diff --git a/src/Matcher/ArrayMatcher.php b/src/Matcher/ArrayMatcher.php
index 2168f336..418749d1 100644
--- a/src/Matcher/ArrayMatcher.php
+++ b/src/Matcher/ArrayMatcher.php
@@ -6,6 +6,10 @@
 
 use Coduo\PHPMatcher\Backtrace;
 use Coduo\PHPMatcher\Exception\Exception;
+use Coduo\PHPMatcher\Matcher\ArrayMatcher\Diff;
+use Coduo\PHPMatcher\Matcher\ArrayMatcher\Difference;
+use Coduo\PHPMatcher\Matcher\ArrayMatcher\StringDifference;
+use Coduo\PHPMatcher\Matcher\ArrayMatcher\ValuePatternDifference;
 use Coduo\PHPMatcher\Parser;
 use Coduo\ToString\StringConverter;
 
@@ -36,8 +40,11 @@ final class ArrayMatcher extends Matcher
 
     private Backtrace $backtrace;
 
+    private Diff $diff;
+
     public function __construct(ValueMatcher $propertyMatcher, Backtrace $backtrace, Parser $parser)
     {
+        $this->diff = new Diff();
         $this->propertyMatcher = $propertyMatcher;
         $this->parser = $parser;
         $this->backtrace = $backtrace;
@@ -54,8 +61,9 @@ public function match($value, $pattern) : bool
         }
 
         if (!\is_array($value)) {
-            $this->error = \sprintf('%s "%s" is not a valid array.', \gettype($value), new StringConverter($value));
-            $this->backtrace->matcherFailed(self::class, $value, $pattern, $this->error);
+            $this->addValuePatternDifference($value, $pattern);
+
+            $this->backtrace->matcherFailed(self::class, $value, $pattern, $this->getError());
 
             return false;
         }
@@ -65,7 +73,7 @@ public function match($value, $pattern) : bool
         }
 
         if (!$this->iterateMatch($value, $pattern)) {
-            $this->backtrace->matcherFailed(self::class, $value, $pattern, $this->error);
+            $this->backtrace->matcherFailed(self::class, $value, $pattern, $this->getError());
 
             return false;
         }
@@ -80,6 +88,20 @@ public function canMatch($pattern) : bool
         return \is_array($pattern) || $this->isArrayPattern($pattern);
     }
 
+    public function getError() : ?string
+    {
+        if (!$this->diff->count()) {
+            return null;
+        }
+
+        return \implode("\n", \array_map(fn (Difference $difference) : string => $difference->format(), $this->diff->all()));
+    }
+
+    public function clearError() : void
+    {
+        $this->diff = new Diff();
+    }
+
     private function isArrayPattern($pattern) : bool
     {
         if (!\is_string($pattern)) {
@@ -126,7 +148,7 @@ private function iterateMatch(array $values, array $patterns, string $parentPath
                 continue;
             }
 
-            if ($this->valueMatchPattern($value, $pattern)) {
+            if ($this->valueMatchPattern($value, $pattern, $this->formatFullPath($parentPath, $path))) {
                 continue;
             }
 
@@ -135,7 +157,9 @@ private function iterateMatch(array $values, array $patterns, string $parentPath
             }
 
             if ($this->isArrayPattern($pattern)) {
-                if (!$this->allExpandersMatch($value, $pattern)) {
+                if (!$this->allExpandersMatch($value, $pattern, $parentPath)) {
+                    $this->addValuePatternDifference($value, $parentPath, $this->formatFullPath($parentPath, $path));
+
                     return false;
                 }
 
@@ -200,13 +224,15 @@ private function findNotExistingKeys(array $patterns, array $values) : array
         }, ARRAY_FILTER_USE_BOTH);
     }
 
-    private function valueMatchPattern($value, $pattern) : bool
+    private function valueMatchPattern($value, $pattern, $parentPath) : bool
     {
         $match = $this->propertyMatcher->canMatch($pattern) &&
             $this->propertyMatcher->match($value, $pattern);
 
         if (!$match) {
-            $this->error = $this->propertyMatcher->getError();
+            if (!\is_array($value)) {
+                $this->addValuePatternDifference($value, $pattern, $parentPath);
+            }
         }
 
         return $match;
@@ -230,7 +256,7 @@ private function getValueByPath(array $array, string $path)
 
     private function setMissingElementInError(string $place, string $path) : void
     {
-        $this->error = \sprintf('There is no element under path %s in %s.', $path, $place);
+        $this->diff = $this->diff->add(new StringDifference(\sprintf('There is no element under path %s in %s.', $path, $place)));
     }
 
     private function formatAccessPath($key) : string
@@ -253,13 +279,14 @@ private function shouldSkipValueMatchingFor($lastPattern) : bool
         return $lastPattern === self::UNBOUNDED_PATTERN;
     }
 
-    private function allExpandersMatch($value, $pattern) : bool
+    private function allExpandersMatch($value, $pattern, $parentPath = '') : bool
     {
         $typePattern = $this->parser->parse($pattern);
 
         if (!$typePattern->matchExpanders($value)) {
-            $this->error = $typePattern->getError();
-            $this->backtrace->matcherFailed(self::class, $value, $pattern, $this->error);
+            $this->addValuePatternDifference($value, $pattern, $parentPath);
+
+            $this->backtrace->matcherFailed(self::class, $value, $pattern, $this->getError());
 
             return false;
         }
@@ -268,4 +295,13 @@ private function allExpandersMatch($value, $pattern) : bool
 
         return true;
     }
+
+    private function addValuePatternDifference($value, $pattern, string $path = '') : void
+    {
+        $this->diff = $this->diff->add(new ValuePatternDifference(
+            (string) new StringConverter($value),
+            (string) new StringConverter($pattern),
+            $path ? $path : 'root'
+        ));
+    }
 }
diff --git a/src/Matcher/ArrayMatcher/Diff.php b/src/Matcher/ArrayMatcher/Diff.php
new file mode 100644
index 00000000..b0264d49
--- /dev/null
+++ b/src/Matcher/ArrayMatcher/Diff.php
@@ -0,0 +1,36 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Coduo\PHPMatcher\Matcher\ArrayMatcher;
+
+final class Diff
+{
+    /**
+     * @var Difference[]
+     */
+    private array $differences;
+
+    public function __construct(Difference ...$difference)
+    {
+        $this->differences = $difference;
+    }
+
+    public function add(Difference $difference) : self
+    {
+        return new self(...\array_merge($this->differences, [$difference]));
+    }
+
+    /**
+     *  @return Difference[]
+     */
+    public function all() : array
+    {
+        return $this->differences;
+    }
+
+    public function count() : int
+    {
+        return \count($this->differences);
+    }
+}
diff --git a/src/Matcher/ArrayMatcher/Difference.php b/src/Matcher/ArrayMatcher/Difference.php
new file mode 100644
index 00000000..d901f31c
--- /dev/null
+++ b/src/Matcher/ArrayMatcher/Difference.php
@@ -0,0 +1,8 @@
+<?php declare(strict_types=1);
+
+namespace Coduo\PHPMatcher\Matcher\ArrayMatcher;
+
+interface Difference
+{
+    public function format() : string;
+}
diff --git a/src/Matcher/ArrayMatcher/StringDifference.php b/src/Matcher/ArrayMatcher/StringDifference.php
new file mode 100644
index 00000000..25789aee
--- /dev/null
+++ b/src/Matcher/ArrayMatcher/StringDifference.php
@@ -0,0 +1,20 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Coduo\PHPMatcher\Matcher\ArrayMatcher;
+
+final class StringDifference implements Difference
+{
+    private string $description;
+
+    public function __construct(string $description)
+    {
+        $this->description = $description;
+    }
+
+    public function format() : string
+    {
+        return $this->description;
+    }
+}
diff --git a/src/Matcher/ArrayMatcher/ValuePatternDifference.php b/src/Matcher/ArrayMatcher/ValuePatternDifference.php
new file mode 100644
index 00000000..1d9e4ce9
--- /dev/null
+++ b/src/Matcher/ArrayMatcher/ValuePatternDifference.php
@@ -0,0 +1,26 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Coduo\PHPMatcher\Matcher\ArrayMatcher;
+
+final class ValuePatternDifference implements Difference
+{
+    private string $value;
+
+    private string $pattern;
+
+    private string $path;
+
+    public function __construct(string $value, string $pattern, string $path)
+    {
+        $this->value = $value;
+        $this->pattern = $pattern;
+        $this->path = $path;
+    }
+
+    public function format() : string
+    {
+        return "Value \"{$this->value}\" does not match pattern \"{$this->pattern}\" at path: \"{$this->path}\"";
+    }
+}
diff --git a/src/Matcher/ChainMatcher.php b/src/Matcher/ChainMatcher.php
index b5a1bdb3..714ffb18 100644
--- a/src/Matcher/ChainMatcher.php
+++ b/src/Matcher/ChainMatcher.php
@@ -5,6 +5,7 @@
 namespace Coduo\PHPMatcher\Matcher;
 
 use Coduo\PHPMatcher\Backtrace;
+use Coduo\PHPMatcher\Matcher\Pattern\Assert\Json;
 use Coduo\PHPMatcher\Value\SingleLineString;
 use Coduo\ToString\StringConverter;
 
@@ -19,6 +20,11 @@ final class ChainMatcher extends Matcher
      */
     private array $matchers = [];
 
+    /**
+     * @var array<string, string>
+     */
+    private array $matcherErrors;
+
     /**
      * @param Backtrace $backtrace
      * @param ValueMatcher[] $matchers
@@ -42,16 +48,23 @@ public function match($value, $pattern) : bool
                     return true;
                 }
 
+                $this->matcherErrors[\get_class($propertyMatcher)] = (string) $propertyMatcher->getError();
                 $this->error = $propertyMatcher->getError();
             }
         }
 
         if (!isset($this->error)) {
-            $this->error = \sprintf(
-                'Any matcher from chain can\'t match value "%s" to pattern "%s"',
-                new SingleLineString((string) new StringConverter($value)),
-                new SingleLineString((string) new StringConverter($pattern))
-            );
+            if (\is_array($value) && isset($this->matcherErrors[ArrayMatcher::class])) {
+                $this->error = $this->matcherErrors[ArrayMatcher::class];
+            } elseif (Json::isValidPattern($pattern) && isset($this->matcherErrors[JsonMatcher::class])) {
+                $this->error = $this->matcherErrors[JsonMatcher::class];
+            } else {
+                $this->error = \sprintf(
+                    'Any matcher from chain can\'t match value "%s" to pattern "%s"',
+                    new SingleLineString((string) new StringConverter($value)),
+                    new SingleLineString((string) new StringConverter($pattern))
+                );
+            }
         }
 
