add query parser tests

src/XML/Literal.php

@@ -26,9 +26,23 @@ use Sabre\Xml\Reader;
 use Sabre\Xml\XmlDeserializable;
 
 class Literal implements XmlDeserializable {
-	/** @var string|boolean|\DateTime|integer */
+	/**
+	 * @var string|boolean|\DateTime|integer
+	 *
+	 * The value of the literal
+	 */
 	public $value;
 
+	/**
+	 * Literal constructor.
+	 *
+	 * @param bool|\DateTime|int|string $value
+	 */
+	public function __construct($value = '') {
+		$this->value = $value;
+	}
+
+
 	static function xmlDeserialize(Reader $reader) {
 		$literal = new self();
 

src/XML/Operator.php

@@ -58,6 +58,18 @@ class Operator implements XmlDeserializable {
 	 */
 	public $arguments;
 
+	/**
+	 * Operator constructor.
+	 *
+	 * @param string $type
+	 * @param array $arguments
+	 */
+	public function __construct($type = '', array $arguments = []) {
+		$this->type = $type;
+		$this->arguments = $arguments;
+	}
+
+
 	static function xmlDeserialize(Reader $reader) {
 		$operator = new self();
 

src/XML/Order.php

@@ -42,6 +42,17 @@ class Order implements XmlDeserializable {
 	 */
 	public $order;
 
+	/**
+	 * Order constructor.
+	 *
+	 * @param string $property
+	 * @param string $order
+	 */
+	public function __construct($property = '', $order = self::ASC) {
+		$this->property = $property;
+		$this->order = $order;
+	}
+
 	static function xmlDeserialize(Reader $reader) {
 		$order = new self();
 

src/XML/Scope.php

@@ -29,7 +29,8 @@ class Scope implements XmlDeserializable {
 	/**
 	 * @var string
 	 *
-	 * The absolute url of the search scope
+	 * The scope of the search, either as absolute uri or as a path relative to the
+	 * search arbiter.
 	 */
 	public $href;
 
@@ -42,6 +43,15 @@ class Scope implements XmlDeserializable {
 	 */
 	public $depth;
 
+	/**
+	 * @param string $href
+	 * @param int|string $depth
+	 */
+	public function __construct($href = '', $depth = 1) {
+		$this->href = $href;
+		$this->depth = $depth;
+	}
+
 	static function xmlDeserialize(Reader $reader) {
 		$scope = new self();