refactor: add tests for old api (#622)

src/custom-operations/anonymous-naming.ts

@@ -28,7 +28,7 @@ function assignNameToComponentMessages(document: AsyncAPIDocumentInterface) {
 function assignNameToAnonymousMessages(document: AsyncAPIDocumentInterface) {
   let anonymousMessageCounter = 0;
   document.messages().forEach(message => {
-    if (message.name() === undefined && message.extensions().get(xParserMessageName) === undefined) {
+    if (message.name() === undefined && message.extensions().get(xParserMessageName)?.value() === undefined) {
       setExtension(xParserMessageName, `<anonymous-message-${++anonymousMessageCounter}>`, message);
     }
   });

src/iterator.ts

@@ -39,7 +39,7 @@ export enum SchemaTypesToIterate {
 
 export type TraverseOptions = {
   callback: TraverseCallback
-  schemaTypesToIterate: SchemaTypesToIterate[]
+  schemaTypesToIterate: Array<`${SchemaTypesToIterate}`>;
   seenSchemas: Set<any>
 }   
 
@@ -48,7 +48,7 @@ export type TraverseCallback = (schema: SchemaInterface, propOrIndex: string | n
 /**
  * Go through each channel and for each parameter, and message payload and headers recursively call the callback for each schema.
  */
-export function traverseAsyncApiDocument(doc: AsyncAPIDocumentInterface, callback: TraverseCallback, schemaTypesToIterate: SchemaTypesToIterate[] = []) {
+export function traverseAsyncApiDocument(doc: AsyncAPIDocumentInterface, callback: TraverseCallback, schemaTypesToIterate: Array<`${SchemaTypesToIterate}`> = []) {
   if (schemaTypesToIterate.length === 0) {
     schemaTypesToIterate = Object.values(SchemaTypesToIterate);
   }

src/models/v2/asyncapi.ts

@@ -88,7 +88,7 @@ export class AsyncAPIDocument extends BaseModel<v2.AsyncAPIObject> implements As
   }
 
   components(): ComponentsInterface {
-    return new Components(this._json.components || {});
+    return this.createModel(Components, this._json.components || {}, { pointer: '/components' });
   }
 
   extensions(): ExtensionsInterface {

src/old-api/asyncapi.ts

@@ -7,8 +7,8 @@ import { Message } from './message';
 import { Schema } from './schema';
 
 import { traverseAsyncApiDocument } from './iterator';
-import { xParserCircular } from '../constants';
-import { stringify, unstringify } from '../stringify';
+import { xParserCircular, xParserSpecStringified, xParserSpecParsed } from '../constants';
+import { refReplacer, traverseStringifiedData } from '../stringify';
 
 import type { v2 } from '../spec-types';
 import type { Operation } from './operation';
@@ -154,16 +154,41 @@ export class AsyncAPIDocument extends SpecificationExtensionsModel<v2.AsyncAPIOb
     return !!this._json[xParserCircular];
   }
 
-  traverseSchemas(callback: TraverseCallback, schemaTypesToIterate: SchemaTypesToIterate[]) {
+  traverseSchemas(callback: TraverseCallback, schemaTypesToIterate: Array<`${SchemaTypesToIterate}`> = []) {
     traverseAsyncApiDocument(this, callback, schemaTypesToIterate);
   }
 
-  static stringify(doc: AsyncAPIDocument, space: number): string | undefined {
-    return stringify(doc, { space });
+  static stringify(doc: AsyncAPIDocument, space?: number): string | undefined {
+    const rawDoc = doc.json();
+    const copiedDoc = { ...rawDoc };
+    copiedDoc[xParserSpecStringified] = true;
+    return JSON.stringify(copiedDoc, refReplacer(), space);
   }
 
-  static parse(doc: string): AsyncAPIDocument | undefined {
-    const possibleDocument = unstringify(doc);
-    return possibleDocument ? new AsyncAPIDocument(possibleDocument.json()) : undefined;
+  static parse(doc: string | Record<string, any>): AsyncAPIDocument | undefined {
+    let parsedJSON = doc;
+    if (typeof doc === 'string') {
+      parsedJSON = JSON.parse(doc);
+    } else if (typeof doc === 'object') {
+      // shall copy
+      parsedJSON = { ...(parsedJSON as Record<string, any>) };
+    }
+
+    // the `doc` must be an AsyncAPI parsed document
+    if (typeof parsedJSON !== 'object' || !parsedJSON[xParserSpecParsed]) {
+      throw new Error('Cannot parse invalid AsyncAPI document');
+    }
+    // if the `doc` is not stringified via the `stringify` static method then immediately return a model.
+    if (!parsedJSON[xParserSpecStringified]) {
+      return new AsyncAPIDocument(parsedJSON as v2.AsyncAPIObject);
+    }
+    // remove `x-parser-spec-stringified` extension
+    delete parsedJSON[String(xParserSpecStringified)];
+
+    const objToPath = new Map();
+    const pathToObj = new Map();
+    traverseStringifiedData(parsedJSON, undefined, parsedJSON, objToPath, pathToObj);
+
+    return new AsyncAPIDocument(parsedJSON as v2.AsyncAPIObject);
   }
-}
+}

src/old-api/iterator.ts

@@ -38,7 +38,7 @@ export enum SchemaTypesToIterate {
 
 export type TraverseOptions = {
   callback: TraverseCallback
-  schemaTypesToIterate: SchemaTypesToIterate[]
+  schemaTypesToIterate: Array<`${SchemaTypesToIterate}`>;
   seenSchemas: Set<any>
 }   
 
