chore: add test for yaml anchors

.gitignore

@@ -1,2 +1,3 @@
 test-operation.yaml
 .idea/
+*.iml

datamodel/low/v3/create_document_test.go

@@ -669,6 +669,52 @@ externalDocs:
 	assert.Len(t, err, 1)
 }
 
+func TestCreateDocument_YamlAnchor(t *testing.T) {
+	// load petstore into bytes
+	anchorDocument, _ := os.ReadFile("../../../test_specs/yaml-anchor.yaml")
+
+	// read in specification
+	info, _ := datamodel.ExtractSpecInfo(anchorDocument)
+
+	// build low-level document model
+	document, errors := CreateDocumentFromConfig(info, &datamodel.DocumentConfiguration{
+		AllowFileReferences:   false,
+		AllowRemoteReferences: false,
+	})
+
+	// if something went wrong, a slice of errors is returned
+	if len(errors) > 0 {
+		for i := range errors {
+			fmt.Printf("error: %s\n", errors[i].Error())
+		}
+		panic("cannot build document")
+	}
+
+	examplePath := document.Paths.Value.FindPath("/system/examples/{id}")
+	assert.NotNil(t, examplePath)
+
+	// Check tag reference
+	getOp := examplePath.Value.Get.Value
+	assert.NotNil(t, getOp)
+	postOp := examplePath.Value.Get.Value
+	assert.NotNil(t, postOp)
+	assert.Equal(t, 1, len(getOp.GetTags().Value))
+	assert.Equal(t, 1, len(postOp.GetTags().Value))
+	assert.Equal(t, getOp.GetTags().Value, postOp.GetTags().Value)
+
+	// Check paramter reference
+
+	getParams := examplePath.Value.Get.Value.Parameters.Value
+	assert.NotNil(t, getParams)
+	postParams := examplePath.Value.Post.Value.Parameters.Value
+	assert.NotNil(t, postParams)
+
+	assert.Equal(t, 1, len(getParams))
+	assert.Equal(t, 1, len(postParams))
+	assert.Equal(t, getParams, postParams)
+
+}
+
 func ExampleCreateDocument() {
 	// How to create a low-level OpenAPI 3 Document
 

test_specs/yaml-anchor.yaml

@@ -0,0 +1,85 @@
+openapi: 3.0.2
+info:
+  title: Example
+  version: 0.0.1
+components:
+  securitySchemes:
+    bearerAuth:
+      type: http
+      scheme: bearer
+      bearerFormat: JWT
+  schemas:
+    Error:
+      type: object
+      properties:
+        message:
+          type: string
+          description: Error message
+    Example:
+      type: object
+      required:
+        - id
+      properties:
+        id:
+          type: string
+          title: Name
+          pattern: ^[a-zA-Z0-9_\-]+$
+          description: Name of the Example.
+        description:
+          type: string
+          title: Description
+          description: Brief description of this Example. Optional.
+security:
+  - bearerAuth: []
+paths:
+  /system/examples/{id}:
+    get:
+      tags:
+        &a1
+        - Examples
+      summary: Get a list of Example objects
+      parameters:
+        &id
+        - name: id
+          in: path
+          required: true
+          schema:
+            type: string
+          description: Unique ID
+      description: Get a list of Example objects
+      responses:
+        &a2
+        "200":
+          description: a list of Example objects
+          content:
+            application/json:
+              schema:
+                type: object
+                properties:
+                  count:
+                    type: integer
+                    description: number of items present in the items array
+                  items:
+                    type: array
+                    items:
+                      $ref: "#/components/schemas/Example"
+        "401":
+          description: Unauthorized
+        "500":
+          description: Unexpected error
+          content:
+            application/json:
+              schema:
+                $ref: "#/components/schemas/Error"
+    post:
+      tags: *a1
+      parameters: *id
+      summary: Create Example
+      description: Create Example
+      requestBody:
+        description: New Example object
+        content:
+          application/json:
+            schema:
+              $ref: "#/components/schemas/Example"
+      responses: *a2