         $this->backtrace->matcherFailed($this->matcherName(), $value, $pattern, $this->error);
diff --git a/src/Matcher/JsonMatcher.php b/src/Matcher/JsonMatcher.php
index bd790fcb..fffd8cdc 100644
--- a/src/Matcher/JsonMatcher.php
+++ b/src/Matcher/JsonMatcher.php
@@ -6,8 +6,6 @@
 
 use Coduo\PHPMatcher\Backtrace;
 use Coduo\PHPMatcher\Matcher\Pattern\Assert\Json;
-use Coduo\PHPMatcher\Value\SingleLineString;
-use Coduo\ToString\StringConverter;
 
 final class JsonMatcher extends Matcher
 {
@@ -50,11 +48,7 @@ public function match($value, $pattern) : bool
         $match = $this->arrayMatcher->match(\json_decode($value, true), \json_decode($transformedPattern, true));
 
         if (!$match) {
-            $this->error = \sprintf(
-                'Value %s does not match pattern %s',
-                new SingleLineString((string) new StringConverter($value)),
-                new SingleLineString((string) new StringConverter($transformedPattern))
-            );
+            $this->error = $this->arrayMatcher->getError();
 
             $this->backtrace->matcherFailed(self::class, $value, $pattern, $this->error);
 
diff --git a/tests/BacktraceTest/failed_complex_matching_expected_trace.txt b/tests/BacktraceTest/failed_complex_matching_expected_trace.txt
index 6448b4be..332ea941 100644
--- a/tests/BacktraceTest/failed_complex_matching_expected_trace.txt
+++ b/tests/BacktraceTest/failed_complex_matching_expected_trace.txt
@@ -306,13 +306,13 @@
 #306 Matcher Coduo\PHPMatcher\Matcher\ChainMatcher (array) failed to match value "false" with "expr(value == true)" pattern
 #307 Matcher Coduo\PHPMatcher\Matcher\ChainMatcher (array) error: boolean "false" is not a valid string.
 #308 Matcher Coduo\PHPMatcher\Matcher\ArrayMatcher failed to match value "Array(3)" with "Array(3)" pattern
-#309 Matcher Coduo\PHPMatcher\Matcher\ArrayMatcher error: boolean "false" is not a valid string.
+#309 Matcher Coduo\PHPMatcher\Matcher\ArrayMatcher error: Value "false" does not match pattern "expr(value == true)" at path: "[users][1][enabled]"
 #310 Matcher Coduo\PHPMatcher\Matcher\JsonMatcher failed to match value "{"users":[{"id":131,"firstName":"Norbert","lastName":"Orzechowicz","enabled":true,"roles":[]},{"id":132,"firstName":"Micha\u0142","lastName":"D\u0105browski","enabled":false,"roles":["ROLE_DEVELOPER"]}],"prevPage":"http:\/\/example.com\/api\/users\/1?limit=2","nextPage":"http:\/\/example.com\/api\/users\/3?limit=2"}" with "{"users":[{"id":"@integer@","firstName":"Norbert","lastName":"Orzechowicz","enabled":"@boolean@","roles":"@array@.isEmpty()"},{"id":"@integer@","firstName":"Micha\u0142","lastName":"D\u0105browski","enabled":"expr(value == true)","roles":"@array@"}],"prevPage":"@string@","nextPage":"@string@"}" pattern
-#311 Matcher Coduo\PHPMatcher\Matcher\JsonMatcher error: Value {"users":[{"id":131,"firstName":"Norbert","lastName":"Orzechowicz","enabled":true,"roles":[]},{"id":132,"firstName":"Micha\u0142","lastName":"D\u0105browski","enabled":false,"roles":["ROLE_DEVELOPER"]}],"prevPage":"http:\/\/example.com\/api\/users\/1?limit=2","nextPage":"http:\/\/example.com\/api\/users\/3?limit=2"} does not match pattern {"users":[{"id":"@integer@","firstName":"Norbert","lastName":"Orzechowicz","enabled":"@boolean@","roles":"@array@.isEmpty()"},{"id":"@integer@","firstName":"Micha\u0142","lastName":"D\u0105browski","enabled":"expr(value == true)","roles":"@array@"}],"prevPage":"@string@","nextPage":"@string@"}
+#311 Matcher Coduo\PHPMatcher\Matcher\JsonMatcher error: Value "false" does not match pattern "expr(value == true)" at path: "[users][1][enabled]"
 #312 Matcher Coduo\PHPMatcher\Matcher\XmlMatcher can't match pattern "{"users":[{"id":"@integer@","firstName":"Norbert","lastName":"Orzechowicz","enabled":"@boolean@","roles":"@array@.isEmpty()"},{"id":"@integer@","firstName":"Micha\u0142","lastName":"D\u0105browski","enabled":"expr(value == true)","roles":"@array@"}],"prevPage":"@string@","nextPage":"@string@"}"
 #313 Matcher Coduo\PHPMatcher\Matcher\OrMatcher can't match pattern "{"users":[{"id":"@integer@","firstName":"Norbert","lastName":"Orzechowicz","enabled":"@boolean@","roles":"@array@.isEmpty()"},{"id":"@integer@","firstName":"Micha\u0142","lastName":"D\u0105browski","enabled":"expr(value == true)","roles":"@array@"}],"prevPage":"@string@","nextPage":"@string@"}"
 #314 Matcher Coduo\PHPMatcher\Matcher\TextMatcher can't match pattern "{"users":[{"id":"@integer@","firstName":"Norbert","lastName":"Orzechowicz","enabled":"@boolean@","roles":"@array@.isEmpty()"},{"id":"@integer@","firstName":"Micha\u0142","lastName":"D\u0105browski","enabled":"expr(value == true)","roles":"@array@"}],"prevPage":"@string@","nextPage":"@string@"}"
 #315 Matcher Coduo\PHPMatcher\Matcher\ChainMatcher (all) failed to match value "{"users":[{"id":131,"firstName":"Norbert","lastName":"Orzechowicz","enabled":true,"roles":[]},{"id":132,"firstName":"Micha\u0142","lastName":"D\u0105browski","enabled":false,"roles":["ROLE_DEVELOPER"]}],"prevPage":"http:\/\/example.com\/api\/users\/1?limit=2","nextPage":"http:\/\/example.com\/api\/users\/3?limit=2"}" with "{"users":[{"id":"@integer@","firstName":"Norbert","lastName":"Orzechowicz","enabled":"@boolean@","roles":"@array@.isEmpty()"},{"id":"@integer@","firstName":"Micha\u0142","lastName":"D\u0105browski","enabled":"expr(value == true)","roles":"@array@"}],"prevPage":"@string@","nextPage":"@string@"}" pattern
-#316 Matcher Coduo\PHPMatcher\Matcher\ChainMatcher (all) error: Value {"users":[{"id":131,"firstName":"Norbert","lastName":"Orzechowicz","enabled":true,"roles":[]},{"id":132,"firstName":"Micha\u0142","lastName":"D\u0105browski","enabled":false,"roles":["ROLE_DEVELOPER"]}],"prevPage":"http:\/\/example.com\/api\/users\/1?limit=2","nextPage":"http:\/\/example.com\/api\/users\/3?limit=2"} does not match pattern {"users":[{"id":"@integer@","firstName":"Norbert","lastName":"Orzechowicz","enabled":"@boolean@","roles":"@array@.isEmpty()"},{"id":"@integer@","firstName":"Micha\u0142","lastName":"D\u0105browski","enabled":"expr(value == true)","roles":"@array@"}],"prevPage":"@string@","nextPage":"@string@"}
+#316 Matcher Coduo\PHPMatcher\Matcher\ChainMatcher (all) error: Value "false" does not match pattern "expr(value == true)" at path: "[users][1][enabled]"
 #317 Matcher Coduo\PHPMatcher\Matcher failed to match value "{"users":[{"id":131,"firstName":"Norbert","lastName":"Orzechowicz","enabled":true,"roles":[]},{"id":132,"firstName":"Micha\u0142","lastName":"D\u0105browski","enabled":false,"roles":["ROLE_DEVELOPER"]}],"prevPage":"http:\/\/example.com\/api\/users\/1?limit=2","nextPage":"http:\/\/example.com\/api\/users\/3?limit=2"}" with "{"users":[{"id":"@integer@","firstName":"Norbert","lastName":"Orzechowicz","enabled":"@boolean@","roles":"@array@.isEmpty()"},{"id":"@integer@","firstName":"Micha\u0142","lastName":"D\u0105browski","enabled":"expr(value == true)","roles":"@array@"}],"prevPage":"@string@","nextPage":"@string@"}" pattern
-#318 Matcher Coduo\PHPMatcher\Matcher error: Value {"users":[{"id":131,"firstName":"Norbert","lastName":"Orzechowicz","enabled":true,"roles":[]},{"id":132,"firstName":"Micha\u0142","lastName":"D\u0105browski","enabled":false,"roles":["ROLE_DEVELOPER"]}],"prevPage":"http:\/\/example.com\/api\/users\/1?limit=2","nextPage":"http:\/\/example.com\/api\/users\/3?limit=2"} does not match pattern {"users":[{"id":"@integer@","firstName":"Norbert","lastName":"Orzechowicz","enabled":"@boolean@","roles":"@array@.isEmpty()"},{"id":"@integer@","firstName":"Micha\u0142","lastName":"D\u0105browski","enabled":"expr(value == true)","roles":"@array@"}],"prevPage":"@string@","nextPage":"@string@"}
\ No newline at end of file
+#318 Matcher Coduo\PHPMatcher\Matcher error: Value "false" does not match pattern "expr(value == true)" at path: "[users][1][enabled]"
\ No newline at end of file
diff --git a/tests/Matcher/ArrayMatcherTest.php b/tests/Matcher/ArrayMatcherTest.php
index 0a72bccd..bd987fbc 100644
--- a/tests/Matcher/ArrayMatcherTest.php
+++ b/tests/Matcher/ArrayMatcherTest.php
@@ -16,7 +16,44 @@ class ArrayMatcherTest extends TestCase
 
     private Backtrace $backtrace;
 