@@ -47,7 +47,7 @@ export type TraverseCallback = (schema: Schema, propOrIndex: string | number | n
 /**
  * Go through each channel and for each parameter, and message payload and headers recursively call the callback for each schema.
  */
-export function traverseAsyncApiDocument(doc: AsyncAPIDocument, callback: TraverseCallback, schemaTypesToIterate: SchemaTypesToIterate[] = []) {
+export function traverseAsyncApiDocument(doc: AsyncAPIDocument, callback: TraverseCallback, schemaTypesToIterate: Array<`${SchemaTypesToIterate}`> = []) {
   if (schemaTypesToIterate.length === 0) {
     schemaTypesToIterate = Object.values(SchemaTypesToIterate);
   }

src/old-api/mixins.ts

@@ -44,18 +44,20 @@ export function hasDescription(model: Base<{ description?: string }>) {
   return Boolean(model.json('description'));
 }
 
-export function description(model: Base<{ description?: string }>): string | undefined {
-  return model.json('description');
+export function description(model: Base<{ description?: string }>): string | null {
+  const description = model.json('description');
+  return typeof description === 'string' ? description : null;
 }
 
 export function hasExternalDocs(model: Base<{ externalDocs?: v2.ExternalDocumentationObject }>): boolean {
   return Object.keys(model.json('externalDocs') || {}).length > 0;
 }
 
-export function externalDocs(model: Base<{ externalDocs?: v2.ExternalDocumentationObject }>): ExternalDocs | undefined { 
-  if (hasExternalDocs(model)) {
+export function externalDocs(model: Base<{ externalDocs?: v2.ExternalDocumentationObject }>): ExternalDocs | null { 
+  if (typeof model.json('externalDocs') === 'object') {
     return new ExternalDocs(model.json('externalDocs') as v2.ExternalDocumentationObject);
   }
+  return null;
 }
 
 export const extensionsMixins = {

src/old-api/schema.ts

@@ -1,5 +1,6 @@
 import { SpecificationExtensionsModel, createMapOfType, getMapValue, description, hasDescription, hasExternalDocs, externalDocs } from './mixins';
 import { xParserCircular, xParserCircularProps } from '../constants';
+import { hasRef } from '../utils';
 
 import type { Base } from './base';
 import type { v2 } from '../spec-types';
@@ -117,15 +118,19 @@ export class Schema extends SpecificationExtensionsModel<v2.AsyncAPISchemaObject
   additionalProperties() {
     if (typeof this._json === 'boolean') return this._json;
     const additionalProperties = this.__get('additionalProperties');
+    if (typeof additionalProperties === 'boolean') return additionalProperties;
     if (additionalProperties === undefined) return true;
-    return new Schema(additionalProperties as any, { parent: this });
+    if (additionalProperties === null) return false;
+    return this.__createChild(additionalProperties);
   }
 
   additionalItems() {
     if (typeof this._json === 'boolean') return this._json;
     const additionalItems = this.__get('additionalItems');
+    if (typeof additionalItems === 'boolean') return additionalItems;
     if (additionalItems === undefined) return true;
-    return new Schema(additionalItems as any, { parent: this });
+    if (additionalItems === null) return false;
+    return this.__createChild(additionalItems);
   }
 
   patternProperties() {
@@ -236,7 +241,7 @@ export class Schema extends SpecificationExtensionsModel<v2.AsyncAPISchemaObject
   }
 
   isCircular() {
-    if (this.ext(xParserCircular)) {
+    if (hasRef(this._json) || this.ext(xParserCircular)) {
       return true;
     }
 

src/spec-types/v2.ts

@@ -56,22 +56,22 @@ export interface ServerVariableObject extends SpecificationExtensions {
 }
 
 export interface ServerBindingsObject extends SpecificationExtensions {
-  http: Binding;
-  ws: Binding;
-  kafka: Binding;
-  anypointmq: Binding;
-  amqp: Binding;
-  amqp1: Binding;
-  mqtt: Binding;
-  mqtt5: Binding;
-  nats: Binding;
-  jms: Binding;
-  sns: Binding;
-  sqs: Binding;
-  stomp: Binding;
-  redis: Binding;
-  mercure: Binding;
-  ibmmq: Binding;
+  http?: Binding;
+  ws?: Binding;
+  kafka?: Binding;
+  anypointmq?: Binding;
+  amqp?: Binding;
+  amqp1?: Binding;
+  mqtt?: Binding;
+  mqtt5?: Binding;
+  nats?: Binding;
+  jms?: Binding;
+  sns?: Binding;
+  sqs?: Binding;
+  stomp?: Binding;
+  redis?: Binding;
+  mercure?: Binding;
+  ibmmq?: Binding;
 }
 
