Fix failing tests in CI

Author: SOHELAHMED7

README.md

@@ -1,5 +1,7 @@
 # php-openapi
 
+TODO docs related to issue 242, 238
+
 Read and write [OpenAPI](https://www.openapis.org/) 3.0.x YAML and JSON files and make the content accessible in PHP objects.
 
 It also provides a CLI tool for validating and converting OpenAPI 3.0.x Description files.

src/spec/SecurityRequirements.php

@@ -69,7 +69,6 @@ public function getSerializableData()
         $data = [];
 
         foreach ($this->_securityRequirements ?? [] as $outerIndex => $content) {
-
             if (is_string($outerIndex)) {
                 $data[] = [$outerIndex => $content->getSerializableData()];
             } elseif (is_numeric($outerIndex)) {

tests/spec/OpenApiTest.php

@@ -88,6 +88,21 @@ public function assertAllInstanceOf($className, $array)
         }
     }
 
+    public function assertFewInstanceOf($className, $array)
+    {
+        foreach($array as $k => $v) {
+            if (is_numeric($k) && $v === []) { # https://github.com/cebe/php-openapi/issues/238
+                continue;
+            }
+
+            if (is_array($v)) {
+                $this->{__FUNCTION__}($className, $v);
+            } else {
+                $this->assertInstanceOf($className, $v, "Asserting that item with key '$k' is instance of $className");
+            }
+        }
+    }
+
     public function specProvider()
     {
         // examples from https://github.com/OAI/OpenAPI-Specification/tree/master/examples/v3.0
@@ -222,7 +237,7 @@ public function testSpecs($openApiFile)
 
         // security
         $openapi->security !== null && $this->assertInstanceOf(\cebe\openapi\spec\SecurityRequirements::class, $openapi->security);
-        $openapi->security !== null && $this->assertAllInstanceOf(\cebe\openapi\spec\SecurityRequirement::class, $openapi->security->getRequirements());
+        $openapi->security !== null && $this->assertFewInstanceOf(\cebe\openapi\spec\SecurityRequirement::class, $openapi->security->getRequirements());
 
         // tags
         $this->assertAllInstanceOf(\cebe\openapi\spec\Tag::class, $openapi->tags);