $query->from("Forum_Category.Parent.Parent")->where("Forum_Category.name LIKE 'Sub%Sub%'");
+        $coll = $query->execute();
+
+        $count = count($this->dbh);
+        $this->assertEqual($coll->count(), 4);
+        $this->assertEqual($coll[0]->name, "Sub 1 Sub 1");
+        $this->assertEqual($coll[1]->name, "Sub 1 Sub 2");
+        $this->assertEqual($coll[2]->name, "Sub 2 Sub 1");
+        $this->assertEqual($coll[3]->name, "Sub 2 Sub 2");
+
+        $this->assertEqual($count, count($this->dbh));
+
+        $this->assertEqual($coll[0]->Parent->name, "Sub 1");
+        $this->assertEqual($coll[1]->Parent->name, "Sub 1");
+        $this->assertEqual($coll[2]->Parent->name, "Sub 2");
+        $this->assertEqual($coll[3]->Parent->name, "Sub 2");
+        
+        $this->assertEqual($count, count($this->dbh));
+
+        $this->assertEqual($coll[0]->Parent->Parent->name, "Root");
+        $this->assertEqual($coll[1]->Parent->Parent->name, "Root");
+        $this->assertEqual($coll[2]->Parent->Parent->name, "Root");
+        $this->assertEqual($coll[3]->Parent->Parent->name, "Root");
+        
+        $this->assertEqual($count, count($this->dbh));
+    }
+    public function testSelfReferencingWithNestingAndMultipleConditions() {
+        $query = new Doctrine_Query();
+        $query->from("Forum_Category.Parent, Forum_Category.Subcategory")->where("Forum_Category.name = 'Sub 1' || Forum_Category.name = 'Sub 2'");
+        
+        $coll = $query->execute();
+        
+        $count = count($this->dbh);
+        
+        $this->assertEqual($coll->count(), 2);
+        $this->assertEqual($coll[0]->name, "Sub 1");
+        $this->assertEqual($coll[1]->name, "Sub 2");
+        
+        $this->assertEqual($count, count($this->dbh));
+
+        $this->assertEqual($coll[0]->Subcategory[0]->name, "Sub 1 Sub 1");
+        $this->assertEqual($coll[0]->Subcategory[1]->name, "Sub 1 Sub 2");
+        $this->assertEqual($coll[1]->Subcategory[0]->name, "Sub 2 Sub 1");
+        $this->assertEqual($coll[1]->Subcategory[1]->name, "Sub 2 Sub 2");
+
+        $this->assertEqual($count, count($this->dbh));
+
+        $this->assertEqual($coll[0]->Parent->name, "Root");
+        $this->assertEqual($coll[1]->Parent->name, "Root");
+
+        $this->assertEqual($count, count($this->dbh));
+        
+        $this->connection->clear();
+    }
+    public function testSelfReferencingWithIsNull() {
+        $query = new Doctrine_Query();
+        $query->from("Forum_Category.Subcategory.Subcategory")->where("Forum_Category.parent_category_id IS NULL");
+        $coll = $query->execute();
+        $this->assertEqual($coll->count(), 1);
+        
+        $count = count($this->dbh);
+        $category = $coll[0];
+        $this->assertEqual($category->name, "Root");
+        
+        $this->assertEqual($count, count($this->dbh));
+        $this->assertEqual($category->Subcategory[0]->name, "Sub 1");
+        $this->assertEqual($category->Subcategory[1]->name, "Sub 2");
+
+        $this->assertEqual($count, count($this->dbh));
+        $this->assertEqual($category->Subcategory[0]->Subcategory[0]->name, "Sub 1 Sub 1");
+        $this->assertEqual($category->Subcategory[0]->Subcategory[1]->name, "Sub 1 Sub 2");
+        $this->assertEqual($category->Subcategory[1]->Subcategory[0]->name, "Sub 2 Sub 1");
+        $this->assertEqual($category->Subcategory[1]->Subcategory[1]->name, "Sub 2 Sub 2");
+        $this->assertEqual($count, count($this->dbh));
+    }
+
+}
+?>