 export type ChannelsObject = Record<string, ChannelObject>;
@@ -86,22 +86,22 @@ export interface ChannelObject extends SpecificationExtensions {
 }
 
 export interface ChannelBindingsObject extends SpecificationExtensions {
-  http: Binding;
-  ws: Binding;
-  kafka: Binding;
-  anypointmq: Binding;
-  amqp: Binding;
-  amqp1: Binding;
-  mqtt: Binding;
-  mqtt5: Binding;
-  nats: Binding;
-  jms: Binding;
-  sns: Binding;
-  sqs: Binding;
-  stomp: Binding;
-  redis: Binding;
-  mercure: Binding;
-  ibmmq: Binding;
+  http?: Binding;
+  ws?: Binding;
+  kafka?: Binding;
+  anypointmq?: Binding;
+  amqp?: Binding;
+  amqp1?: Binding;
+  mqtt?: Binding;
+  mqtt5?: Binding;
+  nats?: Binding;
+  jms?: Binding;
+  sns?: Binding;
+  sqs?: Binding;
+  stomp?: Binding;
+  redis?: Binding;
+  mercure?: Binding;
+  ibmmq?: Binding;
 }
 
 export interface OperationObject extends OperationTraitObject, SpecificationExtensions {
@@ -120,22 +120,22 @@ export interface OperationTraitObject extends SpecificationExtensions {
 }
 
 export interface OperationBindingsObject extends SpecificationExtensions {
-  http: Binding;
-  ws: Binding;
-  kafka: Binding;
-  anypointmq: Binding;
-  amqp: Binding;
-  amqp1: Binding;
-  mqtt: Binding;
-  mqtt5: Binding;
-  nats: Binding;
-  jms: Binding;
-  sns: Binding;
-  sqs: Binding;
-  stomp: Binding;
-  redis: Binding;
-  mercure: Binding;
-  ibmmq: Binding;
+  http?: Binding;
+  ws?: Binding;
+  kafka?: Binding;
+  anypointmq?: Binding;
+  amqp?: Binding;
+  amqp1?: Binding;
+  mqtt?: Binding;
+  mqtt5?: Binding;
+  nats?: Binding;
+  jms?: Binding;
+  sns?: Binding;
+  sqs?: Binding;
+  stomp?: Binding;
+  redis?: Binding;
+  mercure?: Binding;
+  ibmmq?: Binding;
 }
 
 export type ParametersObject = Record<string, ParameterObject | ReferenceObject>;
@@ -175,22 +175,22 @@ export interface MessageExampleObject extends SpecificationExtensions {
 }
 
 export interface MessageBindingsObject extends SpecificationExtensions {
-  http: Binding;
-  ws: Binding;
-  kafka: Binding;
-  anypointmq: Binding;
-  amqp: Binding;
-  amqp1: Binding;
-  mqtt: Binding;
-  mqtt5: Binding;
-  nats: Binding;
-  jms: Binding;
-  sns: Binding;
-  sqs: Binding;
-  stomp: Binding;
-  redis: Binding;
-  mercure: Binding;
-  ibmmq: Binding;
+  http?: Binding;
+  ws?: Binding;
+  kafka?: Binding;
+  anypointmq?: Binding;
+  amqp?: Binding;
+  amqp1?: Binding;
+  mqtt?: Binding;
+  mqtt5?: Binding;
+  nats?: Binding;
+  jms?: Binding;
+  sns?: Binding;
+  sqs?: Binding;
+  stomp?: Binding;
+  redis?: Binding;
+  mercure?: Binding;
+  ibmmq?: Binding;
 }
 
 export type TagsObject = Array<TagObject>;

src/stringify.ts

@@ -57,7 +57,7 @@ export function copy(data: Record<string, any>) {
   return unstringifiedData;
 }
 
-function refReplacer() {
+export function refReplacer() {
   const modelPaths = new Map();
   const paths = new Map();
   let init: unknown = null;
@@ -90,7 +90,7 @@ function refReplacer() {
 }
 
 const refRoot = '$ref:$';
-function traverseStringifiedData(parent: any, field: string | undefined, root: any, objToPath: Map<unknown, unknown>, pathToObj: Map<unknown, unknown>) {
+export function traverseStringifiedData(parent: any, field: string | undefined, root: any, objToPath: Map<unknown, unknown>, pathToObj: Map<unknown, unknown>) {
   let objOrPath = parent;
   let path = refRoot;