diff --git a/Tests/DataFixtures/Dumper/YamlDataDumperTest.php b/Tests/DataFixtures/Dumper/YamlDataDumperTest.php
index e4aa627..4803c84 100644
--- a/Tests/DataFixtures/Dumper/YamlDataDumperTest.php
+++ b/Tests/DataFixtures/Dumper/YamlDataDumperTest.php
@@ -31,8 +31,7 @@ class YamlDataDumperTest extends TestCase
             ->save($this->con)
         ;
 
-        $filename = tempnam(sys_get_temp_dir(), 'yaml_datadumper_test');
-        @unlink($filename);
+        $filename = $this->getTempFile();
 
         $loader = new YamlDataDumper(__DIR__.'/../../Fixtures/DataFixtures/Loader');
         $loader->dump($filename);
@@ -52,7 +51,5 @@ YAML;
 
         $result = file_get_contents($filename);
         $this->assertEquals($expected, $result);
-
-        @unlink($filename);
     }
 }
diff --git a/Tests/DataFixtures/Loader/XmlDataLoaderTest.php b/Tests/DataFixtures/Loader/XmlDataLoaderTest.php
index b5f57fd..958fe8a 100644
--- a/Tests/DataFixtures/Loader/XmlDataLoaderTest.php
+++ b/Tests/DataFixtures/Loader/XmlDataLoaderTest.php
@@ -19,12 +19,8 @@ use Propel\PropelBundle\DataFixtures\Loader\XmlDataLoader;
  */
 class XmlDataLoaderTest extends TestCase
 {
-    protected $tmpfile;
-
-    protected function setUp()
+    public function testXmlLoad()
     {
-        parent::setUp();
-
         $fixtures = <<<XML
 <Fixtures>
     <BookAuthor Namespace="Propel\PropelBundle\Tests\Fixtures\DataFixtures\Loader">
@@ -35,19 +31,11 @@ class XmlDataLoaderTest extends TestCase
     </Book>
 </Fixtures>
 XML;
-        $this->tmpfile = (string) tmpfile();
-        file_put_contents($this->tmpfile, $fixtures);
-    }
 
-    protected function tearDown()
-    {
-        unlink($this->tmpfile);
-    }
+        $filename = $this->getTempFile($fixtures);
 
-    public function testXmlLoad()
-    {
         $loader = new XmlDataLoader(__DIR__.'/../../Fixtures/DataFixtures/Loader');
-        $loader->load(array($this->tmpfile), 'default');
+        $loader->load(array($filename), 'default');
 
         $books = \Propel\PropelBundle\Tests\Fixtures\DataFixtures\Loader\BookPeer::doSelect(new \Criteria(), $this->con);
         $this->assertCount(1, $books);
diff --git a/Tests/DataFixtures/Loader/YamlDataLoaderTest.php b/Tests/DataFixtures/Loader/YamlDataLoaderTest.php
index b09f761..a15fe0a 100644
--- a/Tests/DataFixtures/Loader/YamlDataLoaderTest.php
+++ b/Tests/DataFixtures/Loader/YamlDataLoaderTest.php
@@ -19,12 +19,8 @@ use Propel\PropelBundle\DataFixtures\Loader\YamlDataLoader;
  */
 class YamlDataLoaderTest extends TestCase
 {
-    protected $tmpfile;
-
-    protected function setUp()
+    public function testYamlLoadOneToMany()
     {
-        parent::setUp();
-
         $fixtures = <<<YAML
 Propel\PropelBundle\Tests\Fixtures\DataFixtures\Loader\BookAuthor:
     BookAuthor_1:
@@ -37,19 +33,10 @@ Propel\PropelBundle\Tests\Fixtures\DataFixtures\Loader\Book:
         author_id: BookAuthor_1
 
 YAML;
-        $this->tmpfile = (string) tmpfile();
-        file_put_contents($this->tmpfile, $fixtures);
-    }
+        $filename = $this->getTempFile($fixtures);
 
-    protected function tearDown()
-    {
-        unlink($this->tmpfile);
-    }
-
-    public function testYamlLoad()
-    {
         $loader = new YamlDataLoader(__DIR__.'/../../Fixtures/DataFixtures/Loader');
-        $loader->load(array($this->tmpfile), 'default');
+        $loader->load(array($filename), 'default');
 
