Fix bug and failing test

Author: SOHELAHMED7

src/SpecBaseObject.php

@@ -280,7 +280,7 @@ public function getErrors(): array
         if (($pos = $this->getDocumentPosition()) !== null) {
             $errors = [
                 array_map(function ($e) use ($pos) {
-                    return "[{$pos->getPointer()}] $e";
+                    return $pos->getPointer() ? "[{$pos->getPointer()}] $e" : $e;
                 }, $this->_errors)
             ];
         } else {

tests/spec/PathTest.php

@@ -141,8 +141,11 @@ public function testPathItemReference()
         $openapi = Reader::readFromYamlFile($file, \cebe\openapi\spec\OpenApi::class, false);
 
         $result = $openapi->validate();
-        $this->assertEquals([], $openapi->getErrors(), print_r($openapi->getErrors(), true));
-        $this->assertTrue($result);
+        $this->assertEquals([
+            'Invalid field: "X-EXTENSION"',
+            'Invalid field: "xyz-extension"'
+        ], $openapi->getErrors(), print_r($openapi->getErrors(), true));
+        $this->assertFalse($result);
 
         $this->assertInstanceOf(Paths::class, $openapi->paths);
         $this->assertInstanceOf(PathItem::class, $fooPath = $openapi->paths['/foo']);
@@ -173,12 +176,16 @@ public function testPathItemReference()
         $this->assertInstanceOf(Response::class, $path200);
         $this->assertEquals('A bar', $path200->description);
 
+        unset($openapi);
         /** @var $openapi OpenApi */
         $openapi = Reader::readFromYamlFile($file, \cebe\openapi\spec\OpenApi::class, true);
 
         $result = $openapi->validate();
-        $this->assertEquals([], $openapi->getErrors(), print_r($openapi->getErrors(), true));
-        $this->assertTrue($result);
+        $this->assertEquals([
+            'Invalid field: "X-EXTENSION"',
+            'Invalid field: "xyz-extension"'
+        ], $openapi->getErrors());
+        $this->assertFalse($result);
 
         $this->assertInstanceOf(Paths::class, $openapi->paths);
         $this->assertInstanceOf(PathItem::class, $fooPath = $openapi->paths['/foo']);