-    public static function positiveMatchData()
+    public function setUp() : void
+    {
+        $this->backtrace = new Backtrace\InMemoryBacktrace();
+        $parser = new Parser(new Lexer(), new Parser\ExpanderInitializer($this->backtrace));
+
+        $matchers = [
+            new Matcher\CallbackMatcher($this->backtrace),
+            new Matcher\NullMatcher($this->backtrace),
+            new Matcher\StringMatcher($this->backtrace, $parser),
+            new Matcher\IntegerMatcher($this->backtrace, $parser),
+            new Matcher\BooleanMatcher($this->backtrace, $parser),
+            new Matcher\DoubleMatcher($this->backtrace, $parser),
+            new Matcher\NumberMatcher($this->backtrace, $parser),
+            new Matcher\DateMatcher($this->backtrace, $parser),
+            new Matcher\ScalarMatcher($this->backtrace),
+            new Matcher\WildcardMatcher($this->backtrace),
+        ];
+
+        if (\class_exists('Symfony\\Component\\ExpressionLanguage\\ExpressionLanguage')) {
+            $matchers[] = new Matcher\ExpressionMatcher($this->backtrace);
+        }
+
+        $this->matcher = new Matcher\ArrayMatcher(
+            new Matcher\ChainMatcher(self::class, $this->backtrace, $matchers),
+            $this->backtrace,
+            $parser
+        );
+    }
+
+    /**
+     * @dataProvider positiveMatchData
+     */
+    public function test_positive_match_arrays($value, $pattern) : void
+    {
+        $this->assertTrue($this->matcher->match($value, $pattern));
+    }
+
+    public function positiveMatchData()
     {
         $simpleArr = [
             'users' => [
@@ -111,7 +148,16 @@ public static function positiveMatchData()
         ];
     }
 
-    public static function negativeMatchData()
+    /**
+     * @dataProvider negativeMatchData
+     */
+    public function test_negative_match_arrays($value, $pattern, string $error) : void
+    {
+        $this->assertFalse($this->matcher->match($value, $pattern));
+        $this->assertSame($error, $this->matcher->getError());
+    }
+
+    public function negativeMatchData()
     {
         $simpleArr = [
             'users' => [
@@ -162,18 +208,22 @@ public static function negativeMatchData()
         ];
 
         return [
-            [$simpleArr, $simpleDiff],
-            [$simpleArr, $simpleArrPatternWithUniversalKeyAndIntegerValue],
-            [['status' => 'ok', 'data' => [['foo']]], ['status' => 'ok', 'data' => []]],
-            [[1], []],
-            [[], ['key' => []]],
-            [['key' => 'val'], ['key' => 'val2']],
-            [[1], [2]],
-            [['foo', 1, 3], ['foo', 2, 3]],
-            [[], ['key' => []]],
-            [[], ['foo' => 'bar']],
-            [[], ['foo' => ['bar' => []]]],
-            [['key' => 'val', 'key2' => 'val2'], ['not key' => 'val', '@*@' => '@*@']],
+            [$simpleArr, $simpleDiff, 'Value "Michał" does not match pattern "Pablo" at path: "[users][1][firstName]"'],
+            [$simpleArr, $simpleArrPatternWithUniversalKeyAndIntegerValue, 'Value "Orzechowicz" does not match pattern "@integer@" at path: "[users][0][lastName]"'],
+            [['status' => 'ok', 'data' => [['foo']]], ['status' => 'ok', 'data' => []], 'There is no element under path [data][0] in pattern.'],
+            [[1], [], 'There is no element under path [0] in pattern.'],
+            [[], ['key' => []], 'There is no element under path [key] in value.'],
+            [['key' => 'val'], ['key' => 'val2'], 'Value "val" does not match pattern "val2" at path: "[key]"'],
+            [[1], [2], 'Value "1" does not match pattern "2" at path: "[0]"'],
+            [['foo', 1, 3], ['foo', 2, 3], 'Value "1" does not match pattern "2" at path: "[1]"'],
+            [[], ['key' => []], 'There is no element under path [key] in value.'],
+            [[], ['foo' => 'bar'], 'There is no element under path [foo] in value.'],
+            [
+                [],
+                ['foo' => ['bar' => []]],
+                "There is no element under path [bar] in value.\nThere is no element under path [foo] in value.",
+            ],
+            [['key' => 'val', 'key2' => 'val2'], ['not key' => 'val', '@*@' => '@*@'], 'There is no element under path [not key] in value.'],
             'unbound array should match one or none elements' => [
                 [
                     'users' => [
@@ -188,55 +238,11 @@ public static function negativeMatchData()
                     6.66,
                 ],
                 $simpleDiff,
+                'Value "Foobar" does not match pattern "Orzechowicz" at path: "[users][0][lastName]"',
             ],
         ];
     }
 
-    public function setUp() : void
-    {
-        $this->backtrace = new Backtrace\InMemoryBacktrace();
-        $parser = new Parser(new Lexer(), new Parser\ExpanderInitializer($this->backtrace));
-
-        $matchers = [
-            new Matcher\CallbackMatcher($this->backtrace),
-            new Matcher\NullMatcher($this->backtrace),
-            new Matcher\StringMatcher($this->backtrace, $parser),
-            new Matcher\IntegerMatcher($this->backtrace, $parser),
-            new Matcher\BooleanMatcher($this->backtrace, $parser),
-            new Matcher\DoubleMatcher($this->backtrace, $parser),
-            new Matcher\NumberMatcher($this->backtrace, $parser),
-            new Matcher\DateMatcher($this->backtrace, $parser),
-            new Matcher\ScalarMatcher($this->backtrace),
-            new Matcher\WildcardMatcher($this->backtrace),
-        ];
-
-        if (\class_exists('Symfony\\Component\\ExpressionLanguage\\ExpressionLanguage')) {
-            $matchers[] = new Matcher\ExpressionMatcher($this->backtrace);
-        }
-
-        $this->matcher = new Matcher\ArrayMatcher(
-            new Matcher\ChainMatcher(self::class, $this->backtrace, $matchers),
-            $this->backtrace,
-            $parser
-        );
-    }
-
-    /**
-     * @dataProvider positiveMatchData
-     */
-    public function test_positive_match_arrays($value, $pattern) : void
-    {
-        $this->assertTrue($this->matcher->match($value, $pattern));
-    }
-
-    /**
-     * @dataProvider negativeMatchData
-     */
-    public function test_negative_match_arrays($value, $pattern) : void
-    {
-        $this->assertFalse($this->matcher->match($value, $pattern));
-    }
-
     public function test_negative_match_when_cant_find_matcher_that_can_match_array_element() : void
     {
         $matcher = new Matcher\ArrayMatcher(
@@ -298,14 +304,14 @@ public function test_error_when_path_in_nested_value_does_not_exist() : void
     public function test_error_when_matching_fail() : void
     {
         $this->assertFalse($this->matcher->match(['foo' => 'foo value'], ['foo' => 'bar value']));
-        $this->assertEquals($this->matcher->getError(), '"foo value" does not match "bar value".');
+        $this->assertEquals($this->matcher->getError(), 'Value "foo value" does not match pattern "bar value" at path: "[foo]"');
         $this->assertFalse($this->backtrace->isEmpty());
     }
 
     public function test_error_message_when_matching_non_array_value() : void
     {
         $this->assertFalse($this->matcher->match(new \DateTime(), '@array@'));
-        $this->assertEquals($this->matcher->getError(), 'object "\\DateTime" is not a valid array.');
+        $this->assertEquals($this->matcher->getError(), 'Value "\DateTime" does not match pattern "@array@" at path: "root"');
         $this->assertFalse($this->backtrace->isEmpty());
     }
 
@@ -346,7 +352,7 @@ public function test_array_previous_pattern() : void
                     '@array_previous@',
                 ]
             ),
-            $this->matcher->getError()
+            (string) $this->matcher->getError()
         );
     }
 
@@ -371,7 +377,7 @@ public function test_array_previous_repeat_pattern() : void
                     '@array_previous_repeat@',
                 ]
             ),
-            $this->matcher->getError()
+            (string) $this->matcher->getError()
         );
     }
 
@@ -396,7 +402,7 @@ public function test_invalid_array_previous_repeat_pattern() : void
         );
 
         $this->assertSame(
-            '"4" does not match "@string@".',
+            'Value "4" does not match pattern "@string@" at path: "[3][id]"',
             $this->matcher->getError()
         );
     }
diff --git a/tests/Matcher/ChainMatcherTest.php b/tests/Matcher/ChainMatcherTest.php
index dbde9b31..f2a006da 100644
--- a/tests/Matcher/ChainMatcherTest.php
+++ b/tests/Matcher/ChainMatcherTest.php
@@ -71,14 +71,14 @@ public function test_first_matcher_match() : void
 
     public function test_if_there_is_error_description_only_from_last_matcher_that_fails() : void
     {
-        $this->firstMatcher->expects($this->once())->method('canMatch')->will($this->returnValue(true));
-        $this->firstMatcher->expects($this->once())->method('match')->will($this->returnValue(false));
-        $this->firstMatcher->expects($this->once())->method('getError')
+        $this->firstMatcher->expects($this->any())->method('canMatch')->will($this->returnValue(true));
+        $this->firstMatcher->expects($this->any())->method('match')->will($this->returnValue(false));
+        $this->firstMatcher->expects($this->any())->method('getError')
             ->will($this->returnValue('First matcher error'));
 
-        $this->secondMatcher->expects($this->once())->method('canMatch')->will($this->returnValue(true));
-        $this->secondMatcher->expects($this->once())->method('match')->will($this->returnValue(false));
-        $this->secondMatcher->expects($this->once())->method('getError')
+        $this->secondMatcher->expects($this->any())->method('canMatch')->will($this->returnValue(true));
+        $this->secondMatcher->expects($this->any())->method('match')->will($this->returnValue(false));
+        $this->secondMatcher->expects($this->any())->method('getError')
             ->will($this->returnValue('Second matcher error'));
 
         $this->assertEquals($this->matcher->match('foo', 'foo_pattern'), false);
diff --git a/tests/Matcher/JsonMatcherTest.php b/tests/Matcher/JsonMatcherTest.php
index 334be604..b9f015ff 100644
--- a/tests/Matcher/JsonMatcherTest.php
+++ b/tests/Matcher/JsonMatcherTest.php
@@ -7,14 +7,49 @@
 use Coduo\PHPMatcher\Backtrace;
 use Coduo\PHPMatcher\Lexer;
 use Coduo\PHPMatcher\Matcher;
+use Coduo\PHPMatcher\Matcher\JsonMatcher;
 use Coduo\PHPMatcher\Parser;
 use PHPUnit\Framework\TestCase;
 
 class JsonMatcherTest extends TestCase
 {
-    private ?\Coduo\PHPMatcher\Matcher\JsonMatcher $matcher = null;
+    private ?JsonMatcher $matcher = null;
 
