better xml matcher, refactor comparators

composer.json

@@ -47,7 +47,8 @@
         "jms/serializer": "^2 | ^3.12",
         "symfony/phpunit-bridge": "^5.2",
         "symfony/serializer": "^5.2",
-        "symfony/property-access": "^5.2"
+        "symfony/property-access": "^5.2",
+        "php-mock/php-mock": "^2.3"
     },
     "provide": {
         "psr/http-client-implementation": "1.0",

src/Comparator/ComparatorInterface.php

@@ -0,0 +1,29 @@
+<?php
+
+/**
+ * PHP 7.3
+ *
+ * @category ComparatorInterface
+ * @package  Pock\Comparator
+ */
+
+namespace Pock\Comparator;
+
+/**
+ * Interface ComparatorInterface
+ *
+ * @category ComparatorInterface
+ * @package  Pock\Comparator
+ */
+interface ComparatorInterface
+{
+    /**
+     * Compare two values.
+     *
+     * @param mixed $first
+     * @param mixed $second
+     *
+     * @return bool
+     */
+    public function compare($first, $second): bool;
+}

src/Comparator/ComparatorLocator.php

@@ -0,0 +1,44 @@
+<?php
+
+/**
+ * PHP 7.3
+ *
+ * @category ComparatorLocator
+ * @package  Pock\Comparator
+ */
+
+namespace Pock\Comparator;
+
+use RuntimeException;
+
+/**
+ * Class ComparatorLocator
+ *
+ * @category ComparatorLocator
+ * @package  Pock\Comparator
+ */
+class ComparatorLocator
+{
+    /** @var \Pock\Comparator\ComparatorInterface[] */
+    private static $comparators = [];
+
+    /**
+     * Returns comparator.
+     *
+     * @param string $fqn
+     *
+     * @return \Pock\Comparator\ComparatorInterface
+     */
+    public static function get(string $fqn): ComparatorInterface
+    {
+        if (!class_exists($fqn)) {
+            throw new RuntimeException('Comparator ' . $fqn . ' does not exist.');
+        }
+
+        if (!array_key_exists($fqn, static::$comparators)) {
+            static::$comparators[$fqn] = new $fqn();
+        }
+
+        return static::$comparators[$fqn];
+    }
+}

src/Comparator/LtrScalarArrayComparator.php

@@ -0,0 +1,53 @@
+<?php
+
+/**
+ * PHP 7.3
+ *
+ * @category LtrScalarArrayComparator
+ * @package  Pock\Comparator
+ */
+
+namespace Pock\Comparator;
+
+/**
+ * Class LtrScalarArrayComparator
+ *
+ * @category LtrScalarArrayComparator
+ * @package  Pock\Comparator
+ */
+class LtrScalarArrayComparator implements ComparatorInterface
+{
+    /**
+     * @inheritDoc
+     */
+    public function compare($first, $second): bool
+    {
+        if (!is_array($first) || !is_array($second)) {
+            return false;
+        }
+
+        return static::isNeedlePresentInHaystack($first, $second);
+    }
+
+    /**
+     * Returns true if all needle values is present in haystack.
+     * Doesn't work for multidimensional arrays.
+     *
+     * @phpstan-ignore-next-line
+     * @param array $needle
+     * @phpstan-ignore-next-line
+     * @param array $haystack
+     *
+     * @return bool
+     */
+    protected static function isNeedlePresentInHaystack(array $needle, array $haystack): bool
+    {
+        foreach ($needle as $value) {
+            if (!in_array($value, $haystack, true)) {
+                return false;
+            }
+        }
+
+        return true;
+    }
+}

src/Comparator/RecursiveArrayComparator.php

@@ -0,0 +1,64 @@
+<?php
+
+/**
+ * PHP 7.3
+ *
+ * @category RecursiveArrayComparator
+ * @package  Pock\Comparator
+ */
+
+namespace Pock\Comparator;
+
+/**
+ * Class RecursiveArrayComparator
+ *
+ * @category RecursiveArrayComparator
+ * @package  Pock\Comparator
+ */
+class RecursiveArrayComparator implements ComparatorInterface
+{
+    /**
+     * @inheritDoc
+     */
+    public function compare($first, $second): bool
+    {
+        if (!is_array($first) || !is_array($second)) {
+            return false;
+        }
+
+        return static::recursiveCompareArrays($first, $second);
+    }
+
+    /**
+     * Returns true if both arrays are equal recursively.
+     *
+     * @phpstan-ignore-next-line
+     * @param array $first
+     * @phpstan-ignore-next-line
+     * @param array $second
+     *
+     * @return bool
+     */
+    protected static function recursiveCompareArrays(array $first, array $second): bool
+    {
+        if (count($first) !== count($second)) {
+            return false;
+        }
+
+        if (!empty(array_diff(array_keys($first), array_keys($second)))) {
+            return false;
+        }
+
+        foreach ($first as $key => $value) {
+            if (is_array($value) && !self::recursiveCompareArrays($value, $second[$key])) {
+                return false;
+            }
+
+            if ($value !== $second[$key]) {
+                return false;
+            }
+        }
+
+        return true;
+    }
+}

