Fix: added support for securitySchemes in CleanupUnusedComponents

Author: drieks

src/main/kotlin/de/lancom/openapi/parser/entity/EntityDescriptor.kt

@@ -1,7 +1,9 @@
 package de.lancom.openapi.parser.entity
 
 import com.fasterxml.jackson.databind.JsonNode
+import de.lancom.openapi.common.types.ComponentType
 import de.lancom.openapi.common.util.ParsedReference
+import de.lancom.openapi.common.util.ValidParsedReference
 import de.lancom.openapi.parser.field.Field
 import de.lancom.openapi.parser.field.getFields
 import de.lancom.openapi.parser.ref.Instance
@@ -126,14 +128,29 @@ data class EntityDescriptor(
             .toSet()
     }
 
+    val securityReferences: Set<ParsedReference> by lazy {
+        subEntitiesRecursive
+            .asSequence()
+            .filterIsInstance<EntityOrReferenceEntity>()
+            .map(EntityOrReferenceEntity::entity)
+            .filterIsInstance<SecurityRequirement>()
+            .map(SecurityRequirement::_jsonNode)
+            .mapNotNull { it.orNull }
+            .flatMap { it.fieldNames().asSequence() }
+            .map { securityRequirement ->
+                ValidParsedReference(ComponentType.SecuritySchemes, securityRequirement)
+            }
+            .toSet()
+    }
+
     val parsedReferences: Set<ParsedReference> by lazy {
-        references.map(Reference<*>::parsedReference).toSet()
+        references.map(Reference<*>::parsedReference).toSet() + securityReferences
     }
 }
 
 private tailrec fun subEntitiesRecursive(sub: Set<EntityOrReference>): Set<EntityOrReference> {
     val entities: Set<EntityOrReference> = sub + sub.flatMap { entry ->
-        when(entry) {
+        when (entry) {
             is EntityOrReferenceEntity ->
                 setOf(entry) + entry.entity.entityDescriptor.subEntitiesRecursive
 

src/test/kotlin/de/lancom/openapi/parser/CleanupUnusedComponentsTest.kt

@@ -16,9 +16,13 @@ class CleanupUnusedComponentsTest {
             info:
               title: Test
               version: 1.0.0
+            security:
+                - basic: []
             paths:
               /test:
                 get:
+                  security:
+                  - bearer: [admin]
                   parameters:
                   - name: test
                     in: query
@@ -28,6 +32,18 @@ class CleanupUnusedComponentsTest {
                     200:
                       ${"$"}ref: '#/components/responses/ReferencedDirectly'
             components:
+              securitySchemes:
+                bearer:
+                  type: apiKey
+                  name: Authorization
+                  in: header
+                other:
+                  type: apiKey
+                  name: Unused
+                  scheme: basic
+                basic:
+                  type: http
+                  scheme: basic
               responses:
                 Unreferenced:
                   content:
@@ -55,9 +71,13 @@ class CleanupUnusedComponentsTest {
             info:
               title: Test
               version: 1.0.0
+            security:
+                - basic: []
             paths:
               /test:
                 get:
+                  security:
+                  - bearer: [admin]
                   parameters:
                   - name: test
                     in: query
@@ -67,6 +87,14 @@ class CleanupUnusedComponentsTest {
                     200:
                       ${"$"}ref: '#/components/responses/ReferencedDirectly'
             components:
+              securitySchemes:
+                bearer:
+                  type: apiKey
+                  name: Authorization
+                  in: header
+                basic:
+                  type: http
+                  scheme: basic
               responses:
                 ReferencedDirectly:
                   content: