Error when reference in items of array

core/src/test/java/org/openapitools/openapidiff/core/ExternalRefsTest.java

@@ -0,0 +1,14 @@
+package org.openapitools.openapidiff.core;
+
+import static org.openapitools.openapidiff.core.TestUtils.assertOpenApiAreEquals;
+
+import org.junit.jupiter.api.Test;
+
+public class ExternalRefsTest {
+  @Test
+  public void testDiffSame() {
+    assertOpenApiAreEquals(
+        "issue-464/source/specification/openapi.yaml",
+        "issue-464/destination/specification/openapi.yaml");
+  }
+}

core/src/test/resources/issue-464/destination/specification/common/examples/200-health.yaml

@@ -0,0 +1,4 @@
+status: up
+date_time: "2021-09-04T21:00:00Z"
+api_name: api
+api_version: 1.1.2

core/src/test/resources/issue-464/destination/specification/common/examples/400.yaml

@@ -0,0 +1,5 @@
+type: /problem/bad-request
+title: Bad Request
+status: 400
+detail: Invalid or malformed request syntax
+instance: /problem/bad-request#invalid-or-malformed-request-syntax

core/src/test/resources/issue-464/destination/specification/common/examples/404.yaml

@@ -0,0 +1,5 @@
+type: /problem/data-not-found
+title: Data not found
+status: 404
+detail: Requested data not found
+instance: /problem/data-not-found#requested-data-not-found

core/src/test/resources/issue-464/destination/specification/common/examples/500.yaml

@@ -0,0 +1,5 @@
+type: /problem/internal-server-error
+title: Internal Server Error
+status: 500
+detail: A technical exception occurred within the application
+instance: /problem/internal-server-error#a-technical-exception-occurred-within-the-application

core/src/test/resources/issue-464/destination/specification/common/examples/Product/200-GetProductResponse.yaml

@@ -0,0 +1,3 @@
+products:
+  - id: Prod-000001
+    status: Active

core/src/test/resources/issue-464/destination/specification/common/models/GetProductResponse.yaml

@@ -0,0 +1,9 @@
+type: object
+description: Model for response from call to GET products requiring an array of products to be returned.
+title: GetProductResponse
+properties:
+  Products:
+    type: array
+    items:
+      $ref: Product.yaml
+

core/src/test/resources/issue-464/destination/specification/common/models/Product.yaml

@@ -0,0 +1,15 @@
+type: object
+description: Product Data Model
+title: ''
+properties:
+  id:
+    type: string
+    example: Prod-00001
+    description: An unique Id of product record
+  status:
+    type: string
+    example: Active
+    enum:
+      - Active
+      - Expired
+    description: Defines the current status of the product

core/src/test/resources/issue-464/destination/specification/common/models/error.yaml

@@ -0,0 +1,34 @@
+type: object
+properties:
+  type:
+    type: string
+    format: uri-reference
+    description: |
+      A URI reference that uniquely identifies the problem type only in the context of the provided API. Opposed to the specification in RFC-7807, it is neither recommended to be dereferenceable and point to a human-readable documentation nor globally unique for the problem type.
+    default: about:blank
+    example: /problem/connection-error
+  title:
+    type: string
+    description: |
+      A short summary of the problem type. Written in English and readable for engineers, usually not suited for non technical stakeholders and not localized.
+    example: Service Unavailable
+  status:
+    type: integer
+    format: int32
+    description: |
+      The HTTP status code generated by the origin server for this occurrence of the problem.
+    minimum: 100
+    maximum: 600
+    exclusiveMaximum: true
+    example: 503
+  detail:
+    type: string
+    description: |
+      A human readable explanation specific to this occurrence of the problem that is helpful to locate the problem and give advice on how to proceed. Written in English and readable for engineers, usually not suited for non technical stakeholders and not localized.
+    example: Connection to database timed out
+  instance:
+    type: string
+    format: uri-reference
+    description: |
+      A URI reference that identifies the specific occurrence of the problem, e.g. by adding a fragment identifier or sub-path to the problem type. May be used to locate the root of this problem in the source code.
+    example: /problem/connection-error#token-info-read-timed-out

core/src/test/resources/issue-464/destination/specification/common/parameters/correlation-id.yaml