src/Comparator/RecursiveLtrArrayComparator.php

@@ -0,0 +1,61 @@
+<?php
+
+/**
+ * PHP 7.3
+ *
+ * @category RecursiveLtrArrayComparator
+ * @package  Pock\Comparator
+ */
+
+namespace Pock\Comparator;
+
+/**
+ * Class RecursiveLtrArrayComparator
+ *
+ * @category RecursiveLtrArrayComparator
+ * @package  Pock\Comparator
+ */
+class RecursiveLtrArrayComparator extends RecursiveArrayComparator
+{
+    /**
+     * @inheritDoc
+     */
+    public function compare($first, $second): bool
+    {
+        if (!is_array($first) || !is_array($second)) {
+            return false;
+        }
+
+        return static::recursiveNeedlePresentInHaystack($first, $second);
+    }
+
+    /**
+     * Returns true if all needle values is present in haystack.
+     * Works for multidimensional arrays. Internal arrays will be treated as values (e.g. will be compared recursively).
+     *
+     * @phpstan-ignore-next-line
+     * @param array $needle
+     * @phpstan-ignore-next-line
+     * @param array $haystack
+     *
+     * @return bool
+     */
+    protected static function recursiveNeedlePresentInHaystack(array $needle, array $haystack): bool
+    {
+        if (!empty(array_diff(array_keys($needle), array_keys($haystack)))) {
+            return false;
+        }
+
+        foreach ($needle as $key => $value) {
+            if (is_array($value) && !self::recursiveCompareArrays($value, $haystack[$key])) {
+                return false;
+            }
+
+            if ($value !== $haystack[$key]) {
+                return false;
+            }
+        }
+
+        return true;
+    }
+}

src/Comparator/ScalarFlatArrayComparator.php

@@ -0,0 +1,47 @@
+<?php
+
+/**
+ * PHP 7.3
+ *
+ * @category ScalarFlatArrayComparator
+ * @package  Pock\Comparator
+ */
+
+namespace Pock\Comparator;
+
+/**
+ * Class ScalarFlatArrayComparator
+ *
+ * @category ScalarFlatArrayComparator
+ * @package  Pock\Comparator
+ */
+class ScalarFlatArrayComparator implements ComparatorInterface
+{
+    /**
+     * @inheritDoc
+     */
+    public function compare($first, $second): bool
+    {
+        if (!is_array($first) || !is_array($second)) {
+            return false;
+        }
+
+        return static::compareScalarFlatArrays($first, $second);
+    }
+
+    /**
+     * Returns true if two one-dimensional string arrays are equal.
+     *
+     * @phpstan-ignore-next-line
+     * @param array $first
+     * @phpstan-ignore-next-line
+     * @param array $second
+     *
+     * @return bool
+     */
+    protected static function compareScalarFlatArrays(array $first, array $second): bool
+    {
+        return count($first) === count($second) &&
+            array_diff($first, $second) === array_diff($second, $first);
+    }
+}

src/Matchers/AbstractArrayPoweredComponent.php

@@ -1,120 +0,0 @@
-<?php
-
-/**
- * PHP 7.1
- *
- * @category AbstractArrayPoweredComponent
- * @package  Pock\Matchers
- */
-
-namespace Pock\Matchers;
-
-/**
- * Class AbstractArrayPoweredComponent
- *
- * @category AbstractArrayPoweredComponent
- * @package  Pock\Matchers
- */
-abstract class AbstractArrayPoweredComponent
-{
-    /**
-     * Returns true if both arrays are equal recursively.
-     *
-     * @phpstan-ignore-next-line
-     * @param array $first
-     * @phpstan-ignore-next-line
-     * @param array $second
-     *
-     * @return bool
-     */
-    protected static function recursiveCompareArrays(array $first, array $second): bool
-    {
-        if (count($first) !== count($second)) {
-            return false;
-        }
-
-        if (!empty(array_diff(array_keys($first), array_keys($second)))) {
-            return false;
-        }
-
-        foreach ($first as $key => $value) {
-            if (is_array($value) && !self::recursiveCompareArrays($value, $second[$key])) {
-                return false;
-            }
-
-            if ($value !== $second[$key]) {
-                return false;
-            }
-        }
-
-        return true;
-    }
-
-    /**
-     * Returns true if two one-dimensional string arrays are equal.
-     *
-     * @phpstan-ignore-next-line
-     * @param array $first
-     * @phpstan-ignore-next-line
-     * @param array $second
-     *
-     * @return bool
-     */
-    protected static function compareStringArrays(array $first, array $second): bool
-    {
-        return count($first) === count($second) &&
-            array_diff($first, $second) === array_diff($second, $first);
-    }
-
-    /**
-     * Returns true if all needle values is present in haystack.
-     * Doesn't work for multidimensional arrays.
-     *
-     * @phpstan-ignore-next-line
-     * @param array $needle
-     * @phpstan-ignore-next-line
-     * @param array $haystack
-     *
-     * @return bool
-     */
-    protected static function isNeedlePresentInHaystack(array $needle, array $haystack): bool
-    {
-        foreach ($needle as $value) {
-            if (!in_array($value, $haystack, true)) {
-                return false;
-            }
-        }
-
-        return true;
-    }
-
-    /**
-     * Returns true if all needle values is present in haystack.
-     * Works for multidimensional arrays. Internal arrays will be treated as values (e.g. will be compared recursively).
-     *
-     * @phpstan-ignore-next-line
-     * @param array $needle
-     * @phpstan-ignore-next-line
-     * @param array $haystack
-     *
-     * @return bool
-     */
-    protected static function recursiveNeedlePresentInHaystack(array $needle, array $haystack): bool
-    {
-        if (!empty(array_diff(array_keys($needle), array_keys($haystack)))) {
-            return false;
-        }
-
-        foreach ($needle as $key => $value) {
-            if (is_array($value) && !self::recursiveCompareArrays($value, $haystack[$key])) {
-                return false;
-            }
-
-            if ($value !== $haystack[$key]) {
-                return false;
-            }
-        }
-
-        return true;
-    }
-}