-    public static function positivePatterns()
+    public function setUp() : void
+    {
+        $backtrace = new Backtrace\InMemoryBacktrace();
+        $parser = new Parser(new Lexer(), new Parser\ExpanderInitializer($backtrace));
+        $scalarMatchers = new Matcher\ChainMatcher(
+            self::class,
+            $backtrace,
+            [
+                new Matcher\CallbackMatcher($backtrace),
+                new Matcher\ExpressionMatcher($backtrace),
+                new Matcher\NullMatcher($backtrace),
+                new Matcher\StringMatcher($backtrace, $parser),
+                new Matcher\IntegerMatcher($backtrace, $parser),
+                new Matcher\BooleanMatcher($backtrace, $parser),
+                new Matcher\DoubleMatcher($backtrace, $parser),
+                new Matcher\NumberMatcher($backtrace, $parser),
+                new Matcher\ScalarMatcher($backtrace),
+                new Matcher\WildcardMatcher($backtrace),
+            ]
+        );
+        $this->matcher = new JsonMatcher(
+            new Matcher\ArrayMatcher($scalarMatchers, $backtrace, $parser),
+            $backtrace
+        );
+    }
+
+    /**
+     * @dataProvider positivePatterns
+     */
+    public function test_positive_can_match($pattern) : void
+    {
+        $this->assertTrue($this->matcher->canMatch($pattern));
+    }
+
+    public function positivePatterns()
     {
         return [
             [\json_encode(['Norbert', 'Michał'])],
@@ -23,7 +58,15 @@ public static function positivePatterns()
         ];
     }
 
-    public static function negativePatterns()
+    /**
+     * @dataProvider negativePatterns
+     */
+    public function test_negative_can_match($pattern) : void
+    {
+        $this->assertFalse($this->matcher->canMatch($pattern));
+    }
+
+    public function negativePatterns()
     {
         return [
             ['@string@'],
@@ -32,7 +75,15 @@ public static function negativePatterns()
         ];
     }
 
-    public static function positiveMatches()
+    /**
+     * @dataProvider positiveMatches
+     */
+    public function test_positive_matches($value, $pattern) : void
+    {
+        $this->assertTrue($this->matcher->match($value, $pattern), (string) $this->matcher->getError());
+    }
+
+    public function positiveMatches()
     {
         return [
             [
@@ -115,41 +166,15 @@ public static function positiveMatches()
         ];
     }
 
-    public static function negativeMatches()
+    /**
+     * @dataProvider normalizationRequiredDataProvider
+     */
+    public function test_positive_matches_after_normalization($value, $pattern) : void
     {
-        return [
-            [
-                '{"users":["Norbert","Michał"]}',
-                '{"users":["Michał","@string@"]}',
-            ],
-            [
-                '{"users":["Norbert","Michał", "John"], "stuff": [1, 2, 3]}',
-                '{"users":["@string@", @...@], "stuff": [1, 2]}',
-            ],
-            [
-                '{this_is_not_valid_json',
-                '{"users":["Michał","@string@"]}',
-            ],
-            [
-                '{"status":"ok","data":[]}',
-                '{"status":"ok","data":[{"id": 4,"code":"123987","name":"Anvill","short_description":"ACME Anvill","url":"http://test-store.example.com/p/123987","image":{"url":"http://test-store.example.com/i/123987-0.jpg","description":"ACME Anvill"},"price":95,"promotion_description":"Anvills sale"},{"id": 5,"code":"123988","name":"Red Anvill","short_description":"Red ACME Anvill","url":"http://test-store.example.com/p/123988","image":{"url":"http://test-store.example.com/i/123988-0.jpg","description":"ACME Anvill"},"price":44.99,"promotion_description":"Red is cheap"}]}',
-            ],
-            [
-                '{"foo":"foo val","bar":"bar val"}',
-                '{"foo":"foo val"}',
-            ],
-            [
-                '[{"name": "Norbert","lastName":"Orzechowicz"},{"name":"Michał"},{"name":"Bob"},{"name":"Martin"}]',
-                '"@array@.repeat({\"name\": \"@string@\"})"',
-            ],
-            [
-                [],
-                '[]',
-            ],
-        ];
+        $this->assertTrue($this->matcher->match($value, $pattern), (string) $this->matcher->getError());
     }
 
-    public static function normalizationRequiredDataProvider()
+    public function normalizationRequiredDataProvider()
     {
         return [
             [
@@ -179,70 +204,54 @@ public static function normalizationRequiredDataProvider()
         ];
     }
 
-    public function setUp() : void
-    {
-        $backtrace = new Backtrace\InMemoryBacktrace();
-        $parser = new Parser(new Lexer(), new Parser\ExpanderInitializer($backtrace));
-        $scalarMatchers = new Matcher\ChainMatcher(
-            self::class,
-            $backtrace,
-            [
-                new Matcher\CallbackMatcher($backtrace),
-                new Matcher\ExpressionMatcher($backtrace),
-                new Matcher\NullMatcher($backtrace),
-                new Matcher\StringMatcher($backtrace, $parser),
-                new Matcher\IntegerMatcher($backtrace, $parser),
-                new Matcher\BooleanMatcher($backtrace, $parser),
-                new Matcher\DoubleMatcher($backtrace, $parser),
-                new Matcher\NumberMatcher($backtrace, $parser),
-                new Matcher\ScalarMatcher($backtrace),
-                new Matcher\WildcardMatcher($backtrace),
-            ]
-        );
-        $this->matcher = new Matcher\JsonMatcher(
-            new Matcher\ArrayMatcher($scalarMatchers, $backtrace, $parser),
-            $backtrace
-        );
-    }
-
-    /**
-     * @dataProvider positivePatterns
-     */
-    public function test_positive_can_match($pattern) : void
-    {
-        $this->assertTrue($this->matcher->canMatch($pattern));
-    }
-
-    /**
-     * @dataProvider negativePatterns
-     */
-    public function test_negative_can_match($pattern) : void
-    {
-        $this->assertFalse($this->matcher->canMatch($pattern));
-    }
-
-    /**
-     * @dataProvider positiveMatches
-     */
-    public function test_positive_matches($value, $pattern) : void
-    {
-        $this->assertTrue($this->matcher->match($value, $pattern), (string) $this->matcher->getError());
-    }
-
     /**
-     * @dataProvider normalizationRequiredDataProvider
+     * @dataProvider negativeMatches
      */
-    public function test_positive_matches_after_normalization($value, $pattern) : void
+    public function test_negative_matches($value, $pattern, string $error) : void
     {
-        $this->assertTrue($this->matcher->match($value, $pattern), (string) $this->matcher->getError());
+        $this->assertFalse($this->matcher->match($value, $pattern), (string) $this->matcher->getError());
+        $this->assertSame($error, $this->matcher->getError());
     }
 
-    /**
-     * @dataProvider negativeMatches
-     */
-    public function test_negative_matches($value, $pattern) : void
+    public function negativeMatches()
     {
-        $this->assertFalse($this->matcher->match($value, $pattern), (string) $this->matcher->getError());
+        return [
+            [
+                '{"users":["Norbert","Michał"]}',
+                '{"users":["Michał","@string@"]}',
+                'Value "Norbert" does not match pattern "Michał" at path: "[users][0]"',
+            ],
+            [
+                '{"users":["Norbert","Michał", "John"], "stuff": [1, 2, 3]}',
+                '{"users":["@string@", @...@], "stuff": [1, 2]}',
+                'There is no element under path [stuff][2] in pattern.',
+            ],
+            [
+                '{this_is_not_valid_json',
+                '{"users":["Michał","@string@"]}',
+                'Invalid given JSON of value. Syntax error, malformed JSON',
+            ],
+            [
+                '{"status":"ok","data":[]}',
+                '{"status":"ok","data":[{"id": 4,"code":"123987","name":"Anvill","short_description":"ACME Anvill","url":"http://test-store.example.com/p/123987","image":{"url":"http://test-store.example.com/i/123987-0.jpg","description":"ACME Anvill"},"price":95,"promotion_description":"Anvills sale"},{"id": 5,"code":"123988","name":"Red Anvill","short_description":"Red ACME Anvill","url":"http://test-store.example.com/p/123988","image":{"url":"http://test-store.example.com/i/123988-0.jpg","description":"ACME Anvill"},"price":44.99,"promotion_description":"Red is cheap"}]}',
+                "There is no element under path [url] in value.\nThere is no element under path [id] in value.\nThere is no element under path [url] in value.\nThere is no element under path [id] in value.\nThere is no element under path [data][0] in value.",
+            ],
+            [
+                '{"foo":"foo val","bar":"bar val"}',
+                '{"foo":"foo val"}',
+                'There is no element under path [bar] in pattern.',
+            ],
+            [
+                '[{"name": "Norbert","lastName":"Orzechowicz"},{"name":"Michał"},{"name":"Bob"},{"name":"Martin"}]',
+                '"@array@.repeat({\"name\": \"@string@\"})"',
+                'Value "Array(4)" does not match pattern "@array@.repeat({"name": "@string@"})" at path: "root"',
+            ],
+            [
+                [],
+                '[]',
+                'Invalid given JSON of value. Unknown error',
+            ],
+        ];
     }
 
     public function test_error_when_matching_fail() : void
@@ -261,7 +270,7 @@ public function test_error_when_matching_fail() : void
         ]);
 
         $this->assertFalse($this->matcher->match($value, $pattern));
-        $this->assertEquals($this->matcher->getError(), 'Value {"users":[{"name":"Norbert"},{"name":"Micha\u0142"}]} does not match pattern {"users":[{"name":"@string@"},{"name":"@boolean@"}]}');
+        $this->assertEquals('Value "Michał" does not match pattern "@boolean@" at path: "[users][1][name]"', $this->matcher->getError());
     }
 
     public function test_error_when_path_in_nested_pattern_does_not_exist() : void
@@ -271,7 +280,7 @@ public function test_error_when_path_in_nested_pattern_does_not_exist() : void
 
         $this->assertFalse($this->matcher->match($value, $pattern));
 
-        $this->assertEquals($this->matcher->getError(), 'Value {"foo":{"bar":{"baz":"bar value"}}} does not match pattern {"foo":{"bar":{"faz":"faz value"}}}');
+        $this->assertEquals('There is no element under path [foo][bar][baz] in pattern.', $this->matcher->getError());
     }
 
     public function test_error_when_path_in_nested_value_does_not_exist() : void
@@ -281,7 +290,7 @@ public function test_error_when_path_in_nested_value_does_not_exist() : void
 
         $this->assertFalse($this->matcher->match($value, $pattern));
 
-        $this->assertEquals($this->matcher->getError(), 'Value {"foo":{"bar":[]}} does not match pattern {"foo":{"bar":{"faz":"faz value"}}}');
+        $this->assertEquals('There is no element under path [foo][bar][faz] in value.', $this->matcher->getError());
     }
 
     public function test_error_when_json_pattern_is_invalid() : void
@@ -291,7 +300,7 @@ public function test_error_when_json_pattern_is_invalid() : void
 
         $this->assertFalse($this->matcher->match($value, $pattern));
 
-        $this->assertEquals($this->matcher->getError(), 'Invalid given JSON of pattern. Syntax error, malformed JSON');
+        $this->assertEquals('Invalid given JSON of pattern. Syntax error, malformed JSON', $this->matcher->getError());
     }
 
     /**
@@ -310,6 +319,6 @@ public function test_error_when_json_value_is_invalid() : void
 
         $this->assertFalse($this->matcher->match($value, $pattern));
 