@@ -0,0 +1,6 @@
+name: correlation-id
+in: header
+schema:
+  type: string
+  example: 4cbc91f7-11d3-4019-a92b-64a54964b470
+description: A unique identifier attached to request and responses as header that allows reference to a particular transaction or chain of transactions. Based on UUID conforming to RFC 4122 - https://datatracker.ietf.org/doc/html/rfc4122

core/src/test/resources/issue-464/destination/specification/common/parameters/traceparent.yaml

@@ -0,0 +1,6 @@
+name: traceparent
+in: header
+schema:
+  type: string
+  example: 00-0af7651916cd43dd8448eb211c80319c-b7ad6b7169203331-01
+description: The traceparent HTTP header field identifies the incoming request in a tracing system. Conforming to OpenTelemetry (OTel) Trace Context

core/src/test/resources/issue-464/destination/specification/openapi.yaml

@@ -0,0 +1,110 @@
+openapi: 3.0.0
+info:
+  title: service/someapi/v1
+  version: 1.1.2
+  contact:
+    name: john.doe
+    email: [email protected]
+  description: Provide description of the API
+servers:
+  - url: 'https://api.acme.com/service/someapi/v1'
+paths:
+  /products:
+    get:
+      summary: Query Products
+      operationId: get-products
+      responses:
+        '200':
+          $ref: '#/components/responses/200-GetProductResponse'
+        '400':
+          $ref: '#/components/responses/400'
+        '404':
+          $ref: '#/components/responses/404'
+        '500':
+          $ref: '#/components/responses/500'
+      description: Get Product Records
+      parameters:
+        - $ref: ./common/parameters/correlation-id.yaml
+        - $ref: ./common/parameters/traceparent.yaml
+      tags:
+        - applicant
+components:
+  schemas:
+    Error:
+      $ref: common/models/error.yaml
+    GetProductResponse:
+      $ref: ./common/models/GetProductResponse.yaml
+  securitySchemes:
+    Oauth:
+      type: oauth2
+      description: Oauth Security Token Enforcement for internal production environment.
+      flows:
+        clientCredentials:
+          tokenUrl: 'https://api.acme.com/auth/app/v1/token'
+          scopes:
+            scope: READ
+  responses:
+    '400':
+      description: 400 Bad Request
+      content:
+        application/json:
+          schema:
+            $ref: '#/components/schemas/Error'
+          examples:
+            400 Bad Request:
+              value:
+                $ref: common/examples/400.yaml
+      headers:
+        correlation-id:
+          schema:
+            type: string
+          description: An ID passed by clients to correlate multiple API requests.
+    '404':
+      description: 404 Not Found
+      content:
+        application/json:
+          schema:
+            $ref: '#/components/schemas/Error'
+          examples:
+            404 Not Found:
+              value:
+                $ref: common/examples/404.yaml
+      headers:
+        correlation-id:
+          schema:
+            type: string
+          description: An ID passed by clients to correlate multiple API requests.
+    '500':
+      description: 500 Internal Server Error
+      content:
+        application/json:
+          schema:
+            $ref: '#/components/schemas/Error'
+          examples:
+            500 Internal Server Error:
+              value:
+                $ref: common/examples/500.yaml
+      headers:
+        correlation-id:
+          schema:
+            type: string
+          description: An ID passed by clients to correlate multiple API requests.
+    200-GetProductResponse:
+      description: Get Product Response
+      content:
+        application/json:
+          schema:
+            $ref: '#/components/schemas/GetProductResponse'
+          examples:
+            200 - Sample Data:
+              value:
+                $ref: common/examples/Product/200-GetProductResponse.yaml
+      headers:
+        correlation-id:
+          schema:
+            type: string
+          description: An ID passed by clients to correlate multiple API requests.
+security:
+  - Oauth: []
+tags:
+  - name: applicant

core/src/test/resources/issue-464/source/specification/common/examples/200-health.yaml