src/Matchers/AbstractSerializedBodyMatcher.php

@@ -9,6 +9,8 @@
 
 namespace Pock\Matchers;
 
+use Pock\Comparator\ComparatorLocator;
+use Pock\Comparator\RecursiveArrayComparator;
 use Pock\Traits\SeekableStreamDataExtractor;
 use Psr\Http\Message\RequestInterface;
 
@@ -18,7 +20,7 @@ use Psr\Http\Message\RequestInterface;
  * @category AbstractSerializedBodyMatcher
  * @package  Pock\Matchers
  */
-abstract class AbstractSerializedBodyMatcher extends AbstractArrayPoweredComponent implements RequestMatcherInterface
+abstract class AbstractSerializedBodyMatcher implements RequestMatcherInterface
 {
     use SeekableStreamDataExtractor;
 
@@ -54,7 +56,7 @@ abstract class AbstractSerializedBodyMatcher extends AbstractArrayPoweredCompone
             return false;
         }
 
-        return self::recursiveCompareArrays($bodyData, $this->data);
+        return ComparatorLocator::get(RecursiveArrayComparator::class)->compare($bodyData, $this->data);
     }
 
     /**

src/Matchers/BodyMatcher.php

@@ -33,17 +33,7 @@ class BodyMatcher implements RequestMatcherInterface
      */
     public function __construct($contents)
     {
-        if (is_string($contents)) {
-            $this->contents = $contents;
-        }
-
-        if ($contents instanceof StreamInterface) {
-            $this->contents = static::getStreamData($contents);
-        }
-
-        if (is_resource($contents)) {
-            $this->contents = static::readAllResource($contents);
-        }
+        $this->contents = static::getEntryItemData($contents);
     }
 
     /**
@@ -70,4 +60,24 @@ class BodyMatcher implements RequestMatcherInterface
         fseek($resource, 0);
         return (string) stream_get_contents($resource);
     }
+
+    /**
+     * @param StreamInterface|resource|string $contents
+     *
+     * @return string
+     */
+    protected static function getEntryItemData($contents): string
+    {
+        if (is_string($contents)) {
+            return $contents;
+        }
+
+        if ($contents instanceof StreamInterface) {
+            return static::getStreamData($contents);
+        }
+
+        if (is_resource($contents)) {
+            return static::readAllResource($contents);
+        }
+    }
 }

src/Matchers/ExactHeaderMatcher.php

@@ -9,6 +9,8 @@
 
 namespace Pock\Matchers;
 
+use Pock\Comparator\ComparatorLocator;
+use Pock\Comparator\ScalarFlatArrayComparator;
 use Psr\Http\Message\RequestInterface;
 
 /**
@@ -28,6 +30,7 @@ class ExactHeaderMatcher extends HeaderMatcher
             return false;
         }
 
-        return self::compareStringArrays($request->getHeader($this->header), $this->value);
+        return ComparatorLocator::get(ScalarFlatArrayComparator::class)
+            ->compare($request->getHeader($this->header), $this->value);
     }
 }

src/Matchers/ExactQueryMatcher.php

@@ -9,6 +9,8 @@
 
 namespace Pock\Matchers;
 
+use Pock\Comparator\ComparatorLocator;
+use Pock\Comparator\RecursiveArrayComparator;
 use Psr\Http\Message\RequestInterface;
 
 /**
@@ -30,6 +32,6 @@ class ExactQueryMatcher extends QueryMatcher
             return false;
         }
 
-        return self::recursiveCompareArrays($this->query, $query);
+        return ComparatorLocator::get(RecursiveArrayComparator::class)->compare($this->query, $query);
     }
 }

src/Matchers/HeaderMatcher.php

@@ -9,6 +9,8 @@
 
 namespace Pock\Matchers;
 
+use Pock\Comparator\ComparatorLocator;
+use Pock\Comparator\LtrScalarArrayComparator;
 use Psr\Http\Message\RequestInterface;
 