-        $this->assertEquals($this->matcher->getError(), 'Invalid given JSON of value. Syntax error, malformed JSON');
+        $this->assertEquals('Invalid given JSON of value. Syntax error, malformed JSON', $this->matcher->getError());
     }
 }
diff --git a/tests/MatcherTest.php b/tests/MatcherTest.php
index 689a0f69..f893a096 100644
--- a/tests/MatcherTest.php
+++ b/tests/MatcherTest.php
@@ -4,21 +4,11 @@
 
 namespace Coduo\PHPMatcher\Tests;
 
+use Coduo\PHPMatcher\PHPMatcher;
 use Coduo\PHPMatcher\PHPUnit\PHPMatcherTestCase;
 
 class MatcherTest extends PHPMatcherTestCase
 {
-    public static function nullExamples()
-    {
-        return [
-            [
-                '{"proformaInvoiceLink":null}', '{"proformaInvoiceLink":null}',
-                '{"proformaInvoiceLink":null, "test":"test"}', '{"proformaInvoiceLink":null, "test":"@string@"}',
-                '{"proformaInvoiceLink":null, "test":"test"}', '{"proformaInvoiceLink":@null@, "test":"@string@"}',
-            ],
-        ];
-    }
-
     /**
      * @dataProvider scalarValueExamples
      */
@@ -27,6 +17,17 @@ public function test_matcher_with_scalar_values($value, $pattern) : void
         $this->assertMatchesPattern($pattern, $value);
     }
 
+    public function scalarValueExamples()
+    {
+        return [
+            ['Norbert Orzechowicz', '@string@'],
+            [6.66, '@double@'],
+            [1, '@integer@'],
+            [['foo'], '@array@'],
+            ['9f4db639-0e87-4367-9beb-d64e3f42ae18', '@uuid@'],
+        ];
+    }
+
     public function test_matcher_with_array_value() : void
     {
         $value = [
@@ -78,119 +79,6 @@ public function test_matcher_with_json($value, $pattern) : void
         $this->assertMatchesPattern($pattern, $value);
     }
 
-    public function test_matcher_with_xml() : void
-    {
-        $value = <<<'XML'
-<?xml version="1.0"?>
-<soap:Envelope
-xmlns:soap="http://www.w3.org/2001/12/soap-envelope"
-soap:encodingStyle="http://www.w3.org/2001/12/soap-encoding">
-
-<soap:Body xmlns:m="http://www.example.org/stock">
-  <m:GetStockPrice>
-    <m:StockName>IBM</m:StockName>
-    <m:StockValue>Any Value</m:StockValue>
-  </m:GetStockPrice>
-</soap:Body>
-
-</soap:Envelope>
-XML;
-        $pattern = <<<'XML'
-<?xml version="1.0"?>
-<soap:Envelope
-    xmlns:soap="@string@"
-            soap:encodingStyle="@string@">
-
-<soap:Body xmlns:m="@string@">
-  <m:GetStockPrice>
-    <m:StockName>@string@</m:StockName>
-    <m:StockValue>@string@</m:StockValue>
-  </m:GetStockPrice>
-</soap:Body>
-
-</soap:Envelope>
-XML;
-
-        $this->assertMatchesPattern($pattern, $value);
-    }
-
-    public function test_matcher_with_xml_including_optional_node() : void
-    {
-        $value = <<<'XML'
-<?xml version="1.0"?>
-<soap:Envelope
-xmlns:soap="http://www.w3.org/2001/12/soap-envelope"
-soap:encodingStyle="http://www.w3.org/2001/12/soap-encoding">
-
-<soap:Body xmlns:m="http://www.example.org/stock">
-  <m:GetStockPrice>
-    <m:StockName>IBM</m:StockName>
-    <m:StockValue>Any Value</m:StockValue>
-  </m:GetStockPrice>
-</soap:Body>
-
-</soap:Envelope>
-XML;
-        $pattern = <<<'XML'
-<?xml version="1.0"?>
-<soap:Envelope
-    xmlns:soap="@string@"
-            soap:encodingStyle="@string@">
-
-<soap:Body xmlns:m="@string@">
-  <m:GetStockPrice>
-    <m:StockName>@string@.optional()</m:StockName>
-    <m:StockValue>@string@.optional()</m:StockValue>
-    <m:StockQty>@integer@.optional()</m:StockQty>
-  </m:GetStockPrice>
-</soap:Body>
-
-</soap:Envelope>
-XML;
-
-        $this->assertMatchesPattern($pattern, $value);
-    }
-
-    public function test_full_text_matcher() : void
-    {
-        $value = 'lorem ipsum 1234 random text';
-        $pattern = "@string@.startsWith('lo') ipsum @number@.greaterThan(10) random text";
-        $this->assertMatchesPattern($pattern, $value);
-    }
-
-    public function test_matcher_with_callback() : void
-    {
-        $this->assertMatchesPattern(
-            fn ($value) => $value === 'test',
-            'test'
-        );
-    }
-
-    public function test_matcher_with_wildcard() : void
-    {
-        $this->assertMatchesPattern('@*@', 'test');
-        $this->assertMatchesPattern('@wildcard@', 'test');
-    }
-
-    /**
-     * @dataProvider nullExamples
-     */
-    public function test_null_value_in_the_json(string $value, string $pattern) : void
-    {
-        $this->assertMatchesPattern($pattern, $value);
-    }
-
-    public function scalarValueExamples()
-    {
-        return [
-            ['Norbert Orzechowicz', '@string@'],
-            [6.66, '@double@'],
-            [1, '@integer@'],
-            [['foo'], '@array@'],
-            ['9f4db639-0e87-4367-9beb-d64e3f42ae18', '@uuid@'],
-        ];
-    }
-
     public function jsonDataProvider()
     {
         return [
@@ -375,6 +263,119 @@ public function jsonDataProvider()
         ];
     }
 
