// Validate the schema of the returned data structure
$this->assertNotNull($results, 'A non-null result was returned from the fedora_repository_required_fedora_objects hook.');
$this->assertNotNull($results, 'A non-null result was returned from the fedora_repository_required_fedora_objects hook.');
$this->assertTrue(is_array($results), 'An array was returned from the fedora_repository_required_fedora_objects hook.');
$this->assertTrue(is_array($results), 'An array was returned from the fedora_repository_required_fedora_objects hook.');
$this->assertTrue(array_key_exists($this->getModuleShortFormName(), $results), "Returned array has top level key that is equal to the module's short form name");
$this->assertTrue(array_key_exists($this->getModuleShortFormName(), $results), "Returned array has top level key that is equal to the module's short form name");
$this->assertTrue(is_array($results[$this->getModuleShortFormName()]), "Value associated with top level key that is eqal to the module's short form name is an array");
$this->assertTrue(is_array($results[$this->getModuleShortFormName()]), "Value associated with top level key that is equal to the module's short form name is an array");
$this->assertTrue(array_key_exists('module', $results[$this->getModuleShortFormName()]), "Top level array has 'module' key");
$this->assertTrue(array_key_exists('module', $results[$this->getModuleShortFormName()]), "Top level array has 'module' key");
$this->assertEqual($results[$this->getModuleShortFormName()]['module'], $this->getModuleShortFormName(), "Value associated with 'module' key is equal to the module's short form name");
$this->assertEqual($results[$this->getModuleShortFormName()]['module'], $this->getModuleShortFormName(), "Value associated with 'module' key is equal to the module's short form name");
$this->assertTrue(array_key_exists('title', $results[$this->getModuleShortFormName()]), "Top level array has 'title' key");
$this->assertTrue($results[$this->getModuleShortFormName()]['title'], "Title string is not empty");
$this->assertTrue(array_key_exists('objects', $results[$this->getModuleShortFormName()]), "Returned array has second level key equal to 'object'");
$this->assertTrue(is_array($results[$this->getModuleShortFormName()]['objects']), "Value associated with second level 'object' key is an array");