 /**
@@ -17,7 +19,7 @@ use Psr\Http\Message\RequestInterface;
  * @category HeaderMatcher
  * @package  Pock\Matchers
  */
-class HeaderMatcher extends AbstractArrayPoweredComponent implements RequestMatcherInterface
+class HeaderMatcher implements RequestMatcherInterface
 {
     /** @var string */
     protected $header;
@@ -51,6 +53,7 @@ class HeaderMatcher extends AbstractArrayPoweredComponent implements RequestMatc
             return false;
         }
 
-        return self::isNeedlePresentInHaystack($this->value, $request->getHeader($this->header));
+        return ComparatorLocator::get(LtrScalarArrayComparator::class)
+            ->compare($this->value, $request->getHeader($this->header));
     }
 }

src/Matchers/HeadersMatcher.php

@@ -9,6 +9,8 @@
 
 namespace Pock\Matchers;
 
+use Pock\Comparator\ComparatorLocator;
+use Pock\Comparator\LtrScalarArrayComparator;
 use Psr\Http\Message\RequestInterface;
 
 /**
@@ -17,7 +19,7 @@ use Psr\Http\Message\RequestInterface;
  * @category HeadersMatcher
  * @package  Pock\Matchers
  */
-class HeadersMatcher extends AbstractArrayPoweredComponent implements RequestMatcherInterface
+class HeadersMatcher implements RequestMatcherInterface
 {
     /** @var array<string, string|string[]> */
     protected $headers;
@@ -48,7 +50,7 @@ class HeadersMatcher extends AbstractArrayPoweredComponent implements RequestMat
                 $value = [$value];
             }
 
-            if (!static::isNeedlePresentInHaystack($value, $request->getHeader($name))) {
+            if (!ComparatorLocator::get(LtrScalarArrayComparator::class)->compare($value, $request->getHeader($name))) {
                 return false;
             }
         }

src/Matchers/QueryMatcher.php

@@ -9,8 +9,9 @@
 
 namespace Pock\Matchers;
 
+use Pock\Comparator\ComparatorLocator;
+use Pock\Comparator\RecursiveLtrArrayComparator;
 use Psr\Http\Message\RequestInterface;
-use Psr\Http\Message\UriInterface;
 
 /**
  * Class QueryMatcher
@@ -18,7 +19,7 @@ use Psr\Http\Message\UriInterface;
  * @category QueryMatcher
  * @package  Pock\Matchers
  */
-class QueryMatcher extends AbstractArrayPoweredComponent implements RequestMatcherInterface
+class QueryMatcher implements RequestMatcherInterface
 {
     /** @var array<string, mixed> */
     protected $query;
@@ -44,7 +45,7 @@ class QueryMatcher extends AbstractArrayPoweredComponent implements RequestMatch
             return false;
         }
 
-        return self::recursiveNeedlePresentInHaystack($this->query, $query);
+        return ComparatorLocator::get(RecursiveLtrArrayComparator::class)->compare($this->query, $query);
     }
 