+    public function test_matcher_with_xml() : void
+    {
+        $value = <<<'XML'
+<?xml version="1.0"?>
+<soap:Envelope
+xmlns:soap="http://www.w3.org/2001/12/soap-envelope"
+soap:encodingStyle="http://www.w3.org/2001/12/soap-encoding">
+
+<soap:Body xmlns:m="http://www.example.org/stock">
+  <m:GetStockPrice>
+    <m:StockName>IBM</m:StockName>
+    <m:StockValue>Any Value</m:StockValue>
+  </m:GetStockPrice>
+</soap:Body>
+
+</soap:Envelope>
+XML;
+        $pattern = <<<'XML'
+<?xml version="1.0"?>
+<soap:Envelope
+    xmlns:soap="@string@"
+            soap:encodingStyle="@string@">
+
+<soap:Body xmlns:m="@string@">
+  <m:GetStockPrice>
+    <m:StockName>@string@</m:StockName>
+    <m:StockValue>@string@</m:StockValue>
+  </m:GetStockPrice>
+</soap:Body>
+
+</soap:Envelope>
+XML;
+
+        $this->assertMatchesPattern($pattern, $value);
+    }
+
+    public function test_matcher_with_xml_including_optional_node() : void
+    {
+        $value = <<<'XML'
+<?xml version="1.0"?>
+<soap:Envelope
+xmlns:soap="http://www.w3.org/2001/12/soap-envelope"
+soap:encodingStyle="http://www.w3.org/2001/12/soap-encoding">
+
+<soap:Body xmlns:m="http://www.example.org/stock">
+  <m:GetStockPrice>
+    <m:StockName>IBM</m:StockName>
+    <m:StockValue>Any Value</m:StockValue>
+  </m:GetStockPrice>
+</soap:Body>
+
+</soap:Envelope>
+XML;
+        $pattern = <<<'XML'
+<?xml version="1.0"?>
+<soap:Envelope
+    xmlns:soap="@string@"
+            soap:encodingStyle="@string@">
+
+<soap:Body xmlns:m="@string@">
+  <m:GetStockPrice>
+    <m:StockName>@string@.optional()</m:StockName>
+    <m:StockValue>@string@.optional()</m:StockValue>
+    <m:StockQty>@integer@.optional()</m:StockQty>
+  </m:GetStockPrice>
+</soap:Body>
+
+</soap:Envelope>
+XML;
+
+        $this->assertMatchesPattern($pattern, $value);
+    }
+
+    public function test_full_text_matcher() : void
+    {
+        $value = 'lorem ipsum 1234 random text';
+        $pattern = "@string@.startsWith('lo') ipsum @number@.greaterThan(10) random text";
+        $this->assertMatchesPattern($pattern, $value);
+    }
+
+    public function test_matcher_with_callback() : void
+    {
+        $this->assertMatchesPattern(
+            fn ($value) => $value === 'test',
+            'test'
+        );
+    }
+
+    public function test_matcher_with_wildcard() : void
+    {
+        $this->assertMatchesPattern('@*@', 'test');
+        $this->assertMatchesPattern('@wildcard@', 'test');
+    }
+
+    /**
+     * @dataProvider nullExamples
+     */
+    public function test_null_value_in_the_json(string $value, string $pattern) : void
+    {
+        $this->assertMatchesPattern($pattern, $value);
+    }
+
+    public function nullExamples()
+    {
+        return [
+            [
+                '{"proformaInvoiceLink":null}', '{"proformaInvoiceLink":null}',
+                '{"proformaInvoiceLink":null, "test":"test"}', '{"proformaInvoiceLink":null, "test":"@string@"}',
+                '{"proformaInvoiceLink":null, "test":"test"}', '{"proformaInvoiceLink":@null@, "test":"@string@"}',
+            ],
+        ];
+    }
+
     public function test_php_pattern_of_github_pull_requests_response() : void
     {
         $this->assertMatchesPattern(
@@ -704,4 +705,341 @@ public function test_php_pattern_of_github_pull_requests_response() : void
             \file_get_contents(__DIR__ . '/fixtures/github_pulls.json'),
         );
     }
+
+    public function test_php_pattern_of_github_pull_requests_response_with_one_small_mistake() : void
+    {
+        $matcher = new PHPMatcher();
+
+        $matcher->match(
+            \file_get_contents(__DIR__ . '/fixtures/github_pulls.json'),
+            /* @lang JSON */
+            <<<'PATTERN'
+[
+  {
+    "url": "https://api.github.com/repos/coduo/php-matcher/pulls/@number@",
+    "id": "@integer@",
+    "node_id": "@string@",
+    "html_url": "https://github.com/coduo/php-matcher/pull/@integer@",
+    "diff_url": "https://github.com/coduo/php-matcher/pull/@integer@.diff",
+    "patch_url": "https://github.com/coduo/php-matcher/pull/@integer@.patch",
+    "issue_url": "https://api.github.com/repos/coduo/php-matcher/issues/@integer@",
+    "number": "@integer@",
+    "state": "@string@",
+    "locked": "@boolean@",
+    "title": "@string@",
+    "user": {
+      "login": "@integer@",
+      "id": "@integer@",
+      "node_id": "@string@",
+      "avatar_url": "@string@",
+      "gravatar_id": "@string@",
+      "url": "https://api.github.com/users/@string@",
+      "html_url": "https://github.com/@string@",
+      "followers_url": "https://api.github.com/users/@string@/followers",
+      "following_url": "https://api.github.com/users/@string@/following{/other_user}",
+      "gists_url": "https://api.github.com/users/@string@/gists{/gist_id}",
+      "starred_url": "https://api.github.com/users/@string@/starred{/owner}{/repo}",
+      "subscriptions_url": "https://api.github.com/users/@string@/subscriptions",
+      "organizations_url": "https://api.github.com/users/@string@/orgs",
+      "repos_url": "https://api.github.com/users/@string@/repos",
+      "events_url": "https://api.github.com/users/@string@/events{/privacy}",
+      "received_events_url": "https://api.github.com/users/@string@/received_events",
+      "type": "@string@",
+      "site_admin": "@boolean@"
+    },
+    "body": "@string@",
+    "created_at": "@datetime@",
+    "updated_at": "@datetime@",
+    "closed_at": "@datetime@||@null@",
+    "merged_at": "@datetime@||@null@",
+    "merge_commit_sha": "@string@",
+    "assignee": "@json@||@null@",
+    "assignees": "@array@",
+    "requested_reviewers": "@array@",
+    "requested_teams":"@array@",
+    "labels": "@array@",
+    "milestone": "@json@||@null@",
+    "draft": "@boolean@",
+    "commits_url": "https://api.github.com/repos/coduo/php-matcher/pulls/@number@/commits",
+    "review_comments_url": "https://api.github.com/repos/coduo/php-matcher/pulls/@number@/comments",
+    "review_comment_url": "https://api.github.com/repos/coduo/php-matcher/pulls/comments{/number}",
+    "comments_url": "https://api.github.com/repos/coduo/php-matcher/issues/@number@/comments",
+    "statuses_url": "https://api.github.com/repos/coduo/php-matcher/statuses/@string@",
+    "head": {
+      "label": "@string@",
+      "ref": "@string@",
+      "sha": "@string@",
+      "user": {
+        "login": "@string@",
+        "id": "@integer@",
+        "node_id": "@string@",
+        "avatar_url": "@string@",
+        "gravatar_id": "@string@",
+        "url": "https://api.github.com/users/@string@",
+        "html_url": "https://github.com/@string@",
+        "followers_url": "https://api.github.com/users/@string@/followers",
+        "following_url": "https://api.github.com/users/@string@/following{/other_user}",
+        "gists_url": "https://api.github.com/users/@string@gists{/gist_id}",
+        "starred_url": "https://api.github.com/users/@string@/starred{/owner}{/repo}",
+        "subscriptions_url": "https://api.github.com/users/@string@/subscriptions",
+        "organizations_url": "https://api.github.com/users/@string@/orgs",
+        "repos_url": "https://api.github.com/users/@string@/repos",
+        "events_url": "https://api.github.com/users/@string@/events{/privacy}",
+        "received_events_url": "https://api.github.com/users/@string@/received_events",
+        "type": "@string@",
+        "site_admin": "@boolean@"
+      },
+      "repo": {
+        "id": "@integer@",
+        "node_id": "@string@",
+        "name": "php-matcher",
+        "full_name": "@string@",
+        "private": "@boolean@",
+        "owner": {
+          "login": "@string@",
+          "id": "@integer@",
+          "node_id": "@string@",
+          "avatar_url": "@string@",
+          "gravatar_id": "@string@",
+          "url": "https://api.github.com/users/@string@",
+          "html_url": "https://github.com/@string@",
+          "followers_url": "https://api.github.com/users/@string@/followers",
+          "following_url": "https://api.github.com/users/@string@/following{/other_user}",
+          "gists_url": "https://api.github.com/users/@string@/gists{/gist_id}",
+          "starred_url": "https://api.github.com/users/@string@/starred{/owner}{/repo}",
+          "subscriptions_url": "https://api.github.com/users/@string@/subscriptions",
+          "organizations_url": "https://api.github.com/users/@string@/orgs",
+          "repos_url": "https://api.github.com/users/@string@/repos",
+          "events_url": "https://api.github.com/users/@string@/events{/privacy}",
+          "received_events_url": "https://api.github.com/users/@string@/received_events",
+          "type": "@string@",
+          "site_admin": "@boolean@"
+        },
+        "html_url": "https://github.com/@string@/php-matcher",
+        "description": "@string@",
+        "fork": "@boolean@",
+        "url": "https://api.github.com/repos/@string@/php-matcher",
+        "forks_url": "https://api.github.com/repos/@string@/php-matcher/forks",
+        "keys_url": "https://api.github.com/repos/@string@/php-matcher/keys{/key_id}",
+        "collaborators_url": "https://api.github.com/repos/@string@/php-matcher/collaborators{/collaborator}",
+        "teams_url": "https://api.github.com/repos/@string@/php-matcher/teams",
+        "hooks_url": "https://api.github.com/repos/@string@/php-matcher/hooks",
+        "issue_events_url": "https://api.github.com/repos/@string@/php-matcher/issues/events{/number}",
+        "events_url": "https://api.github.com/repos/@string@/php-matcher/events",
+        "assignees_url": "https://api.github.com/repos/@string@/php-matcher/assignees{/user}",
+        "branches_url": "https://api.github.com/repos/@string@/php-matcher/branches{/branch}",
+        "tags_url": "https://api.github.com/repos/@string@/php-matcher/tags",
+        "blobs_url": "https://api.github.com/repos/@string@/php-matcher/git/blobs{/sha}",
+        "git_tags_url": "https://api.github.com/repos/@string@/php-matcher/git/tags{/sha}",
+        "git_refs_url": "https://api.github.com/repos/@string@/php-matcher/git/refs{/sha}",
+        "trees_url": "https://api.github.com/repos/@string@/php-matcher/git/trees{/sha}",
+        "statuses_url": "https://api.github.com/repos/@string@/php-matcher/statuses/{sha}",
+        "languages_url": "https://api.github.com/repos/@string@/php-matcher/languages",
+        "stargazers_url": "https://api.github.com/repos/@string@/php-matcher/stargazers",
+        "contributors_url": "https://api.github.com/repos/@string@/php-matcher/contributors",
+        "subscribers_url": "https://api.github.com/repos/@string@/php-matcher/subscribers",
+        "subscription_url": "https://api.github.com/repos/@string@/php-matcher/subscription",
+        "commits_url": "https://api.github.com/repos/@string@/php-matcher/commits{/sha}",
+        "git_commits_url": "https://api.github.com/repos/@string@/php-matcher/git/commits{/sha}",
+        "comments_url": "https://api.github.com/repos/@string@/php-matcher/comments{/number}",
+        "issue_comment_url": "https://api.github.com/repos/@string@/php-matcher/issues/comments{/number}",
+        "contents_url": "https://api.github.com/repos/@string@/php-matcher/contents/{+path}",
+        "compare_url": "https://api.github.com/repos/@string@/php-matcher/compare/{base}...{head}",
+        "merges_url": "https://api.github.com/repos/@string@/php-matcher/merges",
+        "archive_url": "https://api.github.com/repos/@string@/php-matcher/{archive_format}{/ref}",
+        "downloads_url": "https://api.github.com/repos/@string@/php-matcher/downloads",
+        "issues_url": "https://api.github.com/repos/@string@/php-matcher/issues{/number}",
+        "pulls_url": "https://api.github.com/repos/@string@/php-matcher/pulls{/number}",
+        "milestones_url": "https://api.github.com/repos/@string@/php-matcher/milestones{/number}",
+        "notifications_url": "https://api.github.com/repos/@string@/php-matcher/notifications{?since,all,participating}",
+        "labels_url": "https://api.github.com/repos/@string@/php-matcher/labels{/name}",
+        "releases_url": "https://api.github.com/repos/@string@/php-matcher/releases{/id}",
+        "deployments_url": "https://api.github.com/repos/@string@/php-matcher/deployments",
+        "created_at": "@datetime@",
+        "updated_at": "@datetime@",
+        "pushed_at": "@datetime@",
+        "git_url": "git://github.com/@string@/php-matcher.git",
+        "ssh_url": "git@github.com:@string@/php-matcher.git",
+        "clone_url": "https://github.com/@string@/php-matcher.git",
+        "svn_url": "https://github.com/@string@/php-matcher",
+        "homepage": "@string@",
+        "size": "@integer@",
+        "stargazers_count": "@integer@",
+        "watchers_count": "@integer@",
+        "language": "@string@||@null@",
+        "has_issues": "@boolean@",
+        "has_projects": "@boolean@",
+        "has_downloads": "@boolean@",
+        "has_wiki": "@boolean@",
+        "has_pages": "@boolean@",
+        "forks_count": "@integer@",
+        "mirror_url": "@string@.isUrl()||@null@",
+        "archived": "@boolean@",
+        "disabled": "@boolean@",
+        "open_issues_count": "@integer@",
+        "license": "@json@",
+        "forks": "@integer@",
+        "open_issues": "@integer@",
+        "watchers": "@integer@",
+        "default_branch": "@string@"
+      }
+    },
+    "base": {
+      "label": "@string@",
+      "ref": "@string@",
+      "sha": "@string@",
+      "user": {
+        "login": "coduo",
+        "id": "@integer@",
+        "node_id": "@string@",
+        "avatar_url": "@string@",
+        "gravatar_id": "@string@||@null@",
+        "url": "https://api.github.com/users/coduo",
+        "html_url": "https://github.com/coduo",
+        "followers_url": "https://api.github.com/users/coduo/followers",
+        "following_url": "https://api.github.com/users/coduo/following{/other_user}",
+        "gists_url": "https://api.github.com/users/coduo/gists{/gist_id}",
+        "starred_url": "https://api.github.com/users/coduo/starred{/owner}{/repo}",
+        "subscriptions_url": "https://api.github.com/users/coduo/subscriptions",
+        "organizations_url": "https://api.github.com/users/coduo/orgs",
+        "repos_url": "https://api.github.com/users/coduo/repos",
+        "events_url": "https://api.github.com/users/coduo/events{/privacy}",
+        "received_events_url": "https://api.github.com/users/coduo/received_events",
+        "type": "Organization",
+        "site_admin": "@boolean@"
+      },
+      "repo": {
+        "id": "@integer@",
+        "node_id": "@string@",
+        "name": "php-matcher",
+        "full_name": "coduo/php-matcher",
+        "private": "@boolean@",
+        "owner": {
+          "login": "coduo",
+          "id": "@integer@",
+          "node_id": "@string@",
+          "avatar_url": "@string@",
+          "gravatar_id": "@string@",
+          "url": "https://api.github.com/users/coduo",
+          "html_url": "https://github.com/coduo",
+          "followers_url": "https://api.github.com/users/coduo/followers",
+          "following_url": "https://api.github.com/users/coduo/following{/other_user}",
+          "gists_url": "https://api.github.com/users/coduo/gists{/gist_id}",
+          "starred_url": "https://api.github.com/users/coduo/starred{/owner}{/repo}",
+          "subscriptions_url": "https://api.github.com/users/coduo/subscriptions",
+          "organizations_url": "https://api.github.com/users/coduo/orgs",
+          "repos_url": "https://api.github.com/users/coduo/repos",
+          "events_url": "https://api.github.com/users/coduo/events{/privacy}",
+          "received_events_url": "https://api.github.com/users/coduo/received_events",
+          "type": "@string@",
+          "site_admin": "@boolean@"
+        },
+        "html_url": "https://github.com/coduo/php-matcher",
+        "description": "@string@",
+        "fork": "@boolean@",
+        "url": "https://api.github.com/repos/coduo/php-matcher",
+        "forks_url": "https://api.github.com/repos/coduo/php-matcher/forks",
+        "keys_url": "https://api.github.com/repos/coduo/php-matcher/keys{/key_id}",
+        "collaborators_url": "https://api.github.com/repos/coduo/php-matcher/collaborators{/collaborator}",
+        "teams_url": "https://api.github.com/repos/coduo/php-matcher/teams",
+        "hooks_url": "https://api.github.com/repos/coduo/php-matcher/hooks",
+        "issue_events_url": "https://api.github.com/repos/coduo/php-matcher/issues/events{/number}",
+        "events_url": "https://api.github.com/repos/coduo/php-matcher/events",
+        "assignees_url": "https://api.github.com/repos/coduo/php-matcher/assignees{/user}",
+        "branches_url": "https://api.github.com/repos/coduo/php-matcher/branches{/branch}",
+        "tags_url": "https://api.github.com/repos/coduo/php-matcher/tags",
+        "blobs_url": "https://api.github.com/repos/coduo/php-matcher/git/blobs{/sha}",
+        "git_tags_url": "https://api.github.com/repos/coduo/php-matcher/git/tags{/sha}",
+        "git_refs_url": "https://api.github.com/repos/coduo/php-matcher/git/refs{/sha}",
+        "trees_url": "https://api.github.com/repos/coduo/php-matcher/git/trees{/sha}",
+        "statuses_url": "https://api.github.com/repos/coduo/php-matcher/statuses/{sha}",
+        "languages_url": "https://api.github.com/repos/coduo/php-matcher/languages",
+        "stargazers_url": "https://api.github.com/repos/coduo/php-matcher/stargazers",
+        "contributors_url": "https://api.github.com/repos/coduo/php-matcher/contributors",
+        "subscribers_url": "https://api.github.com/repos/coduo/php-matcher/subscribers",
+        "subscription_url": "https://api.github.com/repos/coduo/php-matcher/subscription",
+        "commits_url": "https://api.github.com/repos/coduo/php-matcher/commits{/sha}",
+        "git_commits_url": "https://api.github.com/repos/coduo/php-matcher/git/commits{/sha}",
+        "comments_url": "https://api.github.com/repos/coduo/php-matcher/comments{/number}",
+        "issue_comment_url": "https://api.github.com/repos/coduo/php-matcher/issues/comments{/number}",
+        "contents_url": "https://api.github.com/repos/coduo/php-matcher/contents/{+path}",
+        "compare_url": "https://api.github.com/repos/coduo/php-matcher/compare/{base}...{head}",
+        "merges_url": "https://api.github.com/repos/coduo/php-matcher/merges",
+        "archive_url": "https://api.github.com/repos/coduo/php-matcher/{archive_format}{/ref}",
+        "downloads_url": "https://api.github.com/repos/coduo/php-matcher/downloads",
+        "issues_url": "https://api.github.com/repos/coduo/php-matcher/issues{/number}",
+        "pulls_url": "https://api.github.com/repos/coduo/php-matcher/pulls{/number}",
+        "milestones_url": "https://api.github.com/repos/coduo/php-matcher/milestones{/number}",
+        "notifications_url": "https://api.github.com/repos/coduo/php-matcher/notifications{?since,all,participating}",
+        "labels_url": "https://api.github.com/repos/coduo/php-matcher/labels{/name}",
+        "releases_url": "https://api.github.com/repos/coduo/php-matcher/releases{/id}",
+        "deployments_url": "https://api.github.com/repos/coduo/php-matcher/deployments",
+        "created_at": "@datetime@",
+        "updated_at": "@datetime@",
+        "pushed_at": "@datetime@",
+        "git_url": "@string@",
+        "ssh_url": "@string@",
+        "clone_url":  "@string@.isUrl()",
+        "svn_url":  "@string@.isUrl()",
+        "homepage":  "@string@||@null@",
+        "size": "@integer@",
+        "stargazers_count": "@integer@",
+        "watchers_count": "@integer@",
+        "language": "@string@",
+        "has_issues": "@boolean@",
+        "has_projects": "@boolean@",
+        "has_downloads": "@boolean@",
+        "has_wiki": "@boolean@",
+        "has_pages": "@boolean@",
+        "forks_count": "@integer@",
+        "mirror_url": "@string@||@null@",
+        "archived": "@boolean@",
+        "disabled": "@boolean@",
+        "open_issues_count": "@integer@",
+        "license": "@json@",
+        "forks": "@integer@",
+        "open_issues": "@integer@",
+        "watchers": "@integer@",
+        "default_branch": "@string@"
+      }
+    },
+    "_links": {
+      "self": {
+        "href": "https://api.github.com/repos/coduo/php-matcher/pulls/@integer@"
+      },
+      "html": {
+        "href": "https://github.com/coduo/php-matcher/pull/@integer@"
+      },
+      "issue": {
+        "href": "https://api.github.com/repos/coduo/php-matcher/issues/@integer@"
+      },
+      "comments": {
+        "href": "https://api.github.com/repos/coduo/php-matcher/issues/@integer@/comments"
+      },
+      "review_comments": {
+        "href": "https://api.github.com/repos/coduo/php-matcher/pulls/@integer@/comments"
+      },
+      "review_comment": {
+        "href": "https://api.github.com/repos/coduo/php-matcher/pulls/comments{/number}"
+      },
+      "commits": {
+        "href": "https://api.github.com/repos/coduo/php-matcher/pulls/@integer@/commits"
+      },
+      "statuses": {
+        "href": "https://api.github.com/repos/coduo/php-matcher/statuses/@string@"
+      }
+    },
+    "author_association": "@string@",
+    "active_lock_reason": null
+  },
+  "@array_previous_repeat@"
+]
+PATTERN
+        );
+
+        $this->assertSame(
+            'Value "norberttech" does not match pattern "@integer@" at path: "[0][user][login]"',
+            $matcher->error()
+        );
+    }
 }
diff --git a/tests/PHPUnit/PHPMatcherAssertionsTest.php b/tests/PHPUnit/PHPMatcherAssertionsTest.php
index 09360430..956bc12c 100644
--- a/tests/PHPUnit/PHPMatcherAssertionsTest.php
+++ b/tests/PHPUnit/PHPMatcherAssertionsTest.php
@@ -20,48 +20,114 @@ public function test_it_asserts_if_a_value_matches_the_pattern() : void
 
