Fix security scheme duplication issue

README.md

@@ -3,9 +3,9 @@
 The FeatherOpenAPI library makes it easy to define OpenAPI specifications using Swift in a type-safe way.
 
 [
-    ![Release: 1.0.0-beta.4](https://img.shields.io/badge/Release-1%2E0%2E0--beta%2E4-F05138)
+    ![Release: 1.0.0-beta.5](https://img.shields.io/badge/Release-1%2E0%2E0--beta%2E5-F05138)
 ](
-    https://github.com/feather-framework/feather-openapi/releases/tag/1.0.0-beta.4
+    https://github.com/feather-framework/feather-openapi/releases/tag/1.0.0-beta.5
 )
 
 ## Features
@@ -34,7 +34,7 @@ The FeatherOpenAPI library makes it easy to define OpenAPI specifications using
 Use Swift Package Manager; add the dependency to your `Package.swift` file:
 
 ```swift
-.package(url: "https://github.com/feather-framework/feather-openapi", exact: "1.0.0-beta.4"),
+.package(url: "https://github.com/feather-framework/feather-openapi", exact: "1.0.0-beta.5"),
 ```
 
 Then add `FeatherOpenAPI` to your target dependencies:

Sources/FeatherOpenAPI/Document/DocumentRepresentable.swift

@@ -56,7 +56,20 @@ extension DocumentRepresentable {
     public var referencedSecurityRequirements:
         [SecurityRequirementRepresentable]
     {
-        paths.values.map { $0.referencedSecurityRequirements }.flatMap { $0 }
+        var seen = Set<String>()
+        return paths.values
+            .map { $0.referencedSecurityRequirements }
+            .flatMap { $0 }
+            .filter { requirement in
+                let requirementID =
+                    requirement.security.openAPIIdentifier + "::"
+                    + requirement.requirements.sorted().joined(separator: ",")
+                if seen.contains(requirementID) {
+                    return false
+                }
+                seen.insert(requirementID)
+                return true
+            }
     }
 
     /// Builds an OpenAPI document from the representable values.

Tests/FeatherOpenAPITests/FeatherOpenAPITestSuite.swift

@@ -30,6 +30,20 @@ struct FeatherOpenAPITestSuite {
         #expect(tags.map(\.name) == ["Dogs"])
     }
 
+    @Test
+    func documentDeduplicatesSecurityRequirementsBySchemeAndRequirements() {
+        let document = SecurityRequirementDedupDocument(
+            info: SecurityRequirementDedupInfo(),
+            paths: SecurityRequirementDedupPaths().pathMap,
+            components: Components()
+        )
+
+        let openAPIDoc = document.openAPIDocument()
+        let security = openAPIDoc.security
+
+        #expect(security.count == 1)
+    }
+
     @Test
     func multipleVersions() throws {
 

Tests/FeatherOpenAPITests/TestObjects.swift

@@ -247,3 +247,81 @@ struct TagDedupCreateDogOperation: OperationRepresentable {
         ]
     }
 }
+
+// MARK: -
+
+struct SecurityRequirementDedupInfo: InfoRepresentable {
+    var title: String { "Security Requirement Dedup Test" }
+    var version: String { "1.0.0" }
+}
+
+struct SecurityRequirementDedupDocument: DocumentRepresentable {
+    var info: OpenAPIInfoRepresentable
+    var paths: PathMap
+    var components: OpenAPIComponentsRepresentable
+}
+
+struct SecurityRequirementDedupPaths: PathCollectionRepresentable {
+    var pathMap: PathMap {
+        [
+            "cats": SecurityRequirementDedupCatPathItem()
+        ]
+    }
+}
+
+struct SecurityRequirementDedupCatPathItem: PathItemRepresentable {
+    var get: OperationRepresentable? {
+        SecurityRequirementDedupListCatsOperation()
+    }
+    var post: OperationRepresentable? {
+        SecurityRequirementDedupCreateCatOperation()
+    }
+}
+
+struct SecurityRequirementDedupBearerTokenScheme: SecuritySchemeRepresentable {
+    var type: OpenAPI.SecurityScheme.SecurityType {
+        .http(
+            scheme: "bearer",
+            bearerFormat: "token"
+        )
+    }
+}
+
+struct SecurityRequirementDedupBearerTokenRequirement:
+    SecurityRequirementRepresentable
+{
+    var security: any SecuritySchemeRepresentable {
+        SecurityRequirementDedupBearerTokenScheme()
+    }
+}
+
+struct SecurityRequirementDedupCatSchema: StringSchemaRepresentable {
+    var example: String? = "Milo"
+}
+
+struct SecurityRequirementDedupCatResponse: JSONResponseRepresentable {
+    var description: String = "Cat response"
+    var schema: SecurityRequirementDedupCatSchema = .init()
+}
+
+struct SecurityRequirementDedupListCatsOperation: OperationRepresentable {
+    var security: [SecurityRequirementRepresentable]? {
+        [SecurityRequirementDedupBearerTokenRequirement()]
+    }
+    var responseMap: ResponseMap {
+        [
+            200: SecurityRequirementDedupCatResponse().reference()
+        ]
+    }
+}
+
+struct SecurityRequirementDedupCreateCatOperation: OperationRepresentable {
+    var security: [SecurityRequirementRepresentable]? {
+        [SecurityRequirementDedupBearerTokenRequirement()]
+    }
+    var responseMap: ResponseMap {
+        [
+            200: SecurityRequirementDedupCatResponse().reference()
+        ]
+    }
+}