     /**

src/Matchers/XmlBodyMatcher.php

@@ -0,0 +1,194 @@
+<?php
+
+/**
+ * PHP 7.3
+ *
+ * @category XmlBodyMatcher
+ * @package  Pock\Matchers
+ */
+
+namespace Pock\Matchers;
+
+use DOMDocument;
+use Pock\Exception\XmlException;
+use Throwable;
+use XSLTProcessor;
+use Pock\Traits\SeekableStreamDataExtractor;
+use Psr\Http\Message\RequestInterface;
+use RuntimeException;
+
+/**
+ * Class XmlBodyMatcher
+ *
+ * @category XmlBodyMatcher
+ * @package  Pock\Matchers
+ */
+class XmlBodyMatcher extends BodyMatcher
+{
+    use SeekableStreamDataExtractor;
+
+    private const TAG_SORT_XSLT = <<<EOT
+<xsl:stylesheet version="1.0"
+ xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
+ <xsl:output omit-xml-declaration="yes" indent="yes"/>
+ <xsl:strip-space elements="*"/>
+ <xsl:template match="node()|@*">
+  <xsl:copy>
+   <xsl:apply-templates select="@*">
+    <xsl:sort select="name()"/>
+   </xsl:apply-templates>
+   <xsl:apply-templates select="node()">
+    <xsl:sort select="name()"/>
+   </xsl:apply-templates>
+  </xsl:copy>
+ </xsl:template>
+</xsl:stylesheet>
+EOT;
+
+    /** @var XSLTProcessor|null */
+    private static $sorter;
+
+    /** @var bool */
+    private $useFallback;
+
+    /**
+     * XmlBodyMatcher constructor.
+     *
+     * @param DOMDocument|\Psr\Http\Message\StreamInterface|resource|string $referenceXml
+     *
+     * @throws \Pock\Exception\XmlException
+     */
+    public function __construct($referenceXml)
+    {
+        if (!extension_loaded('xsl') || !extension_loaded('dom')) {
+            $this->useFallback = true;
+        }
+
+        if (!extension_loaded('xsl')) {
+            $this->useFallback = true;
+
+            if (extension_loaded('dom') && $referenceXml instanceof DOMDocument) {
+                $referenceXml = static::getDOMString($referenceXml);
+            }
+
+            parent::__construct($referenceXml); // @phpstan-ignore-line
+
+            return;
+        }
+
+        if ($referenceXml instanceof DOMDocument) {
+            parent::__construct(static::sortXmlTags($referenceXml));
+
+            return;
+        }
+
+        parent::__construct(static::sortXmlTags(
+            static::createDOMDocument(static::getEntryItemData($referenceXml))
+        ));
+    }
+
+    /**
+     * @inheritDoc
+     */
+    public function matches(RequestInterface $request): bool
+    {
+        if ($this->useFallback) {
+            return parent::matches($request);
+        }
+
+        if (0 === $request->getBody()->getSize()) {
+            return '' === $this->contents;
+        }
+
+        return self::sortXmlTags(self::createDOMDocument(self::getStreamData($request->getBody()))) === $this->contents;
+    }
+
+    /**
+     * Returns new document with tags sorted alphabetically.
+     *
+     * @param \DOMDocument $document
+     *
+     * @return string
+     * @throws \RuntimeException|\Pock\Exception\XmlException
+     */
+    private static function sortXmlTags(DOMDocument $document): string
+    {
+        $xml = static::getSorter()->transformToXml($document);
+
+        if (false === $xml) {
+            throw new RuntimeException('Cannot sort XML nodes');
+        }
+
+        return $xml;
+    }
+
+    /**
+     * Returns XSLTProcessor with XSLT which sorts tags alphabetically.
+     *
+     * @return \XSLTProcessor
+     * @throws \Pock\Exception\XmlException
+     */
+    private static function getSorter(): XSLTProcessor
+    {
+        if (null === static::$sorter) {
+            static::$sorter = new XSLTProcessor();
+            static::$sorter->importStylesheet(static::createDOMDocument(static::TAG_SORT_XSLT));
+        }
+
+        return static::$sorter;
+    }
+
+    /**
+     * Create DOMDocument with provided XML string.
+     *
+     * @param string $xml
+     * @param string $version
+     * @param string $encoding
+     *
+     * @return \DOMDocument
+     * @throws \Pock\Exception\XmlException
+     */
+    private static function createDOMDocument(string $xml, string $version = '1.0', string $encoding = ''): DOMDocument
+    {
+        if ('' === $xml) {
+            throw new XmlException('XML must not be empty.');
+        }
+
+        $error = null;
+        $document = new DOMDocument($version, $encoding);
+
+        try {
+            set_error_handler(static function ($code, $message) {
+                throw new XmlException($message, $code);
+            });
+            $document->loadXML(trim($xml));
+        } catch (XmlException $exception) {
+            $error = $exception;
+        } finally {
+            restore_error_handler();
+        }
+
+        if (null !== $error) {
+            throw $error;
+        }
+
+        return $document;
+    }
+
+    /**
+     * @param \DOMDocument $document
+     *
+     * @return string
+     * @throws \Pock\Exception\XmlException
+     */
+    private static function getDOMString(DOMDocument $document): string
+    {
+        $result = $document->saveXML();
+
+        if (false === $result) {
+            throw new XmlException('Cannot export XML.');
+        }
+
+        return $result;
+    }
+}

src/PockBuilder.php

@@ -10,11 +10,13 @@
 namespace Pock;
 
 use Diff\ArrayComparer\StrictArrayComparer;
+use DOMDocument;
 use Pock\Enum\RequestMethod;
 use Pock\Enum\RequestScheme;
 use Pock\Exception\PockClientException;
 use Pock\Exception\PockNetworkException;
 use Pock\Exception\PockRequestException;
+use Pock\Exception\XmlException;
 use Pock\Factory\CallbackReplyFactory;
 use Pock\Factory\ReplyFactoryInterface;
 use Pock\Matchers\AnyRequestMatcher;
@@ -36,6 +38,7 @@ use Pock\Matchers\QueryMatcher;
 use Pock\Matchers\RequestMatcherInterface;
 use Pock\Matchers\SchemeMatcher;
 use Pock\Matchers\UriMatcher;
+use Pock\Matchers\XmlBodyMatcher;
 use Pock\Traits\JsonDecoderTrait;
 use Pock\Traits\JsonSerializerAwareTrait;
 use Pock\Traits\XmlSerializerAwareTrait;
@@ -286,21 +289,38 @@ class PockBuilder
         ));
     }
 
+    /**
+     * Match XML request body using raw XML data.
+     *
+     * **Note:** this method will fallback to the string comparison if ext-xsl is not available.
+     * It also doesn't serializer values with available XML serializer.
+     * Use PockBuilder::matchSerializedXmlBody if you want to execute available serializer.
+     *
+     * @see \Pock\PockBuilder::matchSerializedXmlBody()
+     *
+     * @param DOMDocument|\Psr\Http\Message\StreamInterface|resource|string $data
+     *
+     * @return self
+     */
+    public function matchXmlBody($data): self
+    {
+        return $this->addMatcher(new XmlBodyMatcher($data));
+    }
+
     /**
      * Match XML request body.
      *
-     * **Note:** this method will use string comparison for now. It'll be improved in future.
+     * This method will try to use available XML serializer before matching.
      *
-     * @todo Don't use simple string comparison. Match the entire body by its DOM.
-     *
-     * @param mixed $data
+     * @phpstan-ignore-next-line
+     * @param string|array|object $data
      *
      * @return self
      * @throws \Pock\Exception\XmlException
      */
-    public function matchXmlBody($data): self
+    public function matchSerializedXmlBody($data): self
     {
-        return $this->matchBody(self::serializeXml($data) ?? '');
+        return $this->matchXmlBody(self::serializeXml($data) ?? '');
     }
 