     public function test_it_throws_an_expectation_failed_exception_if_a_value_does_not_match_the_pattern() : void
     {
-        $this->expectException(AssertionFailedError::class);
-
-        /*
-         * Expected console output:
-         *
-         * Failed asserting that '{"foo":"bar"}' matches given pattern.
-         * Pattern: '{"foo": "@integer@"}'
-         * Error: Value {"foo":"bar"} does not match pattern {"foo":"@integer@"}
-         * Backtrace:
-         * #1 Matcher Coduo\PHPMatcher\Matcher matching value "{"foo":"bar"}" with "{"foo":"@integer@"}" pattern
-         * #2 Matcher Coduo\PHPMatcher\Matcher\ChainMatcher (all) matching value "{"foo":"bar"}" with "{"foo":"@integer@"}" pattern
-         * #3 Matcher Coduo\PHPMatcher\Matcher\ChainMatcher (scalars) can match pattern "{"foo":"@integer@"}"
-         * #...
-         * #66 Matcher Coduo\PHPMatcher\Matcher error: Value {"foo":"bar"} does not match pattern {"foo":"@integer@"}.
-         */
-        $this->expectExceptionMessageMatches("/Failed asserting that '{\"foo\":\"bar\"}' matches given pattern.\nPattern: '{\"foo\": \"@integer@\"}'\nError: Value {\"foo\":\"bar\"} does not match pattern {\"foo\":\"@integer@\"}\nBacktrace: \nEmpty/");
-
-        $this->assertMatchesPattern('{"foo": "@integer@"}', \json_encode(['foo' => 'bar']));
+        try {
+            $this->assertMatchesPattern('{"foo": "@integer@"}', \json_encode(['foo' => 'bar']));
+        } catch (\Exception $e) {
+            $this->assertSame(
+                <<<'ERROR'
+Failed asserting that '{"foo":"bar"}' matches given pattern.
+Pattern: '{"foo": "@integer@"}'
+Error: Value "bar" does not match pattern "@integer@" at path: "[foo]"
+Backtrace: 
+Empty.
+ERROR,
+                $e->getMessage()
+            );
+        }
     }
 
     public function test_it_throws_an_expectation_failed_exception_if_a_value_does_not_match_the_pattern_with_backtrace() : void
     {
-        $this->expectException(AssertionFailedError::class);
-
         $this->setBacktrace($backtrace = new InMemoryBacktrace());
 