@@ -0,0 +1,4 @@
+status: up
+date_time: "2021-09-04T21:00:00Z"
+api_name: api
+api_version: 1.1.2

core/src/test/resources/issue-464/source/specification/common/examples/400.yaml

@@ -0,0 +1,5 @@
+type: /problem/bad-request
+title: Bad Request
+status: 400
+detail: Invalid or malformed request syntax
+instance: /problem/bad-request#invalid-or-malformed-request-syntax

core/src/test/resources/issue-464/source/specification/common/examples/404.yaml

@@ -0,0 +1,5 @@
+type: /problem/data-not-found
+title: Data not found
+status: 404
+detail: Requested data not found
+instance: /problem/data-not-found#requested-data-not-found

core/src/test/resources/issue-464/source/specification/common/examples/500.yaml

@@ -0,0 +1,5 @@
+type: /problem/internal-server-error
+title: Internal Server Error
+status: 500
+detail: A technical exception occurred within the application
+instance: /problem/internal-server-error#a-technical-exception-occurred-within-the-application

core/src/test/resources/issue-464/source/specification/common/examples/Product/200-GetProductResponse.yaml

@@ -0,0 +1,3 @@
+products:
+  - id: Prod-000001
+    status: Active

core/src/test/resources/issue-464/source/specification/common/models/GetProductResponse.yaml

@@ -0,0 +1,9 @@
+type: object
+description: Model for response from call to GET products requiring an array of products to be returned.
+title: GetProductResponse
+properties:
+  Products:
+    type: array
+    items:
+      $ref: Product.yaml
+

core/src/test/resources/issue-464/source/specification/common/models/Product.yaml

@@ -0,0 +1,15 @@
+type: object
+description: Product Data Model
+title: ''
+properties:
+  id:
+    type: string
+    example: Prod-00001
+    description: An unique Id of product record
+  status:
+    type: string
+    example: Active
+    enum:
+      - Active
+      - Expired
+    description: Defines the current status of the product

core/src/test/resources/issue-464/source/specification/common/models/error.yaml

@@ -0,0 +1,34 @@
+type: object
+properties:
+  type:
+    type: string
+    format: uri-reference
+    description: |
+      A URI reference that uniquely identifies the problem type only in the context of the provided API. Opposed to the specification in RFC-7807, it is neither recommended to be dereferenceable and point to a human-readable documentation nor globally unique for the problem type.
+    default: about:blank
+    example: /problem/connection-error
+  title:
+    type: string
+    description: |
+      A short summary of the problem type. Written in English and readable for engineers, usually not suited for non technical stakeholders and not localized.
+    example: Service Unavailable
+  status:
+    type: integer
+    format: int32
+    description: |
+      The HTTP status code generated by the origin server for this occurrence of the problem.
+    minimum: 100
+    maximum: 600
+    exclusiveMaximum: true
+    example: 503
+  detail:
+    type: string
+    description: |
+      A human readable explanation specific to this occurrence of the problem that is helpful to locate the problem and give advice on how to proceed. Written in English and readable for engineers, usually not suited for non technical stakeholders and not localized.
+    example: Connection to database timed out
+  instance:
+    type: string
+    format: uri-reference
+    description: |
+      A URI reference that identifies the specific occurrence of the problem, e.g. by adding a fragment identifier or sub-path to the problem type. May be used to locate the root of this problem in the source code.
+    example: /problem/connection-error#token-info-read-timed-out

core/src/test/resources/issue-464/source/specification/common/parameters/correlation-id.yaml

@@ -0,0 +1,6 @@
+name: correlation-id
+in: header
+schema:
+  type: string
+  example: 4cbc91f7-11d3-4019-a92b-64a54964b470
+description: A unique identifier attached to request and responses as header that allows reference to a particular transaction or chain of transactions. Based on UUID conforming to RFC 4122 - https://datatracker.ietf.org/doc/html/rfc4122

core/src/test/resources/issue-464/source/specification/common/parameters/traceparent.yaml

@@ -0,0 +1,6 @@
+name: traceparent
+in: header
+schema:
+  type: string
+  example: 00-0af7651916cd43dd8448eb211c80319c-b7ad6b7169203331-01
+description: The traceparent HTTP header field identifies the incoming request in a tracing system. Conforming to OpenTelemetry (OTel) Trace Context