     /**

tests/src/Comparator/ComparatorLocatorTest.php

@@ -0,0 +1,48 @@
+<?php
+
+/**
+ * PHP 7.3
+ *
+ * @category ComparatorLocatorTest
+ * @package  Pock\Tests\Comparator
+ */
+
+namespace Pock\Tests\Comparator;
+
+use PHPUnit\Framework\TestCase;
+use Pock\Comparator\ComparatorLocator;
+use Pock\Comparator\LtrScalarArrayComparator;
+use Pock\Comparator\RecursiveArrayComparator;
+use Pock\Comparator\RecursiveLtrArrayComparator;
+use Pock\Comparator\ScalarFlatArrayComparator;
+use RuntimeException;
+
+/**
+ * Class ComparatorLocatorTest
+ *
+ * @category ComparatorLocatorTest
+ * @package  Pock\Tests\Comparator
+ */
+class ComparatorLocatorTest extends TestCase
+{
+    public function testGetException(): void
+    {
+        $this->expectException(RuntimeException::class);
+        $this->expectExceptionMessage('Comparator random does not exist.');
+
+        ComparatorLocator::get('random');
+    }
+
+    public function testGet(): void
+    {
+        $comparator = ComparatorLocator::get(ScalarFlatArrayComparator::class);
+
+        self::assertInstanceOf(ScalarFlatArrayComparator::class, $comparator);
+        self::assertTrue($comparator->compare(['1'], ['1']));
+        self::assertFalse($comparator->compare(['1'], ['2']));
+        self::assertFalse($comparator->compare(null, null));
+        self::assertFalse(ComparatorLocator::get(LtrScalarArrayComparator::class)->compare(null, null));
+        self::assertFalse(ComparatorLocator::get(RecursiveArrayComparator::class)->compare(null, null));
+        self::assertFalse(ComparatorLocator::get(RecursiveLtrArrayComparator::class)->compare(null, null));
+    }
+}

tests/src/Matchers/XmlBodyMatcherTest.php

@@ -0,0 +1,62 @@
+<?php
+
+/**
+ * PHP 7.3
+ *
+ * @category XmlBodyMatcherTest
+ * @package  Pock\Tests\Matchers
+ */
+
+namespace Pock\Tests\Matchers;
+
+use Pock\Matchers\XmlBodyMatcher;
+use Pock\TestUtils\PockTestCase;
+
+/**
+ * Class XmlBodyMatcherTest
+ *
+ * @category XmlBodyMatcherTest
+ * @package  Pock\Tests\Matchers
+ */
+class XmlBodyMatcherTest extends PockTestCase
+{
+    public function testEmptyXml(): void
+    {
+        $this->expectExceptionMessage('XML must not be empty.');
+        new XmlBodyMatcher('');
+    }
+
+    public function testInvalidXml(): void
+    {
+        $brokenXml = <<<'EOF'
+<?xml version="1.0" encoding="UTF-8"?>
+<result>
+  <field><![CDATA[test]></field>
+</result>
+EOF;
+
+        $this->expectExceptionMessage('DOMDocument::loadXML(): CData section not finished');
+        new XmlBodyMatcher($brokenXml);
+    }
+
+    public function testMatchXml(): void
+    {
+        $expected = <<<'EOF'
+<?xml version="1.0" encoding="UTF-8"?>
+<result>
+  <field key="2" id="1"><![CDATA[test]]></field>
+</result>
+EOF;
+        $actual = <<<'EOF'
+<?xml version="1.0" encoding="UTF-8"?>
+
+<result>
+  <field id="1" key="2">
+    <![CDATA[test]]>
+  </field>
+</result>
+EOF;
+
+        self::assertTrue((new XmlBodyMatcher($expected))->matches(static::getRequestWithBody($actual)));
+    }
+}

tests/src/PockBuilderTest.php

@@ -9,10 +9,11 @@
 
 namespace Pock\Tests;
 
+use DOMDocument;
+use phpmock\MockBuilder;
 use Pock\Enum\RequestMethod;
 use Pock\Enum\RequestScheme;
 use Pock\Exception\UnsupportedRequestException;
-use Pock\Factory\ReplyFactoryInterface;
 use Pock\PockBuilder;
 use Pock\PockResponseBuilder;
 use Pock\TestUtils\PockTestCase;
@@ -22,7 +23,6 @@ use Psr\Http\Client\ClientExceptionInterface;
 use Psr\Http\Client\NetworkExceptionInterface;
 use Psr\Http\Client\RequestExceptionInterface;
 use Psr\Http\Message\RequestInterface;
-use Psr\Http\Message\ResponseInterface;
 use RuntimeException;
 
 /**
@@ -85,6 +85,23 @@ class PockBuilderTest extends PockTestCase
         );
     }
 