-        /*
-         * Expected console output:
-         *
-         * Failed asserting that '{"foo":"bar"}' matches given pattern.
-         * Pattern: '{"foo": "@integer@"}'
-         * Error: Value {"foo":"bar"} does not match pattern {"foo":"@integer@"}
-         * Backtrace:
-         * #1 Matcher Coduo\PHPMatcher\Matcher matching value "{"foo":"bar"}" with "{"foo":"@integer@"}" pattern
-         * #2 Matcher Coduo\PHPMatcher\Matcher\ChainMatcher (all) matching value "{"foo":"bar"}" with "{"foo":"@integer@"}" pattern
-         * #3 Matcher Coduo\PHPMatcher\Matcher\ChainMatcher (scalars) can match pattern "{"foo":"@integer@"}"
-         * #...
-         * #66 Matcher Coduo\PHPMatcher\Matcher error: Value {"foo":"bar"} does not match pattern {"foo":"@integer@"}.
-         */
-        $this->expectExceptionMessageMatches("/Failed asserting that '{\"foo\":\"bar\"}' matches given pattern.\nPattern: '{\"foo\": \"@integer@\"}'\nError: Value {\"foo\":\"bar\"} does not match pattern {\"foo\":\"@integer@\"}\nBacktrace: \n/");
+        try {
+            $this->assertMatchesPattern('{"foo": "@integer@"}', \json_encode(['foo' => 'bar']));
+        } catch (\Exception $e) {
+            $this->assertSame(
+                <<<ERROR
+Failed asserting that '{"foo":"bar"}' matches given pattern.
+Pattern: '{"foo": "@integer@"}'
+Error: Value "bar" does not match pattern "@integer@" at path: "[foo]"
+Backtrace: 
+#1 Matcher Coduo\PHPMatcher\Matcher matching value "{"foo":"bar"}" with "{"foo":"@integer@"}" pattern
+#2 Matcher Coduo\PHPMatcher\Matcher\ChainMatcher (all) matching value "{"foo":"bar"}" with "{"foo":"@integer@"}" pattern
+#3 Matcher Coduo\PHPMatcher\Matcher\ChainMatcher (scalars) can match pattern "{"foo":"@integer@"}"
+#4 Matcher Coduo\PHPMatcher\Matcher\ChainMatcher (scalars) matching value "{"foo":"bar"}" with "{"foo":"@integer@"}" pattern
+#5 Matcher Coduo\PHPMatcher\Matcher\CallbackMatcher can't match pattern "{"foo":"@integer@"}"
+#6 Matcher Coduo\PHPMatcher\Matcher\ExpressionMatcher can't match pattern "{"foo":"@integer@"}"
+#7 Matcher Coduo\PHPMatcher\Matcher\NullMatcher can't match pattern "{"foo":"@integer@"}"
+#8 Matcher Coduo\PHPMatcher\Matcher\StringMatcher can't match pattern "{"foo":"@integer@"}"
+#9 Matcher Coduo\PHPMatcher\Matcher\IntegerMatcher can't match pattern "{"foo":"@integer@"}"
+#10 Matcher Coduo\PHPMatcher\Matcher\BooleanMatcher can't match pattern "{"foo":"@integer@"}"
+#11 Matcher Coduo\PHPMatcher\Matcher\DoubleMatcher can't match pattern "{"foo":"@integer@"}"
+#12 Matcher Coduo\PHPMatcher\Matcher\NumberMatcher can't match pattern "{"foo":"@integer@"}"
+#13 Matcher Coduo\PHPMatcher\Matcher\TimeMatcher can't match pattern "{"foo":"@integer@"}"
+#14 Matcher Coduo\PHPMatcher\Matcher\DateMatcher can't match pattern "{"foo":"@integer@"}"
+#15 Matcher Coduo\PHPMatcher\Matcher\DateTimeMatcher can't match pattern "{"foo":"@integer@"}"
+#16 Matcher Coduo\PHPMatcher\Matcher\TimeZoneMatcher can't match pattern "{"foo":"@integer@"}"
+#17 Matcher Coduo\PHPMatcher\Matcher\ScalarMatcher can match pattern "{"foo":"@integer@"}"
+#18 Matcher Coduo\PHPMatcher\Matcher\ScalarMatcher matching value "{"foo":"bar"}" with "{"foo":"@integer@"}" pattern
+#19 Matcher Coduo\PHPMatcher\Matcher\ScalarMatcher failed to match value "{"foo":"bar"}" with "{"foo":"@integer@"}" pattern
+#20 Matcher Coduo\PHPMatcher\Matcher\ScalarMatcher error: "{"foo":"bar"}" does not match "{"foo":"@integer@"}".
+#21 Matcher Coduo\PHPMatcher\Matcher\WildcardMatcher can't match pattern "{"foo":"@integer@"}"
+#22 Matcher Coduo\PHPMatcher\Matcher\UuidMatcher can't match pattern "{"foo":"@integer@"}"
+#23 Matcher Coduo\PHPMatcher\Matcher\JsonObjectMatcher can't match pattern "{"foo":"@integer@"}"
+#24 Matcher Coduo\PHPMatcher\Matcher\ChainMatcher (scalars) failed to match value "{"foo":"bar"}" with "{"foo":"@integer@"}" pattern
+#25 Matcher Coduo\PHPMatcher\Matcher\ChainMatcher (scalars) error: "{"foo":"bar"}" does not match "{"foo":"@integer@"}".
+#26 Matcher Coduo\PHPMatcher\Matcher\JsonMatcher can match pattern "{"foo":"@integer@"}"
+#27 Matcher Coduo\PHPMatcher\Matcher\JsonMatcher matching value "{"foo":"bar"}" with "{"foo":"@integer@"}" pattern
+#28 Matcher Coduo\PHPMatcher\Matcher\ArrayMatcher matching value "Array(1)" with "Array(1)" pattern
+#29 Matcher Coduo\PHPMatcher\Matcher\ChainMatcher (array) can match pattern "@integer@"
+#30 Matcher Coduo\PHPMatcher\Matcher\ChainMatcher (array) matching value "bar" with "@integer@" pattern
+#31 Matcher Coduo\PHPMatcher\Matcher\OrMatcher can't match pattern "@integer@"
+#32 Matcher Coduo\PHPMatcher\Matcher\ChainMatcher (scalars) can match pattern "@integer@"
+#33 Matcher Coduo\PHPMatcher\Matcher\ChainMatcher (scalars) matching value "bar" with "@integer@" pattern
+#34 Matcher Coduo\PHPMatcher\Matcher\CallbackMatcher can't match pattern "@integer@"
+#35 Matcher Coduo\PHPMatcher\Matcher\ExpressionMatcher can't match pattern "@integer@"
+#36 Matcher Coduo\PHPMatcher\Matcher\NullMatcher can't match pattern "@integer@"
+#37 Matcher Coduo\PHPMatcher\Matcher\StringMatcher can't match pattern "@integer@"
+#38 Matcher Coduo\PHPMatcher\Matcher\IntegerMatcher can match pattern "@integer@"
+#39 Matcher Coduo\PHPMatcher\Matcher\IntegerMatcher matching value "bar" with "@integer@" pattern
+#40 Matcher Coduo\PHPMatcher\Matcher\IntegerMatcher failed to match value "bar" with "@integer@" pattern
+#41 Matcher Coduo\PHPMatcher\Matcher\IntegerMatcher error: string "bar" is not a valid integer.
+#42 Matcher Coduo\PHPMatcher\Matcher\BooleanMatcher can't match pattern "@integer@"
+#43 Matcher Coduo\PHPMatcher\Matcher\DoubleMatcher can't match pattern "@integer@"
+#44 Matcher Coduo\PHPMatcher\Matcher\NumberMatcher can't match pattern "@integer@"
+#45 Matcher Coduo\PHPMatcher\Matcher\TimeMatcher can't match pattern "@integer@"
+#46 Matcher Coduo\PHPMatcher\Matcher\DateMatcher can't match pattern "@integer@"
+#47 Matcher Coduo\PHPMatcher\Matcher\DateTimeMatcher can't match pattern "@integer@"
+#48 Matcher Coduo\PHPMatcher\Matcher\TimeZoneMatcher can't match pattern "@integer@"
+#49 Matcher Coduo\PHPMatcher\Matcher\ScalarMatcher can match pattern "@integer@"
+#50 Matcher Coduo\PHPMatcher\Matcher\ScalarMatcher matching value "bar" with "@integer@" pattern
+#51 Matcher Coduo\PHPMatcher\Matcher\ScalarMatcher failed to match value "bar" with "@integer@" pattern
+#52 Matcher Coduo\PHPMatcher\Matcher\ScalarMatcher error: "bar" does not match "@integer@".
+#53 Matcher Coduo\PHPMatcher\Matcher\WildcardMatcher can't match pattern "@integer@"
+#54 Matcher Coduo\PHPMatcher\Matcher\UuidMatcher can't match pattern "@integer@"
+#55 Matcher Coduo\PHPMatcher\Matcher\JsonObjectMatcher can't match pattern "@integer@"
+#56 Matcher Coduo\PHPMatcher\Matcher\ChainMatcher (scalars) failed to match value "bar" with "@integer@" pattern
+#57 Matcher Coduo\PHPMatcher\Matcher\ChainMatcher (scalars) error: "bar" does not match "@integer@".
+#58 Matcher Coduo\PHPMatcher\Matcher\TextMatcher can match pattern "@integer@"
+#59 Matcher Coduo\PHPMatcher\Matcher\TextMatcher matching value "bar" with "@integer@" pattern
+#60 Matcher Coduo\PHPMatcher\Matcher\TextMatcher failed to match value "bar" with "@integer@" pattern
+#61 Matcher Coduo\PHPMatcher\Matcher\TextMatcher error: "bar" does not match "@integer@" pattern
+#62 Matcher Coduo\PHPMatcher\Matcher\ChainMatcher (array) failed to match value "bar" with "@integer@" pattern
+#63 Matcher Coduo\PHPMatcher\Matcher\ChainMatcher (array) error: "bar" does not match "@integer@" pattern
+#64 Matcher Coduo\PHPMatcher\Matcher\ArrayMatcher failed to match value "Array(1)" with "Array(1)" pattern
+#65 Matcher Coduo\PHPMatcher\Matcher\ArrayMatcher error: Value "bar" does not match pattern "@integer@" at path: "[foo]"
+#66 Matcher Coduo\PHPMatcher\Matcher\JsonMatcher failed to match value "{"foo":"bar"}" with "{"foo":"@integer@"}" pattern
+#67 Matcher Coduo\PHPMatcher\Matcher\JsonMatcher error: Value "bar" does not match pattern "@integer@" at path: "[foo]"
+#68 Matcher Coduo\PHPMatcher\Matcher\XmlMatcher can't match pattern "{"foo":"@integer@"}"
+#69 Matcher Coduo\PHPMatcher\Matcher\OrMatcher can't match pattern "{"foo":"@integer@"}"
+#70 Matcher Coduo\PHPMatcher\Matcher\TextMatcher can't match pattern "{"foo":"@integer@"}"
+#71 Matcher Coduo\PHPMatcher\Matcher\ChainMatcher (all) failed to match value "{"foo":"bar"}" with "{"foo":"@integer@"}" pattern
+#72 Matcher Coduo\PHPMatcher\Matcher\ChainMatcher (all) error: Value "bar" does not match pattern "@integer@" at path: "[foo]"
+#73 Matcher Coduo\PHPMatcher\Matcher failed to match value "{"foo":"bar"}" with "{"foo":"@integer@"}" pattern
+#74 Matcher Coduo\PHPMatcher\Matcher error: Value "bar" does not match pattern "@integer@" at path: "[foo]".
+ERROR,
+                $e->getMessage()
+            );
+        }
 
-        $this->assertMatchesPattern('{"foo": "@integer@"}', \json_encode(['foo' => 'bar']));
         $this->assertFalse($backtrace->isEmpty());
     }