         $books = \Propel\PropelBundle\Tests\Fixtures\DataFixtures\Loader\BookPeer::doSelect(new \Criteria(), $this->con);
         $this->assertCount(1, $books);
@@ -57,4 +44,68 @@ YAML;
         $book = $books[0];
         $this->assertInstanceOf('Propel\PropelBundle\Tests\Fixtures\DataFixtures\Loader\BookAuthor', $book->getBookAuthor());
     }
+
+    public function testYamlLoadManyToMany()
+    {
+        $schema = <<<XML
+<database name="default" package="vendor.bundles.Propel.PropelBundle.Tests.Fixtures.DataFixtures.Loader" namespace="Propel\PropelBundle\Tests\Fixtures\DataFixtures\Loader" defaultIdMethod="native">
+    <table name="book" phpName="YamlManyToManyBook">
+        <column name="id" type="integer" primaryKey="true" />
+        <column name="name" type="varchar" size="255" />
+    </table>
+
+    <table name="author" phpName="YamlManyToManyAuthor">
+        <column name="id" type="integer" primaryKey="true" />
+        <column name="name" type="varchar" size="255" />
+    </table>
+
+    <table name="book_author" phpName="YamlManyToManyBookAuthor">
+        <column name="book_id" type="integer" required="true" primaryKey="true" />
+        <column name="author_id" type="integer" required="true" primaryKey="true" />
+
+        <foreign-key foreignTable="book" phpName="Book" onDelete="CASCADE" onUpdate="CASCADE">
+            <reference local="book_id" foreign="id" />
+        </foreign-key>
+        <foreign-key foreignTable="author" phpName="Author" onDelete="CASCADE" onUpdate="CASCADE">
+            <reference local="author_id" foreign="id" />
+        </foreign-key>
+    </table>
+</database>
+XML;
+
+        $fixtures = <<<YAML
+Propel\PropelBundle\Tests\Fixtures\DataFixtures\Loader\YamlManyToManyAuthor:
+    Author_1:
+        name: 'A famous one'
+Propel\PropelBundle\Tests\Fixtures\DataFixtures\Loader\YamlManyToManyBook:
+    Book_1:
+        name: 'An important one'
+Propel\PropelBundle\Tests\Fixtures\DataFixtures\Loader\YamlManyToManyBookAuthor:
+    BookAuthor_1:
+        book_id: Book_1
+        author_id: Author_1
+
+YAML;
+
+        $filename = $this->getTempFile($fixtures);
+
+        $builder = new \PropelQuickBuilder();
+        $builder->setSchema($schema);
+        $con = $builder->build();
+
+        $loader = new YamlDataLoader(__DIR__.'/../../Fixtures/DataFixtures/Loader');
+        $loader->load(array($filename), 'default');
+
+        $books = \Propel\PropelBundle\Tests\Fixtures\DataFixtures\Loader\YamlManyToManyBookPeer::doSelect(new \Criteria(), $con);
+        $this->assertCount(1, $books);
+        $this->assertInstanceOf('Propel\PropelBundle\Tests\Fixtures\DataFixtures\Loader\YamlManyToManyBook', $books[0]);
+
+        $authors = \Propel\PropelBundle\Tests\Fixtures\DataFixtures\Loader\YamlManyToManyAuthorPeer::doSelect(new \Criteria(), $con);
+        $this->assertCount(1, $authors);
+        $this->assertInstanceOf('Propel\PropelBundle\Tests\Fixtures\DataFixtures\Loader\YamlManyToManyAuthor', $authors[0]);
+
+        $bookAuthors = \Propel\PropelBundle\Tests\Fixtures\DataFixtures\Loader\YamlManyToManyBookAuthorPeer::doSelect(new \Criteria(), $con);
+        $this->assertCount(1, $bookAuthors);
+        $this->assertInstanceOf('Propel\PropelBundle\Tests\Fixtures\DataFixtures\Loader\YamlManyToManyBookAuthor', $bookAuthors[0]);
+    }
 }
diff --git a/Tests/DataFixtures/TestCase.php b/Tests/DataFixtures/TestCase.php
index 6111db3..8a5e52a 100644
--- a/Tests/DataFixtures/TestCase.php
+++ b/Tests/DataFixtures/TestCase.php
@@ -22,6 +22,13 @@ class TestCase extends BaseTestCase
      */
     protected $con;
 
+    /**
+     * The list of created temp files to be removed.
+     *
+     * @var array
+     */
+    protected $tmpFiles = array();
+
     protected function setUp()
     {
         parent::setUp();
@@ -57,4 +64,32 @@ XML;
 
         $this->con = $builder->build();
     }
+
+    protected function tearDown()
+    {
+        foreach ($this->tmpFiles as $eachFile) {
+            @unlink($eachFile);
+        }
+
+        $this->tmpFiles = array();
+    }
+
+    /**
+     * Return the name of a created temporary file containing the given content.
+     *
+     * @param string $content
+     *
+     * @return string
+     */
+    protected function getTempFile($content = '')
+    {
+        $filename = tempnam(sys_get_temp_dir(), 'propelbundle-datafixtures-test');
+        @unlink($filename);
+
+        file_put_contents($filename, $content);
+
+        $this->tmpFiles[] = $filename;
+
+        return $filename;
+    }
 }