+    public function testThrowRequestExceptionGetRequest(): void
+    {
+        $builder = new PockBuilder();
+        $request = self::getPsr17Factory()->createRequest(RequestMethod::GET, self::TEST_URI);
+
+        $builder->matchMethod(RequestMethod::GET)
+            ->matchScheme(RequestScheme::HTTPS)
+            ->matchHost(self::TEST_HOST)
+            ->throwRequestException();
+
+        try {
+            $builder->getClient()->sendRequest($request);
+        } catch (RequestExceptionInterface $exception) {
+            self::assertEquals($request, $exception->getRequest());
+        }
+    }
+
     public function testMatchHeader(): void
     {
         $builder = new PockBuilder();
@@ -305,7 +322,124 @@ class PockBuilderTest extends PockTestCase
         ], json_decode($response->getBody()->getContents(), true));
     }
 
-    public function testXmlResponse(): void
+    public function testMatchXmlString(): void
+    {
+        $xml = <<<'EOF'
+<?xml version="1.0" encoding="UTF-8"?>
+<result>
+  <entry><![CDATA[Forbidden]]></entry>
+</result>
+
+EOF;
+        $simpleObject = <<<'EOF'
+<?xml version="1.0" encoding="UTF-8"?>
+<result>
+  <field><![CDATA[test]]></field>
+</result>
+EOF;
+
+        $builder = new PockBuilder();
+        $builder->matchMethod(RequestMethod::GET)
+            ->matchScheme(RequestScheme::HTTPS)
+            ->matchHost(self::TEST_HOST)
+            ->matchXmlBody($simpleObject)
+            ->repeat(2)
+            ->reply(403)
+            ->withHeader('Content-Type', 'text/xml')
+            ->withXml(['error' => 'Forbidden']);
+
+        $response = $builder->getClient()->sendRequest(
+            self::getPsr17Factory()
+                ->createRequest(RequestMethod::GET, self::TEST_URI)
+                ->withBody(self::getPsr17Factory()->createStream($simpleObject))
+        );
+
+        self::assertEquals(403, $response->getStatusCode());
+        self::assertEquals(['Content-Type' => ['text/xml']], $response->getHeaders());
+        self::assertEquals($xml, $response->getBody()->getContents());
+    }
+
+    public function testMatchXmlStream(): void
+    {
+        $xml = <<<'EOF'
+<?xml version="1.0" encoding="UTF-8"?>
+<result>
+  <entry><![CDATA[Forbidden]]></entry>
+</result>
+
+EOF;
+        $simpleObject = <<<'EOF'
+<?xml version="1.0" encoding="UTF-8"?>
+<result>
+  <field><![CDATA[test]]></field>
+</result>
+EOF;
+
+        $builder = new PockBuilder();
+        $builder->matchMethod(RequestMethod::GET)
+            ->matchScheme(RequestScheme::HTTPS)
+            ->matchHost(self::TEST_HOST)
+            ->matchXmlBody(self::getPsr17Factory()->createStream($simpleObject))
+            ->repeat(2)
+            ->reply(403)
+            ->withHeader('Content-Type', 'text/xml')
+            ->withXml(['error' => 'Forbidden']);
+
+        $response = $builder->getClient()->sendRequest(
+            self::getPsr17Factory()
+                ->createRequest(RequestMethod::GET, self::TEST_URI)
+                ->withBody(self::getPsr17Factory()->createStream($simpleObject))
+        );
+
+        self::assertEquals(403, $response->getStatusCode());
+        self::assertEquals(['Content-Type' => ['text/xml']], $response->getHeaders());
+        self::assertEquals($xml, $response->getBody()->getContents());
+    }
+
+    public function testMatchXmlDOMDocument(): void
+    {
+        $xml = <<<'EOF'
+<?xml version="1.0" encoding="UTF-8"?>
+<result>
+  <entry><![CDATA[Forbidden]]></entry>
+</result>
+
+EOF;
+        $simpleObject = <<<'EOF'
+<?xml version="1.0" encoding="UTF-8"?>
+<result>
+  <field><![CDATA[test]]></field>
+</result>
+EOF;
+
+        $document = new DOMDocument();
+        $document->loadXML($simpleObject);
+
+        $builder = new PockBuilder();
+        $builder->matchMethod(RequestMethod::GET)
+            ->matchScheme(RequestScheme::HTTPS)
+            ->matchHost(self::TEST_HOST)
+            ->matchXmlBody($document)
+            ->repeat(2)
+            ->reply(403)
+            ->withHeader('Content-Type', 'text/xml')
+            ->withXml(['error' => 'Forbidden']);
+
+        $response = $builder->getClient()->sendRequest(
+            self::getPsr17Factory()
+                ->createRequest(RequestMethod::GET, self::TEST_URI)
+                ->withBody(self::getPsr17Factory()->createStream($simpleObject))
+        );
+
+        self::assertEquals(403, $response->getStatusCode());
+        self::assertEquals(['Content-Type' => ['text/xml']], $response->getHeaders());
+        self::assertEquals($xml, $response->getBody()->getContents());
+    }
+
+    /**
+     * @dataProvider matchXmlNoXslProvider
+     */
+    public function testMatchXmlNoXsl(string $simpleObject, bool $expectException): void
     {
         $xml = <<<'EOF'
 <?xml version="1.0" encoding="UTF-8"?>
@@ -315,11 +449,77 @@ class PockBuilderTest extends PockTestCase
 
 EOF;
 
+        if ($expectException) {
+            $this->expectException(UnsupportedRequestException::class);
+        }
+
+        $mock = (new MockBuilder())->setNamespace('Pock\Matchers')
+            ->setName('extension_loaded')
+            ->setFunction(
+                static function (string $extension) {
+                    if ('xsl' === $extension) {
+                        return false;
+                    }
+
+                    return \extension_loaded($extension);
+                }
+            )->build();
+        $mock->enable();
+
+        $document = new DOMDocument();
+        $document->loadXML($simpleObject);
+
         $builder = new PockBuilder();
         $builder->matchMethod(RequestMethod::GET)
             ->matchScheme(RequestScheme::HTTPS)
             ->matchHost(self::TEST_HOST)
-            ->matchXmlBody(new SimpleObject())
+            ->matchXmlBody($document)
+            ->repeat(2)
+            ->reply(403)
+            ->withHeader('Content-Type', 'text/xml')
+            ->withXml(['error' => 'Forbidden']);
+
+        $mock->disable();
+
+        $response = $builder->getClient()->sendRequest(
+            self::getPsr17Factory()
+                ->createRequest(RequestMethod::GET, self::TEST_URI)
+                ->withBody(self::getPsr17Factory()->createStream($simpleObject))
+        );
+
+        self::assertEquals(403, $response->getStatusCode());
+        self::assertEquals(['Content-Type' => ['text/xml']], $response->getHeaders());
+        self::assertEquals($xml, $response->getBody()->getContents());
+    }
+
+    public function testSerializedXmlResponse(): void
+    {
+        $xml = <<<'EOF'
+<?xml version="1.0" encoding="UTF-8"?>
+<result>
+  <entry><![CDATA[Forbidden]]></entry>
+</result>
+
+EOF;
+        $simpleObjectFreeFormXml = <<<'EOF'
+<?xml version="1.0" encoding="UTF-8"?>
+
+<result>
+
+  <field>
+    <![CDATA[test]]>
+    
+    </field>
+  
+</result>
+EOF;
+
+        $builder = new PockBuilder();
+        $builder->matchMethod(RequestMethod::GET)
+            ->matchScheme(RequestScheme::HTTPS)
+            ->matchHost(self::TEST_HOST)
+            ->matchSerializedXmlBody(new SimpleObject())
+            ->repeat(2)
             ->reply(403)
             ->withHeader('Content-Type', 'text/xml')
             ->withXml(['error' => 'Forbidden']);
@@ -328,13 +528,23 @@ EOF;
             self::getPsr17Factory()
                 ->createRequest(RequestMethod::GET, self::TEST_URI)
                 ->withBody(self::getPsr17Factory()->createStream(
-                    self::getXmlSerializer()->serialize(new SimpleObject())
+                    PHP_EOL . self::getXmlSerializer()->serialize(new SimpleObject()) . PHP_EOL
                 ))
         );
 
         self::assertEquals(403, $response->getStatusCode());
         self::assertEquals(['Content-Type' => ['text/xml']], $response->getHeaders());
         self::assertEquals($xml, $response->getBody()->getContents());
+
+        $response = $builder->getClient()->sendRequest(
+            self::getPsr17Factory()
+                ->createRequest(RequestMethod::GET, self::TEST_URI)
+                ->withBody(self::getPsr17Factory()->createStream($simpleObjectFreeFormXml))
+        );
+
+        self::assertEquals(403, $response->getStatusCode());
+        self::assertEquals(['Content-Type' => ['text/xml']], $response->getHeaders());
+        self::assertEquals($xml, $response->getBody()->getContents());
     }
 
     public function testFirstExampleApiMock(): void
@@ -649,4 +859,18 @@ EOF;
              self::TEST_URI
          ));
     }
+
+    public function matchXmlNoXslProvider(): array
+    {
+        $simpleObject = <<<'EOF'
+<?xml version="1.0" encoding="UTF-8"?>
+<result>
+  <field><![CDATA[test]]></field>
+</result>
+EOF;
+        return [
+            [$simpleObject, true],
+            [$simpleObject . "\n", false]
+        ];
+    }
 }

tests/utils/PockTestCase.php

@@ -44,6 +44,19 @@ abstract class PockTestCase extends TestCase
         return static::getPsr17Factory()->createRequest($method ?? static::TEST_METHOD, static::TEST_URI);
     }
 
+    /**
+     * @param string $body
+     *
+     * @return \Psr\Http\Message\RequestInterface
+     */
+    protected static function getRequestWithBody(string $body): RequestInterface
+    {
+        return static::getPsr17Factory()->createRequest(
+            RequestMethod::GET,
+            static::TEST_URI
+        )->withBody(self::getPsr17Factory()->createStream($body));
+    }
+
     /**
      * @return \Nyholm\Psr7\Factory\Psr17Factory
      */